Academic chapter/article/Conference paper

• Omdal, Roald; Grimstad, Tore Bjørn (2025). Fatigue in clinical conditions: inflammatory bowel disease—a new narrative. (external link)

Academic article

• Carlsen, Arne; Steinsbø, Øyvind; Kvaløy, Jan Terje et al. (2025). Optimizing serum adalimumab levels in maintenance therapy via proactive therapeutic drug monitoring improves markers of disease activity in Crohn’s disease. (external link)
• Steinsbø, Øyvind; Aasprong, Ole Gunnar; Aabakken, Lars et al. (2025). Fecal Calprotectin Correlates with Disease Extent but Remains a Reliable Marker of Mucosal Healing in Ulcerative Colitis. (external link)
• Grimstad, Tore Bjørn; Carlsen, Arne; Kvaløy, Jan Terje et al. (2025). Fatigue in Inflammatory Bowel Disease: No Effect of Serum Concentrations of Infliximab, Adalimumab or Anti-Drug Antibodies During Maintenance Therapy. (external link)
• Lenning, Ole Bernt; Jonsson, Grete; Grimstad, Tore Bjørn et al. (2024). No signs of mast cell involvement in long-COVID: A case–control study. (external link)
• Kvivik, Ingeborg; Grimstad, Tore Bjørn; Bårdsen, Kjetil et al. (2023). High mobility group box 1 and a network of other biomolecules influence fatigue in patients with Crohn’s disease. (external link)
• Mære, Berit Oterholm; Omdal, Roald; Hetta, Anne Kristine et al. (2023). Less, but not gone—gluten-free diet effects on fatigue in celiac disease: a prospective controlled study. (external link)
• Steinsbø, Øyvind; Carlsen, Arne; Aasprong, Ole Gunnar et al. (2022). Histologic healing and factors associated with complete remission following conventional treatment in ulcerative colitis. (external link)
• Skjellerudsveen, Berit Mære; Omdal, Roald; Hetta, Anne Kristine et al. (2022). Fatigue: a frequent and biologically based phenomenon in newly diagnosed celiac disease. (external link)
• Jelsness-Jørgensen, Lars-Petter; Moum, Bjørn Allan; Grimstad, Tore Bjørn et al. (2022). The multidimensional fatigue inventory (MFI-20): psychometrical testing in a Norwegian sample of inflammatory bowel disease (IBD) patients. (external link)
• Grimstad, Tore Bjørn; Mære, Berit Oterholm; Kvaløy, Jan Terje et al. (2021). The influence of disease activity on fatigue in patients with ulcerative colitis–a longitudinal study. (external link)
• Skoie, Inger Marie; Bårdsen, Kjetil; Nilsen, Mari Mæland et al. (2021). Fatigue and expression of heat shock genes in plaque type psoriasis. (external link)
• Kvivik, Ingeborg; Grimstad, Tore Bjørn; Jonsson, Grete et al. (2021). Anti-HMGB1 auto-Abs influence fatigue in patients with Crohn’s disease. (external link)
• Opheim, Randi; Moum, Bjørn; Grimstad, Tore et al. (2020). Self-esteem in patients with inflammatory bowel disease. (external link)
• Frigstad, Svein Oskar; Høivik, Marte Lie; Jahnsen, Jørgen et al. (2020). Pain Severity and Vitamin D Deficiency in IBD Patients. (external link)
• Grimstad, Tore; Carlsen, Arne; Karlsen, Lars Normann (2019). Medikamentell behandling ved fistulerende Crohns sykdom. (external link)
• Grimstad, Tore; Kvivik, Ingeborg; Kvaløy, Jan Terje et al. (2019). Heat-shock protein 90α in plasma reflects severity of fatigue in patients with Crohn’s disease. (external link)
• Carlsen, Arne; Grimstad, Tore; Karlsen, Lars Normann et al. (2019). A case of Menetriere's disease treated with the monoclonal antibody cetuximab. (external link)
• Carlsen, Arne; Omdal, Roald; Karlsen, Lars Normann et al. (2019). Determination of lower cut-off levels of adalimumab associated with biochemical remission in Crohn's disease. (external link)
• Lauvsnes, Maria Boge; Tjensvoll, Anne Bolette; Maroni, Stian et al. (2018). The blood-brain barrier, TWEAK, and neuropsychiatric involvement in human systemic lupus erythematosus and primary Sjögren's syndrome. (external link)
• Frigstad, Svein Oskar; Høivik, Marte Lie; Jahnsen, Jørgen et al. (2018). Fatigue is not associated with vitamin D deficiency in inflammatory bowel disease patients. (external link)
• Grimstad, Tore; Kvivik, Ingeborg; Kvaløy, Jan Terje et al. (2018). Heat shock protein 90 and inflammatory activity in newly onset Crohn’s disease. (external link)
• Omdal, Roald; Skoie, Inger Marie; Grimstad, Tore (2018). Fatigue is common and severe in patients with mastocytosis. (external link)
• Carlsen, Arne; Omdal, Roald; Leitao, Kristian Øgreid et al. (2018). Subtherapeutic concentrations of infliximab and adalimumab are associated with increased disease activity in Crohn's disease. (external link)
• Frigstad, Svein Oskar; Høivik, Marte; Jahnsen, Jørgen et al. (2017). Vitamin D deficiency in inflammatory bowel disease: Prevalence and predictors in a Norwegian outpatient population. (external link)
• Jelsness-Jørgensen, Lars-Petter; Frigstad, Svein Oskar; Moum, Bjørn et al. (2017). Pain may be an important factor to consider in inflammatory bowel disease patients troubled by fatigue. (external link)
• Katle, Elin-johanne; Hatlebakk, Jan Gunnar; Grimstad, Tore et al. (2017). Gastro-oesophageal reflux in patients with chronic rhino-sinusitis investigated with multichannel impedance - pH monitoring. (external link)
• Jelsness-Jørgensen, Lars-Petter; Moum, Bjørn; Grimstad, Tore et al. (2016). Validity, reliability, and responsiveness of the brief pain inventory in inflammatory bowel disease. (external link)
• Grimstad, Tore; Skoie, Inger Marie; Doerner, Jessica et al. (2016). TWEAK is not elevated in patients with newly diagnosed inflammatory bowel disease. (external link)
• Grimstad, Tore; Norheim, Katrine Brække; Kvaløy, Jan Terje et al. (2016). Conventional treatment regimens for ulcerative colitis alleviate fatigue – an observational cohort study. (external link)
• Vikse, Jens; Cacic, Daniel Limi; Carlsen, Arne et al. (2016). En mann i 30-årene med ulcerøs kolitt og pancytopeni. (external link)
• Grimstad, Tore; Norheim, Katrine Brække; Isaksen, Kjetil et al. (2015). Fatigue in Newly Diagnosed Inflammatory Bowel Disease.. (external link)
• Isaksen, Kjetil; Aabakken, Lars; Grimstad, Tore et al. (2015). Hepatitt C-behandling ved tre norske sykehus 2000–11. (external link)
• Leitao, Kristian Øgreid; Grimstad, Tore; Bretthauer, Michael et al. (2014). Polyethylene glycol vs sodium picosulfate/magnesium citrate for colonoscopy preparation. (external link)
• Grimstad, Tore; Bjørndal, Bodil; Cacabelos, Daniel et al. (2013). A salmon peptide diet alleviates experimental colitis as compared with fish oil. (external link)
• Bjørndal, Bodil; Grimstad, Tore; Cacabelos, Daniel et al. (2013). Tetradecylthioacetic acid attenuates inflammation and has antioxidative potential during experimental colitis in rats. (external link)
• Vos, Martine De; Louis, Edouard; Jahnsen, Jørgen et al. (2013). Consecutive fecal calprotectin measurements to predict relapse in patients with ulcerative colitis receiving infliximab maintenance therapy. (external link)
• Grimstad, Tore; Bjørndal, Bodil; Cacabelos, Daniel et al. (2012). Dietary supplementation of krill oil attenuates inflammation and oxidative stress in experimental ulcerative colitis in rats. (external link)
• Lied, Gülen Arslan; Milde, Anne Marita; Nylund, Kim et al. (2012). Increased wall thickness using ultrasonography is associated with inflammation in an animal model of experimental colitis. (external link)
• Grimstad, Tore; Berge, Rolf Kristian; Bohov, Pavol et al. (2011). Salmon diet in patients with active ulcerative colitis reduced the simple clinical colitis activity index and increased the anti-infl ammatory fatty acid index – a pilot study. (external link)
• Erichsen, Kari; Ulvik, Rune Johan; Grimstad, Tore et al. (2005). Effects of ferrous sulphate and non-ionic iron-polymaltose complex on markers of oxidative tissue damage in patients with inflammatory bowel disease. (external link)

Poster

• Sagen, Åse Margrete; Eide, Geir Egil; Grimstad, Tore Bjørn et al. (2025). Sammenheng mellom angst, depresjon og sykdomsaktivitet hos pasienter med nyoppdaget inflammatorisk tarmsykdom.. (external link)
• Opheim, Randi; Bernklev, Tomm; Jahnsen, Jørgen et al. (2018). Chronic fatigue in patients with inflammatory bowel disease is associated with lower health–related quality of life, low self-esteem, increased anxiety and depression. (external link)
• Frigstad, Svein Oskar; Bernklev, Tomm; Dahl, Sandra Rinne et al. (2017). Vitamin D deficiency is not associated with chronic fatigue in inflammatory bowel disease. (external link)
• Frigstad, Svein Oskar; Høivik, Marte Lie; Moum, Bjørn et al. (2017). Vitamin D deficiency is not associated with depression in IBD patients. (external link)

Academic literature review

• Young, Jessica C.; Helsingen, Lise Mørkved; Refsum, Erle et al. (2025). Temporal trends in characteristics and management of inflammatory bowel disease. (external link)
• Mære, Berit Oterholm; Skoie, Inger Marie; Dalen, Ingvild et al. (2023). The Effect of Biological Treatment on Fatigue in Inflammatory Bowel Disease: A Systematic Review and Meta-analysis. (external link)
• Catalan-Serra, Ignacio; Ricanek, Petr; Grimstad, Tore Bjørn (2022). "Out of the box” new therapeutic strategies for Crohn´s disease: moving beyond biologics. (external link)
• Mære, Berit Oterholm; Omdal, Roald; Grimstad, Tore (2019). Fatigue in celiac disease: A review of the literature. (external link)
• Grimstad, Tore; Norheim, Katrine Brække (2016). Utmattelse ved inflammatorisk tarmsykdom. (external link)

Academic lecture

• Frigstad, Svein Oskar; Høivik, Marte Lie; Småstuen, Milada C et al. (2017). Fatigue er ikke assosiert med vitamin D mangel hos IBD pasienter. (external link)
• Grimstad, Tore; Nylund, Kim; Lied, Gülen Arsland et al. (2011). Ultrasonographic evaluation of DSS-induced colitis in rats after dietary intake of a modified thia fatty acid. (external link)

Doctoral dissertation

• Grimstad, Tore (2013). Anti-inflammatory effects of marine nutritional products in the treatment of ulcerative colitis. (external link)

Lecture

• Lied, Gülen Arsland; Milde, Anne Marita; Nylund, Kim et al. (2011). A comparison between DSS- and TNBS induced colitis in rats on ultrasonographic intestinal changes: a pilot study. (external link)

Report

• Solli-Sæther, Hans; Grimstad, T; Myrseth, Per et al. (2008). Semantic and Organisational Interoperability in Communicating and Collaborating Organisations: State of the Art. (external link)

See a complete overview of publications in Cristin.