2023

• Ausen, Kjersti; Pleym, Hilde; Spigset, Olav. (2023) Lokal bruk av traneksamsyre som blødningsprofylakse. Tidsskrift for Den norske legeforening. volum 143 (1).
  Academic article
• Ruths, Sabine; Bakken, Marit Stordal; Ranhoff, Anette Hylen; Granås, Anne Gerd; Spigset, Olav. (2023) Støtte til fallforebygging hos eldre. Tidsskrift for Den norske legeforening. volum 143 (1).
  Academic article
• Skråstad, Ragnhild Bergene; Aamo, Trond Oskar; Andreassen, Trine Naalsund; Havnen, Hilde; Hveem, Kristian; Krokstad, Steinar; Salvesen, Øyvind Olav; Spigset, Olav. (2023) Quantifying Alcohol Consumption in the General Population by Analysing Phosphatidylethanol Concentrations in Whole Blood: Results from 24,574 Subjects Included in the HUNT4 Study. Alcohol and Alcoholism. volum 58 (3).
  Academic article

2022

• Aakerøy, Rachel; Stokes, Charlotte Lorentze; Tomic, Marija; Hegstad, Solfrid; Kristoffersen, Ann-Helen; Ellekjær, Hanne; Schjøtt, Jan Didrik; Spigset, Olav; Helland, Arne. (2022) Serum or Plasma for Quantification of Direct Oral Anticoagulants?. Therapeutic Drug Monitoring. volum 44 (4).
  Academic article
• Ausen, Kjersti; Eikebrokk, Tuva Alseth; Vassmyr, Brita; Gravastrand, Caroline Saugestad; Spigset, Olav; Pukstad, Brita Solveig. (2022) Letter to the Editor Regarding "Cytotoxicity and Effect of Topical Application of Tranexamic Acid on Human Fibroblast in Spine Surgery". World Neurosurgery.
  Letter to the editor
• Ausen, Kjersti; Fossmark, Reidar; Spigset, Olav; Pleym, Hilde. (2022) Safety and Efficacy of Local Tranexamic Acid for the Prevention of Surgical Bleeding in Soft-Tissue Surgery: A Review of the Literature and Recommendations for Plastic Surgery. Plastic and Reconstructive Surgery. volum 149 (3).
  Academic article
• Bakken, Marit Stordal; Ranhoff, Anette Hylen; Granås, Anne Gerd; Langørgen, Aina G.; Spigset, Olav; Ruths, Sabine. (2022) STOPPFrail-2. Screeningverktøy for potensielt uhensiktsmessig legemiddelbruk til skrøpelige eldre med begrenset gjenstående levetid. Norsk Legemiddelhåndbok.
  Article
• Brodtkorb, Eylert; Myren-Svelstad, Sverre; Arntsen, Vibeke; Bjørnvold, Marit; Spigset, Olav; Nakken, Karl Otto. (2022) Nikotin som presisjonsbehandling mot epilepsi. Tidsskrift for Den norske legeforening. volum 142 (7).
  Feature article
• Finanger, Trine; Vaaler, Arne; Spigset, Olav; Aamo, Trond Oskar; Andreassen, Trine Naalsund; Gråwe, Rolf W.; Skråstad, Ragnhild Bergene. (2022) Identification of unhealthy alcohol use by self-report and phosphatidylethanol (PEth) blood concentrations in an acute psychiatric department. BMC Psychiatry. volum 22:286.
  Academic article
• Galbally, Megan; Watson, Stuart J.; Spigset, Olav; Lappas, Martha; Walker, Susan; Lewis, Andrew J.. (2022) Examining differences in placental efficiency following exposure to antidepressants and current depression: Findings from an Australian pregnancy cohort study. Placenta. volum 119.
  Academic article
• Galbally, Megan; Watson, Stuart J; Spigset, Olav. (2022) Depression and antidepressant treatment in the development of hypertensive disorders of pregnancy: Results from a prospective cohort study. Australian and New Zealand journal of psychiatry (Print).
  Academic article
• Gastaldon, Chiara; Arzenton, Elena; Raschi, Emanuel; Spigset, Olav; Papola, Davide; Ostuzzi, Giovanni; Moretti, Ugo; Trifirò, Gianluca; Barbui, Corrado; Schoretsanitis, Georgios. (2022) Neonatal withdrawal syndrome following in utero exposure to antidepressants: a disproportionality analysis of VigiBase, the WHO spontaneous reporting database. Psychological Medicine.
  Academic article
• Gedde-Dahl, Ane; Spigset, Olav; Molden, Espen. (2022) Co-prescription of metoprolol and CYP2D6-inhibiting antidepressants before and after implementation of an optimized drug interaction database in Norway. European Journal of Clinical Pharmacology. volum 78 (10).
  Academic article
• Granås, Anne Gerd; Spigset, Olav; Ruths, Sabine; Ranhoff, Anette Hylen; Bakken, Marit Stordal. (2022) Avmedisinering i siste leveår – praktisk beslutningsstøtte. Tidsskrift for Den norske legeforening.
  Article
• Granås, Anne Gerd; Spigset, Olav; Ruths, Sabine; Ranhoff, Anette Hylen; Bakken, Marit Stordal. (2022) Avmedisinering i siste leveår – praktisk beslutningsstøtte. Tidsskrift for Den norske legeforening. volum 142 (2).
  Article
• Gynnild, Mari Nordbø; Hageman, Steven H. J.; Spigset, Olav; Lydersen, Stian; Saltvedt, Ingvild; Dorresteijn, Jannick AN; Visseren, Frank L.J.; Ellekjær, Hanne. (2022) Use of lipid-lowering therapy after ischaemic stroke and expected benefit from intensification of treatment. Open heart. volum 9 (1).
  Academic article
• Melby, Katrine; Spigset, Olav; Gråwe, Rolf W.; Aamo, Trond Oskar; Quintana, Daniel. (2022) The effect of intranasal oxytocin on processing emotional stimuli during alcohol withdrawal: A randomized placebo-controlled double-blind clinical trial. Hormones and Behavior. volum 146.
  Academic article
• Schmidt, Chiara Theresa; Deligiannidis, Kristina M.; Kittel-Schneider, Sarah; Frodl, Thomas; Spigset, Olav; Paulzen, Michael; Schoretsanitis, Georgios. (2022) Transfer of anticonvulsants and lithium into amniotic fluid, umbilical cord blood & breast milk: A systematic review & combined analysis. Progress in Neuro-psychopharmacology and Biological Psychiatry. volum 124.
  Academic literature review
• Spigset, Olav. (2022) Essensiell kunnskap om «hverdagsfarmakologi». Tidsskrift for Den norske legeforening. volum 142 (4).
  Academic article

2021

• Amundsen, Siri; Nordeng, Hedvig Marie Egeland; Fuskevåg, Ole Martin; Nordmo, Elisabet N; Sager, Georg; Spigset, Olav. (2021) Transfer of triptans into human breast milk and estimation of infant drug exposure through breastfeeding. Basic & Clinical Pharmacology & Toxicology. volum 128 (6).
  Academic article
• Andersen, Sarah Hjorth; Lupattelli, Angela; Handal, Marte; Spigset, Olav; Ystrøm, Eivind; Nordeng, Hedvig Marie Egeland. (2021) Prenatal Exposure to Non-Steroidal Anti-Inflammatory Drugs and Risk of Attention-Deficit/Hyperactivity Disorder - a Follow-Up Study in the Norwegian Mother, Father and Child Cohort. Pharmacoepidemiology and Drug Safety. volum 30 (10).
  Academic article
• Brodtkorb, Eylert; Myren-Svelstad, Sverre; Knudsen-Baas, Kristin M.; Nakken, Karl Otto; Spigset, Olav. (2021) Precision treatment with nicotine in autosomal dominant sleep-related hypermotor epilepsy (ADSHE): An observational study of clinical outcome and serum cotinine levels in 17 patients. Epilepsy Research. volum 178.
  Academic article
• Eap, C.B.; Gründer, Gerhard; Baumann, P.; Ansermot, N.; Conca, A.; Corruble, E.; Crettol, S.; Dahl, Marja-Liisa; de Leon, Leon; Greiner, C.; Howes, Oliver D.; Kim, E.; Lanzenberger, R.; Meyer, J.H.; Moessner, R.; Mulder, H.; Müller, Daniel J.; Reis, Margareta; Riederer, P.. (2021) Tools for optimising pharmacotherapy in psychiatry (therapeutic drug monitoring, molecular brain imaging and pharmacogenetic tests): focus on antidepressants. World Journal of Biological Psychiatry. volum 22 (8).
  Academic literature review
• Espnes, Ketil Arne; Hønnås, Arne; Løvvik, Tone Shetelig; Gundersen, Per Ole Mobråten; Naavik, Audhild; Skogvoll, Eirik; Westin, Andreas; Spigset, Olav; Vanky, Eszter. (2021) Metformin serum concentrations during pregnancy and postpartum - a clinical study in patients with polycystic ovary syndrome. Basic & Clinical Pharmacology & Toxicology.
  Academic article
• Finanger, Trine; Spigset, Olav; Gråwe, Rolf W.; Andreassen, Trine Naalsund; Løkken, Trine Nordgård; Aamo, Trond Oskar; Bratt, Guro Emilie; Tømmervik, Kristin; Langaas, Vibeke Stenhaug; Finserås, Kristin; Salvesen, Kjell Å; Skråstad, Ragnhild Bergene. (2021) Phosphatidylethanol as blood biomarker of alcohol consumption in early pregnancy: An observational study in 4067 pregnant women. Alcoholism: Clinical and Experimental Research. volum 45 (4).
  Academic article
• Fjukstad, Katrine Kveli; Athanasiu, Lavinia; Bahrami, Shahram; O`Connell, Kevin; van der Meer, Dennis; Bettella, Francesco; Dieset, Ingrid; Steen, Nils Eiel; Djurovic, Srdjan; Spigset, Olav; Andreassen, Ole Andreas. (2021) Genetic variants associated with cardiometabolic abnormalities during treatment with selective serotonin reuptake inhibitors: a genome-wide association study. The Pharmacogenomics Journal. volum 21.
  Academic article
• Gynnild, Mari Nordbø; Hageman, Steven HJ; Dorresteijn, Jannick AN; Spigset, Olav; Lydersen, Stian; Wethal, Torgeir; Saltvedt, Ingvild; Visseren, Frank LJ; Ellekjær, Hanne. (2021) Risk Stratification in Patients with Ischemic Stroke and Residual Cardiovascular Risk with Current Secondary Prevention. Clinical Epidemiology. volum 13.
  Academic article
• Hegstad, Solfrid; Fuskevåg, Ole Martin; Amundsen, Siri; Gule, Marina; Spigset, Olav; Helland, Arne. (2021) Stability of Direct Oral Anticoagulants and Antiarrhythmic Drugs in Serum Collected in Standard (Nongel) Serum Tubes Versus Tubes Containing Gel Separators. Therapeutic Drug Monitoring. volum 44 (2).
  Academic article
• Husebye, Elisabeth Synnøve Nilsen; Riedel, Bettina Maria Ingeborg; Monsen, Anne-Lise Bjørke; Spigset, Olav; Daltveit, Anne Kjersti Nesje; Gilhus, Nils Erik; Bjørk, Marte-Helene. (2021) Vitamin B status and association with antiseizure medication in pregnant women with epilepsy. Epilepsia. volum 62 (12).
  Academic article
• Lauvsnes, Anders Dahlen Forsmo; Langaas, Mette; Olsen, Alexander; Vassileva, Jasmin; Spigset, Olav; Gråwe, Rolf Wilhelm. (2021) Adhd and mental health symptoms in the identification of young adults with increased risk of alcohol dependency in the general population—the hunt4 population study. International Journal of Environmental Research and Public Health. volum 18 (21).
  Academic article
• Ngo, Elin Thuy Phuong; Spigset, Olav; Lupattelli, Angela; Panchaud, Alice; Annaert, Pieter; Allegaert, Karel; Nordeng, Hedvig Marie Egeland. (2021) Antihistamine use during breastfeeding with focus on breast milk transfer and safety in humans: A systematic literature review. Basic & Clinical Pharmacology & Toxicology.
  Academic article
• Skeie, Hanne Robbestad; Nordlund, Ragnhild; Slørdal, Lars; Spigset, Olav. (2021) Legemiddelavvik hos pasienter innlagt i sykehus. Tidsskrift for Den norske legeforening. volum 141.
  Academic article
• Slørdal, Lars; Spigset, Olav. (2021) Mer om steroider. Tidsskrift for Den norske legeforening. volum 141 (9).
  Reader opinion piece

2020

• Anstensrud, Anne Kristine; Molden, Espen; Haug, Hans Jørgen; Qazi, Rehman Ul-Haq; Muriq, Hysen; Fosshaug, Linn Elisabeth Lillerud; Spigset, Olav; Øie, Erik. (2020) Impact of genotype-predicted CYP2D6 metabolism on clinical effects and tolerability of metoprolol in patients after myocardial infarction – a prospective observational study. European Journal of Clinical Pharmacology. volum 76.
  Academic article
• Galbally, Megan; Watson, Stuart J.; Keelan, Jeffrey A.; Spigset, Olav; Lewis, Andrew. (2020) The relationship between oxytocin blood concentrations and antidepressant treatment over pregnancy and the postpartum. Progress in Neuro-psychopharmacology and Biological Psychiatry. volum 109.
  Academic article
• Galbally, Megan; Watson, Stuart J.; Spigset, Olav; Boyce, Philip; Oberlander, Tim F.; Lewis, Andrew J.. (2020) Antidepressant exposure in pregnancy and child sensorimotor and visuospatial development. Journal of Psychiatric Research.
  Academic article
• Gundersen, Per Ole Mobråten; Broecker, Sebastian; Slørdal, Lars; Spigset, Olav; Josefsson, Martin. (2020) Retrospective screening of synthetic cannabinoids, synthetic opioids and designer benzodiazepines in data files from forensic post mortem samples analyzed by UHLC-QTOF-MS from 2014 to 2018. Forensic Science International. volum 311.
  Academic article
• Gynnild, Mari Nordbø; Aakerøy, Rachel; Spigset, Olav; Askim, Torunn; Beyer, Mona Kristiansen; Ihle-Hansen, Hege; Munthe-Kaas, Ragnhild; Knapskog, Anne Brita; Lydersen, Stian; Næss, Halvor; Røsstad, Tove Garåsen; Seljeseth, Yngve Müller; Thingstad, Pernille; Saltvedt, Ingvild; Ellekjær, Hanne. (2020) Vascular risk factor control and adherence to secondary preventive medication after ischaemic stroke. Journal of Internal Medicine.
  Academic article
• Havnen, Hilde; Hansen, Miriam; Spigset, Olav; Hegstad, Solfrid. (2020) Enantiomeric separation and quantification of R/S‐amphetamine in serum using semi‐automated liquid‐liquid extraction and ultra‐high performance supercritical fluid chromatography‐tandem mass spectrometry. Drug Testing and Analysis.
  Academic article
• Isaksen, Ingrid; Skogstad, Marte; Spigset, Olav; Slørdal, Lars. (2020) Analgetisk effekt av paracetamol ved vanlige kroniske eller residiverende smertetilstander. Norsk Farmaceutisk Tidsskrift. volum 128 (6).
  Academic literature review
• Krabseth, Hege-Merete; Strømmen, Magnus; Spigset, Olav; Helland, Arne. (2020) Effect of sleeve gastrectomy on buprenorphine pharmacokinetics: A planned case observation. Clinical Therapeutics. volum 42 (11).
  Academic article
• Lupattelli, Angela; Spigset, Olav; Nordeng, Hedvig Marie Egeland. (2020) Correction to: Learning the effects of psychotropic drugs during pregnancy using real‑world safety data: a paradigm shift toward modern pharmacovigilance (International Journal of Clinical Pharmacy, (2018), 40, 4, (783-786), 10.1007/s11096-018-0672-2). International Journal of Clinical Pharmacy.
  Errata
• Melby, Katrine; Fasmer, Ole Bernt; Henriksen, Tone Elise Gjøtterud; Gråwe, Rolf W.; Aamo, Trond Oskar; Spigset, Olav. (2020) Actigraphy assessment of motor activity and sleep in patients with alcohol withdrawal syndrome and the effects of intranasal oxytocin. PLOS ONE. volum 13:e0228700 (15).
  Academic article
• Melby, Katrine; Gråwe, Rolf W.; Aamo, Trond Oskar; Skovlund, Eva; Spigset, Olav. (2020) Efficacy of self-administered intranasal oxytocin on alcohol use and craving after detoxification in patients with alcohol dependence. A double-blind placebo-controlled trial. Alcohol and Alcoholism. volum 56 (5).
  Academic article
• Sandvik, Pål; Lydersen, Stian; Hegstad, Solfrid; Spigset, Olav. (2020) Association between low body weight and cytochrome P-450 enzyme activity in patients with anorexia nervosa. Pharmacology Research & Perspectives. volum 8.
  Academic article
• Schoretsanitis, Georgios; Spigset, Olav; Stingl, Julia C.; Deligiannidis, Kristina M.; Paulzen, Michael; Westin, Andreas. (2020) The impact of pregnancy on the pharmacokinetics of antidepressants: a systematic critical review and meta-analysis. Expert Opinion on Drug Metabolism & Toxicology. volum 16 (5).
  Academic literature review
• Schoretsanitis, Georgios; Westin, Andreas; Deligiannidis, Kristina; Spigset, Olav; Paulzen, Michael. (2020) Excretion of Antipsychotics Into the Amniotic Fluid, Umbilical Cord Blood, and Breast Milk: A Systematic Critical Review and Combined Analysis. Therapeutic Drug Monitoring. volum 42 (2).
  Academic article
• Schoretsanitis, Georgios; Westin, Andreas; Stingl, Julia C.; Deligiannidis, Kristina M.; Paulzen, Michael; Spigset, Olav. (2020) Antidepressant transfer into amniotic fluid, umbilical cord blood & breast milk: A systematic review and combined analysis. Progress in Neuro-psychopharmacology and Biological Psychiatry. volum 207.
  Academic literature review
• Skråstad, Ragnhild Bergene; Spigset, Olav; Aamo, Trond Oskar; Andreassen, Trine Naalsund. (2020) Stability of Phosphatidylethanol 16:0/18:1 in Freshly Drawn, Authentic Samples from Healthy Volunteers. Journal of Analytical Toxicology.
  Academic article
• Spigset, Olav. (2020) Solid lærebok i farmakologi [Kim Brøsen, Kim Dalhoff, Ulf Simonsen, red. Basal og klinisk farmakologi 6. utg. 1 218 s, tab, ill. København: FADL’s forlag, 2019. Pris DKK 1 200 ISBN 978-87-93590-25-0]. Tidsskrift for Den norske legeforening. volum 140 (1).
  Book review

2019

• Ausen, Kjersti; Hagen, Anne Irene; Østbyhaug, Heidi Sæther; Olafsson, Sverrir; Kvalsund, Berit; Spigset, Olav; Pleym, Hilde. (2019) Topical moistening of mastectomy wounds with diluted tranexamic acid to reduce bleeding: randomized clinical trial. BJS Open. volum 4 (2).
  Academic article
• Ausen, Kjersti; Pleym, Hilde; Liu, Jiayin; Hegstad, Solfrid; Nordgaard, Håvard B.; Pavlovic, Ivan; Spigset, Olav. (2019) Serum Concentrations and Pharmacokinetics of Tranexamic Acid after Two Means of Topical Administration in Massive Weight Loss Skin-Reducing Surgery. Plastic and Reconstructive Surgery. volum 143 (6).
  Academic article
• Britz, Hannah; Hanke, Nina; Volz, Anke-Katrin; Spigset, Olav; Schwab, Matthias; Eissing, Thomas; Wendl, Thomas; Frechen, Sebastian; Lehr, Thorsten. (2019) Physiologically-based pharmacokinetic models for CYP1A2 drug-drug interaction prediction: A modeling network of fluvoxamine, theophylline, caffeine, rifampicin, and midazolam. CPT: Pharmacometrics and Systems Pharmacology (PSP). volum 8 (5).
  Academic article
• Chalabianloo, Fatemeh; Westin, Andreas; Skogvoll, Eirik; Bramness, Jørgen Gustav; Spigset, Olav. (2019) Methadone serum concentrations and influencing factors: A naturalistic observational study. Psychopharmacology. volum 236.
  Academic article
• Dyrkorn, Roar; Langaas, Harald Chr.; Giverhaug, Trude; Espnes, Ketil Arne; Rowett, Debra; Spigset, Olav. (2019) Academic detailing as a method of continuing medical education. Advances in Medical Education and Practice. volum 10.
  Academic article
• Edvinsson, Åsa; Hellgren, Charlotte; Kallak, Theodora; Åkerud, Helena; Skalkidou, Alkistis; Stener-Victorin, Elisabet; Fornes, Romina; Spigset, Olav; Lager, Susanne; Olivier, Jocelien; Sundström-Poromaa, Inger. (2019) The effect of antenatal depression and antidepressant treatment on placental tissue: a protein-validated gene expression study. BMC Pregnancy and Childbirth. volum 19:479.
  Academic article
• Eikebrokk, Tuva Alseth; Vassmyr, Brita; Ausen, Kjersti; Gravastrand, Caroline S.; Spigset, Olav; Pukstad, Brita. (2019) Cytotoxicity and effect on wound re-epithelialization after topical administration of tranexamic acid. BJS Open. volum 3 (6).
  Academic article
• Gundersen, Per Ole Mobråten; Åstrand, Anna; Gréen, Henrik; Josefsson, Martin; Spigset, Olav; Vikingsson, Svante. (2019) Metabolite profiling of ortho-, meta- and para-fluorofentanyl by hepatocytes and high-resolution mass spectrometry. Journal of Analytical Toxicology.
  Academic article
• Hegstad, Solfrid; Spigset, Olav; Helland, Arne. (2019) Stability of 21 Antihypertensive Drugs in Serum Collected in Standard (Non-Gel) Serum Tubes versus Tubes Containing a Gel Separator. Therapeutic Drug Monitoring. volum 42 (2).
  Short communication
• Hjorth, Sarah; Bromley, Rebecca; Ystrom, Eivind; Lupattelli, Angela; Spigset, Olav; Nordeng, Hedvig Marie Egeland. (2019) Use and validity of child neurodevelopment outcome measures in studies on prenatal exposure to psychotropic and analgesic medications – A systematic review. PLOS ONE. volum 14 (7).
  Academic literature review
• Holmøy, Trygve; Fevang, Børre; Olsen, David Benee; Spigset, Olav; Bø, Lars. (2019) Adverse events with fatal outcome associated with alemtuzumab treatment in multiple sclerosis. BMC Research Notes. volum 12 (1).
  Academic article
• Husebye, Elisabeth Synnøve Nilsen; Gilhus, Nils Erik; Spigset, Olav; Daltveit, Anne Kjersti; Bjørk, Marte-Helene. (2019) Language impairment in children aged 5 and 8 years after antiepileptic drug exposure in utero – the Norwegian Mother and Child Cohort Study. European Journal of Neurology.
  Academic article
• Jonsson, Anna K.; Spigset, Olav; Reis, Margareta. (2019) A Compilation of Serum Concentrations of 12 Antipsychotic Drugs in a Therapeutic Drug Monitoring Setting. Therapeutic Drug Monitoring. volum 41 (3).
  Academic article
• Melby, Katrine; Gråwe, Rolf W.; Aamo, Trond Oskar; Salvesen, Øyvind; Spigset, Olav. (2019) Effect of intranasal oxytocin on alcohol withdrawal syndrome: A randomized placebo-controlled double-blind clinical trial. Drug and Alcohol Dependence. volum 197.
  Academic article
• Olaisen, Maya; Spigset, Olav; Flatberg, Arnar; Granlund, Atle van Beelen; Brede, wenche Rødseth; Albrektsen, Grethe; Røyset, Elin Synnøve; Gilde, Bodil; Sandvik, Arne Kristian; Martinsen, Tom Christian; Fossmark, Reidar. (2019) Mucosal 5-aminosalicylic acid concentration, drug formulation and mucosal microbiome in patients with quiescent ulcerative colitis. Alimentary Pharmacology and Therapeutics. volum 49 (10).
  Academic article
• Schjøtt, Jan; Spigset, Olav. (2019) Drug information centres and their provision of decision support: The Scandinavian experience. Journal of Clinical Pharmacy and Therapeutics. volum 44 (3).
  Academic literature review
• Solnør, Ludvik Saxhaug; Skeie, Øystein Stenerud; Spigset, Olav; Slørdal, Lars. (2019) Sikkerhet ved bruk av langtidsvirkende β₂-agonister ved astma. Tidsskrift for Den norske legeforening. volum 139 (17).
  Academic literature review
• Sæther, Grete; Dyrkorn, Roar; Spigset, Olav; Espnes, Ketil Arne. (2019) Kasuistikk: En mann med depresjon og mangelfull effekt av venlafaksin. Bioingeniøren. volum 54 (7).
  Academic article

2018

• Dyrkorn, Roar; Lundgaard, Halvor; Stokes, Charlotte Lorentze; Molden, Espen; Spigset, Olav. (2018) Serumkonsentrasjonsmålinger av DOAK-legemidler. Tidsskrift for Den norske legeforening. volum 138 (7).
  Reader opinion piece
• Fjukstad, Katrine Kveli; Engum, Anne; Lydersen, Stian; Dieset, Ingrid; Steen, Nils Eiel; Andreassen, Ole Andreas; Spigset, Olav. (2018) Metabolic risk factors in schizophrenia and bipolar disorder: The effect of comedication with selective serotonin reuptake inhibitors and antipsychotics. European psychiatry. volum 48.
  Academic article
• Galbally, Megan; Ryan, Joanne; van IJzendoorn, Marinus; Watson, Stuart J.; Spigset, Olav; Lappas, Martha; Saffery, Richard; de Kloet, Ron; Lewis, Andrew James. (2018) Maternal depression, antidepressant use and placental oxytocin receptor DNA methylation: Findings from the MPEWS study. Psychoneuroendocrinology. volum 90.
  Academic article
• Gundersen, Per Ole Mobråten; Helland, Arne; Spigset, Olav; Hegstad, Solfrid. (2018) Quantification of 21 antihypertensive drugs in serum using UHPLC-MS/MS. Journal of chromatography. B. volum 1089.
  Academic article
• Gundersen, Per Ole Mobråten; Spigset, Olav; Josefsson, Martin. (2018) Screening, quantification and confirmation of synthetic cannabinoid metabolites in urine by UHPLC-QTOF-MS. Drug Testing and Analysis.
  Academic article
• Haidl, Frans Felxi; Rosseland, Leiv Arne; Spigset, Olav; Dahl, Vegard. (2018) Effects of Adrenaline on maternal and fetal fentanyl absorption in epidural analgesia: a randomized trial. Acta Anaesthesiologica Scandinavica. volum 62 (9).
  Academic article
• Hegstad, Solfrid; Havnen, Hilde; Helland, Arne; Spigset, Olav; Frost, Joachim. (2018) Enantiomeric separation and quantification of R/S-amphetamine in urine by ultra-high performance supercritical fluid chromatography tandem mass spectrometry. Journal of chromatography. B. volum 1077-1078.
  Academic article
• Helland, Arne; Habib, Simone; Ulvestad, Line; Spigset, Olav. (2018) Systemic inflammation complicates the interpretation of therapeutic drug monitoring of risperidone. Journal of Clinical Psychopharmacology. volum 38 (3).
  Letter to the editor
• Husebye, Elisabeth Synnøve Nilsen; Gilhus, Nils Erik; Riedel, Bettina; Spigset, Olav; Daltveit, Anne Kjersti; Bjørk, Marte-Helene. (2018) Verbal abilities in children of mothers with epilepsy: Association to maternal folate status. Neurology. volum 91 (9).
  Academic article
• Jönsson, Anna K.; Schill, Johan; Olsson, Hans; Spigset, Olav; Hägg, Staffan. (2018) Venous Thromboembolism During Treatment with Antipsychotics: A Review of Current Evidence. CNS Drugs. volum 32 (1).
  Academic literature review
• Langaas, Harald Chr.; Hurley, Eimir; Dyrkorn, Roar; Spigset, Olav. (2018) Effectiveness of an academic detailing intervention in primary care on the prescribing of non-steroidal anti-inflammatory drugs. European Journal of Clinical Pharmacology.
  Academic article
• Lien, Knut; Spigset, Olav; Westin, Andreas; Slørdal, Lars. (2018) Overgangen fra digitoksin til digoksin i årene 2011–13. Tidsskrift for Den norske legeforening. volum 138 (15).
  Academic article
• Lindahl, Sofia; Dyrkorn, Roar; Spigset, Olav; Hegstad, Solfrid. (2018) Quantification of apixaban, dabigatran, edoxaban, and rivaroxaban in human serum by UHPLC-MS/MS-method development, validation, and application. Therapeutic Drug Monitoring. volum 40 (3).
  Academic article
• Lupattelli, Angela; Spigset, Olav; Nordeng, Hedvig Marie Egeland. (2018) Learning the effects of psychotropic drugs during pregnancy using real-world safety data: a paradigm shift toward modern pharmacovigilance. International Journal of Clinical Pharmacy. volum 40 (4).
  Academic article
• Mauseth, Siri Ann; Skurtveit, Svetlana; Skovlund, Eva; Langhammer, Arnulf; Spigset, Olav. (2018) Medication use and association with urinary incontinence in women: Data from the Norwegian Prescription Database and the HUNT study. Neurourology and Urodynamics. volum 37 (4).
  Academic article
• Schjøtt, Jan; Böttiger, Ylva; Damkier, Per; Reppe, Linda Amundstuen; Kampmann, Jens Peter; Christensen, Hanne Rolighed; Spigset, Olav. (2018) Use of references in responses from Scandinavian drug information centres. Medicines.
  Academic article
• Slørdal, Lars; Spigset, Olav. (2018) Læringsmål, eksamen og legers virkelighet :. Tidsskrift for Den norske legeforening. volum 138 (14).
  Reader opinion piece
• Westin, Andreas; Reimers, Arne; Spigset, Olav. (2018) Skal gravide ha lavere eller høyere legemiddeldoser?. Tidsskrift for Den norske legeforening. volum 138 (17).
  Academic article

2017

• Andreassen, Trine Naalsund; Havnen, Hilde; Spigset, Olav; Falch, Berit Margrethe Hasle; Skråstad, Ragnhild Bergene. (2017) Hight throughput UHPC-MSMS method for the analysis of phosphatidylethanol (PEth) 16:0/18:1, a specific biomarker for alcohol consumption, in whole blood. Journal of Analytical Toxicology. volum 42 (1).
  Academic article
• Bjørk, Marte Helene; Riedel, Bettina; Spigset, Olav; Veiby, Gyri; Kolstad, Eivind; Daltveit, Anne Kjersti; Gilhus, Nils Erik. (2017) Association of folic acid supplementation during pregnancy with the risk of autistic traits in children exposed to antiepileptic drugs in utero. JAMA Neurology. volum 75 (2).
  Academic article
• Castberg, Ingrid Mehli; Westin, Andreas; Skogvoll, Eirik; Spigset, Olav. (2017) Effects of age and gender on the serum levels of clozapine, olanzapine, risperidone, and quetiapine. Acta Psychiatrica Scandinavica. volum 136 (5).
  Academic article
• Galbally, Megan; Spigset, Olav; Johnson, Andrew R.; Kohan, Rolland; Lappas, Martha; Lewis, Andrew J.. (2017) Neonatal adaptation following intrauterine antidepressant exposure: assessment, drug assay levels, and infant development outcomes. Pediatric Research. volum 82 (5).
  Academic article
• Granås, Anne Gerd; Ruths, Sabine; Ranhoff, Anette Hylen; Langørgen, Aina G.; Spigset, Olav; Bakken, Marit Stordal. (2017) Norsk oversettelse av forskrivningsverktøyet STOPPFrail. Norsk Farmaceutisk Tidsskrift.
  Article
• Granås, Anne Gerd; Ruths, Sabine; Ranhoff, Anette Hylen; Langørgen, Aina G.; Spigset, Olav; Bakken, Marit Stordal. (2017) Norsk oversettelse av forskrivningsverktøyet STOPPFrail. Norsk Farmaceutisk Tidsskrift.
  Article
• Hegstad, Solfrid; Havnen, Hilde; Helland, Arne; Falch, Berit Margrethe Hasle; Spigset, Olav. (2017) Enantiomeric separation and quantification of citalopram in serum by ultra-high performance supercritical fluid chromatography-tandem mass spectrometry. Journal of chromatography. B. volum 1061-1062.
  Academic article
• Hegstad, Solfrid; Helland, Arne; Hagemann, Cecilie Therese; Spigset, Olav. (2017) EtG/EtS in Serum by UHPLC-MS-MS in Suspected Sexual Assault Cases. Journal of Analytical Toxicology.
  Academic article
• Hegstad, Solfrid; Kristoffersen, Lena; Liane, Veronica Horpestad; Spigset, Olav. (2017) EtG and EtS in autopsy blood samples with and without putrefaction using UPLC-MS-MS. Journal of Analytical Toxicology. volum 41 (2).
  Academic article
• Helland, Arne; Spigset, Olav. (2017) Serum concentrations of paliperidone after administration of the long-acting injectable formulation. Therapeutic Drug Monitoring. volum 39 (6).
  Academic article
• Heltne, Marianne; Saltvedt, Ingvild; Lydersen, Stian; Prestmo, Anders; Sletvold, Olav; Spigset, Olav. (2017) Patterns of drug prescriptions in an orthogeriatric ward as compared to orthopaedic ward: results from the Trondheim Hip Fracture Trial?a randomised clinical trial. European Journal of Clinical Pharmacology. volum 73 (8).
  Academic article
• Holmsen, Solveig Thorp; Havnen, Gro Cecilie; Nordmo, Elisabet N; Nordeng, Hedvig Marie Egeland; Spigset, Olav. (2017) Re: Familieplanlegging, graviditet og amming ved multippel sklerose :. Tidsskrift for Den norske legeforening. volum 137 (1).
  Reader opinion piece
• Lupattelli, Angela; Wood, Mollie; Lapane, Kate L; Spigset, Olav; Nordeng, Hedvig Marie Egeland. (2017) Risk of preeclampsia after gestational exposure to selective serotonin reuptake inhibitors and other antidepressants: A study from The Norwegian Mother and Child Cohort Study. Pharmacoepidemiology and Drug Safety. volum 26 (10).
  Academic article
• Mauseth, Siri Ann; Skurtveit, Svetlana; Langhammer, Arnulf; Spigset, Olav. (2017) Incidence of and factors associated with anticholinergic drug use among Norwegian women with urinary incontinence. International Urogynecology Journal.
  Academic article
• Reppe, Linda Amundstuen; Spigset, Olav; Kampmann, Jens Peter; Damkier, Per; Christensen, Hanne Rolighed; Böttiger, Ylva; Schjøtt, Jan. (2017) Quality assessment of structure and language elements of written responses given by seven Scandinavian drug information centres. European Journal of Clinical Pharmacology. volum 73 (5).
  Academic article
• Smith, Robert Løvsletten; Haslemo, Tore; Andreassen, Ole Andreas; Eliasson, Erik; Dahl, Marja-Liisa; Spigset, Olav; Molden, Espen. (2017) Correlation between serum concentrations of N-desmethylclozapine and granulocyte levels in patients with schizophrenia: a retrospective observational study. CNS Drugs. volum 31 (11).
  Academic article
• Sund, Janne Kutschera; Sletvold, Olav; Mellingsæter, Trude Cecilie; Hukari, Randi; Hole, Torstein; Uggen, Per Einar; Vadset, Petra Thiemann; Spigset, Olav. (2017) Discrepancies in drug histories at admission to gastrointestinal surgery, internal medicine and geriatric hospital wards in Central Norway: A cross-sectional study. BMJ Open. volum 7 (9).
  Academic article
• Thu, Ole Kristian Forstrønen; Spigset, Olav; Hellum, Bent Håvard. (2017) Noncompetitive inhibition of human CYP2C9 in vitro by a commercial Rhodiola rosea product. Pharmacology Research & Perspectives. volum 5 (4).
  Academic article
• Westin, Andreas; Brekke, Malin; Molden, Espen; Skogvoll, Eirik; Aadal, Marianne; Spigset, Olav. (2017) Changes in drug disposition of lithium during pregnancy: A retrospective observational study of patient data from two routine therapeutic drug monitoring services in Norway. BMJ Open. volum 7 (3).
  Academic article
• Westin, Andreas; Brekke, Malin; Molden, Espen; Skogvoll, Eirik; Castberg, Ingrid Mehli; Spigset, Olav. (2017) Treatment with antipsychotics in pregnancy: changes in drug disposition. Clinical Pharmacology and Therapeutics. volum 103 (3).
  Academic article
• Westin, Andreas; Brekke, Malin; Molden, Espen; Skogvoll, Eirik; Spigset, Olav. (2017) Selective serotonin reuptake inhibitors and venlafaxine in pregnancy: Changes in drug disposition. PLOS ONE. volum 12 (7).
  Academic article

2016

• Aakerøy, Rachel; Skråstad, Ragnhild; Helland, Arne; Hilberg, Thor; Aamo, Trond Oskar; Dyrkorn, Roar; Spigset, Olav. (2016) Nye markører for påvisning av alkoholbruk. Tidsskrift for Den norske legeforening. volum 136 (19).
  Academic article
• Fjukstad, Katrine Kveli; Engum, Anne; Lydersen, Stian; Dieset, Ingrid; Steen, Nils Eiel; Andreassen, Ole Andreas; Spigset, Olav. (2016) Metabolic abnormalities related to treatment with selective serotonin reuptake inhibitors in patients with schizophrenia or bipolar disorder. Journal of Clinical Psychopharmacology. volum 36 (6).
  Academic article
• Hagen, Nina Therese; Spigset, Olav. (2016) Sulfaallergi – hvilke legemidler må pasienten unngå på grunn av risiko for kryssreaksjon?. Tidsskrift for Den norske legeforening. volum 136.
  Academic literature review
• Hem, Erlend; Spigset, Olav. (2016) Serotonergt eller serotoninergt syndrom?. Tidsskrift for Den norske legeforening. volum 136 (11).
  Feature article
• Kaplan, Yusuf Cem; Spigset, Olav. (2016) Comment to the article 'Use of psychotropic drugs during pregnancy and breast-feeding'. Acta Psychiatrica Scandinavica. volum 133 (5).
  Letter to the editor
• Lundgaard, Halvor; Dyrkorn, Roar; Stokes, Charlotte Lorentze; Molden, Espen; Spigset, Olav. (2016) Tryggere behandling med serumkonsentrasjonsmåling av de nye antikoagulasjonsmidlene?. Tidsskrift for Den norske legeforening. volum 136 (18).
  Feature article
• Nezvalova-Henriksen, Katerina; Spigset, Olav; Brandlistuen, Ragnhild Eek; Ystrøm, Eivind; Koren, Gideon; Nordeng, Hedvig Marie Egeland. (2016) Effect of prenatal selective serotonin reuptake inhibitor (SSRI) exposure on birthweight and gestational age: a sibling-controlled cohort study. International Journal of Epidemiology. volum 45 (6).
  Academic article
• Nezvalova-Henriksen, Katerina; Wood, Mollie; Spigset, Olav; Nordeng, Hedvig Marie Egeland. (2016) Association of Prenatal Ibuprofen Exposure with Birth Weight and Gestational Age: A Population-Based Sibling Study. PLOS ONE. volum 11 (12).
  Academic article
• Nordeng, Hedvig Marie Egeland; Kaplan, Yusuf Cem; Spigset, Olav. (2016) Antipsychotics during Breastfeeding. Psychiatric Disorders during the Postpartum Period in Light of Current Advances.
  Academic chapter/article/Conference paper
• Nordeng, Hedvig Marie Egeland; Spigset, Olav. (2016) Safety of Psychotropic Drugs in Pregnancy and Breastfeeding. Pharmacovigilance in Psychiatry.
  Academic chapter/article/Conference paper
• Reppe, Linda Amundstuen; Lydersen, Stian; Schjøtt, Jan; Damkier, Per; Christensen, Hanne Rolighed; Kampmann, Jens Peter; Böttiger, Ylva; Spigset, Olav. (2016) Relationship Between Time Consumption and Quality of Responses to Drug-Related Queries:A Study From Seven Drug Information Centers in Scandinavia. Clinical Therapeutics. volum 38 (7).
  Academic article
• Reppe, Linda Amundstuen; Spigset, Olav; Schjøtt, Jan. (2016) Drug information services today: current role and future perspectives in rational drug therapy. Clinical Therapeutics. volum 38 (2).
  Academic article
• Söderberg, Carl; Wernvik, Emma; Tillmar, Andreas; Spigset, Olav; Kronstrand, Robert; Reis, Margareta; Jonsson, Anna K.; Druid, Henrik. (2016) Antipsychotics - Postmortem fatal and non-fatal reference concentrations. Forensic Science International. volum 266.
  Academic article
• Steen, Nils Eiel; Aas, Monica; Simonsen, Carmen Elisabeth; Dieset, Ingrid; Tesli, Martin Steen; Nerhus, Mari; Gardsjord, Erlend Strand; Mørch, Ragni Helene; Agartz, Ingrid; Melle, Ingrid; Ueland, Torill; Spigset, Olav; Andreassen, Ole Andreas. (2016) Serum levels of second-generation antipsychotics are associated with cognitive function in psychotic disorders. World Journal of Biological Psychiatry. volum 18 (6).
  Academic article
• Steen, Nils Eiel; Aas, Monica; Simonsen, Carmen Elisabeth; Dieset, Ingrid; Tesli, Martin Steen; Nerhus, Mari; Gardsjord, Erlend Strand; Mørch, Ragni Helene; Agartz, Ingrid; Melle, Ingrid; Vaskinn, Anja; Spigset, Olav; Andreassen, Ole Andreas. (2016) Serum concentrations of mood stabilizers are associated with memory, but not other cognitive domains in psychosis spectrum disorders; explorative analyses in a naturalistic setting. International journal of bipolar disorders. volum 4 (24).
  Academic article
• Strømmen, Magnus; Helland, Arne; Kulseng, Bård Eirik; Spigset, Olav. (2016) Increased bioavailability of methadone following sleeve gastrectomy - a planned case observation. Clinical Therapeutics. volum 38 (6).
  Academic article
• Thu, Ole Kristian Forstrønen; Spigset, Olav; Nilsen, Odd Georg; Hellum, Bent Håvard. (2016) Effect of commercial Rhodiola rosea on CYP enzyme activity in humans. European Journal of Clinical Pharmacology. volum 72 (3).
  Academic article

2015

• Nezvalova-Henriksen, Katerina; Spigset, Olav; Wood, Mollie; Nordeng, Hedvig Marie Egeland. (2015) The effect of prenatal nonsteroidal anti-inflammatory drug (NSAID) exposure on immediate pregnancy outcomes – A sibling controlled cohort study. Reproductive Toxicology.
  Abstract
• ABOU-ARAB, MOHAMMAD HASSAN; Feiner, John R.; Spigset, Olav; Heier, Tom. (2015) Alfentanil during rapid sequence induction with thiopental 4 mg/kg and rocuronium 0.6 mg/kg: Tracheal intubation conditions. Acta Anaesthesiologica Scandinavica. volum 59 (10).
  Academic article
• Amundsen, Siri; Nordeng, Hedvig Marie Egeland; Nezvalova-Henriksen, Katerina; Stovner, Lars Jacob; Spigset, Olav. (2015) Pharmacological treatment of migraine during pregnancy and breastfeeding. Nature Reviews Neurology. volum 11.
  Academic literature review
• Amundsen, Siri; Poole, Anne Christine; Spigset, Olav; Nordeng, Hedvig Marie Egeland. (2015) Farmakologisk behandling av migrene. Norsk Farmaceutisk Tidsskrift. volum 123 (11).
  Academic literature review
• Andreassen, Trine Naalsund; Falch, Berit Margrethe Hasle; Spigset, Olav. (2015) A UPLC-MSMS method for the analysis of olanzapine in serum-with particular emphasis on drug stability testing. Journal of chromatography. B. volum 1006.
  Academic article
• Athanasiu, Lavinia; Smorr, Lisa-Lena H; Tesli, Martin Steen; Røssberg, Jan Ivar; Sønderby, Ida Elken; Spigset, Olav; Djurovic, Srdjan; Andreassen, Ole Andreas. (2015) Genome-wide association study identifies common variants associated with pharmacokinetics of psychotropic drugs. Journal of Psychopharmacology. volum 29 (8).
  Academic article
• Ausen, Kjersti; Fossmark, Reidar; Spigset, Olav; Pleym, Hilde. (2015) Randomized clinical trial of topical tranexamic acid after reduction mammoplasty. British Journal of Surgery. volum 102 (11).
  Academic article
• Bjørk, Marte Helene; Veiby, Gyri; Reiter, Simone B. C. Frizell; Berle, Jan Øystein; Daltveit, Anne Kjersti; Spigset, Olav; Engelsen, Bernt; Gilhus, Nils Erik. (2015) Depression and anxiety in women with epilepsy during pregnancy and after delivery: a prospective population-based cohort study on frequency, risk factors, medication, and prognosis. Epilepsia. volum 56 (1).
  Academic article
• Fjermeros, Kamilla; Werner, Maren Caroline; Harg, Pernille; Samdal, Hilde; Slørdal, Lars; Spigset, Olav. (2015) Melding av legemiddelbivirkninger fra pasienter 2010 - 13. Tidsskrift for Den norske legeforening. volum 135 (6).
  Academic article
• Gjestad, Caroline; Westin, Andreas; Skogvoll, Eirik; Spigset, Olav. (2015) Effect of proton pump inhibitors on the serum concentrations of the selective serotonin reuptake inhibitors citalopram, escitalopram, and sertraline. Therapeutic Drug Monitoring. volum 37 (1).
  Academic article
• Granås, Anne Gerd; Ruths, Sabine; Ranhoff, Anette Hylen; Langørgen, Aina G.; Spigset, Olav; Bakken, Marit Stordal. (2015) Norsk oversettelse av START 2 og STOPP 2. Norsk Farmaceutisk Tidsskrift.
  Short communication
• Granås, Anne Gerd; Ruths, Sabine; Ranhoff, Anette Hylen; Langørgen, Aina G.; Spigset, Olav; Bakken, Marit Stordal. (2015) Norwegian translation of START and STOPP 2. Norsk Farmaceutisk Tidsskrift.
  Article
• Haugen, Wenche; Spigset, Olav. (2015) Hvordan forebygge residiverende urinveisinfeksjoner etter menopausen? :. Tidsskrift for Den norske legeforening. volum 135 (1).
  Feature article
• Hegstad, Solfrid; Westin, Andreas; Spigset, Olav. (2015) Detection times of carboxylic acid metabolites of the synthetic cannabinoids JWH-018 and JWH-073 in human urine. Journal of Analytical Toxicology. volum 39 (4).
  Academic article
• Helland, Arne; Syrstad, Vigdis Elin; Spigset, Olav. (2015) Prolonged elimination of paliperidone after administration of paliperidone palmitate depot injections. Journal of Clinical Psychopharmacology. volum 35 (1).
  Letter to the editor
• Lupattelli, Angela; Spigset, Olav; Björnsdottir, Ingunn; Hämeen-Anttila, Katri; Mårdby, Ann-Charlotte; Panchaud, Alice; Juraski, Romana Gjergia; Rudolf, Gorazd; Odalovic, Marina; Drozd, Mariola; Twigg, Michael J.; Juch, Herbert; Moretti, Myla Emily; Kennedy, Debra; Rieutord, Andre; Zagorodnikova, Ksenia; Passier, Anneke; Nordeng, Hedvig Marie Egeland. (2015) Patterns and factors associated with low adherence to psychotropic medications during pregnancy - a cross-sectional, multinational web-based study. Depression and Anxiety. volum 32 (6).
  Academic article
• Lupattelli, Angela; Spigset, Olav; Torgersen, Leila; Zerwas, Stephanie; Hatle, Marianne; Reichborn-Kjennerud, Ted; Bulik, Cynthia M.; Nordeng, Hedvig Marie Egeland. (2015) Medication Use before, during, and after Pregnancy among Women with Eating Disorders: A Study from the Norwegian Mother and Child Cohort Study. PLOS ONE. volum 10 (7).
  Academic article
• Moen, Trine; Slørdal, Lars; Spigset, Olav. (2015) Erfaringer og tilfredshet hos apotekkunder : generisk bytte av legemidler. Norsk Farmaceutisk Tidsskrift. volum 123 (7/8).
  Academic article
• Møllersen, Marie Viel; Norgård, Helle; Spigset, Olav; Slørdal, Lars. (2015) Hjerte, smerte - kardiovaskulær sikkerhet og ikke-steroide antiinflammatoriske midler. Tidsskrift for Den norske legeforening. volum 135 (6).
  Academic article
• Ranhoff, Anette Hylen; Bakken, Marit Stordal; Granås, Anne Gerd; Langørgen, Aina G.; Spigset, Olav; Ruths, Sabine. (2015) Bedre legemiddelbehandling av eldre. Tidsskrift for Den norske legeforening.
  Article
• Ranhoff, Anette Hylen; Bakken, Marit Stordal; Granås, Anne Gerd; Langørgen, Aina G.; Spigset, Olav; Ruths, Sabine. (2015) Bedre legemiddelbehandling av eldre. Tidsskrift for Den norske legeforening. volum 135 (4).
  Short communication
• Reppe, Linda Amundstuen; Schjøtt, Jan; Spigset, Olav. (2015) The Drug Information Centre in 2015 – still a valid concept?. Clinical Therapeutics. volum 37 (8).
  Abstract
• Slørdal, Lars; Spigset, Olav; Garberg, Hedda Rosland; Gladsø, Kristin Haugen. (2015) L. Slørdal og medarbeidere svarer:. Tidsskrift for Den norske legeforening. volum 135 (7).
  Letter to the editor
• Slørdal, Lars; Spigset, Olav; Garberg, Hedda Rosland; Gladsø, Kristin Haugen. (2015) L. Slørdal og medarbeidere svarer:. Tidsskrift for Den norske legeforening. volum 135 (3).
  Reader opinion piece
• Slørdal, Lars; Spigset, Olav; Westin, Andreas. (2015) Re: Der solen aldri skinner. Tidsskrift for Den norske legeforening. volum 135 (16).
  Reader opinion piece
• Spigset, Olav; Samdal, Hilde; Harg, Pernille; Werner, Maren Caroline; Fjermeros, Kamilla. (2015) O. Spigset og medarbeidere svarer. Tidsskrift for Den norske legeforening. volum 135 (14).
  Reader opinion piece
• Steen, Nils Eiel; Aas, Monica; Simonsen, Carmen Elisabeth; Dieset, Ingrid; Tesli, Martin Steen; Nerhus, Mari; Gardsjord, Erlend Strand; Mørch, Ragni Helene; Agartz, Ingrid; Melle, Ingrid; Vaskinn, Anja; Spigset, Olav; Andreassen, Ole Andreas. (2015) Serum level of venlafaxine is associated with better memory in psychotic disorders. Schizophrenia Research. volum 169 (1-3).
  Academic article

2014

• Bakken, Marit Stordal; Ruths, Sabine; Ranhoff, Anette Hylen; Spigset, Olav; Langørgen, Aina G.; Granås, Anne Gerd. (2014) START og STOPP 2, Norwegian translation. Norsk elektronisk legehåndbok.
  Article
• Bjørk, Marte Helene; Veiby, Gyri; Spigset, Olav; Gilhus, Nils Erik. (2014) Using the Norwegian Mother and Child Cohort Study to determine risk factors for delayed development and neuro-psychiatric symptoms in the offspring of parents with epilepsy. Norsk Epidemiologi. volum 24 (1/2).
  Academic article
• Gladsø, Kristin Haugen; Garberg, Hedda Rosland; Spigset, Olav; Slørdal, Lars. (2014) Skriftlig legemiddelreklame - fremdeles ikke til å stole på? :. Tidsskrift for Den norske legeforening. volum 134 (16).
  Academic article
• Hegstad, Solfrid; Hermansson, S; Betner, I; Spigset, Olav; Falch, Berit Margrethe Hasle. (2014) Screening and quantitative determination of drugs of abuse in diluted urine by UPLC-MS/MS. Journal of chromatography. B. volum 947-948.
  Academic article
• Lupattelli, Angela; Spigset, Olav; Koren, Gideon; Nordeng, Hedvig Marie Egeland. (2014) Risk of Vaginal Bleeding and Postpartum Hemorrhage After Use of Antidepressants in Pregnancy: A Study From the Norwegian Mother and Child Cohort Study. Journal of Clinical Psychopharmacology. volum 34 (1).
  Short communication
• Lupattelli, Angela; Spigset, Olav; Nordeng, Hedvig Marie Egeland. (2014) Adherence to medication for chronic disorders during pregnancy: results from a multinational study. International Journal of Clinical Pharmacy. volum 36 (1).
  Academic article
• Lupattelli, Angela; Spigset, Olav; Twigg, Michael J.; Zagorodnikova, Ksenia; Mårdby, Ann-Charlotte; Moretti, Myla Emily; Drozd, Mariola; Panchaud, Alice; Hämeen-Anttila, Katri; Rieutord, Andre; Gjergia Jurasky, Romana; Odalovic, Marina; Kennedy, Debra; Rudolf, Gorazd; Juch, Herbert; Passier, Anneke; Björnsdottir, Ingunn; Nordeng, Hedvig Marie Egeland. (2014) Medication use in pregnancy: a cross-sectional, multinational web-based study. BMJ Open. volum 4.
  Academic article
• Myren-Svelstad, Sverre; Spigset, Olav; Larsen, Øivind. (2014) Vakthund i journalen. Tidsskrift for Den norske legeforening. volum 134 (15).
  Short communication
• Nordeng, Hedvig M Egeland; Gjerdalen, G; Brede, wenche Rødseth; Michelsen, Lisbeth Solem; Spigset, Olav. (2014) Transfer of aripiprazole to breast milk: A case report. Journal of Clinical Psychopharmacology. volum 34 (2).
  Letter to the editor
• Reppe, Linda Amundstuen; Spigset, Olav; Böttiger, Ylva; Christensen, Hanne Rolighed; Kampmann, Jens Peter; Damkier, Per; Lydersen, Stian; Schjøtt, Jan. (2014) Factors associated with time consumption when answering drug-related queries to Scandinavian drug information centres: a multi-centre study. European Journal of Clinical Pharmacology. volum 70 (11).
  Academic article
• Sandli, Oda Kristine; Spigset, Olav; Slørdal, Lars. (2014) Polypillen – et alternativt konsept i kardiovaskulær profylakse :. Tidsskrift for Den norske legeforening. volum 134 (6).
  Feature article
• Sandli, Oda Kristine; Spigset, Olav; Slørdal, Lars. (2014) Polypillen som kardiovaskulær profylakse - kliniske studier. Tidsskrift for Den norske legeforening. volum 134 (6).
  Academic article
• Slørdal, Lars; Spigset, Olav. (2014) Interessekonflikter og forskningsparadigmer. Tidsskrift for Den norske legeforening. volum 134 (3).
  Letter to the editor
• Slørdal, Lars; Spigset, Olav. (2014) Re: Østrogentilskudd og forskningsparadigmer :. Tidsskrift for Den norske legeforening. volum 134 (12/13).
  Reader opinion piece
• Spigset, Olav. (2014) 30 medisiner daglig på sykehjem. Telemarksavisa.
  publications.INTERVJUSKRIFTL
• Spigset, Olav. (2014) Fårfarlig pillecocktail på sykehjem. Adresseavisen.
  publications.INTERVJUSKRIFTL
• Spigset, Olav. (2014) HUNT med møte om eldre og multimedisinering. Trønder-avisa.
  publications.INTERVJUSKRIFTL
• Spigset, Olav. (2014) Läkemedel. Gyn. Problemorienterad gynekologi och obstetrik.
  Chapter
• Spigset, Olav. (2014) Sykehjemspasienter. Tidens Krav.
  publications.INTERVJUSKRIFTL
• Søraas, Ingvild Aune; Staurset, Hanne Baust; Slørdal, Lars; Spigset, Olav. (2014) Legemiddelinteraksjoner hos pasienter i sykehjem. Tidsskrift for Den norske legeforening. volum 134 (10).
  Academic article
• Westin, Andreas; Espnes, Ketil Arne; Larsen, Ruth-Anne Rasch; Bjånes, Tormod Karlsen; Berg, Jon Andsnes; Spigset, Olav. (2014) Rusmiddelanalyser i Norge. Bioingeniøren. volum 49 (2).
  Academic literature review

2013

• Baardseth, Mari; Lynghei, Ellen; Flåte, Sølvi; Spigset, Olav; Slørdal, Lars. (2013) Legemiddelsaker i Norsk pasientskadeerstatning. Tidsskrift for Den norske legeforening. volum 133.
  Academic article
• Hagemann, Cecilie Therese; Helland, Arne; Spigset, Olav; Espnes, Ketil Arne; Ormstad, Kari; Schei, Berit. (2013) Ethanol and drug findings in women consulting a Sexual Assault Center - Associations with clinical characteristics and suspicions of drug-facilitated sexual assault. Journal of Forensic and Legal Medicine. volum 20 (6).
  Academic article
• Hegstad, Solfrid; Helland, Arne; Hagemann, Cecilie Therese; Michelsen, Lisbeth Solem; Spigset, Olav. (2013) EtG/EtS in Urine from Sexual Assault Victims Determined by UPLC-MS-MS. Journal of Analytical Toxicology. volum 37 (4).
  Academic article
• Helland, Arne; Syrstad, Vigdis Elin Giæver; Spigset, Olav. (2013) Prolonged Elimination Time of Paliperidone After Administration of Paliperidone Palmitate Depot Injections. Therapeutic Drug Monitoring. volum 35 (5).
  Abstract
• Lupattelli, Angela; Spigset, Olav; Moretti, M.; Nordeng, Hedvig Marie Egeland. (2013) Medication Use during Pregnancy: A Multinational Perspective. Birth Defects Research Part A: Clinical and Molecular Teratology. volum 97 (5).
  Abstract
• Lupattelli, Angela; Spigset, Olav; Nordeng, Hedvig Marie Egeland. (2013) Risk of vaginal bleeding after use of antidepressants in pregnancy: a study from the norwegian mother and child cohort study. Reproductive Toxicology. volum 37.
  Abstract
• Lupattelli, Angela; Spigset, Olav; Twigg, MJ; Zagorodnikova, Ksenia; Mårdby, Ann-Charlotte; Moretti, Myla; Drozd, Mariola; Panchaud, Alice; Hameen-Antilla, Katri; Rieutord, Andre; Gjergia, Romana; Odalovic, Marina; Kennedy, Debra; Rudolf, Gorazd; Juch, Herbert; Passier, Anneke; Björnsdottir, Ingunn; Nordeng, Hedvig Marie Egeland. (2013) Medication use during pregnancy: a multinational perspective. Pharmacoepidemiology and Drug Safety. volum 22.
  Abstract
• Mauseth, Siri Ann; Skurtveit, Svetlana; Spigset, Olav. (2013) Adherence, persistence and switch rates for anticholinergic drugs used for overactive bladder in women: data from the Norwegian Prescription Database. Acta Obstetricia et Gynecologica Scandinavica. volum 92 (10).
  Academic article
• Nezvalova-Henriksen, Katerina; Spigset, Olav; Nordeng, Hedvig Marie Egeland. (2013) Effects of ibuprofen, diclofenac, naproxen, and piroxicam on the course of pregnancy and pregnancy outcome: a prospective cohort study. BJOG: An International Journal of Obstetrics and Gynaecology. volum 120 (8).
  Academic article
• Nezvalova-Henriksen, Katerina; Spigset, Olav; Nordeng, Hedvig Marie Egeland. (2013) Triptan safety during pregnancy: a Norwegian population registry study. European Journal of Epidemiology (EJE). volum 28 (9).
  Academic article
• Nordeng, Hedvig Marie Egeland; Spigset, Olav. (2013) Legemidler og bruken av dem. Gyldendal Akademisk. 2013. ISBN 9788205425064.
  Textbook
• Persheim, Marthe Sæther; Helland, Arne; Slørdal, Lars; Spigset, Olav. (2013) Potensielt vanedannende legemidler på blåresept ved kroniske sterke smerter. Tidsskrift for Den norske legeforening. volum 133.
  Academic article
• Ringen, Petter Andreas; Melle, Ingrid; Berg, Akiah Ottesen; Agartz, Ingrid; Spigset, Olav; Simonsen, Carmen Elisabeth; Sundet, Kjetil Søren; Andreassen, Ole Andreas. (2013) Cannabis use and premorbid functioning as predictors of poorer neurocognition in schizophrenia spectrum disorder. Schizophrenia Research. volum 143 (1).
  Academic article
• Rørdam, Ole Martin; Grimstad, Øystein; Spigset, Olav; Ryggen, Kristin. (2013) Giant orf with prolonged recovery in a patient with psoriasis arthritis treated with etanercept. Acta Dermato-Venereologica. volum 93 (4).
  Reader opinion piece
• Sigurdh, Jeanette; Allard, Per; Spigset, Olav; Hägglöf, Bruno. (2013) Platelet serotonin transporter and 5-HT2A receptor binding in adolescents with eating disorders. International Journal of Neuroscience. volum 123 (5).
  Academic article
• Skjaervold, Nils Kristian; Østling, Dan; Hjelme, Dag Roar; Spigset, Olav; Lyng, Oddveig; Aadahl, Petter. (2013) Blood Glucose Control Using a Novel Continuous Blood Glucose Monitor and Repetitive Intravenous Insulin Boluses: Exploiting Natural Insulin Pulsatility as a Principle for a Future Artificial Pancreas. International Journal of Endocrinology.
  Academic article
• Spigset, Olav; Westin, Andreas Austgulen. (2013) Detection Times of Pregabalin in Urine After Illicit Use: When Should a Positive Specimen Be Considered a New Intake?. Therapeutic Drug Monitoring. volum 35 (1).
  Academic article
• Stallvik, Marianne; Nordstrand, Berit; Kristensen, Øistein; Bathen, Jørn; Skogvoll, Eirik; Spigset, Olav. (2013) Corrected QT interval during treatment with methadone and buprenorphine-Relation to doses and serum concentrations. Drug and Alcohol Dependence. volum 129 (1-2).
  Academic article
• Storflor, Janne Guldteig; Pettersen, Linn Carina; Slørdal, Lars; Spigset, Olav. (2013) Legemidlers pakningsvedlegg – ulik informasjon om like preparater. Tidsskrift for Den norske legeforening. volum 133.
  Academic article

2012

• Aa, Erlend; Helland, Arne; Spigset, Olav. (2012) Kvetiapin kan ha misbrukspotensial. Tidsskrift for Den norske legeforening. volum 132 (14).
  Academic literature review
• Espnes, Ketil Arne; Heimdal, Kent Ove; Spigset, Olav. (2012) A Puzzling Case of Increased Serum Clozapine Levels in a Patient With Inflammation and Infection. Therapeutic Drug Monitoring. volum 34 (5).
  Academic article
• Espnes, Ketil Arne; Løvaas, Rikke Holm; Spigset, Olav. (2012) Eldre mann med atrieflimmer og forverret diabetes. Tidsskrift for Den norske legeforening. volum 132.
  Academic article
• Frost, Joachim; Spigset, Olav. (2012) Opioidindusert kløe. Tidsskrift for Den norske legeforening. volum 132.
  Article
• Güzey, Cüneyt; Allard, P; Brännström, Thomas; Spigset, Olav. (2012) Radioligand Binding to Brain Dopamine and Serotonin Receptors and Transporters in Parkinson's Disease: Relation to Gene Polymorphisms. International Journal of Neuroscience. volum 122 (3).
  Academic article
• Hagemann, Cecilie Therese; Spigset, Olav; Helland, Arne; Espnes, Ketil Arne; Ormstad, Kari; Schei, Berit. (2012) Alcohol and drug findings in women subjected to sexual assault in Trondheim, Norway - associations with background and assault characteristics and clinical variables. Acta Obstetricia et Gynecologica Scandinavica. volum 91.
  Abstract
• Hov, Ingrid; Bjartnes, Margunn; Slørdal, Lars; Spigset, Olav. (2012) Tas legemidler som foreskrevet?. Tidsskrift for Den norske legeforening. volum 132.
  Academic literature review
• Husby, Kristin Moksnes; Kaasa, Stein; Paulsen, Ørnulf; Rosland, Jan Henrik; Spigset, Olav; Dale, Ola. (2012) Serum concentrations of opiods when comparing two switching strategies to methadone for cancer pain. European Journal of Clinical Pharmacology. volum 68 (8).
  Academic article
• Jönsson, Anna K.; Spigset, Olav; Hägg, Staffan. (2012) Venous Thromboembolism in Recipients of Antipsychotics Incidence, Mechanisms and Management. CNS Drugs. volum 26 (8).
  Academic literature review
• Lupattelli, Angela; Spigset, Olav; Moretti, M; Koren, G; Nordeng, Hedvig Marie Egeland. (2012) Medication Use and Information Needs during Pregnancy: An International Survey. Birth Defects Research Part A: Clinical and Molecular Teratology. volum 94 (5).
  Abstract
• Løkken, Per; Skjelbred, Per; Skoglund, Lasse Ansgar; Hovland, Kjersti; Spigset, Olav. (2012) Munnstell med klorheksidin forebygger pneumoni hos intuberte pasienter. Tidsskrift for Den norske legeforening. volum 132 (6).
  Short communication
• Mauseth, Siri Ann; Spigset, Olav; Skurtveit, Svetlana. (2012) Patterns of Use of Antimuscarinic Drugs for Overactive Bladder: A Study of the Norwegian Prescription Database. Pharmacoepidemiology and Drug Safety. volum 21.
  Abstract
• Nezvalova-Henriksen, Katerina; Spigset, Olav; Nordeng, Hedvig Marie Egeland. (2012) Errata in "Triptan Exposure During Pregnancy and the Risk of Major Congenital Malformations and Adverse Pregnancy Outcomes: Results From the Norwegian Mother and Child Cohort Study". Headache. volum 52 (8).
  Reader opinion piece
• Nezvalova-Henriksen, Katerina; Spigset, Olav; Nordeng, Hedvig Marie Egeland. (2012) Erratum to: Effects of codeine on pregnancy outcome: results from a large population-based cohort study. European Journal of Clinical Pharmacology. volum 68 (12).
  Letter to the editor
• Nordeng, Hedvig M Egeland; Havnen, Gro Cecilie; Spigset, Olav. (2012) Legemiddelbruk ved amming. Tidsskrift for Den norske legeforening. volum 132.
  Academic article
• Nordeng, Hedvig Marie Egeland; van Gelder, Marleen MHJ; Spigset, Olav; Koren, Gideon; Einarson, Adrienne; Eberhard-Gran, Malin M C. (2012) Pregnancy Outcome After Exposure to Antidepressants and the Role of Maternal Depression: Results From the Norwegian Mother and Child Cohort Study. Journal of Clinical Psychopharmacology. volum 32 (2).
  Academic article
• Skjaervold, Nils Kristian; Lyng, Oddveig; Spigset, Olav; Aadahl, Petter. (2012) Pharmacology of Intravenous Insulin Administration: Implications for Future Closed-Loop Glycemic Control by the Intravenous/Intravenous Route. Diabetes Technology & Therapeutics. volum 14 (1).
  Academic article
• Westin, Andreas Austgulen; Larsen, Ruth-Anne Rasch; Espnes, Ketil Arne; Spigset, Olav. (2012) Legemiddelanalyser i Norge. Tidsskrift for Den norske legeforening. volum 132.
  Academic article

2011

• Berle, Jan Øystein; Solberg, Dag Kristen; Spigset, Olav. (2011) Behandling av bipolar lidelse under svangerskap og etter fødsel. Tidsskrift for Den norske legeforening. volum 131.
  Academic article
• Berle, Jan Øystein; Solberg, Dag Kristen; Spigset, Olav. (2011) Behandling av bipolar lidelse under svangerskap og etter fødsel. Tidsskrift for Den norske legeforening. volum 131 (2).
  Academic literature review
• Berle, Jan Øystein; Spigset, Olav. (2011) Antidepressant use during breastfeeding. Current Women's Health Reviews. volum 7.
  Academic article
• Dyrkorn, Roar; Reimers, Arne; Johannessen, Ludvig; Spigset, Olav. (2011) Dekker rusmiddeltester i urin de aktuelle misbruksstoffene?. Tidsskrift for Den norske legeforening. volum 131.
  Academic article
• Guzey, Ismail Cuneyt; Lopez Rodriguez, Rosario; Myhre, Ronny; Spigset, Olav. (2011) Allele and Genotype Frequencies of Serotonin and Dopamine Transporter and Receptor Polymorphisms in a Norwegian Population. Genetic Testing and Molecular Biomarkers. volum 15 (7-8).
  Academic article
• Hellum, Bent Håvard; Spigset, Olav; Nilsen, Odd Georg. (2011) Bioanalytical method validation of LC-MSMS, GC-MS and HPLC assays used for analyzing substrates and metabolites included in Inje's cocktail. Toxicology Letters. volum 205.
  Abstract
• Molden, Espen; Spigset, Olav. (2011) Interaksjoner mellom metoprolol og antidepressive legemidler. Tidsskrift for Den norske legeforening. volum 131 (18).
  Academic literature review
• Nezvalova-Henriksen, Katerina; Spigset, Olav; Nordeng, Hedvig M Egeland. (2011) Effects of codeine on pregnancy outcome: results from a large population-based cohort study. European Journal of Clinical Pharmacology. volum 67 (12).
  Academic article
• Pleym, Hilde; Greiff, Guri; Mjörndal, Tom; Stenseth, Roar; Wahba, Alexander; Spigset, Olav. (2011) Effect of serotonin reuptake inhibitors on pulmonary hemodynamics in humans. Journal of Clinical Medicine Research. volum 3.
  Academic article
• Reppe, Linda Amundstuen; Sandstad, Hilde Gunn; Spigset, Olav; Schjøtt, Jan. (2011) Hvordan er kvaliteten på omtalen av interaksjoner i Felleskatalogen?. Norsk Farmaceutisk Tidsskrift. volum 119 (10).
  Academic article
• Spigset, Olav. (2011) Drug-induced aortic aneurysms, ruptures and dissections. Etiology, pathogenesis and pathophysiology of aortic aneurysms and aneurysm rupture.
  Academic chapter/article/Conference paper
• Spigset, Olav. (2011) Serotonergt syndrom : en særegen legemiddelbivirkning. Norsk Farmaceutisk Tidsskrift. volum 119 (3).
  Academic literature review
• Sund, Janne Kutschera; Mellingsæter, Trude C; Hukari, R; Sletvold, Olav; Hole, Torstein; Vadset, Petra Thiemann; Spigset, Olav. (2011) Discrepancies of drug histories in geriatric patients admitted to hospital. International Journal of Clinical Pharmacology Research. volum 33 (4).
  Abstract
• Øvrehus, Marius Altern; Spigset, Olav; Zahlsen, Kolbjørn; Brunsvik, Anders; Aarset, Harald; Aasarød, Knut. (2011) En ung kvinne med nyresvikt. Tidsskrift for Den norske legeforening. volum 131 (19).
  Academic article

2010

• Hellum, Bent Håvard; Spigset, Olav; Nilsen, Odd Georg. (2010) Validation document of analytical assays used in the "Inje cocktail" for phenotyping of CYP1A2, CYP2C9, CYP2C19, CYP2D6 and CYP3A. 2010.
  Report
• Berg, Ansgar; Furu, Kari; Spigset, Olav; Einen, Margrete. (2010) Bør barn behandles med efedrin mikstur?. Tidsskrift for Den norske legeforening. volum 130.
  Academic article
• Davies, SJC; Westin, Andreas Austgulen; Castberg, Ingrid Mehli; Lewis, G; Lennard, MS; Taylor, S; Spigset, Olav. (2010) Characterisation of zuclopenthixol metabolism by in vitro and therapeutic drug monitoring studies. Acta Psychiatrica Scandinavica. volum 122 (6).
  Academic article
• Frost, Joachim; Sandvik, Pål; Spigset, Olav. (2010) Seksuelle bivirkninger av antidepressive legemidler. Tidsskrift for Den norske legeforening.
  Academic literature review
• Hønnås, Arne; Reimers, Arne; Spigset, Olav. (2010) Dosering av digitoksin i klinisk praksis. Tidsskrift for Den norske legeforening. volum 130 (13/14).
  Academic article
• Jonsson, AK; Hakkarainen, KM; Spigset, Olav; Druid, H; Hiselius, A; Hagg, S. (2010) Preventable drug related mortality in a Swedish population. Pharmacoepidemiology and Drug Safety. volum 19 (2).
  Academic article
• Lea, Dordi; Spigset, Olav; Slørdal, Lars. (2010) Norwegian medical students' attitudes towards the pharmaceutical industry. European Journal of Clinical Pharmacology. volum 66 (7).
  Academic article
• Løkken, Per; Olsen, Ingar; Spigset, Olav. (2010) Munnskylling med klorheksidin for å forebygge pneumoni. Tidsskrift for Den norske legeforening. volum 130 (18).
  Reader opinion piece
• Nezvalova-Henriksen, Katerina; Spigset, Olav; Nordeng, Hedvig. (2010) Triptan exposure during pregnancy and the risk of major congenital malformations and adverse pregnancy outcomes: results from the Norwegian Mother and Child Cohort Study. Headache. volum 50 (4).
  Academic article
• Reppe, Linda Amundstuen; Spigset, Olav; Schjøtt, Jan. (2010) Which factors predict the time spent answering queries to a drug information centre?. Pharmacy World & Science (PWS). volum 32 (6).
  Academic article
• Sandø, Alina Desiree; Aanes, Siv Gyda; Slørdal, Lars; Spigset, Olav. (2010) Rutiner ved førstegangs forskrivning av p-piller. Tidsskrift for Den norske legeforening. volum 130 (23).
  Academic article
• Vandraas, Kathrine F; Spigset, Olav; Mahic, Milada; Slørdal, Lars. (2010) Non-steroidal anti-inflammatory drugs: use and co-treatment with potentially interacting medications in the elderly. European Journal of Clinical Pharmacology. volum 66 (8).
  Academic article
• Wekre, Liv Johanne; Spigset, Olav; Sletvold, Olav; Sund, Janne Kutschera; Grimsmo, Anders. (2010) Multidose drug dispensing and discrepancies between medication records. Quality and Safety in Healthcare. volum 19 (5).
  Academic article

2009

• Castberg, Ingrid; Westin, AA; Spigset, Olav. (2009) Does Level of Care, Sex, Age, or Choice of Drug Influence Adherence to Treatment With Antipsychotics?. Journal of Clinical Psychopharmacology. volum 29 (5).
  Academic article
• Bagøien, Gunnhild Irene; Morken, Gunnar; Zahlsen, Kolbjørn; Aamo, Trond; Spigset, Olav. (2009) Evaluation of a Urine On-Site Drugs of Abuse Screening Test in Patients Admitted to a Psychiatric Emergency Unit. Journal of Clinical Psychopharmacology. volum 29 (3).
  Academic article
• Castberg, Ingrid Mehli; Spigset, Olav. (2009) Irreversible, uselektive monoaminoksidasehemmere. Tidsskrift for Den norske legeforening. volum 129.
  Academic literature review
• Castberg, Ingrid Mehli; Westing, Andreas; Spigset, Olav. (2009) Does level of care, gender, age or choice of drug influence adherence to treatment with antipsychotics?. European Neuropsychopharmacology. volum 19.
  Abstract
• Hagg, S; Jonsson, AK; Spigset, Olav. (2009) Risk of venous thromboembolism due to antipsychotic drug therapy. Expert Opinion on Drug Safety. volum 8 (5).
  Academic literature review
• Hedstrom, H; Bixo, M; Nyberg, S; Spigset, Olav; Zingmark, E; Backstrom, T. (2009) Studies of pharmacokinetic and pharmacodynamic properties of isoallopregnanolone in healthy women. Psychopharmacology. volum 203 (1).
  Academic article
• Jönsson, Anna Karin; Spigset, Olav; Tjäderborn, Michaela; Druid, Henrik; Hägg, Staffan. (2009) Fatal drug intoxications in a Swedish general population. BMC Clinical Pharmacology. volum 9.
  Academic article
• Lia, Kjersti; Spigset, Olav; Slørdal, Lars. (2009) Kjøring under påvirkning av amfetamin og metamfetamin. Tidsskrift for Den norske legeforening. volum 129 (2).
  Academic literature review
• Mellingsaeter, TC; Rordam, OM; Spigset, Olav. (2009) Association between aortic aneurysm rupture and short-term prednisolone use in two patients with dermatological disorders. Journal of the European Academy of Dermatology and Venereology. volum 23 (5).
  Reader opinion piece
• molden, espen; Spigset, Olav. (2009) Tobakksrøyking og interaksjoner med legemidler. Tidsskrift for Den norske legeforening. volum 129 (7).
  Academic literature review
• Nezvalova-Henriksen, Katerina; Spigset, Olav; Nordeng, Hedvig. (2009) Maternal characteristics and migraine pharmacotherapy during pregnancy: cross-sectional analysis of data from a large cohort study. Cephalalgia. volum 29 (12).
  Academic article
• Reis, Margareta; Aamo, Trond Oskar; Spigset, Olav; Ahlner, Johan. (2009) Serum Concentrations of Antidepressant Drugs in a Naturalistic Setting: Compilation Based on a Large Therapeutic Drug Monitoring Database. Therapeutic Drug Monitoring. volum 31 (1).
  Academic article
• Rognstad, S; Brekke, M; Fetveit, A; Spigset, Olav; Wyller, TB; Straand, J. (2009) The Norwegian General Practice (NORGEP) criteria for assessing potentially inappropriate prescriptions to elderly patients. Scandinavian Journal of Primary Health Care. volum 27 (3).
  Academic article
• Spigset, Olav. (2009) Gentesting før behandling med warfarin?. Tidsskrift for Den norske legeforening. volum 129.
  Feature article
• Spigset, Olav. (2009) Praktisk legemiddelbruk sett med svenske øyne. Tidsskrift for Den norske legeforening. volum 129.
  Book review
• Spigset, Olav. (2009) Spontanrapportering av bivirkninger: en viktig brikke i et stort puslespill. Norsk Farmaceutisk Tidsskrift. volum 117 (11).
  Editorial
• Spigset, Olav; Nordeng, Hedvig. (2009) Farmakologi och farmakologisk omvårdnad. Studentlitteratur AB. 2009. ISBN 978-91-44-05058-4.
  Textbook
• Teigen, Ingvill; Rendum, Kristin; Slørdal, Lars; Spigset, Olav. (2009) Feilmedisinering hos pasienter innlagt i sykehus. Tidsskrift for Den norske legeforening. volum 129.
  Academic article
• Westin, Andreas Austgulen; Huestis, Marilyn; Aarstad, Kjell; Spigset, Olav. (2009) Urinary Excretion of 11-Nor-9-Carboxy-Delta(9)-Tetrahydrocannabinol in a Pregnant Woman Following Heavy, Chronic Cannabis Use. Journal of Analytical Toxicology. volum 33 (9).
  Academic article
• Westin, Andreas Austgulen; Walstad, Rolf Aksel; Spigset, Olav. (2009) Må penicillin tas utenom måltider?. Tidsskrift for Den norske legeforening. volum 129.
  Academic literature review

2008

• Castberg, Ingrid; Spigset, Olav. (2008) Prescribing patterns and the use of therapeutic drug monitoring of psychotropic medication in a psychiatric high-security unit. Therapeutic Drug Monitoring. volum 30.
  Academic article
• Spigset, Olav; Molden, Espen. (2008) Cytokrom P-450 3A4 - kroppens viktigste arena for legemiddelinteraksjoner. Tidsskrift for Den norske legeforening. volum 128 (24).
  Academic literature review
• Spigset, Olav; Molden, Espen. (2008) Cytokrom P-450 3A4 - kroppens viktigste arena for legemiddelinteraksjoner. Tidsskrift for Den norske legeforening. volum 128 (24).
  Academic literature review
• Amundstuen, L; Spigset, O; Schjoett, J; Schjøtt, Jan. (2008) New methods to study complexity of drug information queries. Pharmacoepidemiology and Drug Safety. volum 17.
  Abstract
• Asheim, P; Spigset, Olav; Aasarod, K; Walstad, RA; Uggen, PE; Zahlsen, K; Aadahl, Petter. (2008) Pharmacokinetics of intraperitoneally instilled aminophylline, terbutaline and tobramycin in pigs. Acta Anaesthesiologica Scandinavica. volum 52 (2).
  Academic article
• Bachmann, Christine Strand; Berg, Erik Andreas; Spigset, Olav; Slørdal, Lars. (2008) Benzodiazepinliknende hypnotika - holdninger og forskrivningspraksis blant allmennleger. Tidsskrift for Den norske legeforening. volum 128 (2).
  Academic article
• Berg, Ansgar; Furu, Kari; Spigset, Olav. (2008) Slimhinneavsvellende nesedråper og nesespray hos barn. Tidsskrift for Den norske legeforening. volum 128.
  Academic literature review
• Berle, Jan Øystein; Spigset, Olav. (2008) Maternal antidepressant use and breast-feeding. Current Medical Literature : Psychiatry. volum 19 (2).
  Academic literature review
• Davies, SJC; Westin, AA; Castberg, I; Lewis, G; Lennard, MS; Spigset, Olav. (2008) Zuclopenthixol interactions with paroxetine, fluoxetine, carbamazepine & levomepromazine in routine therapeutic monitoring. European Neuropsychopharmacology. volum 18.
  Abstract
• Hägg, Staffan; Bate, Andrew; Stahl, Malin; Spigset, Olav. (2008) Association between venous thromboembolism and antipsychotics: a study of the WHO database of adverse drug reactions. Drug Safety. volum 31 (8).
  Academic article
• Helland, Arne; Espnes, Ketil Arne; Reimers, Arne; Aamo, Trond O; Zahlsen, Kolbjørn; Rygnestad, Tarjei; Spigset, Olav. (2008) Legemiddel- og rusmiddelanalyser som øyeblikkelig hjelp. Tidsskrift for Den norske legeforening. volum 128.
  Academic article
• Karlsen, SN; Spigset, Olav; Slørdal, Lars. (2008) The dark side of ecstasy: Neuropsychiatric symptoms after exposure to 3,4-methylenedioxymethamphetamine. Basic & Clinical Pharmacology & Toxicology. volum 102 (1).
  Academic literature review
• Khiabani, Hassan; Spigset, Olav. (2008) Anestesiprosedyrer og amming. Tidsskrift for Den norske legeforening. volum 128 (6).
  Academic literature review
• Solligård, Erik; Juel, Ingebjørg s.; Spigset, Olav; Romundstad, Pål Richard; Grønbech, Jon Erik; Aadahl, Petter. (2008) Gut luminal lactate measured by microdialysis mirrors permeability of the intestinal mucosa after ischemia. Shock. volum 29.
  Academic article
• Spigset, Olav. (2008) Farmakogenetikk i praksis. Tidsskrift for Den norske legeforening. volum 128.
  Short communication
• Spigset, Olav. (2008) Farmakogenetikk i praksis. Tidsskrift for Den norske legeforening. volum 128 (15).
  Reader opinion piece
• Wester, K; Jonsson, AK; Spigset, Olav; Druid, H; Hagg, S. (2008) Incidence of fatal adverse drug reactions: a population based study. British Journal of Clinical Pharmacology. volum 65.
  Academic article

2007

• Nordeng, Hedvig M Egeland; Spigset, Olav. (2007) Legemidler og bruken av dem. Gyldendal Akademisk. 2007. ISBN 978-82-05-32365-0.
  Non-fiction book
• Reimers, Arne; Skogvoll, E; Sund, JK; Spigset, O. (2007) Lamotrigine in children and adolescents: the impact of age on its serum concentrations and on the extent of drug interactions. European Journal of Clinical Pharmacology. volum 63.
  Academic article
• Castberg, Ingrid; Skogvoll, Eirik; Spigset, Olav. (2007) Pharmacokinetics of quetiapine: Evidence from a routine therapeutic drug monitoring service. Journal of Clinical Psychiatry. volum 68 (10).
  Academic article
• Castberg, Ingrid; Skogvoll, Eirik; Spigset, Olav. (2007) Quetiapine and drug interactions: Evidence from a routine therapeutic drug monitoring service. Journal of Clinical Psychiatry. volum 68.
  Academic article
• Castberg, Ingrid; Spigset, Olav. (2007) Effects of comedication on the serum levels of aripiprazole: Evidence from a routine therapeutic drug monitoring service. Pharmacopsychiatry. volum 40.
  Academic article
• Guzey, Ismail Cuneyt; Scordo, MG; Spina, E; Landsem, Veslemøy Malm; Spigset, Olav. (2007) Antipsychotic-induced extrapyramidal symptoms in patients with schizophrenia: associations with dopamine and serotonin receptor and transporter polymorphisms. European Journal of Clinical Pharmacology. volum 63.
  Academic article
• Helland, A; Spigset, Olav. (2007) Low serum concentrations of reboxetine in 2 patients treated with CYP3A4 inducers. Journal of Clinical Psychopharmacology. volum 27.
  Reader opinion piece
• Jönsson, Anna Karin; Spigset, Olav; Jacobsson, I; Hagg, S. (2007) Cerebral haemorrhage induced by warfarin - the influence of drug-drug interactions. Pharmacoepidemiology and Drug Safety. volum 16.
  Academic article
• Molden, Espen; Spigset, Olav. (2007) Frukt og bær - interaksjoner med legemidler. Tidsskrift for Den norske legeforening. volum 127 (4).
  Academic literature review
• Nordeng, Hedvig; Spigset, Olav. (2007) Legemidler og bruken av dem. Gyldendal Akademisk. 2007. ISBN 9788205323650.
  Textbook
• Reimers, Arne; Skogvoll, Eirik; Kutschera-Sund, Janne; Spigset, Olav. (2007) Lamotrigine in children and adolescents: The impact of age on its serum concentrations and the extent of drug interactions. European Journal of Clinical Pharmacology. volum 63 (7).
  Academic article
• Skomsvoll, Johan Fredrik; Wallenius, Marianne; Koksvik, HS; Rodevand, E; Salvesen, Kjell Å; Spigset, Olav; Kvien, TK. (2007) Drug Insight: anti-tumor necrosis factor therapy for inflammatory arthropathies during reproduction, pregnancy and lactation. Nature Clinical Practice Rheumatology. volum 3.
  Academic literature review
• Spigset, Olav; Brede, Wenche Rødseth; Zahlsen, Kolbjørn. (2007) Excretion of methylphenidate in breast milk. American Journal of Psychiatry. volum 264.
  Letter to the editor
• Wester, K; Jönsson, Karin; Spigset, Olav; Hagg, S. (2007) Spontaneously reported fatal suspected adverse drug reactions: a 10-year survey from Sweden. Pharmacoepidemiology and Drug Safety. volum 16.
  Academic article
• Åsheim, Per; Spigset, Olav; Aasarød, Knut; Walstad, Rolf Aksel; Uggen, Per Einar; Zahlsen, Kolbjørn; Aadahl, Petter. (2007) Pharmacokinetics of intraperitoneal instilled aminophylline, terbutaline and tobramycin in pigs. Acta Anaesthesiologica Scandinavica.
  Academic article

2006

• Espnes, Ketil Arne; Spigset, Olav; Delaveris, Gerd Jorunn Møller; Mørland, Jørg; Smith-Kielland, Anne. (2006) Bruk av hurtigtester for påvisning av rusmidler i urin. Tidsskrift for Den norske legeforening. volum 126 (17).
  Academic article
• Hedenmalm, Karin; Güzey, Ismail Cüneyt; Dahl, ML; Yue, QY; Spigset, Olav. (2006) Risk factors for extrapyramidal symptoms during treatment with selective serotonin reuptake inhibitors, including cytochrome P-450 enzyme, and serotonin and dopamine transporter and receptor polymorphisms. Journal of Clinical Psychopharmacology. volum 26.
  Academic article
• Andreen, L; Spigset, Olav; Andersson, A.; Nyberg, Svante; Bäckström, Torbjörn. (2006) Pharmacokinetics of progesterone and its metabolites allopregnanolone and pregnanolone after oral administration of low-dose progesterone. Maturitas. volum 54.
  Academic article
• Castberg, Ingrid; Reimers, Arne; Sandvik, Pål; Aamo, Trond; Spigset, Olav. (2006) Adverse drug reactions of antidepressants and antipsychotics: Experience, knowledge and attitudes among Norwegian psychiatrists. Nordic Journal of Psychiatry. volum 60 (3).
  Academic article
• Castberg, Ingrid; Skogvoll, Eirik; Spigset, Olav. (2006) Pharmacokinetics of quetiapine: evidence from a routine therapeutic drug monitoring service. European Neuropsychopharmacology. volum 16.
  Abstract
• Castberg, Ingrid; Spigset, Olav. (2006) Excretion of escitalopram in breast milk. Journal of Clinical Psychopharmacology. volum 26.
  Reader opinion piece
• Castberg, Ingrid; Spigset, Olav. (2006) Hyponatremi ved bruk av psykofarmaka. Tidsskrift for Den norske legeforening. volum 126.
  Academic literature review
• Güzey, Ismail Cüneyt; Spigset, Olav. (2006) Low serum concentrations of paroxetine in CYP2D6 ultrarapid metabolizers. Journal of Clinical Psychopharmacology. volum 26.
  Reader opinion piece
• Hedenmalm, Karin; Sundström, Anders; Spigset, Olav. (2006) Alopecia associated with treatment with selective serotonin reuptake inhibitors (SSRIs). Pharmacoepidemiology and Drug Safety. volum 15.
  Academic article
• Nelson, Siri; Slørdal, Lars; Spigset, Olav. (2006) Forskrivning av virkestoff i stedet for preparat - på høy tid. Tidsskrift for Den norske legeforening. volum 126 (4).
  Academic article
• Reimers, Arne; Brodtkorb, Eylert; Helde, Grethe; Spigset, Olav. (2006) Lamotrigine Serum Concentrations Throughout the Menstrual Cycle - A Study of 2 Cases. Clinical neuropharmacology. volum 29 (3).
  Short communication
• Skjervold, Berit; Bathen, Jørn; Spigset, Olav. (2006) Methadone and the QT interval - Relations to the serum concentrations of methadone and its enantiomers (R)-methadone and (S)-methadone. Journal of Clinical Psychopharmacology. volum 26.
  Reader opinion piece
• Slørdal, Lars; Spigset, Olav. (2006) Farmakologi. Tidsskrift for Den norske legeforening. volum 126.
  Feature article
• Slørdal, Lars; Spigset, Olav. (2006) Heart failure induced by non-cardiac drugs. Drug Safety. volum 29.
  Academic literature review
• Solhaug, Håvard Rein; Indermo, Hanne; Slørdal, Lars; Spigset, Olav. (2006) Skriftlig legemiddelreklame - til å stole på?. Tidsskrift for Den norske legeforening. volum 126 (10).
  Academic article
• Spigset, Olav. (2006) Farmakologiens "bibel" i ny utgave. Tidsskrift for Den norske legeforening. volum 126.
  Book review
• Spigset, Olav. (2006) Intoksikasjon med psykofarmaka. Tidsskrift for Den norske legeforening. volum 126.
  Short communication
• Spigset, Olav; Bate, Andrew; Stahl, Malin; Hägg, Staffan. (2006) Venous thromboembolism during treatment with antipsychotics. Pharmacoepidemiology and Drug Safety. volum 15.
  Abstract
• Strandberg, Joachim; Kugelberg, FC; Alkass, Kanar; Gustavsson, A; Zahlsen, Kolbjørn; Spigset, Olav; Druid, Henrik. (2006) Toxicological analysis in rats subjected to heroin and morphine overdose. Toxicology Letters. volum 166.
  Academic article

2005

• Castberg, I; Berle, Jan Øystein; Spigset, Olav. (2005) Kombinasjonsbehandling med karbamazepin og quetiapin. Tidsskrift for Den norske legeforening. volum 125 (17).
  Letter to the editor
• Castberg, Ingrid; Berle, Jan Øystein; Spigset, Olav. (2005) Kombinasjonsbehandling med karbamazepin og quetiapin. Tidsskrift for Den norske legeforening. volum 125 (17).
  Letter to the editor
• Midgard, Rune; Ertesvåg, Kåre; Trondsen, Erik; Spigset, Olav. (2005) Life-treathening acute pancreatitis associated with interferon beta-1a treatment in multiple sclerosis. Neurology. volum 65.
  Academic article
• Nordeng, Hedvig M Egeland; Spigset, Olav. (2005) Treatment with SSRIs in the third trimester of pregnancy: Effects on the newborn. Drug Safety.
  Academic article
• Reimers, Arne; Skogvoll, Eirik; Kutschera Sund, J; Spigset, Olav. (2005) Drug Interactions between Lamotrigine and Psychoactive Drugs: Evidence from a therapeutic Drug Monitoring Service. Journal of Clinical Psychopharmacology. volum 25 (4).
  Academic article
• Saltvedt, Ingvild; Spigset, Olav; Ruths, Sabine; Fayers, Peter; Kaasa, Stein; Sletvold, Olav. (2005) Patterns of drug prescription in a geriatric evaluation and management unit as compared with the general medical wards. A randomised study. European Journal of Clinical Pharmacology. volum Nov (24).
  Academic article
• Slørdal, Lars; Evensen, Sigurd; Spigset, Olav. (2005) COX-2-hememre – enda et skritt tilbake. Tidsskrift for Den norske legeforening. volum 125.
  Letter to the editor
• Slørdal, Lars; Evensen, Sigurd; Spigset, Olav. (2005) COX-2-hemmere – faglig diskusjon eller mistenkeliggjøring. Tidsskrift for Den norske legeforening. volum 125.
  Letter to the editor
• Slørdal, Lars; Evensen, Sigurd; Spigset, Olav. (2005) COX-2-hemmere og tolking av data. Tidsskrift for Den norske legeforening. volum 125.
  Letter to the editor
• Slørdal, Lars; Evensen, Sigurd; Spigset, Olav. (2005) Gjelder ikke primum non nocere lenger?. Tidsskrift for Den norske legeforening. volum 125.
  Short communication
• Spigset, Olav. (2005) Legemiddelanalyser for spesielt interesserte (bokanmeldelse). Tidsskrift for Den norske legeforening. volum 125.
  Book review
• Spigset, Olav. (2005) Legemiddelinteraksjoner og databaser. Tidsskrift for Den norske legeforening. volum 125.
  Letter to the editor
• Vanky, Eszter; Zahlsen, Kolbjørn; Spigset, Olav; Carlsen, Sven Magnus. (2005) Placental passage of metformin in women with polycystic ovary syndrome. Fertility and Sterility. volum 83.
  Letter to the editor
• Vanky, Eszter; Zahlsen, Kolbjørn; Spigset, Olav; Carlsen, Sven Magnus. (2005) Placental passage of metformin in women with polycystic ovary syndrome. Fertility and Sterility. volum 83 (5).
  Academic article
• Evensen, Sigurd; Spigset, Olav; Slørdal, Lars. (2005) COX-2-hemmere - ett skritt frem og to tilbake. Tidsskrift for Den norske legeforening.
  Academic article
• Nordeng, H; Spigset, Olav. (2005) Treatment with selective serotonin reuptake inhibitors in the third trimester of pregnancy - Effects on the infant. Drug Safety. volum 28.
  Academic literature review
• Nordeng, Hedvig; Spigset, Olav. (2005) Treatment with selective serotonin reuptake inhibitors in the third trimester in pregnancy: effects on the infant. Drug Safety. volum 28.
  Academic literature review
• Reimers, Arne; Brodtkorb, Eylert; Helde, Grethe; Spigset, Olav. (2005) Lamotrigine serum concentrations thorughout the menstrual cycle. Epilepsia. volum 46.
  Abstract
• Saltvedt, Ingvild; Spigset, Olav; Ruths, Sabine; Fayes, Peter; Kaasa, Stein; Sletvold, Olav. (2005) Patterns of drug prescription in a geriatric evaluation and management unit as compared with the general medical wards: a randomised study. European Journal of Clinical Pharmacology. volum 61.
  Academic article
• Slørdal, Lars; Spigset, Olav. (2005) Grunnlegende farmakokinetikk - absorpsjon. Tidsskrift for Den norske legeforening.
  Academic article
• Slørdal, Lars; Spigset, Olav. (2005) Grunnleggende farmakokinetikk – absorpsjon. Tidsskrift for Den norske legeforening. volum 125.
  Academic literature review
• Slørdal, Lars; Spigset, Olav. (2005) Grunnleggende farmakokinetikk – distribusjon. Tidsskrift for Den norske legeforening. volum 125.
  Academic literature review
• Spigset, Olav; Slørdal, Lars. (2005) Grunnleggende farmakokinetikk – eliminasjon. Tidsskrift for Den norske legeforening. volum 125.
  Academic literature review
• Spigset, Olav; Slørdal, Lars. (2005) Grunnleggende farmakokinetikk – likevekt. Tidsskrift for Den norske legeforening. volum 125.
  Academic literature review

2004

• Berle, Jan Øystein; Steen, Vidar M; Aamo, Trond O; Breilid, Harald; Zahlsen, Kolbjørn; Spigset, Olav. (2004) Breastfeeding during maternal antidepressant treatment with serotonin reuptake inhibitors: Infant exposure, clinical symptoms and cytochrome P450 genotypes. Journal of Clinical Psychiatry. volum 65.
  Academic article
• Berle, Jan Øystein; Steen, Vidar Martin; Aamo, Trond Oskar; Breilid, Harald; Zahlsen, Kollbjørn; Spigset, Olav. (2004) Breastfeeding during maternal antidepressant treatment with serotonin reuptake inhibitors: infant exposure, clinical symptoms, and cytochrome p450 genotypes. Journal of Clinical Psychiatry. volum 65.
  Academic article
• Furunes, Håvard; Slørdal, Lars; Spigset, Olav. (2004) Heroin - et nyttig analgetikum?. Tidsskrift for Den norske legeforening. volum 123 (24).
  Academic literature review
• Gjersvik, Petter; Spigset, Olav. (2004) Kort og godt om legemidler. Tidsskrift for Den norske legeforening. volum 124 (17).
  Editorial
• Güzey, Cüneyt; Spigset, Olav. (2004) Genotyping as a tool to predict adverse drug reactions. Current Topics in Medicinal Chemistry. volum 4.
  Academic literature review
• Hedenmalm, Karin; Samuelsson, Eva; Spigset, Olav. (2004) Pulmonary embolism associated with combined oral contraceptives: reporting incidences and potential risk factors for a fatal outcome. Acta Obstetricia et Gynecologica Scandinavica. volum 83.
  Academic article
• Rahm, Ingegerd; Spigset, Olav; Mjörndal, Tom. (2004) Dieting avd weight loss do not affect the platelet serotonin 5-HT2A receptor. European Neuropsychopharmacology. volum 14.
  Academic article
• Spigset, Olav; Hägg, Staffan. (2004) Nya antidepressiva läkemedel under graviditet och amning. Läkartidningen. volum 101 (13).
  Academic literature review
• Spigset, Olav; Mjörndal, Tom; Kristoffersson, Anders. (2004) Platelet serotonin 5-HT2A receptor binding in patients with carcinoid tumor. Scandinavian Journal of Clinical and Laboratory Investigation. volum 64.
  Academic article
• Wihlbäck, Anna-Karin; Sundström-Poromaa, Inger; Bixo, Marie; Allard, Per; Mjörndal, Tom; Spigset, Olav. (2004) Influence of menstrual cycle on platelet serotonin uptake site and serotonin2A receptor binding. Psychoneuroendocrinology. volum 29.
  Academic article
• Helland, Arne; Slørdal, Lars; Spigset, Olav. (2004) Problem forte - er kombinasjonen paracetamol og kodein rasjonell?. Tidsskrift for Den norske legeforening. volum 124 (16).
  Academic article
• Slørdal, Lars; Spigset, Olav; Helland, Arne; Rygnestad, Tarjei. (2004) Ikke-opioide analgetika ved akutte smerter: Hva virker best?. Tidsskrift for Den norske legeforening.
  Academic article

2003

• Berle, Jan Øystein; Spigset, Olav. (2003) Behandling av svangerskapsrelatert psykisk sykdom. Tidsskrift for Den norske legeforening. volum 123.
  Academic article
• Nordeng, Hedvig M Egeland; Spigset, Olav. (2003) Bruk av antipsykotika ved graviditet og amming. Tidsskrift for Den norske legeforening. volum 123 (15).
  Academic article
• Pleym, Hilde; Spigset, Olav. (2003) Gender differences in drug effects: implications for anesthesiologists. Acta Anaesthesiologica Scandinavica. volum 47.
  Academic article
• Slørdal, Lars; Samstad, Stein; Spigset, Olav. (2003) A life-threatening interaction between lithium and celecoxib. British Journal of Clinical Pharmacology. volum 55.
  Academic article
• Spigset, Olav. (2003) Declaration of fructose and fructose-related adverse effects in commercial drug preparations in European countries. Drug Safety. volum 26.
  Academic article
• Spigset, Olav. (2003) Valproic acid and risperidone: A drug interaction?. Journal of the American Academy of Child and Adolescent Psychiatry. volum 42.
  Academic article
• Spigset, Olav; Hägg, Staffan. (2003) Hepatic injury and pancreatitis during treatment with serotonin reuptake inhibitors. International Clinical Psychopharmacology. volum 18.
  Academic article
• Spigset, Olav; Hägg, Staffan. (2003) Long-term combination treatment woth clozapine and filgrastim in patients with clozapine-induced agranulocytosis. International Clinical Psychopharmacology. volum 18.
  Academic article
• Spigset, Olav; Hägg, Staffan. (2003) Olanzapine and venous thromboembolism. International Clinical Psychopharmacology. volum 18.
  Academic article
• Spigset, Olav; Nordeng, Hedvig. (2003) Bruk av antipsykotika ved graviditet og amming. Tidsskrift for Den norske legeforening. volum 123.
  Academic article
• Spigset, Olav; Slørdal, Lars. (2003) Heroin - et nyttig analgetikum?. Tidsskrift for Den norske legeforening. volum 123.
  Academic article
• Spigset, Olav; Slørdal, Lars. (2003) Hvilken informasjon gis om bivirkninger av nye legemidler?. Tidsskrift for Den norske legeforening. volum 123.
  Academic article
• Spigset, Olav; Slørdal, Lars. (2003) Selektive COX-2-hemmere - holdninger og forskrivningspraksis blant allmennpraktikere. Tidsskrift for Den norske legeforening. volum 123.
  Academic article

2002

• Brodtkorb, Eylert; Spigset, Olav. (2002) Interaksjoner med antiepileptika. Tidsskrift for Den norske legeforening. volum 20.
  Academic article
• Løkken, Per; Olsen, Ingar; Spigset, Olav. (2002) Antibioottien ja muiden laakkeiden yhteisvaikutukset. Suomen hammaslaakarilehti. volum IX (6).
  Academic article
• Løkken, Per; Olsen, Ingar; Spigset, Olav. (2002) Antibiotika - medikamentelle interaksjoner. Tandläkartidningen. volum 94 (1).
  Academic article
• Løkken, Per; Olsen, Ingar; Spigset, Olav. (2002) Antibiotika - medikamentelle interaksjoner. Den norske tannlegeforenings tidende. volum 112 (1).
  Academic article
• Løkken, Per; Olsen, Ingar; Spigset, Olav. (2002) Antibiotika - medikamentelle interaksjoner. Tandlægebladet. volum 106 (1).
  Academic article
• Spigset, Olav. (2002) Agranulocytosis and other blood dyscrasias associated with dipyrone (metamizole). European Journal of Clinical Pharmacology. volum 28.
  Academic article
• Spigset, Olav. (2002) Change from the CYP2D6 extensive metabolizer to the poor metabolizer phenotype during treatment with bupropion. Therapeutic Drug Monitoring. volum 24.
  Academic article
• Spigset, Olav. (2002) Glucose intolerance with atypical antipsychotics. Drug Safety. volum 25.
  Academic article

2001

• Bixo, Marie; Allard, Per; Bäckström, Torbjörn; Mjörndal, Tom; Nyberg, Svante; Spigset, Olav; Sundström-Poromaa, Inger. (2001) Binding of [3H]paroxetine to serotnin uptake sites and of [3H]lysergic acid diethylamide to 5-HT2A receptors in platelets from women with premenstrual dysphoric disorder during gonadotropin releasing hormone treatment. Psychoneuroendocrinology. volum 26.
  Academic article
• Buajordet, Marit; Spigset, Olav; Steinsvåg, Sverre K. (2001) Medikamentell rhinitt - viktig bivirkning. Tidsskrift for Den norske legeforening. volum 121 (18).
  Academic article
• Hägg, Staffan; Spigset, Olav; Bate, Andrew; Söderström, Torbjörn G. (2001) Myocarditis related to clozapine treatment. Journal of Clinical Psychopharmacology. volum 21 (4).
  Academic article
• Hägg, Staffan; Spigset, Olav; Dahlqvist, Rune. (2001) Influence of gender and oral contraceptives on CYP2D6 and CYP2C19 activity in healthy volunteers. British Journal of Clinical Pharmacology. volum 51.
  Academic article
• Hägg, Staffan; Spigset, Olav; Lakso, Hans-Åke; Dahlqvist, Rune. (2001) Olanxapine disposition in humans is unrelated to CYP1A2 and CYP2D6 dispositions. European Journal of Clinical Pharmacology. volum 57.
  Academic article
• Haux, Johan; Klepp, Olbjørn; Spigset, Olav; Tretli, Steinar. (2001) Digitoxin medication and cancer; case control and intenal dose-response studies. BMC Cancer. volum 1.
  Academic article
• Molaug, Per Ole; Spigset, Olav. (2001) Ett års skriftlig legemiddelinformasjon til en kommunelege. Tidsskrift for Den norske legeforening. volum 121 (5).
  Academic article
• Nordeng, Hedvig M Egeland; Bergsholm, Y. K.; Bøhler, Erik; Spigset, Olav. (2001) Overgang av selektive serotoninreopptakshemmere til morsmelk. Tidsskrift for Den norske legeforening. volum 121 (5).
  Academic article
• Nordeng, Hedvig M Egeland; Bøhler, Erik; Spigset, Olav. (2001) Overgang av selektive serotoninreopptakshemmere til morsmelk. Tidsskrift for Den norske legeforening. volum 121 (2).
  Academic article
• Nordeng, Hedvig M Egeland; Zahlsen, Z.; Spigset, Olav. (2001) Clinical note Transfer of carisoprodol to breast milk. Therapeutic Drug Monitoring.
  Academic article
• Nordeng, Hedvig; Bergsholm, Yngvild K; Bøhler, Erik; Spigset, Olav. (2001) Overgang av selektive serotoninreopptakshemmere til morsmelk. Tidsskrift for Den norske legeforening. volum 121 (2).
  Academic article
• Nordeng, Hedvig; Zahlsen, Kolbjørn; Spigset, Olav. (2001) Transfer of carisoprodol to breast milk. Therapeutic Drug Monitoring. volum 23.
  Academic article
• Slørdal, Lars; Spigset, Olav. (2001) NSAID-preparater til utvortes bruk - virker de, og bør de brukes?. Tidsskrift for Den norske legeforening. volum 121 (11).
  Academic article
• Spigset, Olav. (2001) Cytokrom P-450-systemet. Tidsskrift for Den norske legeforening. volum 121 (28).
  Academic article
• Spigset, Olav. (2001) DHEA - veien til evig ungdom?. Utposten. volum 30 (2).
  Academic article
• Spigset, Olav. (2001) Farmakologiske effekter av koffein. Tidsskrift for Den norske legeforening. volum 121 (26).
  Academic article
• Spigset, Olav. (2001) Invited comment to the article by Hori et al: Increased libido in a woman treated with fluvboxamine: a case report. Acta Psychiatrica Scandinavica. volum 103.
  Academic article
• Spigset, Olav; Axelsson, Sara; Norström, Åke; Hägg, Staffan; Dahlqvist, Rune. (2001) The major fluvoxamine metabolite in urine is formed by CYP2D6. European Journal of Clinical Pharmacology. volum 57.
  Academic article
• Spigset, Olav; Hägg, Staffan. (2001) Therapeutic approaches to bulimia nervosa. Expert Opinion on Therapeutic Patents. volum 11 (3).
  Academic article
• Spigset, Olav; Öström, Mats; Eriksson, Anders. (2001) Death resulting form asthma associated with sertraline "overdose". American Journal of Forensic Medicine and Pathology. volum 22 (4).
  Academic article
• Spigset, Olav; Slørdal, Lars. (2001) Reduserer statiner risikoen for oseoporose?. Tidsskrift for Den norske legeforening. volum 121 (9).
  Academic article
• Wihlbäck, Anna-Carin; Sundström-Poromaa, Inger; Allard, Per; Mjörndal, Tom; Spigset, Olav; Bäckström, Torbjörn. (2001) Influence of postmenopausal hormone replacement therapy on platelet serotonin uptake site and serotonin-2A receptor binding. Obstetrics and Gynecology. volum 98.
  Academic article
• Spigset, Olav; Viktil, Kirsten Kilvik. (2001) Etterlevelse av legemiddelbruk. Norsk legemiddelhåndbok for helsepersonell.
  Academic chapter/article/Conference paper

2000

• Bathen, Jørn; Spigset, Olav. (2000) Lang QT-tid som bivirkning - risiko for fatale arytmier. Tidsskrift for Den norske legeforening. volum 120.
  Academic article
• Berle, Jan Øystein; Spigset, Olav. (2000) Antidepressiva ved graviditet og amming. 2000. Hefte i serien "Depresjonshåndboken".
  Non-fiction book
• Gulbrandsen, Pål; Spigset, Olav. (2000) Legemidler i praksis. Tidsskrift for Den norske legeforening. volum 120.
  Academic article
• Güzey, Cüneyt; Aamo, Trond; Spigset, Olav. (2000) Risperidone metabolism and the impact of being a cytochrome P450 2D6 ultrarapid metabolizer. Journal of Clinical Psychiatry.
  Academic article
• Hägg, Sattfan; Spigset, Olav. (2000) Anticonvulsant use during lactation. Drug Safety. volum 22.
  Academic article
• Hägg, Staffan; Spigset, Olav; Mörndal, Tom; Dahlqvist, Rune. (2000) Effect of caffeine on clozapine pharmacokinetics in healthy volunteers. British Journal of Clinical Pharmacology. volum 49.
  Academic article
• Hägg, Staffan; Spigset, Olav; Söderström, Torbjörn G. (2000) Association of venous thromboembolism and clozapine. The Lancet. volum 355.
  Academic article
• Rygnestad, Tarjei; Spigset, Olav. (2000) Bruk av paracetamol til voksne. Tidsskrift for Den norske legeforening. volum 120.
  Academic article
• Slørdal, Lars; Spigset, Olav. (2000) Hypertensjon og hjertesvikt forårsaket av NSAID-preparater: Bivirkning av betydning?. Tidsskrift for Den norske legeforening. volum 120.
  Academic article
• Spigset, Olav. (2000) Fra konfeksjon til skreddersøm - fretidige muligheter for individuelt tilpasset legemiddelbehandling. Tidsskrift for Den norske legeforening. volum 120.
  Academic article
• Spigset, Olav. (2000) Naturlegemidlet johannesurt gir alvorlige interaksjoner med en rekke legemidler. Utposten.
  Academic article
• Spigset, Olav. (2000) Valg av analgetikum til ammende kvinner. Tidsskrift for Den norske legeforening. volum 120.
  Academic article
• Spigset, Olav. (2000) Vektøkning som legemiddelbivirkning. Tidsskrift for Den norske legeforening. volum 120.
  Academic article
• Spigset, Olav; Hägg, Staffan. (2000) Analgesics and breast-feeding. Pediatric Drugs. volum 2.
  Academic article
• Spigset, Olav; Hägg, Staffan; Stegmayr, Bernd; Dahlqvist, Rune. (2000) Citalopram pharmacokinetics in patients with chronic renal failure and the effect of haemodialysis. European Journal of Clinical Pharmacology. volum 56.
  Academic article
• Spigset, Olav; Wilhelmsson, Christer; Mjörndal, Tom; Eriksson, Sture. (2000) Low serum sodium concentrations during treatment with citalopram in elderly patients: Relationship to serum citalopram levels and to platelet 5-HT2A receptor status. Journal of Clinical Psychopharmacology.
  Academic article
• Sundgren, Margit; Hedenmalm, Karin; Spigset, Olav. (2000) Confirmation of urinary benzodiazepines using solid-phase extraction and GC/MS. Analytical Pharmacology. volum 1.
  Academic article

1999

• Hägg, Satffan; Spigset, Olav; Edwardsson, Håkan; Björk, Henrik. (1999) Prologned sedation and slowly decreasing clozapine serum concentrations after an overdose. Journal of Clinical Psychopharmacology. volum 19.
  Academic article
• Hägg, Staffan; Spigset, Olav; Mjörndal, Tom; Granberg, Kerstin; Persbo-Lundqvist, Gunnel; Dahlqvist, Rune. (1999) Absence of interaction between erythromycin and a single dose of clozapine. European Journal of Clinical Pharmacology. volum 55.
  Academic article
• Mårtensson, Björn; Spigset, Olav. (1999) Drug treatment of depression. Western Journal of Medicine. volum 171.
  Academic article
• Norlen, Maria; Norström, Åke; Spigset, Olav; Allard, Per. (1999) [3H]GBR binding in platelets from poor and extensive cytochrome P-4502D6 metabolizers. European Journal of Pharmacology. volum 366.
  Academic article
• Öhman, Robert; Hägg, Staffan; Carleborg, Lena; Spigset, Olav. (1999) Excretion of paroxetine into breast milk. Journal of Clinical Psychiatry. volum 60.
  Academic article
• Pleym, Hilde; Bathen, J; Spigset, Olav; Gisvold, Sven Erik. (1999) Ventricular fibrillation related to reversal of the neuromuscular blockade in a patient with long QT syndrome. Acta Anaesthesiologica Scandinavica. volum 43.
  Academic article
• Pleym, Hilde; Bathen, Jørn; Spigset, Olav; Gisvold, Sven Erik. (1999) Ventricular fibrillation related to reversal of the neuromuscular blockade in a patient with long QT syndrome. Acta Anaesthesiologica Scandinavica. volum 43.
  Academic article
• Rygnestad, Tarjei; Fredriksen, Gunn; Spigset, Olav. (1999) Parallellimport av legemidler. Tidsskrift for Den norske legeforening. volum 119.
  Feature article
• Sigurdh, Jeanette; Spigset, Olav; Allard, Per; Mjörndal, Tom; Hägglöf, Bruno. (1999) Binding of [3H]lysergic acid diethylamide to serotonin 5-HT2A receptors and of [3H]paroxetine to serotonin uptake sites in platelets from healthy children, adolescents and adults. Neuropsychobiology. volum 40.
  Academic article
• Spigset, Olav. (1999) Adverse reactions of selective serotonin reuptake inhibitors. Drug Safety. volum 20.
  Academic article
• Spigset, Olav. (1999) Invited comment to "A puzzling case of seizures and visual hallucinations during clomipramine treatment with a high dose but causing a low serum concenatrtion". Acta Psychiatrica Scandinavica. volum 99.
  Academic article
• Spigset, Olav; Hägg, Staffan; Söderström, Emma; Dahlqvist, Rune. (1999) Lack of correlation between fluvoxamine clearance and CYP1A2 activity as measured by systemic caffeine clearance. European Journal of Clinical Pharmacology. volum 54.
  Academic article
• Spigset, Olav; Hägg, Staffan; Söderström, Emma; Dahlqvist, Rune. (1999) The paraxanthine/caffeine ratio in serum or in saliva as a measure of CYP1A2 activity: When should the sample be obtained?. Pharmacogenetics (London). volum 9.
  Academic article
• Spigset, Olav; Mjörndal, Tom. (1999) Increased glucose intolerance related to digoxin treatment in patients with type 2 diabetes mellitus. Journal of Internal Medicine. volum 246.
  Academic article
• Spigset, Olav; Mårtensson, Björn. (1999) Drug treatment of depression. BMJ. British Medical Journal. volum 318.
  Academic article
• Sundström, Inger; Spigset, Olav; Andresson, A; Appelblad, Patrick; Bäckström, Torbjörn. (1999) Lack of influence of menstrual cycle and premenstrual syndrome diagnosis on pregnanolone pharmacokinetics. European Journal of Clinical Pharmacology. volum 55.
  Academic article

1998

• Dale, Ola; Spigset, Olav. (1998) Medisin/bivirkning 1 : ikke bare forsømt rapportering. Aftenposten (morgenutg. : trykt utg.).
  Feature article
• Dale, Ola; Spigset, Olav. (1998) Medisiner og bivirkninger - forsømt rapportering. Aftenposten (morgenutg. : trykt utg.).
  Feature article
• Dale, Ola; Spigset, Olav. (1998) Medisiner og bivirkninger - forsømt rapportering. Aftenposten (morgenutg. : trykt utg.).
  Feature article
• Dale, Ola; Spigset, Olav. (1998) Medisiner/bivirkninger : det lekker ikke i regionene!. Aftenposten (morgenutg. : trykt utg.).
  Feature article
• Dale, Ola; Spigset, Olav. (1998) Medisiner/bivirkninger : det lekker ikke i regionene!. Aftenposten (morgenutg. : trykt utg.).
  Feature article
• Dale, Ola; Spigset, Olav. (1998) Medisiner/bivirkninger : regionalt prøveprosjekt vil gi svar. Aftenposten (morgenutg. : trykt utg.).
  Feature article
• Dale, Ola; Spigset, Olav. (1998) Medisiner/bivirkninger : regionalt prøveprosjekt vil gi svar. Aftenposten (morgenutg. : trykt utg.).
  Feature article
• Ola, Dale; Spigset, Olav. (1998) Medisin/bivirkninger 1 : ikke bare forsømt rapportering. Aftenposten (morgenutg. : trykt utg.).
  Feature article
• Spigset, Olav. (1998) Antidepressiver og amming : nyere data. Tidsskrift for Den norske legeforening. volum 118 (1).
  Feature article
• Spigset, Olav. (1998) Are adverse drug reactions attributed to fluvoxamine caused by concomitant intake of caffeine?. European Journal of Clinical Pharmacology. volum 54.
  Academic article
• Spigset, Olav. (1998) Hyponatrem biverkning av seretoninupptagshämmare. Läkartidningen. volum 95 (34).
  Academic article
• Spigset, Olav. (1998) Hyponatremi som bivirkning av selektive serotoninreopptakshemmere?. Utposten. volum 27 (2).
  Feature article
• Spigset, Olav. (1998) Kan man stole på legemiddelreklamen?. Tidsskrift for Den norske legeforening. volum 118 (30).
  Academic article
• Spigset, Olav. (1998) Legemiddelutløste leverskader. Tidsskrift for Den norske legeforening. volum 118 (18).
  Feature article
• Spigset, Olav. (1998) Nye rusmidler - nye diagnostiske utfordringer. Tidsskrift for Den norske legeforening. volum 118 (28).
  Feature article
• Spigset, Olav. (1998) Selektive serotoninreopptakshemmere og interaksjoner. Tidsskrift for Den norske legeforening. volum 118 (18).
  Feature article
• Spigset, Olav; Hägg, Staffan. (1998) Excretion of psychotropic drugs into breast milk. CNS Drugs. volum 9 (2).
  Academic article

1996

• Nordeng, Hedvig M Egeland; Spigset, Olav. (1996) Hormonell (endokrin) behandling av brystkreft. Legemidler og bruken av dem.
  Academic chapter/article/Conference paper