• Chronic fatigue is highly prevalent in survivors of autologous stem cell transplantation and associated with IL-6, neuroticism, cardiorespiratory fitness, and obesity 

      Smeland, Knut Bjøro; Loge, Jon Håvard; Aass, Hans Christian Dalsbotten; Aspelin, Trude; Bersvendsen, Hanne Skjerven; Bolstad, Nils; Fagerli, Unn-Merete; Falk, Ragnhild Sørum; Fluge, Øystein; Fosså, Alexander; Holte, Harald; Lund, May-Brith; Murbræch, Klaus; Reinertsen, Kristin Valborg; Stenehjem, Jo Steinson; Kiserud, Cecilie E. (Journal article; Peer reviewed, 2018)
    • Coeliac disease in the Trøndelag Health Study (HUNT), Norway, a population-based cohort of coeliac disease patients 

      Lukina, Polina; Andersen, Ina Lervåg; Eggen, Petter Tinbod; Mjønes, Patricia Gjertrud; Rønne, Elin; Bolstad, Nils; Klaasen, Rolf; Warren, David; Iversen, Rasmus; Hveem, Kristian; Bernklev, Tomm; Jelsness-Jørgensen, Lars-Petter; Pedersen, Lise; Jonkers, Iris; Lagergren, Pernilla; Sollid, Ludvig Magne; Lundin, Knut; Ness-Jensen, Eivind (Peer reviewed; Journal article, 2024)
      Purpose - Coeliac disease (CD) is a common disorder and affects about 1% of the population worldwide. CD in the Trøndelag Health Study (HUNT) is a population-based cohort study which was established to provide new knowledge ...
    • Colorectal cancer screening with repeated fecal immunochemical test versus sigmoidoscopy: baseline results from a randomized trial 

      Randel, Kristin Ranheim; Schult, Anna Lisa; Botteri, Edoardo; Hoff, Geir; Bretthauer, Michael; Ursin, Giske; Natvig, Erik; Berstad, Paula; Jørgensen, Anita; Sandvei, Per Kristian; Olsen, Marie Kristin Ek; Frigstad, Svein Oskar; Darre-Næss, Ole; Norvard, Espen R.; Bolstad, Nils; Kørner, Hartwig; Wibe, Arne; Wensaas, Knut-Arne; de Lange, Thomas; Holme, Øyvind (Peer reviewed; Journal article, 2020)
      Background and aims: The comparative effectiveness of sigmoidoscopy and fecal immunochemical testing (FIT) for colorectal cancer (CRC) screening is unknown. Methods: Individuals aged 50-74 years living in South-East Norway ...
    • The development and validation of a high-capacity serological assay for celiac disease 

      Klaasen, Rolf; Warren, David; Iversen, Rasmus; Bolstad, Nils; Andersen, Ina Lervåg; Mjønes, Patricia; Rønne, Elin; Lundin, Knut; Sollid, Ludvig Magne; Ness-Jensen, Eivind (Peer reviewed; Journal article, 2022)
      Background The aim of the present study was to develop and clinically validate a high-throughput assay for serum IgA and IgG antibodies against transglutaminase-2 (TG2) and to determine appropriate assay cut-offs for ...
    • The effect of infliximab in patients with chronic low back pain and Modic changes (the BackToBasic study): study protocol of a randomized, double blind, placebo-controlled, multicenter trial 

      Gjefsen, Elisabeth; Bråten, Lars Christian Haugli; Goll, Guro Løvik; Wigemyr, Monica; Bolstad, Nils; Valberg, Morten; Schistad, Ellina Iordanova; Marchand, Gunn Hege; Granviken, Fredrik; Selmer, Kaja Kristine; Johanessen, Anne Froholdt; Haugen, Anne Julsrud; Dagestad, Magnhild Hammersland; Vetti, Nils; Bakland, Gunnstein; Lie, Benedicte Alexandra; Haavardsholm, Espen A.; Nilsen, Aksel Thuv; Holmgard, Thor Einar; Kadar, Thomas; Kvien, Tore Kristian; Skouen, Jan Sture; Grøvle, Lars; Brox, Jens Ivar; Espeland, Ansgar; Storheim, Kjersti; Zwart, John-Anker (Peer reviewed; Journal article, 2020)
      Low back pain is common and a significant number of patients experience chronic low back pain. Current treatment options offer small to moderate effects. Patients with vertebral bone marrow lesions visualized as Modic ...
    • Effect of Therapeutic Drug Monitoring vs Standard Therapy During Infliximab Induction on Disease Remission in Patients With Chronic Immune-Mediated Inflammatory Diseases: A Randomized Clinical Trial 

      Syversen, Silje Watterdal; Goll, Guro Løvik; Jørgensen, Kristin Kaasen; Sandanger, Øystein; Sexton, Joseph; Olsen, Inge Christoffer; Gehin, Johanna Elin; Warren, David; Brun, Marthe Kirkesæther; Klaasen, Rolf; Karlsen, Lars Normann; Noraberg, Geir; Zettel, Camilla; Ljoså, Maud-Kristine Aga; Haugen, Anne Julsrud; Njålla, Rune Johan; Bruun, Trude J; Seeberg, Kathrine; Michelsen, Brigitte; Strand, Eldri Kveine; Skorpe, Svanaug; Blomgren, Ingrid; Bragnes, Yngvill; Dotterud, Christian; Thune, Turid Jorunn; Ystrøm, Carl Magnus; Torp, Roald; Pawel, Mielnik; Mørk, Cato; Kvien, Tore Kristian; Jahnsen, Jørgen; Bolstad, Nils; Haavardsholm, Espen A. (Peer reviewed; Journal article, 2021)
      Importance: Proactive therapeutic drug monitoring (TDM), defined as individualized drug dosing based on scheduled monitoring of serum drug levels, has been proposed as an alternative to standard therapy to maximize efficacy ...
    • 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 ...
    • OXR1A, a Coactivator of PRMT5 Regulating Histone Arginine Methylation 

      Yang, Mingyi; Lin, Xiaolin; Segers, Filip; Suganthan, Rajikala; Hildrestrand, Gunn Annette; Rinholm, Johanne Egge; Aas, Per Arne; Sousa, Mirta; Holm, Sverre; Bolstad, Nils; Warren, David; Berge, Rolf Kristian; Johansen, Rune Forstrøm; Yndestad, Arne; Kristiansen, Elise; Klungland, Arne; Gomez, Luisa Fernanda Luna; Eide, Lars; Halvorsen, Bente; Aukrust, Pål; Bjørås, Magnar (Peer reviewed; Journal article, 2020)
      Oxidation resistance gene 1 (OXR1) protects cells against oxidative stress. We find that male mice with brain-specific isoform A knockout (Oxr1A−/−) develop fatty liver. RNA sequencing of male Oxr1A−/− liver indicates ...
    • Prognostic role of carcinoembryonic antigen and carbohydrate antigen 19-9 in metastatic colorectal cancer: a BRAF-mutant subset with high CA 19-9 level and poor outcome 

      Thomsen, Maria; Skovlund, Eva; Sorbye, Halfdan; Bolstad, Nils; Nustad, Kjell Johannes; Glimelius, Bengt; Pfeiffer, Per; Kure, Elin Wenche Hegland; Johansen, Julia S.; Tveit, Magne Kjell; Christoffersen, Thoralf; Guren, Tormod Kyrre (Journal article; Peer reviewed, 2018)
      Background Mutation status of RAS and BRAF, as well as serum levels of carcinoembryonic antigen (CEA) and carbohydrate antigen 19-9 (CA 19-9), are biomarkers used in clinical management of patients with gastrointestinal ...
    • Switching from originator infliximab to biosimilar CT-P13 compared with maintained treatment with originator infliximab (NOR-SWITCH): a 52-week, randomised, double-blind, non-inferiority trial 

      Jørgensen, Kristin Kaasen; Inge Christoffer, Olsen; Goll, Guro Løvik; Lorentzen, Merete; Bolstad, Nils; Haavardsholm, Espen A.; Lundin, Knut Erik Aslaksen; Mørk, Cato; Jahnsen, Jørgen; Kvien, Tore Kristian (Journal article; Peer reviewed, 2017)
      Background TNF inhibitors have improved treatment of Crohn's disease, ulcerative colitis, spondyloarthritis, rheumatoid arthritis, psoriatic arthritis, and chronic plaque psoriasis, but are expensive therapies. The aim ...