• 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 ...
    • 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 ...
    • Relationships Between Vitamin D Status and PTH over 5 Years After Roux-en-Y Gastric Bypass: a Longitudinal Cohort Study 

      Hewitt, Stephen I.; Kristinsson, Jon Adalsteinn; Aasheim, Erlend T.; Høgestøl, Ingvild Kristine; Aaseth, Eirik; Jahnsen, Jørgen; Eriksen, Erik Fink; Mala, Tom (Peer reviewed; Journal article, 2020)
      Purpose: Secondary hyperparathyroidism (SHPT) after obesity surgery may affect bone health. Optimal vitamin D levels have not been established to prevent SHPT postoperatively. We investigated whether SHPT differed across ...
    • 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 ...