• Ankylosing Spondylitis and Axial Spondyloarthritis in Patients With Long-term Inflammatory Bowel Disease: Results From 20 Years of Follow-up in the IBSEN Study 

      Ossum, Alvilde Maria; Palm, Øyvind; Lunder, Aida Kapic; Småstuen, Milada Cvancarova; Banitalebi, Hasan; Negård, Anne; Høie, Ole Ingebreth; Henriksen, Magne; Moum, Bjørn; Høivik, Marte Lie (Journal of Crohn's and Colitis;12(1), Journal article; Peer reviewed, 2017-09-13)
      Background Patients with inflammatory bowel disease [IBD] often suffer from rheumatic manifestations, including inflammatory back disorders. The prevalence of these disorders late in the course of IBD is poorly investigated. ...
    • Clinical and biochemical impact of vitamin B6 deficiency in primary sclerosing cholangitis before and after liver transplantation 

      Braadland, Peder Rustøen; Bergquist, Annika; Kummen, Martin; Bossen, Lars; Engesæter, Lise Katrine; Reims, Henrik Mikael; Bjørk, Ida Torunn; Grzyb, Krzysztof; Abildgaard, Andreas; Småstuen, Milada Cvancarova; Folseraas, Trine; Trøseid, Marius; Ulvik, Arve; Ueland, Per Magne; Melum, Espen; Line, Pål Dag; Høivik, Marte Lie; Grønbæk, Henning; Karlsen, Tom Hemming; Vesterhus, Mette Nåmdal; Hov, Johannes Espolin Roksund (Peer reviewed; Journal article, 2023)
      Background and aims: We previously demonstrated that people with primary sclerosing cholangitis (PSC) had reduced gut microbial capacity to produce active vitamin B6 (pyridoxal 5’-phosphate [PLP]), which corresponded to ...
    • Fatigue in patients with newly diagnosed inflammatory bowel disease: Results from a prospective inception cohort, the IBSEN III study 

      Holten, Kristina Ingeborg; Bernklev, Tomm; Opheim, Randi; Johansen, Ingunn; Olsen, Bjørn Christian Elias Grova; Lund, Charlotte; Strande, Vibeke; Medhus, Asle Wilhelm; Perminow, Gøri Margrete; Bengtson, May-Bente; Boyar Cetinkaya, Raziye; Vatn, Simen Svendsen; Frigstad, Svein Oskar; Aabrekk, Tone Bergene; Detlie, Trond Espen; Hovde, Øistein; Kristensen, Vendel Ailin; Småstuen, Milada Cvancarova; Henriksen, Magne; Huppertz-Hauss, Gert; Høivik, Marte Lie; Jelsness-Jørgensen, Lars-Petter (Peer reviewed; Journal article, 2023)
      Background and aims: Although fatigue is common in inflammatory bowel disease (IBD), its pathogenesis remains unclear. This study aimed to determine the prevalence of fatigue and its associated factors in a cohort of ...
    • Fatigue is not associated with vitamin D deficiency in inflammatory bowel disease patients 

      Frigstad, Svein Oskar; Høivik, Marte Lie; Jahnsen, Jørgen; Småstuen, Milada Cvancarova; Grimstad, Tore; Berset, Ingrid Prytz; Huppertz-Hauss, Gert; Hovde, Øistein; Bernklev, Tomm; Moum, Bjørn; Jelsness-Jørgensen, Lars-Petter (World journal of gastroenterology;24(29), Journal article; Peer reviewed, 2018-08-07)
      AIM To investigate if vitamin D deficiency is associated with fatigue in patients with inflammatory bowel disease (IBD). METHODS IBD patients were recruited from nine hospitals in the southeastern and western regions ...
    • The Impact of Spondyloarthritis and Joint Symptoms on Health-Related Quality of Life and Fatigue in IBD Patients. Results From a Population-Based Inception Cohort (20-Year Follow-up in the Ibsen Study) 

      Ossum, Alvilde Maria; Palm, Øyvind; Småstuen, Milada C; Bernklev, Tomm; Jahnsen, Jørgen; Moum, Bjørn; Høivik, Marte Lie (Inflammatory Bowel Diseases;Volume 26, Issue 1, January 2020, Journal article; Peer reviewed, 2019-05-25)
      Background: Patients with inflammatory bowel disease (IBD) often suffer from musculoskeletal manifestations. Health-related quality of life (HRQoL) and fatigue are known to be associated with IBD activity and musculoskeletal ...
    • 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 ...
    • Switching from intravenous to subcutaneous vedolizumab maintenance treatment in patients with inflammatory bowel disease followed by therapeutic drug monitoring 

      Wiken, Thea H.; Høivik, Marte Lie; Buer, Lydia Celine Tansem; Warren, David J.; Bolstad, Nils; Moum, Bjørn Allan; Anisdahl, Karoline; Småstuen, Milada Cvancarova; Medhus, Asle Wilhelm (Peer reviewed; Journal article, 2023)
      Objective: Vedolizumab (VDZ) for subcutaneous (SC) administration has recently become available. We aimed to assess feasibility, safety and clinical outcome when switching from intravenous (IV) to SC VDZ maintenance ...
    • Symptoms and symptom clusters in patients newly diagnosed with inflammatory bowel disease: results from the IBSEN III Study 

      Johansen, Ingunn; Småstuen, Milada Cvancarova; Løkkeberg, Stine Eileen Torp; Kristensen, Vendel Ailin; Høivik, Marte Lie; Lund, Charlotte; Olsen, Bjørn Christian Elias Grova; Strande, Vibeke; Huppertz-Hauss, Gert; Aabrekk, Tone Bergene; Bengtson, May-Bente; Ricanek, Petr; Detlie, Trond Espen; Frigstad, Svein Oskar; Jelsness-Jørgensen, Lars-Petter; Opheim, Randi (Peer reviewed; Journal article, 2023)
      Background: Patients with inflammatory bowel disease report multiple symptoms, but the relationships among co-occurring symptoms are poorly understood. This study aimed to examine the prevalence of symptoms and explore ...