2025

• Lundanes, Julianne; Nes, Vilde Fiske; Aakervik, Oda; Ryan, Liv; Hansson, Patrik; Rokstad, Anne Mari A.. (2025) Changes in Cytokines and Fibrotic Growth Factors after Low-Carbohydrate or Low-Fat Low-Energy Diets in Females with Lipedema. Current Developments in Nutrition (CDN)
  Academic article
• Barkhall, Eirin Rosø; Tro, Johanne; Sandvik, Jorunn; Nymo, Siren; Kulseng, Bård Eirik; Johnsen, Gjermund. (2025) Lipid Changes 10–15 Years After Roux-en-Y Gastric Bypass: A Prospective Observational Study. Obesity Surgery
  Academic article
• Nymo, Siren; Lundanes, Julianne; Rehfeld, Jens Frederik; Holst, Jens Juul; Madsbad, Sten; Dirksen, Carsten. (2025) Homeostatic Appetite and Hedonic Hunger 13 Years After Roux-en-Y Gastric Bypass: Potential Associations and Predictive Value in Determining Long-Term Weight Loss Outcomes. Obesity Surgery
  Academic article
• Hyldmo, Åsne Ask; Hoff, Dag Arne Lihaug; Wibe, Arne; Bjerkan, Kirsti Kverndokk; Nymo, Siren; Johnsen, Gjermund. (2025) Chronic Abdominal Pain and Gastrointestinal Symptoms 12 Years After Primary Roux-en-Y Gastric Bypass: A Cross-Sectional Controlled Study. Obesity Surgery
  Academic article

2024

• Bjerkan, Kirsti Kverndokk; Sandvik, Jorunn; Nymo, Siren; Johnsen, Gjermund; Hyldmo, Åsne Ask; Kulseng, Bård Eirik. (2024) Postbariatric hypoglycemia, abdominal pain and gastrointestinal symptoms after Roux-en-Y gastric bypass explored by continuous glucose monitoring. Obesity Research and Clinical Practice
  Academic article
• Brudeseth, Simen; Sandvik, Jorunn; Nymo, Siren; Johnsen, Gjermund; Kulseng, Bård Eirik; Hoff, Dag Arne Lihaug. (2024) The Prevalence of Bradycardia 12 Years After Roux-en-Y Gastric Bypass for Severe Obesity. Obesity Surgery
  Academic article
• Huke, Camilla Johannesen; Romsaas, Therese; Vanky, Eszter Ilona; Huse, Karoline Evjen; Ødegård, Rønnaug Astri; Nymo, Siren. (2024) The impact of obesity surgery on newborn anthropometrics in women with and without polycystic ovary syndrome. Archives of Gynecology and Obstetrics
  Academic article
• Lundanes, Julianne; Storliløkken, Gunnhild Eggen; Solem, Marte Siwsdotter; Dankel, Simon N; Tangvik, Randi Julie; Ødegård, Rønnaug Astri. (2024) Gastrointestinal hormones and subjective ratings of appetite after low-carbohydrate vs low-fat low-energy diets in females with lipedema - A randomized controlled trial. Clinical Nutrition ESPEN
  Academic article
• Lundanes, Julianne; Sandnes, Frida Huhta; Gjeilo, Kari Hanne; Hansson, Karl Patrik; Salater, Sissel; Alho Letra Martins, Catia Patricia. (2024) Effect of a low-carbohydrate diet on pain and quality of life in female patients with lipedema: a randomized controlled trial. Obesity
  Academic article
• Lundanes, Julianne; Gårseth, Mari; Taylor, Shannon; Crescenzi, Rachelle; Pridmore, Michael; Wagnild, Rune. (2024) The effect of a low-carbohydrate diet on subcutaneous adipose tissue in females with lipedema. Frontiers in Nutrition
  Academic article

2023

• Nymo, Siren; Lundanes, Julianne; Eriksen, Kevin; Aukan, Marthe Isaksen; Rehfeld, Jens Frederik; Holst, Jens Juul. (2023) Suboptimal Weight Loss 13 Years After Roux-en-Y Gastric Bypass Is Associated with Blunted Appetite Response. Obesity Surgery
  Academic article
• Alho Letra Martins, Catia Patricia; Nymo, Siren; Aukan, Marthe Isaksen; Røkenes, Jessica Ann; Coutinho, Sílvia; Hunter, Gary R. (2023) Association between ß-Hydroxybutyrate Plasma Concentrations after Hypocaloric Ketogenic Diets and Changes in Body Composition. Journal of Nutrition
  Academic article
• Aukan, Marthe Isaksen; Skårvold, Silje; Brandsæter, Ingrid Øfsti; Rehfeld, Jens Frederik; Holst, Jens Juul; Nymo, Siren. (2023) Gastrointestinal hormones and appetite ratings after weight loss induced by diet or bariatric surgery. Obesity
  Academic article
• Bjerkan, Kirsti Kverndokk; Sandvik, Jorunn; Nymo, Siren; Græslie, Hallvard; Johnsen, Gjermund; Mårvik, Ronald. (2023) Vitamin and Mineral Deficiency 12 Years After Roux-en-Y Gastric Bypass a Cross-Sectional Multicenter Study. Obesity Surgery
  Academic article
• Alho Letra Martins, Catia Patricia; Nymo, Siren; Coutinho, Sílvia; Rehfeld, Jens F.; Hunter, Gary R.; Gower, Barbara A.. (2023) Association between Fat-Free Mass Loss, Changes in Appetite, and Weight Regain in Individuals with Obesity. Journal of Nutrition
  Academic article

2022

• Aukan, Marthe Isaksen; Brandsæter, Ingrid Øfsti; Skårvold, Silje; Finlayson, Graham; Nymo, Siren; Coutinho, Silvia. (2022) Endring i hedonisk sult og matbelønning etter vekttap. Norsk tidsskrift for ernæring (NTFE)
  Abstract
• Nymo, Siren; Lundanes, Julianne; Aukan, Marthe Isaksen; Sandvik, Jorunn; Johnsen, Gjermund; Græslie, Hallvard. (2022) Diet and physical activity are associated with suboptimal weight loss and weight regain 10–15 years after Roux-en-Y gastric bypass: A cross-sectional study. Obesity Research and Clinical Practice
  Academic article
• Bjerkan, Kirsti Kverndokk; Sandvik, Jorunn; Nymo, Siren; Græslie, Hallvard; Johnsen, Gjermund; Mårvik, Ronald. (2022) The Long-Term Impact of Postoperative Educational Programs on Weight Loss After Roux-en-Y Gastric Bypass. Obesity Surgery
  Academic article
• Belgau, Ingrid Martine; Johnsen, Gjermund; Græslie, Hallvard; Mårvik, Ronald; Nymo, Siren; Bjerkan, Kirsti Kverndokk. (2022) Frequency of cholelithiasis in need of surgical or endoscopic treatment a decade or more after Roux-en-Y gastric bypass. Surgical Endoscopy
  Academic article
• Nymo, Siren; Lundanes, Julianne; Aukan, Marthe Isaksen; Sandvik, Jorunn; Johnsen, Gjermund; Græslie, Hallvard. (2022) Diet and physical activity are associated with suboptimal weight loss and weight regain 10–15 years after Roux-en-Y gastric bypass: A cross-sectional study. Obesity Research and Clinical Practice
  Academic article
• Aukan, Marthe Isaksen; Brandsæter, Ingrid Øfsti; Skårvold, Silje; Finlayson, Graham; Nymo, Siren; Coutinho, Silvia. (2022) Changes in hedonic hunger and food reward after a similar weight loss induced by a very low-energy diet or bariatric surgery. Obesity
  Academic article
• Sandvik, Elfrid Christine Smith; Aasarød, Kristin Matre; Johnsen, Gjermund; Hoff, Dag Arne Lihaug; Kulseng, Bård Eirik; Hyldmo, Åsne Ask. (2022) The Effect of Roux-en-Y Gastric Bypass on Non-Alcoholic Fatty Liver Disease Fibrosis Assessed by FIB-4 and NFS Scores—An 11.6-Year Follow-Up Study. Journal of Clinical Medicine
  Academic article
• Nymo, Siren; Skjølsvold, Oda; Aukan, Marthe Isaksen; Finlayson, Graham; Græslie, Hallvard; Mårvik, Ronald. (2022) Suboptimal Weight Loss 13 Years After Roux-en-Y Gastric Bypass: Is Hedonic Hunger, Eating Behaviour and Food Reward to Blame?. Obesity Surgery
  Academic article
• Aukan, Marthe Isaksen; Nymo, Siren; Ollestad, Karoline Haagensli; Bøyesen, Guro Akersveen; Newsom, Julia Nicole; Rehfeld, Jens Frederik. (2022) Differences in gastrointestinal hormones and appetite ratings among obesity classes: Gastrointestinal hormones and appetite in obesity. Appetite
  Academic article

2021

• Nymo, Siren; Kleppe, Malin Mandelid; Coutinho, Silvia; Rehfeld, Jens F.; Kulseng, Bård Eirik; Martins, Catia. (2021) Association between habitual sleep duration/quality and appetite markers in individuals with obesity. Physiology and Behavior
  Academic article
• Strømmen, Magnus; Kløckner, Christian; Bjerkan, Kirsti Kverndokk; Græslie, Hallvard; Hoff, Dag Arne Lihaug; Johnsen, Gjermund. (2021) Characteristics of Patients Reporting Presumed Problematic Drinking Behavior After Gastric Bypass: Exploring Long-Term Data From the BAROBS Study. Frontiers in Endocrinology
  Academic article
• Thorsen, Brit; Gjeilo, Kari Hanne; Sandvik, Jorunn; Follestad, Turid; Græslie, Hallvard; Nymo, Siren. (2021) Self-Reported Gastrointestinal Symptoms Two To Four Years After Bariatric Surgery. A Cross-Sectional Study Comparing Roux-en-Y Gastric Bypass and Laparoscopic Sleeve Gastrectomy. Obesity Surgery
  Academic article
• Sørlie, Vilde; De Soysa, Ann Kristin Hjelle; Hyldmo, Åsne Ask; Retterstøl, Kjetil; Martins, Catia; Nymo, Siren. (2021) Effect of a ketogenic diet on pain and quality of life in patients with lipedema: The LIPODIET pilot study. Obesity Science & Practice
  Academic article
• Sandvik, Jorunn; Bjerkan, Kirsti Kverndokk; Græslie, Hallvard; Hoff, Dag Arne Lihaug; Johnsen, Gjermund; Kløckner, Christian. (2021) Iron Deficiency and Anemia 10 Years After Roux-en-Y Gastric Bypass for Severe Obesity. Frontiers in Endocrinology
  Academic article

2020

• Martins, Catia; Nymo, Siren; Truby, Helen; Rehfeld, JF; Hunter, Gary R; Gower, Barbara A. (2020) Association between ketosis and changes in appetite markers with weight loss following a very-low energy diet. . Obesity
  Academic article
• DeBenedictis, JN; Nymo, Siren; Ollestad, Karoline Haagensli; Bøyesen, Guro Akersveen; Rehfeld, JF; Holst, JJ. (2020) Changes in the homeostatic appetite system after weight loss reflect a normalization towards a lower body weight. J Clin Endocrinol Metab. . Journal of Clinical Endocrinology and Metabolism (JCEM)
  Academic article

2019

• Nymo, Siren; Coutinho, Silvia; Rehfeld, Jens F.; Truby, Helen; Kulseng, Bård Eirik; Martins, Catia. (2019) Physiological predictors of weight regain at 1-year follow-up in weight-reduced adults with obesity. Obesity
  Academic article
• Lyngstad, Anna; Nymo, Siren; Coutinho, Silvia; Rehfeld, Jens F.; Truby, Helen; Kulseng, Bård Eirik. (2019) Investigating the effect of sex and ketosis on weight-loss-induced changes in appetite. American Journal of Clinical Nutrition
  Academic article
• Nymo, Siren; Johnsen, Gjermund; Mårvik, Ronald; Græslie, Hallvard; Kulseng, Bård Eirik; Sandvik, Jorunn. (2019) Patient satisfaction more than ten years after Roux-en-Y gastric bypass. Obesity Surgery
  Abstract

2018

• Nymo, Siren; Coutinho, Silvia dos Santos Ribeiro F; Torgersen, Linn-Christin H.; Bomo, Ola Jakob; Haugvaldstad, Ingrid; Truby, Helen. (2018) Timeline of changes in adaptive physiological responses, at the level of energy expenditure, with progressive weight loss. British Journal of Nutrition
  Academic article
• Nymo, Siren; Coutinho, Silvia dos Santos Ribeiro F; Eknes, Pia Henriette; Vestbøstad, Ida Mariann; Rehfeld, Jens Frederik; Truby, Helen. (2018) Investigation of the long-term sustainability of changes in appetite after weight loss. International Journal of Obesity
  Academic article

2017

• Nymo, Siren; Coutinho, Silvia dos Santos Ribeiro F; Jørgensen, Jeanette; Rehfeld, JF; Truby, H; Kulseng, Bård Eirik. (2017) Timeline of changes in appetite during weight loss with a ketogenic diet. International Journal of Obesity
  Academic article

2014

• Nymo, Siren. (2014) Få menn ønsker å bli fedmeoperert. Trønder-avisa
  Interview Journal