• Fecal microbiota profiles in treatment-naive pediatric inflammatory bowel disease ? associations with disease phenotype, treatment, and outcome 

      Olbjørn, Christine; Småstuen, Milada Cvancarova; Thiis-Evensen, Espen; Nakstad, Britt; Vatn, Morten H; Jahnsen, Jørgen; Ricanek, Petr; Vatn, Simen Svendsen; Moen, Aina Elisabeth Fossum; Tannæs, Tone Møller; Lindstrøm, Jonas Christoffer; Söderholm, Johan D.; Halfvarson, Jonas; Gomollón, Fernando; Casén, Christina; Karlsson, Magdalena Kauczynska; Kalla, Rahul; Adams, Alex T.; Satsangi, Jack; Perminow, Gøri Margrete (Clinical and Experimental Gastroenterology;Volume 12, Journal article; Peer reviewed, 2019-12-13)
      Purpose: Imbalance in the microbiota, dysbiosis, has been identified in inflammatory bowel disease (IBD). We explored the fecal microbiota in pediatric patients with treatment-naïve IBD, non-IBD patients with gastrointestinal ...
    • Peripheral arthritis in patients with long-term inflammatory bowel disease. Results from 20 years of follow-up in the IBSEN study 

      Ossum, Alvilde Maria; Palm, Øyvind; Småstuen, Milada Cvancarova; Solberg, Inger Camilla; Vatn, Morten H; Moum, Bjørn; Høivik, Marte Lie (Scandinavian Journal of Gastroenterology;53(10-11), Journal article; Peer reviewed, 2018-10-24)
      Objectives: Peripheral arthritis and related musculoskeletal manifestations, often classified as peripheral spondyloarthritis, are frequently seen in patients with inflammatory bowel disease (IBD). Few long-term studies ...
    • Serological antibodies and surgery in a population-based inception cohort of Crohn's disease patients - the IBSEN study 

      Kristensen, Vendel Ailin; Småstuen, Milada Cvancarova; Høivik, Marte Lie; Moum, Bjørn; Vatn, Morten H (Scandinavian Journal of Gastroenterology;Volume 55, 2020 - Issue 4, Journal article; Peer reviewed, 2020-04-06)
      Introduction: Serological antibodies have been associated with complicated disease course in Crohn’s disease (CD), including the need for surgery. Aim: The aim of this study was to investigate if a panel of relevant ...
    • Serological markers in diagnosis of pediatric inflammatory bowel disease and as predictors for early tumor necrosis factor blocker therapy 

      Olbjørn, Christine; Småstuen, Milada Cvancarova; Thiis-Evensen, Espen; Nakstad, Britt; Vatn, Morten H; Perminow, Gøri Margrete (Scandinavian Journal of Gastroenterology;Volume 52, 2017 - Issue 4, Journal article; Peer reviewed, 2016-11-25)
      Objective: To describe the prevalence of serological markers in newly diagnosed treatment naïve pediatric inflammatory bowel disease (IBD), their utility in differentiating Crohn’s disease (CD), ulcerative colitis (UC) ...