Ole Haagen Nielsen

Ole Haagen Nielsen

Clinical Professor

Member of:

  • Internal Medicine: Gastroenterology and Hepatology


  1. Steady-state kinetics of 5-aminosalicylic acid and sulfapyridine during sulfasalazine prophylaxis in ulcerative colitis

    Bondesen, S., Nielsen, Ole Haagen, Schou, J. B., Jensen, P. H., Lassen, L. B., Binder, V., Krasilnikoff, P. A., Danø, P., Hansen, S. H. & Rasmussen, S. N., 1986, In: Scandinavian Journal of Gastroenterology. 21, 6, p. 693-700 8 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  2. 5-Aminosalicylic acid enemas in patients with active ulcerative colitis. Influence of acidity on the kinetic pattern

    Bondesen, S., Nielsen, Ole Haagen, Jacobsen, O., Rasmussen, S. N., Hansen, S. H., Halskov, S., Binder, V. & Hvidberg, E. F., 1984, In: Scandinavian Journal of Gastroenterology. 19, 5, p. 677-82 6 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  3. Published

    Inflammatory Bowel Disease and Small Bowel Cancer Risk, Clinical Characteristics, and Histopathology: A Population-Based Study

    Bojesen, R. D., Riis, Lene Buhl, Høgdall, Estrid Vilma Solyom, Nielsen, Ole Haagen & Jess, T., Dec 2017, In: Clinical Gastroenterology and Hepatology. 15, 12, p. 1900-1907.e2

    Research output: Contribution to journalJournal articleResearchpeer-review

  4. Published

    Incidence of, phenotypes of and survival from small bowel cancer in Denmark, 1994-2010: a population-based study

    Bojesen, R. D., Andersson, M., Riis, Lene Buhl, Nielsen, Ole Haagen & Jess, T., Sep 2016, In: Journal of Gastroenterology. 51, 9, p. 891-9 9 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  5. Published

    Metabonomics uncovers a reversible proatherogenic lipid profile during infliximab therapy of inflammatory bowel disease

    Bjerrum, J. T., Steenholdt, C., Ainsworth, M., Nielsen, Ole Haagen, Reed, M. A. C., Atkins, K., Günther, U. L., Hao, F. & Wang, Y., 2017, In: BMC Medicine. 15, 1, 13 p., 184.

    Research output: Contribution to journalJournal articleResearchpeer-review

  6. Published

    Metabonomics in gastroenterology and hepatology

    Bjerrum, Jakob Tveiten & Nielsen, Ole Haagen, 1 Aug 2019, In: International Journal of Molecular Sciences. 20, 15, 3638.

    Research output: Contribution to journalEditorialResearchpeer-review

  7. Published

    Genome-wide Gene Expression Analysis of Mucosal Colonic Biopsies and Isolated Colonocytes Suggests a Continuous Inflammatory State in the Lamina Propria of Patients with Quiescent Ulcerative Colitis

    Bjerrum, Jakob Tveiten , Hansen, M., Olsen, Jørgen, Nielsen, Ole Haagen, Bjerrum, J. T., Hansen, M., Olsen, J. & Nielsen, Ole Haagen, 2010, In: Inflammatory Bowel Diseases. 16, 6, p. 999-1007 9 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  8. Published

    Lipidomic Trajectories Characterize Delayed Mucosal Wound Healing in Quiescent Ulcerative Colitis and Identify Potential Novel Therapeutic Targets

    Bjerrum, Jakob Tveiten , Wang, Y., Zhang, J., Riis, Lene Buhl, Nielsen, Ole Haagen & Seidelin, Jakob Benedict, 2022, In: International Journal of Biological Sciences. 18, 5, p. 1813-1828 16 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  9. Published

    Perioperativ blodtransfusion og recidiv af karcinom i colon og rectum: Gennemgang af et Cochrane-review

    Bjerrum, Jakob Tveiten , Jensen, L. S. & Nielsen, Ole Haagen, 21 Aug 2006, In: Ugeskrift for Laeger. 168, 34, 1 p.

    Research output: Contribution to journalReviewResearchpeer-review

  10. Published

    Metabonomics of human fecal extracts characterize ulcerative colitis, Crohn's disease and healthy individuals

    Bjerrum, Jakob Tveiten , Wang, Y., Hao, F., Coskun, M., Ludwig, C., Guenther, U. & Nielsen, Ole Haagen, 2015, In: Metabolomics. 11, 1, p. 122-133 12 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

ID: 4947702