Jørgen Jahnsen

Bilde av Jørgen Jahnsen
English version of this page
Brukernavn
Besøksadresse Sykehusveien 25 1474 Nordbyhagen
Postadresse Akershus universitetssykehus 1478 Lørenskog

Publikasjoner

  • Syversen, Silje Watterdal; Jyssum, Ingrid; Tveter, Anne Therese; Sexton, Joseph; Christensen, Ingrid Egeland & Tran, Trung [Vis alle 20 forfattere av denne artikkelen] (2022). Immunogenicity and safety of a three-dose SARS-CoV-2 vaccination strategy in patients with immune-mediated inflammatory diseases on immunosuppressive therapy. RMD Open. ISSN 2056-5933. 8(2). doi: 10.1136/rmdopen-2022-002417.
  • Zhou, Chunyan; Østerbye, Thomas; Bach, Emil; Dahal-Koirala, Shiva; Høydahl, Lene Støkken & Steinsbø, Øyvind [Vis alle 11 forfattere av denne artikkelen] (2022). Focused B cell response to recurring gluten motif with implications for epitope spreading in celiac disease. Cell reports. ISSN 2211-1247. 41(4). doi: 10.1016/j.celrep.2022.111541.
  • Christensen, Ingrid Egeland; Jyssum, Ingrid; Tveter, Anne Therese; Sexton, Joseph; Tran, Trung & Mjaaland, Siri [Vis alle 19 forfattere av denne artikkelen] (2022). The persistence of anti-Spike antibodies following two SARS-CoV-2 vaccine doses in patients on immunosuppressive therapy compared to healthy controls—a prospective cohort study. BMC Medicine. ISSN 1741-7015. 20(1), s. 1–13. doi: 10.1186/s12916-022-02587-8. Fulltekst i vitenarkiv
  • Nowak, Jan K.; Adams, Alex T.; Kalla, Rahul; Lindstrøm, Jonas Christoffer; Vatn, Simen Svendsen & Bergemalm, Daniel [Vis alle 15 forfattere av denne artikkelen] (2022). Characterisation of the Circulating Transcriptomic Landscape in Inflammatory Bowel Disease Provides Evidence for Dysregulation of Multiple Transcription Factors Including NFE2, SPI1, CEBPB, and IRF2. Journal of Crohn's and Colitis. ISSN 1873-9946. 16(8), s. 1255–1268. doi: 10.1093/ecco-jcc/jjac033.
  • Hammersbøen, Kristin Reine; Jahnsen, Jørgen; Brynskov, Jørn; Molander, Pauliina; Eberhardson, Michael & Davidsdottir, Loà G. [Vis alle 13 forfattere av denne artikkelen] (2022). Therapeutic drug monitoring in inflammatory bowel disease: implementation, utilization, and barriers in clinical practice in Scandinavia. Scandinavian Journal of Gastroenterology. ISSN 0036-5521. doi: 10.1080/00365521.2022.2108684.
  • Atlasy, Nader; Bujko, Anna; Bækkevold, Espen Sønderaal; Brazda, Peter; Janssen-Megens, Eva & Lundin, Knut [Vis alle 9 forfattere av denne artikkelen] (2022). Single cell transcriptomic analysis of the immune cell compartment in the human small intestine and in Celiac disease. Nature Communications. ISSN 2041-1723. 13(1). doi: 10.1038/s41467-022-32691-5. Fulltekst i vitenarkiv
  • Brun, Marthe Kirkesæther; Goll, Guro Løvik; Jørgensen, Kristin Kaasen; Sexton, Joseph; Gehin, Johanna Elin & Sandanger, Øystein [Vis alle 15 forfattere av denne artikkelen] (2022). Risk factors for anti-drug antibody formation to infliximab: Secondary analyses of a randomised controlled trial. Journal of Internal Medicine. ISSN 0954-6820. 292(3), s. 477–491. doi: 10.1111/joim.13495. Fulltekst i vitenarkiv
  • Syversen, Silje Watterdal; Jyssum, Ingrid; Tveter, Anne Therese; Tran, Trung; Sexton, Joseph & Provan, Sella Aarrestad [Vis alle 22 forfattere av denne artikkelen] (2022). Immunogenicity and Safety of Standard and Third-Dose SARS–CoV-2 Vaccination in Patients Receiving Immunosuppressive Therapy. Arthritis & Rheumatology. ISSN 2326-5191. 74(8), s. 1321–1332. doi: 10.1002/art.42153.
  • Peyrin-Biroulet, Laurent; Arkkila, Perttu; Armuzzi, Alessandro; Danese, Silvio; Guardiola, Jordi & Jahnsen, Jørgen [Vis alle 16 forfattere av denne artikkelen] (2022). Comparative efficacy and safety of infliximab and vedolizumab therapy in patients with inflammatory bowel disease: a systematic review and meta-analysis. BMC Gastroenterology. ISSN 1471-230X. 22(1). doi: 10.1186/s12876-022-02347-1.
  • Vatn, Simen Svendsen; Lindstrøm, Jonas Christoffer; Moen, Aina Elisabeth Fossum; Brackmann, Stephan Andreas; Tannæs, Tone Møller & Olbjørn, Christine [Vis alle 19 forfattere av denne artikkelen] (2022). Mucosal Gene Transcript Signatures in Treatment Naïve Inflammatory Bowel Disease: A Comparative Analysis of Disease to Symptomatic and Healthy Controls in the European IBD-Character Cohort. Clinical and Experimental Gastroenterology. ISSN 1178-7023. 15, s. 5–25. doi: 10.2147/CEG.S343468.
  • Christophersen, Asbjørn Otto; Dahal-Koirala, Shiva; Chlubnova, Marketa; Jahnsen, Jørgen; Lundin, Knut & Sollid, Ludvig Magne (2022). Phenotype-Based Isolation of Antigen-Specific CD4+ T Cells in Autoimmunity: A Study of Celiac Disease. Advanced Science. ISSN 2198-3844. 9(10), s. 1–10. doi: 10.1002/advs.202104766. Fulltekst i vitenarkiv
  • Espeland, Kristian; Kleinauskas, Andrius; Juzenas, Petras; Brech, Andreas; Darvekar, Sagar & Vasovic, Vlada [Vis alle 10 forfattere av denne artikkelen] (2022). Photodynamic Effects with 5-Aminolevulinic Acid on Cytokines and Exosomes in Human Peripheral Blood Mononuclear Cells. Biomedicines. 10(2). doi: 10.3390/biomedicines10020232. Fulltekst i vitenarkiv
  • Jelsness-Jørgensen, Lars-Petter; Moum, Bjørn Allan; Grimstad, Tore Bjørn; Jahnsen, Jørgen; Hovde, Øistein & Frigstad, Svein Oskar [Vis alle 7 forfattere av denne artikkelen] (2022). The multidimensional fatigue inventory (MFI-20): psychometrical testing in a Norwegian sample of inflammatory bowel disease (IBD) patients. Scandinavian Journal of Gastroenterology. ISSN 0036-5521. s. 1–7. doi: 10.1080/00365521.2022.2029939. Fulltekst i vitenarkiv
  • Bergemalm, Daniel; Andersson, Erik; Hultdin, Johan; Eriksson, Carl; Rush, Stephen T. & Kalla, Rahul [Vis alle 20 forfattere av denne artikkelen] (2021). Systemic Inflammation in Preclinical Ulcerative Colitis. Gastroenterology. ISSN 0016-5085. 161(5), s. 1526–1539.e9. doi: 10.1053/j.gastro.2021.07.026.
  • Schuppan, Detlef; Maki, Markku; Lundin, Knut Erik Aslaksen; Isola, Jorma; Friesing-Sosnik, Tina & Taavela, Juha [Vis alle 26 forfattere av denne artikkelen] (2021). A Randomized Trial of a Transglutaminase 2 Inhibitor for Celiac Disease. New England Journal of Medicine. ISSN 0028-4793. 385(1), s. 35–45. doi: 10.1056/NEJMoa2032441. Fulltekst i vitenarkiv
  • Jyssum, Ingrid; Kared, Hassen; Tran, Trung; Tveter, Anne Therese; Provan, Sella Aarrestad & Sexton, Joseph [Vis alle 22 forfattere av denne artikkelen] (2021). Humoral and cellular immune responses to two and three doses of SARS-CoV-2 vaccines in rituximab-treated patients with rheumatoid arthritis: a prospective, cohort study. The Lancet Rheumatology. doi: 10.1016/S2665-9913%2821%2900394-5. Fulltekst i vitenarkiv
  • Kristensen, Vendel Ailin; Volkmann, Hilde Løland Von; Østvik, Ann Elisabet & Jahnsen, Jørgen (2021). Medisinsk behandling av Crohns sykdom. NGF-nytt. ISSN 0809-6570. 28(4), s. 8–13.
  • Syversen, Silje Watterdal; Jørgensen, Kristin Kaasen; Goll, Guro Løvik; Brun, Marthe Kirkesæther; Sandanger, Øystein & Hammersbøen, Kristin Reine [Vis alle 33 forfattere av denne artikkelen] (2021). Effect of Therapeutic Drug Monitoring vs Standard Therapy During Maintenance Infliximab Therapy on Disease Control in Patients With Immune-Mediated Inflammatory Diseases: A Randomized Clinical Trial. Journal of the American Medical Association (JAMA). ISSN 0098-7484. 326(23), s. 2375–2384. doi: 10.1001/jama.2021.21316.
  • Romstad, Katrine Maria Kauczynska; Detlie, Trond Espen; Søberg, Taran; Thomas, Owen Matthew Truscott; Ricanek, Petr & Jahnsen, Marte Eide [Vis alle 8 forfattere av denne artikkelen] (2021). Treatment and outcome of gastrointestinal bleeding due to peptic ulcers and erosions–(BLUE study). Scandinavian Journal of Gastroenterology. ISSN 0036-5521. 57(1), s. 8–15. doi: 10.1080/00365521.2021.1988701. Fulltekst i vitenarkiv
  • Christophersen, Asbjørn Otto; Zühlke, Stephanie; Lund, Eivind Gard; Snir, Omri; Dahal-Koirala, Shiva & Risnes, Louise Fremgaard [Vis alle 9 forfattere av denne artikkelen] (2021). Pathogenic T cells in celiac disease change phenotype on gluten challenge: Implications for T-cell-directed therapies. Advanced Science. ISSN 2198-3844. 8(21), s. 1–11. doi: 10.1002/advs.202102778.
  • Frick, Rahel; Høydahl, Lene Støkken; Petersen, Jan; du Pré, Fleur; Kumari, Shraddha & Berntsen, Grete [Vis alle 20 forfattere av denne artikkelen] (2021). A high-affinity human TCR-like antibody detects celiac disease gluten peptide-MHC complexes and inhibits T cell activation. Science immunology. ISSN 2470-9468. 6:eabg4925(62), s. 1–16. doi: 10.1126/sciimmunol.abg4925. Fulltekst i vitenarkiv
  • Detlie, Trond Espen; Jahnsen, Marte Eide; Jahnsen, Jørgen; Lindstrøm, Jonas Christoffer; Moum, Bjørn & Finnes, Elisabeth [Vis alle 7 forfattere av denne artikkelen] (2021). Hypophosphatemia after high-dose intravenous iron treatment in patients with inflammatory bowel disease: Mechanisms and possible clinical impact. World Journal of Gastroenterology (WJG). ISSN 1007-9327. 27(17), s. 2039–2053. doi: 10.3748/wjg.v27.i17.2039.
  • Syversen, Silje Watterdal; Goll, Guro Løvik; Jørgensen, Kristin Kaasen; Sandanger, Øystein; Sexton, Joseph & Olsen, Inge Christoffer [Vis alle 33 forfattere av denne artikkelen] (2021). 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. Journal of the American Medical Association (JAMA). ISSN 0098-7484. 325(17), s. 1744–1754. doi: 10.1001/jama.2021.4172.
  • Lindeman, Ida; Zhou, Chunyan; Eggesbø, Linn Margrethe; Miao, Zhichao; Polak, Justyna & Lundin, Knut Erik Aslaksen [Vis alle 10 forfattere av denne artikkelen] (2021). Longevity, clonal relationship, and transcriptional program of celiac disease-specific plasma cells. Journal of Experimental Medicine (JEM). ISSN 0022-1007. 218:e20200852(2), s. 1–16. doi: 10.1084/jem.20200852. Fulltekst i vitenarkiv
  • Reinisch, Walter; Gecse, Krisztina; Halfvarson, Jonas; Irving, Peter M.; Jahnsen, Jørgen & Peyrin-Biroulet, Laurent [Vis alle 9 forfattere av denne artikkelen] (2021). Clinical Practice of Adalimumab and Infliximab Biosimilar Treatment in Adult Patients With Crohn's Disease. Inflammatory Bowel Diseases. ISSN 1078-0998. 27(1), s. 106–122. doi: 10.1093/ibd/izaa078. Fulltekst i vitenarkiv
  • Monstad, Iril Lovise; Solberg, Inger Camilla; Småstuen, Milada Cvancarova; Hovde, Oistein; Henriksen, Magne & Huppertz-Hauss, Gert [Vis alle 12 forfattere av denne artikkelen] (2021). Outcome of Ulcerative Colitis 20 Years after Diagnosis in a Prospective Population-based Inception Cohort from South-Eastern Norway, the IBSEN Study. Journal of Crohn's and Colitis. ISSN 1873-9946. 15(6), s. 969–979. doi: 10.1093/ecco-jcc/jjaa232. Fulltekst i vitenarkiv
  • Syversen, Silje Watterdal; Goll, Guro Løvik; Jørgensen, Kristin Kaasen; Olsen, Inge Christoffer; Sandanger, Øystein & Gehin, Johanna Elin [Vis alle 13 forfattere av denne artikkelen] (2020). Therapeutic drug monitoring of infliximab compared to standard clinical treatment with infliximab: study protocol for a randomised, controlled, open, parallel-group, phase IV study (The NOR-DRUM study). Trials. ISSN 1745-6215. 21(13). doi: 10.1186/s13063-019-3734-4. Fulltekst i vitenarkiv
  • Vatn, Simen Svendsen; Carstens, Adam; Kristoffersen, Anja Bråthen; Bergemalm, Daniel; Casen, Christina & Moen, Aina Elisabeth Fossum [Vis alle 19 forfattere av denne artikkelen] (2020). Faecal microbiota signatures of IBD and their relation to diagnosis, disease phenotype, inflammation, treatment escalation and anti-TNF response in a European Multicentre Study (IBD-Character). Scandinavian Journal of Gastroenterology. ISSN 0036-5521. 55(10), s. 1146–1156. doi: 10.1080/00365521.2020.1803396. Fulltekst i vitenarkiv
  • Kalla, Rahul; Adams, Alex T.; Ventham, Nicholas T.; Kennedy, Nicholas A.; White, R. & Clark, C [Vis alle 21 forfattere av denne artikkelen] (2020). Whole blood profiling of T-cell derived miRNA allows the development of prognostic models in inflammatory bowel disease . Journal of Crohn's and Colitis. ISSN 1873-9946. 14(12), s. 1724–1733. doi: 10.1093/ecco-jcc/jjaa134. Fulltekst i vitenarkiv
  • Romstad, Kartine Maria Kauczynska; Detlie, Trond Espen; Søberg, Taran; Ricanek, Petr; Jahnsen, Marte Eide & Lerang, Frode [Vis alle 7 forfattere av denne artikkelen] (2020). Gastrointestinal bleeding due to peptic ulcers and erosions - a prospective observational study (BLUE study) . Scandinavian Journal of Gastroenterology. ISSN 0036-5521. 55(10), s. 1139–1145. doi: 10.1080/00365521.2020.1819405. Fulltekst i vitenarkiv
  • Olbjørn, Christine; Rove, Jon Berggren & Jahnsen, Jørgen (2020). Combination of Biological Agents in Moderate to Severe Pediatric Inflammatory Bowel Disease: A Case Series and Review of the Literature. . Pediatric Drugs. ISSN 1174-5878. 22(4), s. 409–416. doi: 10.1007/s40272-020-00396-1. Fulltekst i vitenarkiv
  • Hewitt, Stephen I; Kristinsson, Jon Adalsteinn; Aasheim, Erlend T.; Høgestøl, Ingvild Kristine; Aaseth, Eirik & Jahnsen, Jørgen [Vis alle 8 forfattere av denne artikkelen] (2020). Relationships Between Vitamin D Status and PTH over 5 Years After Roux-en-Y Gastric Bypass: a Longitudinal Cohort Study. Obesity Surgery. ISSN 0960-8923. 30(9), s. 3426–3434. doi: 10.1007/s11695-020-04582-5. Fulltekst i vitenarkiv
  • Kalla, Rahul; Adams, Alex T.; Bergemalm, Daniel; Vatn, Simen Svendsen; Kennedy, Nicholas A. & Ricanek, Petr [Vis alle 22 forfattere av denne artikkelen] (2020). Serum proteomic profiling at diagnosis predicts clinical course, and need for intensification of treatment in inflammatory bowel disease. Journal of Crohn's and Colitis. ISSN 1873-9946. s. 1–33. doi: 10.1093/ecco-jcc/jjaa230. Fulltekst i vitenarkiv
  • Kim, HoUng; Alten, Rieke; Avedano, Luisa; Dignass, Axel; Gomollón, Fernando & Greveson, Kay [Vis alle 19 forfattere av denne artikkelen] (2020). The Future of Biosimilars: Maximizing Benefits Across Immune-Mediated Inflammatory Diseases. Drugs. ISSN 0012-6667. 80(2), s. 99–113. doi: 10.1007/s40265-020-01256-5. Fulltekst i vitenarkiv
  • Jørgensen, Kristin Kaasen; Goll, Guro Løvik; Sexton, Joseph; Bolstad, Nils; Olsen, Inge Christoffer & Asak, Øivind Wessel [Vis alle 29 forfattere av denne artikkelen] (2020). 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. BioDrugs. ISSN 1173-8804. 34(5), s. 681–694. doi: 10.1007/s40259-020-00438-7. Fulltekst i vitenarkiv
  • Klepp, Pasquale Catherine; Brackmann, Stephan; Småstuen, Milada Cvancarova; Høivik, Marte Lie; Hovde, Øistein & Henriksen, Magne [Vis alle 15 forfattere av denne artikkelen] (2020). Risk of colorectal cancer in a population-based study 20 years after diagnosis of ulcerative colitis: results from the IBSEN study. BMJ open gastroenterology. ISSN 2054-4774. 7. doi: 10.1136/bmjgast-2019-000361. Fulltekst i vitenarkiv
  • Opheim, Randi; Moum, Bjørn; Grimstad, Tore; Jahnsen, Jørgen; Berset, Ingrid Prytz & Hovde, Øistein [Vis alle 9 forfattere av denne artikkelen] (2020). Self-esteem in patients with inflammatory bowel disease. Quality of Life Research. ISSN 0962-9343. 29, s. 1839–1846 . doi: 10.1007/s11136-020-02467-9. Fulltekst i vitenarkiv
  • Frigstad, Svein Oskar; Høivik, Marte Lie; Jahnsen, Jørgen; Småstuen, Milada C; Grimstad, Tore & Berset, Ingrid Prytz [Vis alle 11 forfattere av denne artikkelen] (2020). Pain Severity and Vitamin D Deficiency in IBD Patients. Nutrients. ISSN 2072-6643. 12(1), s. 1–12. doi: 10.3390/nu12010026. Fulltekst i vitenarkiv
  • Ossum, Alvilde Maria; Palm, Øyvind; Småstuen, Milada C; Bernklev, Tomm; Jahnsen, Jørgen & Moum, Bjørn [Vis alle 7 forfattere av denne artikkelen] (2020). 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). Inflammatory Bowel Diseases. ISSN 1078-0998. doi: 10.1093/ibd/izz105. Fulltekst i vitenarkiv
  • Dahal-Koirala, Shiva; Neumann, Ralf Stefan; Jahnsen, Jørgen; Lundin, Knut Erik Aslaksen & Sollid, Ludvig Magne (2019). On the immune response to barley in celiac disease: Biased and public T-cell receptor usage to a barley unique and immunodominant gluten epitope. European Journal of Immunology. ISSN 0014-2980. s. 1–14. doi: 10.1002/eji.201948253. Fulltekst i vitenarkiv
  • Detlie, Trond Espen; Lindstrøm, Jonas Christoffer; Jahnsen, Marte Eide; Finnes, Elisabeth; Zoller, Heinz & Moum, Bjørn [Vis alle 7 forfattere av denne artikkelen] (2019). Incidence of hypophosphatemia in patients with inflammatory bowel disease treated with ferric carboxymaltose or iron isomaltoside. Alimentary Pharmacology and Therapeutics. ISSN 0269-2813. 50(4), s. 397–406. doi: 10.1111/apt.15386. Fulltekst i vitenarkiv
  • Olbjørn, Christine; Småstuen, Milada Cvancarova; Thiis-Evensen, Espen; Nakstad, Britt; Vatn, Morten H & Jahnsen, Jørgen [Vis alle 20 forfattere av denne artikkelen] (2019). Fecal microbiota profiles in treatment-naive pediatric inflammatory bowel disease ? associations with disease phenotype, treatment, and outcome. Clinical and Experimental Gastroenterology. ISSN 1178-7023. 12, s. 37–49. doi: 10.2147/CEG.S186235. Fulltekst i vitenarkiv
  • Kristensen, Vendel Ailin; Valeur, Jørgen; Brackmann, Stephan; Jahnsen, Jørgen; Brunborg, Cathrine & Tveito, Kari (2019). Attention deficit and hyperactivity disorder symptoms respond to gluten-free diet in patients with coeliac disease. Scandinavian Journal of Gastroenterology. ISSN 0036-5521. 54(5), s. 571–576. doi: 10.1080/00365521.2019.1608467.
  • Goll, Guro Løvik; Jørgensen, Kristin Kaasen; Sexton, Joseph; Olsen, Inge Christoffer; Bolstad, Nils & Haavardsholm, Espen A. [Vis alle 48 forfattere av denne artikkelen] (2019). Long‐term efficacy and safety of biosimilar infliximab (CT‐P13) after switching from originator infliximab: Open‐label extension of the NOR‐SWITCH trial. Journal of Internal Medicine. ISSN 0954-6820. 285(6), s. 653–669. doi: 10.1111/joim.12880. Fulltekst i vitenarkiv
  • Høydahl, Lene Støkken; Richter, Lisa Maria; Frick, Rahel; Snir, Omri; Gunnarsen, Kristin Støen & Landsverk, Ole J. B. [Vis alle 18 forfattere av denne artikkelen] (2019). Plasma Cells Are the Most Abundant Gluten Peptide MHC-expressing Cells in Inflamed Intestinal Tissues From Patients With Celiac Disease. Gastroenterology. ISSN 0016-5085. 156(5), s. 1428–1439.e10. doi: 10.1053/j.gastro.2018.12.013. Fulltekst i vitenarkiv
  • Lunder, Aida Kapic; Bakstad, Linda Tøften; Jahnsen, Jørgen; Borthne, Arne Sigmund; Hov, Johannes Espolin Roksund & Vatn, Morten H [Vis alle 7 forfattere av denne artikkelen] (2019). Assessment of Bowel Inflammation and Strictures by Magnetic Resonance Enterography in Long-term Crohn´s Disease. Journal of Crohn's and Colitis. ISSN 1873-9946. 13(5), s. 607–614. doi: 10.1093/ecco-jcc/jjy208.
  • Kalla, Rahul; Boyapati, Ray; Vatn, Simen Svendsen; Hijos, Gonzalo; Crooks, Benjamin & Moore, Gregory Thomas [Vis alle 11 forfattere av denne artikkelen] (2018). Patients' perceptions of faecal calprotectin testing in inflammatory bowel disease: results from a prospective multicentre patient-based survey. Scandinavian Journal of Gastroenterology. ISSN 0036-5521. 53(12), s. 1437–1442. doi: 10.1080/00365521.2018.1527394.
  • Moen, Aina Elisabeth Fossum; Lindstrøm, Jonas Christoffer; Tannæs, Tone Møller; Vatn, Simen Svendsen; Ricanek, Petr & Vatn, Morten H [Vis alle 8 forfattere av denne artikkelen] (2018). The prevalence and transcriptional activity of the mucosal microbiota of ulcerative colitis patients. Scientific Reports. ISSN 2045-2322. 8:17278. doi: 10.1038/s41598-018-35243-4. Fulltekst i vitenarkiv
  • Frigstad, Svein Oskar; Høivik, Marte Lie; Jahnsen, Jørgen; Småstuen, Milada Cvancarova; Grimstad, Tore & Berset, Ingrid Prytz [Vis alle 11 forfattere av denne artikkelen] (2018). Fatigue is not associated with vitamin D deficiency in inflammatory bowel disease patients . World Journal of Gastroenterology (WJG). ISSN 1007-9327. 24(29), s. 3293–3301. doi: 10.3748/wjg.v24.i29.3293.
  • Hewitt, Stephen I; AASHEIM, ERLEND T.; Søvik, Torgeir Thorson; Jahnsen, Jørgen; Kristinsson, Jon Adalsteinn & Eriksen, Erik Fink [Vis alle 7 forfattere av denne artikkelen] (2018). Relationships of serum 25-hydroxyvitamin D, ionized calcium and parathyroid hormone after obesity surgery. Clinical Endocrinology. ISSN 0300-0664. 88(3), s. 372–379. doi: 10.1111/cen.13531.
  • Sunde, Marie Louise; Ricanek, Petr; Øresland, Tom; Jahnsen, Jørgen; Naimy, Nazir & Færden, Arne Engebreth (2018). Determinants of optimal bowel function in ileal pouch-anal-anastomosis - physiological differences contributing to pouch function. Scandinavian Journal of Gastroenterology. ISSN 0036-5521. 53(1), s. 8–14. doi: 10.1080/00365521.2017.1390601.
  • Kapica, Aida; Jahnsen, Jørgen; Bakstad, Linda Tøften; Borthne, Arne Sigmund; Hov, Johannes Espolin Roksund & Vatn, Morten H [Vis alle 7 forfattere av denne artikkelen] (2018). Bowel Damage in Patients With Long-term Crohn's Disease, Assessed by Magnetic Resonance Enterography and the Lemann Index. Clinical Gastroenterology and Hepatology. ISSN 1542-3565. 16(1), s. 75–82.e5. doi: 10.1016/j.cgh.2017.06.053.
  • Raki, Melinda; Dahal-Koirala, Shiva; Yu, Hao; Korponay-Szabó, Ilma R.; Gyimesi, Judit & Castillejo, Gemma [Vis alle 9 forfattere av denne artikkelen] (2017). Similar Responses of Intestinal T Cells From Untreated Children and Adults With Celiac Disease to Deamidated Gluten Epitopes. Gastroenterology. ISSN 0016-5085. 153(3), s. 787–798.e4. doi: 10.1053/j.gastro.2017.05.016.
  • Jørgensen, Kristin Kaasen; Olsen, Inge Christoffer; Goll, Guro Løvik; Lorentzen, Merete; Bolstad, Nils & Haavardsholm, Espen A. [Vis alle 10 forfattere av denne artikkelen] (2017). 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. The Lancet. ISSN 0140-6736. 389(10086), s. 2304–2316. doi: 10.1016/S0140-6736%2817%2930068-5. Fulltekst i vitenarkiv
  • Reinisch, Walter W.; Jahnsen, Jørgen; Schreiber, Stefan; Danese, Silvio; Panés, Julián & Balsa, Alejandro [Vis alle 10 forfattere av denne artikkelen] (2017). Evaluation of the Cross-reactivity of Antidrug Antibodies to CT-P13 and Infliximab Reference Product (Remicade): An Analysis Using Immunoassays Tagged with Both Agents. BioDrugs. ISSN 1173-8804. 31(3), s. 223–237. doi: 10.1007/s40259-017-0219-4.
  • Jahnsen, Jørgen & Jørgensen, Kristin Kaasen (2017). Experience with Biosimilar Infliximab (Remsima?) in Norway. Digestive Diseases. ISSN 0257-2753. 35(1-2), s. 83–90. doi: 10.1159/000449088.
  • Huppertz-Hauss, Gert; Høivik, Marte; Jelsness-Jørgensen, Lars-Petter; Opheim, Randi; Henriksen, Magne & Høie, Ole Ingebreth [Vis alle 13 forfattere av denne artikkelen] (2017). Fatigue in a population-based cohort of patients with inflammatory bowel disease 20 years after diagnosis: The IBSEN study. Scandinavian Journal of Gastroenterology. ISSN 0036-5521. 52(3), s. 351–358. doi: 10.1080/00365521.2016.1256425.
  • Jelsness-Jørgensen, Lars-Petter; Frigstad, Svein Oskar; Moum, Bjørn; Grimstad, Tore; Opheim, Randi & Jahnsen, Jørgen [Vis alle 7 forfattere av denne artikkelen] (2017). Pain may be an important factor to consider in inflammatory bowel disease patients troubled by fatigue. United European Gastroenterology journal. ISSN 2050-6406. 5(5), s. 687–693. doi: 10.1177/2050640616674654.
  • Frigstad, Svein Oskar; Høivik, Marte; Jahnsen, Jørgen; Dahl, Sandra Rinne; Småstuen, Milada C & Grimstad, Tore [Vis alle 13 forfattere av denne artikkelen] (2017). Vitamin D deficiency in inflammatory bowel disease: Prevalence and predictors in a Norwegian outpatient population. Scandinavian Journal of Gastroenterology. ISSN 0036-5521. 52(1), s. 100–106. doi: 10.1080/00365521.2016.1233577.
  • Jahnsen, Jørgen (2016). Clinical experience with infliximab biosimilar Remsima (CT-P13) in inflammatory bowel disease patients. Therapeutic Advances in Gastroenterology. ISSN 1756-283X. 9(3), s. 322–329. doi: 10.1177/1756283X16636764.
  • Ventham, NT; Kennedy, NA; Adams, AT; Kalla, R; Heath, S & O'Leary, KR [Vis alle 107 forfattere av denne artikkelen] (2016). Integrative epigenome-wide analysis demonstrates that DNA methylation may mediate genetic risk in inflammatory bowel disease. Nature Communications. ISSN 2041-1723. 7. doi: 10.1038/ncomms13507.
  • Moen, Aina Elisabeth Fossum; Tannæs, Tone Møller; Vatn, Simen Svendsen; Ricanek, Petr; Vatn, Morten H & Jahnsen, Jørgen [Vis alle 7 forfattere av denne artikkelen] (2016). Simultaneous purification of DNA and RNA from microbiota in a single colonic mucosal biopsy. BMC Research Notes. ISSN 1756-0500. 9(328). doi: 10.1186/s13104-016-2110-7.
  • Kapica, Aida; Hov, Johannes Espolin Roksund; Borthne, Arne Sigmund; Gleditsch, Jostein; Johannesen, Glenn & Tveit, Knut [Vis alle 19 forfattere av denne artikkelen] (2016). Prevalence of Sclerosing Cholangitis Detected by Magnetic Resonance Cholangiography in Patients With Long-term Inflammatory Bowel Disease. Gastroenterology. ISSN 0016-5085. 151(4), s. 660–669. doi: 10.1053/j.gastro.2016.06.021.
  • Jelsness-Jørgensen, Lars-Petter; Moum, Bjørn; Grimstad, Tore; Jahnsen, Jørgen; Opheim, Randi & Berset, Ingrid Prytz [Vis alle 11 forfattere av denne artikkelen] (2016). Validity, reliability, and responsiveness of the brief pain inventory in inflammatory bowel disease. Canadian journal of gastroenterology & hepatology. ISSN 2291-2789. 2016:5624261. doi: 10.1155/2016/5624261.
  • Huppertz-Hauss, Gert; Høivik, Marte; Jelsness-Jørgensen, Lars-Petter; Henriksen, Magne; Høie, Ole Ingebreth & Jahnsen, Jørgen [Vis alle 9 forfattere av denne artikkelen] (2016). Health-related quality of life in patients with inflammatory bowel disease 20 years after diagnosis: results from the IBSEN study. Inflammatory Bowel Diseases. ISSN 1078-0998. 22(7), s. 1679–1687. doi: 10.1097/MIB.0000000000000806.
  • Hovde, Øistein; Småstuen, Milada C; Høivik, Marte; Bernklev, Tomm; Huppertz-Hauss, Gert & Høie, Ole Ingebreth [Vis alle 11 forfattere av denne artikkelen] (2016). Mortality and Causes of Death in Ulcerative Colitis: Results from 20 Years of Follow-up in the IBSEN Study. Inflammatory Bowel Diseases. ISSN 1078-0998. 22(1), s. 141–145. doi: 10.1097/MIB.0000000000000582.
  • Jahnsen, Jørgen; Detlie, Trond Espen; Vatn, Simen Svendsen & Ricanek, Petr (2015). Biosimilar infliximab (CT-P13) in the treatment of inflammatory bowel disease: A Norwegian observational study. Expert Review of Gastroenterology & Hepatology. ISSN 1747-4124. 9, s. S45–S52. doi: 10.1586/17474124.2015.1091308.
  • Danilova, Elena; Skrindo, Ingebjørg; Gran, Einar; Hales, B. J.; Smith, W. A. & Jahnsen, Jørgen [Vis alle 9 forfattere av denne artikkelen] (2015). A role for CCL28-CCR3 in T-cell homing to the human upper airway mucosa. Mucosal Immunology. ISSN 1933-0219. 8(1), s. 107–114. doi: 10.1038/mi.2014.46.
  • Christophersen, Asbjørn; Raki, Melinda; Bergseng, Elin; Lundin, Knut E A; Jahnsen, Jørgen & Sollid, Ludvig Magne [Vis alle 7 forfattere av denne artikkelen] (2014). Tetramer-visualized gluten-specific CD4+ T cells in blood as a potential diagnostic marker for coeliac disease without oral gluten challenge. United European Gastroenterology journal. ISSN 2050-6406. 2(4), s. 268–278. doi: 10.1177/2050640614540154.
  • Steinsbø, Øyvind; Dunand, Carole J.Henry; Huang, Min; Mesin, Luka; Salgado-Ferrer, Marlene & Lundin, Knut E A [Vis alle 9 forfattere av denne artikkelen] (2014). Restricted VH/VL usage and limited mutations in gluten-specific IgA of coeliac disease lesion plasma cells. Nature Communications. ISSN 2041-1723. 5. doi: 10.1038/ncomms5041.
  • Hovde, Øistein; Kempski-Monstad, Iril Lovise; Småstuen, Milada Cvancarova; Solberg, Inger Camilla; Henriksen, Magne & Jahnsen, Jørgen [Vis alle 8 forfattere av denne artikkelen] (2014). Mortality and causes of death in Crohn's disease: Results from 20 years of follow-up in the IBSEN study. Gut. ISSN 0017-5749. 63(5), s. 771–775. doi: 10.1136/gutjnl-2013-304766.
  • De Vos, Martine; Louis, Edouard; Jahnsen, Jørgen; Vandervoort, JG; Noman, Maja & Dewit, Olivier [Vis alle 37 forfattere av denne artikkelen] (2013). Consecutive fecal calprotectin measurements to predict relapse in patients with ulcerative colitis receiving infliximab maintenance therapy. Inflammatory Bowel Diseases. ISSN 1078-0998. 19(10), s. 2111–2117. doi: 10.1097/MIB.0b013e31829b2a37.
  • Bodd, Michael; Raki, Melinda; Bergseng, Elin; Jahnsen, Jørgen; Lundin, Knut E A & Sollid, Ludvig Magne (2013). Direct cloning and tetramer staining to measure the frequency of intestinal gluten-reactive T cells in celiac disease. European Journal of Immunology. ISSN 0014-2980. 43(10), s. 2605–2612. doi: 10.1002/eji.201343382.
  • Raki, Melinda; Røberg Beitnes, Ann-Christin; Lundin, Knut E A; Jahnsen, Jørgen; Jahnsen, Frode Lars & Sollid, Ludvig Magne (2013). Plasmacytoid dendritic cells are scarcely represented in the human gut mucosa and are not recruited to the celiac lesion. Mucosal Immunology. ISSN 1933-0219. 6, s. 985–992. doi: 10.1038/mi.2012.136.
  • Hewitt, Stephen; Søvik, Torgeir Thorson; AASHEIM, ERLEND T.; Kristinsson, Jon Adalsteinn; Jahnsen, Jørgen & Birketvedt, Grethe [Vis alle 9 forfattere av denne artikkelen] (2013). Secondary Hyperparathyroidism, Vitamin D Sufficiency, and Serum Calcium 5 Years After Gastric Bypass and Duodenal Switch. Obesity Surgery. ISSN 0960-8923. 23(3), s. 384–390. doi: 10.1007/s11695-012-0772-3.

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  • Syversen, Silje Watterdal; Jahnsen, Jørgen & Haavardsholm, Espen A. (2022). Therapeutic Drug Monitoring vs Standard Therapy During Maintenance Infliximab Therapy and Control of Immune-Mediated Inflammatory Diseases-Reply. Journal of the American Medical Association (JAMA). ISSN 0098-7484. 327(15), s. 1506–1507. doi: 10.1001/jama.2022.2938.
  • Bjørlykke, Kristin Hammersbøen; Eftang, Lars Lohne; Grzyb, Krzysztof; Line, Pål Dag; Lassen, Kristoffer & Jahnsen, Jørgen (2020). A man in his fifties with abdominal pain, itching and weight loss. Tidsskrift for Den norske legeforening. ISSN 0029-2001. doi: 10.4045/tidsskr.19.0390.
  • Kim, HoUng; Alten, Rieke; Avedano, Luisa; Dignass, Axel; Gomollón, Fernando & Greveson, Kay [Vis alle 19 forfattere av denne artikkelen] (2020). Correction to: The Future of Biosimilars: Maximizing Benefits Across Immune-Mediated Inflammatory Diseases. Drugs. ISSN 0012-6667. 80(10), s. 1039–1040. doi: 10.1007/s40265-020-01333-9.
  • Detlie, Trond Espen & Jahnsen, Jørgen (2020). Editorial: improving precision of iron deficiency diagnosis in inflammatory bowel disease. Alimentary Pharmacology and Therapeutics. ISSN 0269-2813. 52(2). doi: 10.1111/apt.15809.
  • Mortensen, Joachim Høg; Lunder, Aida Kapic; Manon-Jensen, Tina; Karsdal, MA; Nielsen, Mette & Leeming, DJ [Vis alle 13 forfattere av denne artikkelen] (2020). P117 Biomarkers of extracellular matrix remodelling are associated with intestinal fibrosis assessed by magnetic resonance enterography and accumulated intestinal damage (Lémann index): the IBSEN study.
  • Detlie, Trond Espen & Jahnsen, Jørgen (2019). Editorial: awareness and prevention of intravenous iron-induced hypophosphataemia. Authors' reply. Alimentary Pharmacology and Therapeutics. ISSN 0269-2813. 50(5), s. 610–611. doi: 10.1111/apt.15443.
  • Opheim, Randi; Jahnsen, Jørgen; Bernklev, Tomm; Høie, Ole Ingebreth; Huppertz-Hauss, Gert & Moum, Bjørn (2019). Complementary and alternative medicine in patients with inflammatory bowel disease 20 years after diagnosis: Results from the IBSEN study. American Journal of Gastroenterology. ISSN 0002-9270. 114, s. S12–S13. doi: 10.14309/01.ajg.0000578256.56976.23.
  • Kristensen, Vendel Ailin; Valeur, Jørgen; Brackmann, Stephan; Jahnsen, Jørgen & Tveito, Kari (2019). Kognitive symptomer hos pasienter med cøliaki før og etter glutenfri kost.
  • Opheim, Randi; Bernklev, Tomm; Jahnsen, Jørgen; Grimstad, Tore; Hovde, Øistein & Berset, Ingrid Prytz [Vis alle 8 forfattere av denne artikkelen] (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.
  • Moen, Aina Elisabeth Fossum; Lindstrøm, Jonas Christoffer; Tannæs, Tone Møller; Vatn, Simen Svendsen; Vatn, Morten H & Jahnsen, Jørgen [Vis alle 8 forfattere av denne artikkelen] (2018). Microbial expression in biopsies from ulcerative colitis at the time of diagnosis: bacterial activity is unrelated to abundancy.
  • Lunder, Aida Kapic; Bakstad T, Linda; Kapica, Aida; Jahnsen, Jørgen; Hov, Johannes Espolin Roksund & Borthne, Arne Sigmund [Vis alle 8 forfattere av denne artikkelen] (2018). Assessment of Inflammation by Magnetic Resonance Enterography in Long-term Crohn´s Disease .
  • Jørgensen, Kristin Kaasen; Inge Christoffer, Olsen; Goll, Guro Løvik; Lorentzen, Merete; Bolstad, Nils & Berset, Ingrid Prytz [Vis alle 11 forfattere av denne artikkelen] (2017). Biosimilar infliximab (CT-P13) is not inferior to originator infliximab: explorative IBD subgroup-analyses in Crohn’s disease and ulcerative colitis from the NOR-SWITCH trial. Journal of Crohn's and Colitis. ISSN 1873-9946. 11, s. 62–63. doi: 10.1093/ecco-jcc/jjx002.099.
  • Frigstad, Svein Oskar; Høivik, Marte Lie; Jahnsen, Jørgen; Dahl, Sandra Rinne; Cvancarova, Milada & Grimstad, Tore [Vis alle 13 forfattere av denne artikkelen] (2017). Vitamin D deficiency is not associated with depression in IBD patients. Journal of Crohn's and Colitis. ISSN 1873-9946. 11, s. 444–445. doi: 10.1093/ecco-jcc/jjx002.834.
  • Jørgensen, Kristin Kaasen; Lundin, Knut Erik Aslaksen; Olsen, Inge Christoffer; Kvien, Tore Kristian & Jahnsen, Jørgen (2017). Efficacy of infliximab biosimilars in patients with Crohn's disease - Authors' reply. The Lancet. ISSN 0140-6736. 390(10111), s. 2436–2436. doi: 10.1016/S0140-6736%2817%2932463-7.
  • Moen, Aina Elisabeth Fossum; Lindstrøm, Jonas Christoffer; Tannæs, Tone Møller; Vatn, Simen Svendsen; Ricanek, Petr & Vatn, Morten H [Vis alle 8 forfattere av denne artikkelen] (2017). The most active members of the inflamed mucosal-associated microbiota are not the most abundant in ulcerative colitis patients.
  • Jørgensen, Kristin Kaasen; Inge Christoffer, Olsen; Goll, Guro Løvik; Lorentzen, Merete; Bolstad, Nils & Berset, Ingrid Prytz [Vis alle 11 forfattere av denne artikkelen] (2017). Biosimilar Infliximab (CT-P13) is not Inferior to Originator Infliximab: Explorative IBD Subgroup-Analyses in Crohn's Disease and Ulcerative Colitis from the Nor-Switch Trial. Gastroenterology. ISSN 0016-5085. 152(5), s. 65–66. doi: 10.1016/S0016-5085%2817%2930572-3.
  • Frigstad, Svein Oskar; Høivik, Marte Lie; Jahnsen, Jørgen; Småstuen, Milada C; Grimstad, Tore & Berset, Ingrid Prytz [Vis alle 12 forfattere av denne artikkelen] (2017). Fatigue is not Associated with Vitamin D Deficiency in IBD Patients. Gastroenterology. ISSN 0016-5085. 152(5). doi: 10.1016/S0016-5085%2817%2933218-3.
  • Lunder, Aida Kapic; Jahnsen, Jørgen; Bakstad T, Linda; Borthne, Arne Sigmund; Hov, Johannes Espolin Roksund & Vatn, Morten H [Vis alle 7 forfattere av denne artikkelen] (2017). Long-term Crohn's Disease Assessed by Magnetic Resonance Enterography and Lemann Index: Disease Extent and Bowel Damage in a Population Based Cohort.
  • Frigstad, Svein Oskar; Høivik, Marte Lie; Småstuen, Milada C; Jahnsen, Jørgen; Dahl, Sandra Rinne & Berset, Ingrid Prytz [Vis alle 13 forfattere av denne artikkelen] (2017). Fatigue er ikke assosiert med vitamin D mangel hos IBD pasienter.
  • Frigstad, Svein Oskar; Bernklev, Tomm; Dahl, Sandra Rinne; Hovde, Øistein; Jahnsen, Jørgen & Grimstad, Tore [Vis alle 10 forfattere av denne artikkelen] (2017). Vitamin D deficiency is not associated with chronic fatigue in inflammatory bowel disease.
  • Frigstad, Svein Oskar; Høivik, Marte Lie; Moum, Bjørn; Dahl, Sandra Rinne; Jahnsen, Jørgen & Småstuen, Milada Cvancarova [Vis alle 12 forfattere av denne artikkelen] (2017). Vitamin D deficiency is not associated with depression in IBD patients.
  • Moen, Aina Elisabeth Fossum; Tannæs, Tone Møller; Kennedy, NA; Rudi, Knut; Vatn, Morten H & Jahnsen, Jørgen [Vis alle 7 forfattere av denne artikkelen] (2015). Comparison of 16S rDNA and rRNA datasets for characterization of the mucosal microbiota in patients with ulcerative colitis.
  • Moen, Aina Elisabeth Fossum; Tannæs, Tone Møller; Kennedy, Nicholas A; Rudi, Knut; Vatn, Morten H & Jahnsen, Jørgen (2015). Comparison of 16S rDNA and rRNA datasets for characterization of the mucosal microbiota in patients with ulcerative colitis.
  • Negard, Anne; Redalen, Kathrine Røe; Jahnsen, Jørgen; Færden, Arne Engebret; Ree, Anne Hansen & Vatn, Morten H (2014). Crohns disease and secondary malignancy: Morphological findings with MRI and CT and how novel functional MR sequences can improve diagnostics.
  • Bernklev, Tomm; Huppertz-Hauss, Gert; Jelsness-Jørgensen, Lars-Petter; Høivik, Marte; Opheim, Randi & Jahnsen, Jørgen [Vis alle 7 forfattere av denne artikkelen] (2014). Chronic Fatigue Twenty Years After Diagnosis. Results from the IBSEN-Study. Inflammatory Bowel Diseases. ISSN 1078-0998. 20(12), s. 31–32. doi: 10.1097/01.MIB.0000456782.03905.38.

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Publisert 25. apr. 2013 15:03 - Sist endret 19. juni 2017 14:48

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