2021

• Ekelund, Louise; Gloppen, Inga; Øien, Torbjørn; Simpson, Melanie Rae. (2021) Duration of breastfeeding, age at introduction of complementary foods and allergy-related diseases: a prospective cohort study. International Breastfeeding Journal.
  Academic article
• Schei, Kasper; Avershina, Ekaterina; Øien, Torbjørn; Rudi, Knut; Follestad, Turid; Salamati, Saideh; Ødegård, Rønnaug. (2021) Correction to: Early gut mycobiota and mother-offspring transfer. Microbiome. volum 9.
  Errata
• Schei, Kasper; Simpson, Melanie Rae; Øien, Torbjørn; Salamati, Saideh; Rudi, Knut; Ødegård, Rønnaug. (2021) Allergy-related diseases and early gut fungal and bacterial microbiota abundances in children. Clinical and Translational Allergy. volum 11 (5).
  Academic article
• Østrem, Anders; Øien, Torbjørn. (2021) Fastlegen kan behandle allergi med immunterapi. Tidsskrift for Den norske legeforening. volum 141 (5).
  Academic article

2020

• Avershina, Ekaterina; Larsen, Marte Gro; Aspholm, Marina Elisabeth; Lindbäck, Toril; Storrø, Ola; Øien, Torbjørn; Johnsen, Roar; Rudi, Knut. (2020) Culture dependent and independent analyses suggest a low level of sharing of endospore-forming species between mothers and their children. Scientific Reports.
  Academic article
• Avershina, Ekaterina; Larsen, Marte Gro; Aspholm, Marina Elisabeth; Lindbäck, Toril; Storrø, Ola; Øien, Torbjørn; Johnsen, Roar; Rudi, Knut. (2020) Culture dependent and independent analyses suggest a low level of sharing of endospore-forming species between mothers and their children. Scientific Reports. volum 10.
  Academic article
• Schei, Kasper; Simpson, Melanie Rae; Avershina, Ekaterina; Rudi, Knut; Øien, Torbjørn; Juliusson, Petur Benedikt; Underhill, David; Salamati, Saideh; Ødegård, Rønnaug. (2020) Early gut fungal and bacterial microbiota and childhood growth. Frontiers in pediatrics. volum 8.
  Academic article

2019

• Hiseni, Pranvera; Wilson, Robert Charles; Storrø, Ola; Johnsen, Roar; Øien, Torbjørn; Rudi, Knut. (2019) Liquid array diagnostics: A novel method for rapid detection of microbial communities in single-tube multiplex reactions. BioTechniques. volum 66 (3).
  Academic article
• Øien, Torbjørn; Schjelvaag, Astrid; Storrø, Ola; Johnsen, Roar; Simpson, Melanie Rae. (2019) Fish Consumption at One Year of Age Reduces the Risk of Eczema, Asthma and Wheeze at Six Years of Age. Nutrients. volum 11 (9).
  Academic article

2018

• Avershina, Ekaterina; Angell, Inga Leena; Simpson, Melanie Rae; Storrø, Ola; Øien, Torbjørn; Johnsen, Roar; Rudi, Knut. (2018) Low maternal microbiota sharing across gut, breast milk and vagina, as revealed by 16s rRNA gene and reduced metagenomic sequencing. Genes. volum 9:231 (5).
  Academic article
• Lauritzen, Hilde Brun; Larose, Tricia L; Øien, Torbjørn; Sandanger, Torkjel M; Odland, Jon Øyvind; van de Bor, Margot; Jacobsen, Geir Wenberg. (2018) Prenatal exposure to persistent organic pollutants and child overweight/obesity at 5-year follow-up: A prospective cohort study. Environmental health. volum 17 (9).
  Academic article

2017

• Avershina, Ekaterina; Cabrera, Rubio Raul; Lundgård, Krister; Perez Martines, Gaspar; Collado, Maria Carmen; Storrø, Ola; Øien, Torbjørn; Dotterud, Christian; Johnsen, Roar; Rudi, Knut. (2017) Effect of probiotics in prevention of atopic dermatitis is dependent on the intrinsic microbiota at early infancy. Journal of Allergy and Clinical Immunology. volum 139 (4).
  Academic article
• Avershina, Ekaterina; Slangsvold, Silje; Simpson, Melanie Rae; Storrø, Ola; Johnsen, Roar; Øien, Torbjørn; Rudi, Knut. (2017) Diversity of vaginal microbiota increases by the time of labor onset. Scientific Reports. volum 7 (1).
  Academic article
• Lauritzen, Hilde Brun; Larose, Tricia L; Øien, Torbjørn; Sandanger, Torkjel M; Odland, Jon Øyvind; van de Bor, Margot; Jacobsen, Geir Wenberg. (2017) Maternal serum levels of perfluoroalkyl substances and organochlorines and indices of fetal growth: a Scandinavian case-cohort study. Pediatric Research. volum 81 (1).
  Academic article
• Rø, Anne Dorthea; Simpson, Melanie Rae; Rø, Torstein Baade; Storrø, Ola; Johnsen, Roar; Videm, Vibeke; Øien, Torbjørn. (2017) Reduced Th22 cell proportion and prevention of atopic dermatitis in infants following maternal probiotic supplementation. Clinical and Experimental Allergy. volum 47 (8).
  Academic article
• Schei, Kasper; Avershina, Ekaterina; Øien, Torbjørn; Rudi, Knut; Follestad, Turid; Salamati, Saideh; Ødegård, Rønnaug. (2017) Early gut mycobiota and mother-offspring transfer. Microbiome. volum 5 (1).
  Academic article
• Simpson, Melanie Rae; Avershina, Ekaterina; Storrø, Ola; Johnsen, Roar; Rudi, Knut; Øien, Torbjørn. (2017) Breastfeeding associated microbiota in human milk following supplementation with Lactobacillus rhamnosus GG, Lactobacillus acidophilus La-5 and Bifidobacterium animalis subspecies lactis Bb-12. Journal of Dairy Science (JDS). volum 101 (2).
  Academic article

2016

• Avershina, Ekaterina; Lundgård, Krister; Sekelja, Monika; Dotterud, Christian; Storrø, Ola; Øien, Torbjørn; Johnsen, Roar; Rudi, Knut. (2016) Transition from infant- to adult-like gut microbiota. Environmental Microbiology. volum 18 (7).
  Academic article
• Lauritzen, Hilde Brun; Larose, Tricia L; Øien, Torbjørn; Odland, Jon Øyvind; van de Bor, Margot; Jacobsen, Geir Wenberg; Sandanger, Torkjel M. (2016) Factors associated with maternal serum levels of perfluoroalkyl substances and organochlorines: A descriptive study of parous women in Norway and Sweden. PLOS ONE. volum 11 (11).
  Academic article
• Simpson, Melanie Rae; Rø, Anne Dorthea; Grimstad, Øystein; Johnsen, Roar; Storrø, Ola; Øien, Torbjørn. (2016) Atopic dermatitis prevention in children following maternal probiotic supplementation does not appear to be mediated by breast milk TSLP or TGF-β. Clinical and Translational Allergy. volum 6 (27).
  Academic article
• Simpson, Melanie Rae; Øien, Torbjørn. (2016) Probiotiske bakterier i forebygging av atopisk dermatitt. Hud og Helse.
  Popular scientific article
• Simpson, Melanie Rae; Øien, Torbjørn. (2016) Probiotiske bakterier i forebygging av atopisk dermatitt. BestPractice Dermatologi.
  Article
• Øien, Torbjørn; Nylund, Anne; Eriksen, Kaja Sørgård; Espnes, Geir Arild; Fors, Egil Andreas; Forsmo, Siri; Hilt, Bjørn; Indredavik, Marit Sæbø; Krokstad, Steinar; Kulseng, Bård Eirik; Mo, Rune; Pape, Kristine; Pettersen, Betty; Sletvold, Olav; Ødegård, Rønnaug. (2016) Helsefremming og forebygging som tråd gjennom profesjonsstudiet i medisin. 2016.
  Report

2015

• Avershina, Ekaterina; Ravi, Anuradha; Storrø, Ola; Øien, Torbjørn; Johnsen, Roar; Rudi, Knut. (2015) Potential association of vacuum cleaning frequency with an altered gut microbiota in pregnant women and their 2-year-old children. Microbiome. volum 3 (65).
  Academic article
• Dotterud, Christian; Avershina, Ekaterina; Sekelja, Monika; Simpson, Melanie Rae; Rudi, Knut; Storrø, Ola; Johnsen, Roar; Øien, Torbjørn. (2015) Does maternal perinatal probiotic supplementation alter the intestinal microbiota of mother and child?. Journal of Pediatric Gastroenterology and Nutrition - JPGN. volum 61 (2).
  Academic article
• Ravi, Anuradha; Avershina, Ekaterina; Foley, Steven L.; Ludvigsen, Jane; Storrø, Ola; Øien, Torbjørn; Johnsen, Roar; McCartney, Anne; L'Abee-Lund, Trine Marie; Rudi, Knut. (2015) The commensal infant gut meta-mobilome as a potential reservoir for persistent multidrug resistance integrons. Scientific Reports. volum 5:15317.
  Academic article
• Schanche, Melissa; Avershina, Ekaterina; Dotterud, Christian Kvikne; Øien, Torbjørn; Storrø, Ola; Johnsen, Roar; Rudi, Knut. (2015) High-Resolution Analyses of Overlap in the Microbiota Between Mothers and Their Children. Current Microbiology. volum 71 (2).
  Academic article
• Simpson, Melanie Rae; Brede, Gaute; Johansen, Jostein; Johnsen, Roar; Storrø, Ola; Sætrom, Pål; Øien, Torbjørn. (2015) Human breast milk miRNA, maternal probiotic supplementation and atopic dermatitis in offspring. PLOS ONE. volum 10:e0143496 (12).
  Academic article
• Simpson, Melanie Rae; Dotterud, Christian Kvikne; Storrø, Ola; Johnsen, Roar; Øien, Torbjørn. (2015) Perinatal probiotic supplementation in the prevention of allergy related disease: 6 year follow up of a randomised controlled trial. BMC Dermatology. volum 15 (13).
  Academic article

2014

• Bakke, Ingunn; Mattsson, Erney; Nordrum, Ivar Skjåk; Nylund, Anne; Pukstad, Brita; Reitan, Solveig Merete Klæbo; Samstad, Eivind; Øien, Torbjørn. (2014) En fornyet og fremtidsrettet legeutdanning ved NTNU (Forfatterlisten er alfabetisk). 2014.
  Report
• Avershina, Ekaterina; Storrø, Ola; Øien, Torbjørn; Johnsen, Roar; Pope, Phil; Rudi, Knut. (2014) Major faecal microbiota shifts in composition and diversity with age in a geographically restricted cohort of mothers and their children. FEMS Microbiology Ecology. volum 87 (1).
  Academic article
• Rø, Anne Dorthea; Simpson, Melanie Rae; Storrø, Ola; Johnsen, Roar; Videm, Vibeke; Øien, Torbjørn. (2014) The predictive value of allergen skin prick tests and IgE tests at pre-school age: The PACT study. Pediatric Allergy and Immunology. volum 25 (7).
  Academic article

2013

• Avershina, Ekaterina; Storrø, Ola; Øien, Torbjørn; Johnsen, Roar; Wilson, Robert; Egeland, Thore; Rudi, Knut. (2013) Bifidobacterial Succession and Correlation Networks in a Large Unselected Cohort of Mothers and Their Children. Applied and Environmental Microbiology. volum 79 (2).
  Academic article
• Dotterud, Christian Kvikne; Storrø, Ola; Simpson, Melanie Rae; Johnsen, Roar; Øien, Torbjørn. (2013) The impact of pre- and postnatal exposures on allergy related diseases in childhood: a controlled multicentre intervention study in primary health care. BMC Public Health. volum 13.
  Academic article

2012

• Rudi, Knut; Storrø, Ola; Øien, Torbjørn; Johnsen, Roar. (2012) Modelling bacterial transmission in human allergen-specific IgE sensitization. Letters in Applied Microbiology. volum 54 (5).
  Academic article
• Rø, Anne Dorthea; Saunes, Marit; Smidesang, Ingeborg; Storrø, Ola; Øien, Torbjørn; Moen, Torolf; Johnsen, Roar. (2012) Agreement of specific IgE and skin prick test in an unselected cohort of two-year-old children. European Journal of Pediatrics. volum 171 (3).
  Academic article
• Saunes, Marit; Øien, Torbjørn; Dotterud, Christian Kvikne; Romundstad, Pål Richard; Storrø, Ola; Holmen, Turid Lingaas; Johnsen, Roar. (2012) Early eczema and the risk of childhood asthma: a prospective, population-based study. BMC Pediatrics. volum 12.
  Academic article

2011

• de Muinck, Eric; Øien, Torbjørn; Storrø, Ola; Johnsen, Roar; Stenseth, Nils Christian; Rønningen, Kjersti Skjold; Rudi, Knut. (2011) Diversity, transmission and persistence of Escherichia coli in a cohort of mothers and their infants. Environmental Microbiology Reports. volum 3 (3).
  Academic article
• Saunes, Marit; Øien, Torbjørn; Storrø, Ola; Johnsen, Roar. (2011) Family eczema-history in 2-year-olds with eczema; a prospective, population-based study. The PACT-study, Norway. BMC Dermatology. volum 11.
  Academic article
• Storrø, Ola; Øien, Torbjørn; Langsrud, Øyvind; Rudi, Knut; Dotterud, Christian Kvikne; Johnsen, Roar. (2011) Temporal variations in early gut microbial colonization are associated with allergen-specific immunoglobulin E but not atopic eczema at 2 years of age. Clinical and Experimental Allergy. volum 41 (11).
  Academic article
• Vebø, Heidi; Sekelja, Monika; Nestestog, Ragnhild; Storrø, Ola; Johnsen, Roar; Øien, Torbjørn; Rudi, Knut. (2011) Temporal Development of the Infant Gut Microbiota in Immunoglobulin E-Sensitized and Nonsensitized Children Determined by the GA-Map Infant Array. Clinical and Vaccine Immunology. volum 18 (8).
  Academic article

2010

• Dotterud, Christian; Storrø, Ola; Johnsen, Roar; Øien, Torbjørn. (2010) Probiotics in pregnant women to prevent allergic disease: a randomized, double-blind trial. British Journal of Dermatology. volum 163 (3).
  Academic article
• Smidesang, Ingeborg; Saunes, Marit; Storrø, Ola; Øien, Torbjørn; Holmen, Turid Lingaas; Johnsen, Roar; Henriksen, Anne Hildur. (2010) Allergy related disorders among 2-yrs olds in a general population. The PACT Study. Pediatric Allergy and Immunology. volum 21 (2).
  Academic article
• Storrø, Ola; Øien, Torbjørn; Dotterud, Christian; Jenssen, Jon Andreas; Johnsen, Roar. (2010) A primary health-care intervention on pre- and postnatal risk factor behavior to prevent childhood allergy. The Prevention of Allergy among Children in Trondheim (PACT) study. BMC Public Health. volum 10.
  Academic article
• Øien, Torbjørn. (2010) Challenges in primary prevention of allergy The Prevention of Allergy among Children in Trondheim (PACT) study. 2010. ISBN 978-82-471-2048-4.
  PhD thesis
• Øien, Torbjørn. (2010) Hvem rammes av atopisk eksem? Og hvorfor?. Medisinsk informasjon.
  Popular scientific article
• Øien, Torbjørn. (2010) Kan fisk og fiskeolje tidlig i livet forebygge allergi og astma?. Fagbladet Allergi i praksis.
  Article
• Øien, Torbjørn; Storrø, Ola; Johnsen, Roar. (2010) Do early intake of fish and fish oil protect against eczema and doctor-diagnosed asthma at 2 years of age? A cohort study. Journal of Epidemiology and Community Health. volum 64 (2).
  Academic article

2009

• Dotterud, Christian Kvikne; Øien, Torbjørn; Storrø, Ola; Johnsen, Roar. (2009) Probiotic supplementation given to mothers in primary prevention of allergic diseases in early childhood - a randomised, double-blind, placebo-controlled trial in a nonselected population. Allergy. European Journal of Allergy and Clinical Immunology. volum 64.
  Summary/Abstract
• Fasting, Magnus Hølmo; Øien, Torbjørn; Storrø, Ola; Nilsen, Tom Ivar Lund; Johnsen, Roar; Vik, Torstein. (2009) Maternal smoking cessation in early pregnancy and offspring weight status at four years of age. A prospective birth cohort study. Early Human Development. volum 85.
  Academic article

2008

• Haugan, Tommy; Bakken, Inger Johanne; Storrø, Ola; Øien, Torbjørn; Langhammer, Arnulf. (2008) Utvikling i diagnostisering og helsetjenesteforbruk ved obstruktiv lungesykdom. Tidsskrift for Den norske legeforening. volum 128 (21).
  Academic article
• Fasting, Magnus Hølmo; Øien, Torbjørn; Storrø, Ola; Nilsen, Tom Ivar Lund; Johnsen, Roar; Vik, Torstein. (2008) Maternal smoking cessation in early pregnancy and offspring weight status at four years of age: A prospective birth cohort study. Archives of Disease in Childhood.
  Summary/Abstract
• Smidesang, Ingeborg; Saunes, Marit; Storrø, Ola; Øien, Torbjørn; Holmen, T; Johnsen, Roar; Henriksen, A. (2008) Population based prevalence of allergic disorders and allergen sensitisation in 2-year olds. The Prevention of Atopy among Children in Trondheim (PACT) study. Allergy. European Journal of Allergy and Clinical Immunology. volum 63.
  Summary/Abstract
• Smidesang, Ingeborg; Saunes, Marit; Storrø, Ola; Øien, Torbjørn; Holmen, Turid Lingaas; Johnsen, Roar; Henriksen, Anne Hildur. (2008) Atopic dermatitis among 2-year olds; high prevalence, but predominantly mild disease - The PACT study, Norway. Pediatric dermatology. volum 25 (1).
  Academic article
• Øien, Torbjørn; Storrø, Ola; Jenssen, Jon Andreas; Johnsen, Roar. (2008) The impact of a minimal smoking cessation intervention for pregnant women and their partners on perinatal smoking behaviour in primary health care: a real-life controlled study. BMC Public Health. volum 8.
  Academic article
• Øien, Torbjørn; Storrø, Ola; Johnsen, Roar. (2008) Assessing atopic disease in children two to six years old: reliability of a revised questionnaire. Primary Care Respiratory Journal. volum 17 (3).
  Academic article

2007

• Smidesang, Ingeborg; Saunes, Marit; Storrø, Ola; Øien, Torbjørn; Holmen, Turid Lingaas; Johnsen, Roar; Henriksen, Anne Hildur. (2007) Prevalence and severity of atopic dermatitis in a population based study of two year old children in Trondheim, Norway 2005. Pediatric dermatology.
  Academic article

2006

• Storrø, Ola; Øien, Torbjørn; Johnsen, Roar. (2006) Barneallergistudien i Trondheim - PACT: Hva kan vi lære av intervensjonsstudien?. Fagbladet Allergi i praksis.
  Popular scientific article
• Øien, Torbjørn; Storrø, Ola; Johnsen, Roar. (2006) Intestinal microbiota and its effect on the immune system - A nested case-cohort study on prevention of atopy among small children in Trondheim: The IMPACT study. Contemporary Clinical Trials. volum 27.
  Academic article

2003

• Jensen, Svein Arthur; Øien, Torbjørn; Jacobsen, Geir; Johnsen, Roar. (2003) [Erroneous drug charts: a health hazard?]. Tidsskrift for Den norske legeforening. volum 123 (24).
  Academic article
• Jensen, Svein Arthur; Øien, Torbjørn; Jacobsen, Geir; Johnsen, Roar. (2003) [Erroneous drug charts: a health hazard?]. Tidsskrift for Den norske legeforening. volum 123 (24).
  Academic article

2001

• Jenssen, Jon Andreas; Storrø, Ola; Øien, Torbjørn; Johnsen, Roar. (2001) Barneallergistudien i Trondheim. Fagbladet Allergi i praksis.
  Popular scientific article