• Efficacy and Safety of CT-P13 in Inflammatory Bowel Disease after Switching from Originator Infliximab: Exploratory Analyses from the NOR-SWITCH Main and Extension Trials 

      Jørgensen, Kristin Kaasen; Goll, Guro Løvik; Sexton, Joe; Bolstad, Nils; Olsen, Inge C.; Asak, Øivind Wessel; Berset, Ingrid Prytz; Blomgren, Ingrid; Dvergsnes, Katrine; Florholmen, Jon; Frigstad, Svein Oskar; Henriksen, Magne; Hagfors, Jon; Huppertz-Hauss, Gert; Haavardsholm, Espen Andre; Klaasen, Rolf Anton; Moum, Bjørn; Noraberg, Geir; Prestegård, Ulf; Rydning, Jan Henrik; Sagatun, Liv; Seeberg, Kathrine; Torp, Roald; Vold, Cecilia; Warren, David J.; Ystrøm, Carl Magnus; Lundin, Knut Erik Aslaksen; Kvien, Tore Kristian; Jahnsen, Jørgen (Peer reviewed; Journal article, 2020)
      Background: The NOR-SWITCH main and extension trials demonstrated that switching from originator to biosimilar infliximab (CT-P13) is efficacious and safe across six diseases. However, a subgroup analysis of Crohn's disease ...
    • First quality score for referral letters in gastroenterology—a validation study 

      Eskeland, Sigrun Losada; Brunborg, Cathrine; Seip, Birgitte Karen Berggreen; Wiencke, Kristine; Hovde, Øistein; Owen, Tanja; Skogestad, Erik; Huppertz-Hauss, Gert; Halvorsen, Fred-Arne; Garborg, Kjetil Kjeldstad; Aabakken, Lars; de Lange, Thomas (Journal article; Peer reviewed, 2016)
      Abstract Objective To create and validate an objective and reliable score to assess referral quality in gastroenterology. Design An observational multicentre study. Setting and participants 25 gastroenterologists participated ...
    • Long‐term efficacy and safety of biosimilar infliximab (CT‐P13) after switching from originator infliximab: Open‐label extension of the NOR‐SWITCH trial 

      Goll, Guro Løvik; Jørgensen, Kristin Kaasen; Sexton, Joseph; Olsen, Inge Christoffer; Bolstad, Nils; Haavardsholm, Espen A.; Lundin, Knut Erik Aslaksen; Tveit, Kåre Steinar; Lorentzen, Merete; Berset, Ingrid Prytz; Fevang, Bjørg-Tilde Svanes; Kalstad, Synnøve; Ryggen, Kristin; Warren, David; Klaasen, Rolf; Asak, Øivind Wessel; Baigh, Somyeh; Blomgren, Ingrid; Brenna, Øystein; Bruun, Trude J; Dvergsnes, Katrine; Frigstad, Svein Oskar; Myrnes, Inger; Hatten, Ingvild Helgheim; Huppertz-Hauss, Gert; Henriksen, Magne; Hoie, Sunniva S.; Krogh, Jan Reidar; Midtgard, Irina P.; Mielnik, Pawel; Moum, Bjørn; Noraberg, Geir; Poyan, Armin; Prestegård, Ulf; Rashid, Haroon Ur; Strand, Eldri Kveine; Skjetne, Kristine; Seeberg, Kathrine; Torp, Roald; Ystrøm, Carl Magnus; Vold, Cecilia; Zettel, Camilla C.; Waksvik, Kenneth; Gulbrandsen, Bjørn; Hagfors, Jon; Mørk, Cato; Jahnsen, Jørgen; Kvien, Tore Kristian (Journal article; Peer reviewed, 2019)
      BACKGROUND AND OBJECTIVES: The 52-week, randomized, double-blind, noninferiority, government-funded NOR-SWITCH trial demonstrated that switching from infliximab originator to less expensive biosimilar CT-P13 was not ...
    • Outcome of Ulcerative Colitis 20 Years after Diagnosis in a Prospective Population-based Inception Cohort from South-Eastern Norway, the IBSEN Study 

      Kempski-Monstad, Iril Lovise; Solberg, Inger Camilla; Småstuen, Milada Cvancarova; Hovde, Øistein; Henriksen, Magne; Huppertz-Hauss, Gert; Gunther, Eva; Moum, Bjørn; Stray, Njaal; Vatn, Morten H; Høie, Ole Ingebreth; Jahnsen, Jørgen (Peer reviewed; Journal article, 2020)
      Background and aims: The long-term course of ulcerative colitis [UC] is difficult to predict. Mortality, colectomy, cancer, and hospitalisation represent hard outcomes of disease. Moreover, knowledge on the risk of relapses ...
    • Pain Severity and Vitamin D Deficiency in IBD 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 (Peer reviewed; Journal article, 2019)
      Pain and vitamin D deficiency are common in inflammatory bowel disease (IBD). Disease activity, fatigue, frequent relapses, prior surgery and psychological factors all seem to influence the experience of pain in IBD. Vitamin ...
    • Self-esteem in patients with inflammatory bowel disease 

      Opheim, Randi; Moum, Bjørn; Grimstad, Tore; Jahnsen, Jørgen; Berset, Ingrid Prytz; Hovde, Øistein; Huppertz-Hauss, Gert; Bernklev, Tomm; Jelsness-Jørgensen, Lars-Petter (Peer reviewed; Journal article, 2020)
      Purpose: The purpose of this study was to explore self-esteem and associations between self-esteem and sociodemographic, clinical, and psychological factors in patients with inflammatory bowel disease (IBD), a disease of ...