Ole Haagen Nielsen

Ole Haagen Nielsen

Clinical Professor

Member of:

  • Internal Medicine: Gastroenterology and Hepatology

ORCID: 0000-0003-4612-8635

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  1. Published

    Protective effect of preexisting rotavirus-specific immunoglobulin A against naturally acquired rotavirus infection in children

    Hjelt, K., Grauballe, P. C., Paerregaard, A., Nielsen, Ole Haagen & Krasilnikoff, P. A., Jan 1987, In: Journal of Medical Virology. 21, 1, p. 39-47 9 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  2. Published

    Concentrations of IgA, secretory IgA, IgM, secretory IgM, IgD, and IgG in the upper jejunum of children without gastrointestinal disorders

    Hjelt, K., Sørensen, C. H., Nielsen, Ole Haagen & Krasilnikoff, P. A., 1 Nov 1988, In: Journal of Pediatric Gastroenterology and Nutrition. 7, 6, p. 867-71 5 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  3. Published

    Culturing human intestinal stem cells for regenerative applications in the treatment of inflammatory bowel disease

    Holmberg, F. E., Seidelin, Jakob Benedict, Yin, X., Mead, B. E., Tong, Z., Li, Yuan, Karp, J. M. & Nielsen, Ole Haagen, 2017, In: EMBO Molecular Medicine. 9, 5, p. 558-570 13 p.

    Research output: Contribution to journal › Review › Research › peer-review

  4. Published

    Intestinal barrier integrity and inflammatory bowel disease: Stem cell-based approaches to regenerate the barrier

    Holmberg, F. E. O., Pedersen, J., Jørgensen, P., Soendergaard, C., Jensen, Kim Bak & Nielsen, Ole Haagen, Apr 2018, In: Journal of Tissue Engineering and Regenerative Medicine. 12, 4

    Research output: Contribution to journal › Review › Research › peer-review

  5. Published

    COLAR: open-label clinical study of IL-6 blockade with tocilizumab for the treatment of immune checkpoint inhibitor-induced colitis and arthritis

    Holmstroem, R. B., Nielsen, Ole Haagen, Jacobsen, Søren, Riis, Lene Buhl, Theile, S., Bjerrum, Jakob Tveiten , Vilmann, Peter, Johansen, Julia Sidenius, Boisen, M. K., Eefsen, R. H. L., Svane, Inge Marie, Nielsen, Dorte Lisbet & Chen, I. M., 2022, In: Journal for ImmunoTherapy of Cancer. 10, 9

    Research output: Contribution to journal › Journal article › Research › peer-review

  6. Published

    Total levels of tissue inhibitor of metalloproteinases 1 in plasma yield high diagnostic sensitivity and specificity in patients with colon cancer

    Holten-Andersen, M. N., Christensen, I. J., Nielsen, H. J., Stephens, R. W., Jensen, V., Nielsen, Ole Haagen, Sørensen, S., Overgaard, J., Lilja, H., Harris, A., Murphy, G. & Brünner, N., Jan 2002, In: Clinical Cancer Research. 8, 1, p. 156-64 9 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  7. Published

    Serum antibodies to cow's milk folate-binding protein in patients with chronic inflammatory bowel disease

    Høier-Madsen, M., Holm, J., Hansen, S. I. & Nielsen, Ole Haagen, 1989, In: International Journal of Tissue Reactions. 11, 6, p. 327-32 6 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  8. Published

    SMAC mimetics and RIPK inhibitors as therapeutics for chronic inflammatory diseases

    Jensen, S., Seidelin, Jakob Benedict, LaCasse, E. C. & Nielsen, Ole Haagen, 2020, In: Science Signaling. 13, 619, 18 p., eaax8295.

    Research output: Contribution to journal › Review › Research › peer-review

  9. Published

    Are NOD2 polymorphisms linked to a specific disease endophenotype of Crohn's disease?

    Jensen, S. R., Nielsen, Ole Haagen & Brix, S., 2011, In: Inflammatory Bowel Diseases. 17, 11, p. 2392-401 10 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  10. Published

    Ex vivo intestinal adhesion of Escherichia coli LF82 in Crohn's disease

    Jensen, S. R., Fink, L. N., Nielsen, Ole Haagen, Brynskov, J. & Brix, S., 2011, In: Microbial Pathogenesis. 51, 6, p. 426-31 6 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  11. Published

    Quantification of specific E. coli in gut mucosa from Crohn's disease patients

    Jensen, S. R., Fink, L. N., Struve, C., Sternberg, C., Andersen, Jens Bo, Brynskov, J., Nielsen, Ole Haagen & Brix, S., Jul 2011, In: Journal of Microbiological Methods. 86, 1, p. 111-4 4 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  12. Published

    Alpha-defensin DEFA1A3 gene copy number elevation in Danish Crohn's disease patients

    Jespersgaard, C., Fode, P., Dybdahl, M., Vind, Ida, Nielsen, Ole Haagen, vlz241, vlz241, Munkholm, Pia, Vainer, B., Riis, L., Elkjaer, M., Pedersen, N., Knudsen, E. & Andersen, P. S., Dec 2011, In: Digestive Diseases and Sciences. 56, 12, p. 3517-24 8 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  13. Published

    Systemic inflammatory responses during laparoscopic and open inguinal hernia repair: a randomised prospective study

    Jess, P., Schultz, K., Bendtzen, K. & Nielsen, Ole Haagen, 1 Jul 2000, In: European Journal of Surgery. 166, 7, p. 540-4 5 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  14. Published

    Normal cultivable microflora in upper jejunal fluid in children without gastrointestinal disorders

    Justesen, Torkild, Nielsen, Ole Haagen, Hjelt, K. & Krasilnikoff, P. A., Nov 1984, In: Journal of Pediatric Gastroenterology and Nutrition. 3, 5, p. 683-6 4 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  15. The normal cultivable microflora in upper jejunal fluid in healthy adults

    Justesen, T., Nielsen, Ole Haagen, Jacobsen, I. E., Lave, J. & Rasmussen, S. N., 1984, In: Scandinavian Journal of Gastroenterology. 19, 2, p. 279-82 4 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  16. Published

    Identification, isolation and analysis of human gut-associated lymphoid tissues

    Jørgensen, P. B., Fenton, T. M., Mörbe, U. M., Riis, Lene Buhl, Jakobsen, H. L., Nielsen, Ole Haagen & Agace, W. W., 22 Feb 2021, In: Nature Protocols. 16, p. 2051–2067

    Research output: Contribution to journal › Journal article › Research › peer-review

  17. Published

    Dagens Medicin: Katastrofalt spild af forskningsressourcer.

    Jørgensen, Povl & Nielsen, Ole Haagen, 10 Jan 2005, In: Ugeskrift for Laeger. 167, 2, 1 p.

    Research output: Contribution to journal › Letter › Research › peer-review

  18. Published

    Kolorektal cancerudvikling ved colitis ulcerosa

    Kallesøe, J., Langholz, Ebbe, Frisch, M., Bjerrum, J. T. & Nielsen, Ole Haagen, 25 Oct 2010, In: Ugeskrift for Laeger. 172, 43, p. 2960-2 3 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  19. Published

    Mucosal vitamin D signaling in inflammatory bowel disease

    Kellermann, L., Jensen, Kim Bak, Bergenheim, F., Gubatan, J., Chou, N. D., Moss, A. & Nielsen, Ole Haagen, 2020, In: Autoimmunity Reviews. 19, 11, 102672.

    Research output: Contribution to journal › Review › Research › peer-review

  20. Published

    A randomized controlled trial of the efficacy and safety of CCX282-B, an orally-administered blocker of chemokine receptor CCR9, for patients with Crohn's disease

    Keshav, S., Vaňásek, T., Niv, Y., Petryka, R., Howaldt, S., Bafutto, M., Rácz, I., Hetzel, D., Nielsen, Ole Haagen, Vermeire, S., Reinisch, W., Karlén, P., Schreiber, S., Schall, T. J. & Bekker, P., 2013, In: P L o S One. 8, 3, 12 p., e60094.

    Research output: Contribution to journal › Journal article › Research › peer-review

  21. Published

    Interleukin-2 receptor alpha and beta chain expression by circulating alpha beta and gamma delta T cells in inflammatory bowel disease

    Kirman, I., Nielsen, Ole Haagen, Kjaersgaard, E. & Brynskov, J., Feb 1995, In: Digestive Diseases and Sciences. 40, 2, p. 291-5 5 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  22. Published

    Increased numbers of interleukin-15-expressing cells in active ulcerative colitis

    Kirman, I. & Nielsen, Ole Haagen, Sep 1996, In: The American Journal of Gastroenterology. 91, 9, p. 1789-94 6 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  23. Published

    Interleukin-15 and its role in chronic inflammatory diseases

    Kirman, I., Vainer, B. & Nielsen, Ole Haagen, 28 Aug 1998, In: Inflammation Research. 47, 7, p. 285-289 5 p.

    Research output: Contribution to journal › Review › Research › peer-review

  24. Published

    LFA-1 subunit expression in ulcerative colitis patients

    Kirman, I. & Nielsen, Ole Haagen, 14 May 1996, In: Digestive Diseases and Sciences. 41, 4, p. 670-676 7 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  25. Published

    Pitfalls of anticytokine autoantibody ELISA: False-positive results in Crohn's disease with hyperimmunoglobulinemia [13]

    Kirman, I. & Nielsen, Ole Haagen, 21 Oct 1996, In: American Journal of Gastroenterology. 91, 10, p. 2258-2259 2 p.

    Research output: Contribution to journal › Letter › Research › peer-review

  26. Published

    Expression of common gamma chain on peripheral blood mononuclear cells in Crohn's disease

    Kirman, I. & Nielsen, Ole Haagen, 22 Mar 1997, In: Digestive Diseases and Sciences. 42, 2, p. 372-377 6 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  27. Published

    Insulin-like growth factor binding protein 3 in inflammatory bowel disease

    Kirman, I., Whelan, R. L., Jain, S., Nielsen, S. E., Seidelin, Jakob Benedict & Nielsen, Ole Haagen, Apr 2005, In: Digestive Diseases and Sciences. 50, 4, p. 780-4 5 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  28. Published

    Infliximab: Mechanism of action beyond TNF-α neutralization in inflammatory bowel disease

    Kirman, I., Whelan, R. L. & Nielsen, Ole Haagen, 1 Jul 2004, In: European Journal of Gastroenterology and Hepatology. 16, 7, p. 639-641 3 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  29. Published

    Prognosis After First-Time Myocardial Infarction in Patients With Inflammatory Bowel Disease According to Disease Activity: Nationwide Cohort Study

    Kristensen, S. L., Ahlehoff, O., Lindhardsen, J., Erichsen, R., Lamberts, M., Khalid, U., Nielsen, Ole Haagen, Torp-Pedersen, Christian, Gislason, Gunnar Hilmar & Hansen, Peter Riis, Nov 2014, In: Circulation. Cardiovascular Quality and Outcomes (Print). 7, 6, p. 857-862 6 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  30. Published

    Increased risk of venous thromboembolism and arterial cardiovascular events in patients with inflammatory bowel disease

    Kristensen, S. L., Ahlehoff, O., Lindhardsen, J., Gislason, Gunnar Hilmar, Nielsen, Ole Haagen & Hansen, Peter Riis, 2012, In: Ugeskrift for Laeger. 174, 48, p. 3003-3006 4 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  31. Published

    Disease activity in inflammatory bowel disease is associated with increased risk of myocardial infarction, stroke and cardiovascular death - a danish nationwide cohort study

    Kristensen, S. L., Ahlehoff, O., Lindhardsen, J., Erichsen, R., Jensen, G. V. H., Torp-Pedersen, Christian, Nielsen, Ole Haagen, Gislason, Gunnar Hilmar & Hansen, Peter Riis, 2013, In: P L o S One. 8, 2, p. e56944

    Research output: Contribution to journal › Journal article › Research › peer-review

  32. Published

    Correction: Disease activity in inflammatory bowel disease is associated with increased risk of myocardial infarction, stroke and cardiovascular death - A danish nationwide cohort study (PLoS ONE)

    Kristensen, S. L., Ahlehoff, O., Lindhardsen, Jesper, Erichsen, R., Jensen, G. V., Torp-Pedersen, Christian, Nielsen, Ole Haagen, Gislason, Gunnar Hilmar & Hansen, Peter Riis, 29 Apr 2013, In: PLoS ONE. 8, 4

    Research output: Contribution to journal › Comment/debate › Research › peer-review

  33. Published

    Increased risk of atrial fibrillation and stroke during active stages of inflammatory bowel disease: a nationwide study

    Kristensen, S. L., Lindhardsen, J., Ahlehoff, O., Erichsen, R., Lamberts, M., Khalid, U., Torp-Pedersen, C., Nielsen, Ole Haagen, Gislason, Gunnar Hilmar & Hansen, Peter Riis, Apr 2014, In: Europace. 16, 4, p. 477-484 8 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  34. Published

    Inflammatory Bowel Disease Is Associated With an Increased Risk of Hospitalization for Heart Failure: a Danish Nationwide Cohort A Danish Nationwide Cohort Study

    Kristensen, S. L., Ahlehoff, O., Lindhardsen, J., Erichsen, R., Lamberts, M., Khalid, U., Nielsen, Ole Haagen, Torp-Pedersen, C., Gislason, G. H. & Hansen, Peter Riis, Sep 2014, In: Circulation: Heart Failure. 7, 5, p. 717-722 6 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  35. Published

    Induction of endogenous arachidonic acid metabolism in human neutrophils with snake venom phospholipase A2, immune complexes, and A23187

    Langholz, Ebbe & Nielsen, Ole Haagen, Mar 1990, In: Prostaglandins, Leukotrienes & Essential Fatty Acids. 39, 3, p. 227-9 3 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  36. Published

    Incidence and prevalence of ulcerative colitis in Copenhagen county from 1962 to 1987

    Langholz, Ebbe, Munkholm, Pia, Nielsen, Ole Haagen, Kreiner, Svend & Binder, V., Dec 1991, In: Scandinavian Journal of Gastroenterology. 26, 12, p. 1247-56 10 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  37. Published

    Arachidonic acid metabolism in neutrophil granulocytes obtained from synovial fluid in rheumatoid arthritis

    Langholz, Ebbe, Nielsen, Ole Haagen, Ahnfelt-Rønne, I. & Elmgreen, J., 1990, In: Scandinavian Journal of Rheumatology. 19, 6, p. 387-91 5 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  38. Published

    Changes in Extent of Ulcerative Colitis: A Study on the Course and Prognostic Factors

    Langholz, Ebbe, Munkholm, Pia, Davidsen, M., Nielsen, Ole Haagen & Binder, V., 1 Jan 1996, In: Scandinavian Journal of Gastroenterology. 31, 3, p. 260-266 7 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  39. Published

    Ekstraintestinale manifestationer ved inflammatorisk tarmsygdom

    Larsen, S., Bendtzen, K. & Nielsen, Ole Haagen, 2009, In: Ugeskrift for læger. 171, 43, p. 3078-83 5 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  40. Published

    Extraintestinal manifestations of inflammatory bowel disease: epidemiology, diagnosis, and management

    Larsen, S., Bendtzen, K. & Nielsen, Ole Haagen, 2010, In: Annals of Medicine. 42, 2, p. 97-114 17 p.

    Research output: Contribution to journal › Review › Research › peer-review

  41. Published

    COX-2-PGE2 Signaling Impairs Intestinal Epithelial Regeneration and Associates with TNF Inhibitor Responsiveness in Ulcerative Colitis

    Li, Yuan, Soendergaard, C., Bergenheim, F. H., Aronoff, D. M., Milne, G., Riis, Lene Buhl, Seidelin, Jakob Benedict, Jensen, Kim Bak & Nielsen, Ole Haagen, 2018, In: EBioMedicine. 36, p. 497-507

    Research output: Contribution to journal › Journal article › Research › peer-review

  42. Published

    Increased hepatic urea synthesis in patients with active inflammatory bowel disease

    Lundsgaard, C., Hamberg, O., Thomsen, O. Ø., Nielsen, Ole Haagen & Vilstrup, H., 1 Jan 1996, In: Journal of Hepatology. 24, 5, p. 587-593 7 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  43. Published

    Accelereret urinstofsyntese hos patienter med aktiv inflammatorisk tarmsygdom

    Lundsgaard, C., Hamberg, O., Thomsen, O. Ø., Nielsen, Ole Haagen & Vilstrup, H., 27 Oct 1997, In: Ugeskrift for Laeger. 159, 44, p. 6519-6522 4 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  44. Published

    An open-labeled, randomized study comparing systemic interferon-alpha-2A and prednisolone enemas in the treatment of left-sided ulcerative colitis

    Madsen, S. M., Schlichting, P., Davidsen, B., Nielsen, Ole Haagen, Federspiel, B., Riis, P. & Munkholm, Pia, Jun 2001, In: The American Journal of Gastroenterology. 96, 6, p. 1807-15 9 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  45. Published

    Cytokines and organ failure in acute pancreatitis: inflammatory response in acute pancreatitis

    Malmstrøm, M. L., Hansen, M. B., Andersen, A. M., Ersbøll, A. K., Nielsen, Ole Haagen, Jørgensen, Lars Nannestad & Novovic, S., 2012, In: Pancreas. 41, 2, p. 271-7 7 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  46. Published

    CARD15 single nucleotide polymorphisms 8, 12 and 13 are not increased in ethnic Danes with sarcoidosis

    Milman, N., Nielsen, Ole Haagen, Hviid, Thomas Vauvert F. & Fenger, K., 2007, In: Respiration; international review of thoracic diseases. 74, 1, p. 76-9 4 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  47. Published

    Blaus syndrom hos enæggede tvillinger

    Milman, N., Hansen, Alastair, Hansen, T. V. O., Byg, K. E., Nielsen, Ole Haagen, Møller, N. J. E., Hall, N. M. & Nieman, C. U., 16 Oct 2006, In: Ugeskrift for Laeger. 168, 42, p. 3631-3633 3 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  48. Published

    Favourable effect of TNF-alpha inhibitor (infliximab) on Blau syndrome in monozygotic twins with a de novo CARD15 mutation

    Milman, N., Andersen, C. B., Hansen, A., Hansen, Thomas van Overeem, Nielsen, Finn Cilius, Fledelius, H., Ahrens, P. & Nielsen, Ole Haagen, Dec 2006, In: APMIS : acta pathologica, microbiologica, et immunologica Scandinavica. 114, 12, p. 912-9 8 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  49. Published

    Incidence and prevalence of Crohn's disease in the county of Copenhagen, 1962-87: a sixfold increase in incidence

    Munkholm, Pia, Langholz, Ebbe, Nielsen, Ole Haagen, Kreiner, Svend & Binder, V., Jul 1992, In: Scandinavian Journal of Gastroenterology. 27, 7, p. 609-14 6 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  50. Published

    Stigende incidens af morbus Crohn i Københavns Amt

    Munkholm, Pia, Langholz, Ebbe, Nielsen, Ole Haagen, Kreiner, Svend & Binder, V., 4 Oct 1993, In: Ugeskrift for Laeger. 155, 40, p. 3199-202 4 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  51. Published

    Impact of feedback and monitoring on colonoscopy withdrawal times and polyp detection rates

    Nielsen, A. B., Nielsen, Ole Haagen & Hendel, J., 2017, In: BMJ Open Gastroenterology. 4, 6 p., e000142.

    Research output: Contribution to journal › Journal article › Research › peer-review

  52. Published

    Inhibition of 5-lipoxygenase pathway of arachidonic acid metabolism in human neutrophils by sulfasalazine and 5-aminosalicylic acid

    Nielsen, Ole Haagen, Bukhave, K., Elmgreen, J. & Ahnfelt-Rønne, I., Jun 1987, In: Digestive Diseases and Sciences. 32, 6, p. 577-82 6 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  53. Published

    4-Aminosalicylic acid, in contrast to 5-aminosalicylic acid, has no effect on arachidonic acid metabolism in human neutrophils, or on the free radical 1,1-diphenyl-2-picrylhydrazyl

    Nielsen, Ole Haagen & Ahnfelt-Rønne, I., Apr 1988, In: Pharmacology & Toxicology. 62, 4, p. 223-6 4 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  54. Published

    Source of endogenous arachidonate and 5-lipoxygenase products in human neutrophils stimulated by bradykinin and A23187

    Nielsen, Ole Haagen, Bukhave, K., Ahnfelt-Rønne, I. & Rask-Madsen, J., Mar 1988, In: Gut. 29, 3, p. 319-24 6 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  55. Published

    Svedelektrolytundersøgelse med pilokarpin-iontoforesemetoden

    Nielsen, Ole Haagen & Flensborg, E. W., 31 Aug 1981, In: Ugeskrift for Laeger. 143, 36, p. 2302-6 5 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  56. Calcium absorption and acceptance of low-lactose milk among children with primary lactase deficiency

    Nielsen, Ole Haagen, Schiøtz, P. O., Rasmussen, S. N. & Krasilnikoff, P. A., 1984, In: Journal of Pediatric Gastroenterology and Nutrition. 3, 2, p. 219-23 5 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  57. Published

    Use of biological molecules in the treatment of inflammatory bowel disease

    Nielsen, Ole Haagen, Seidelin, Jakob Benedict, Munck, Lars Kristian & Rogler, G., Jul 2011, In: Journal of Internal Medicine. 270, 1, p. 15-28 14 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  58. Published

    Gastric emptying rate and small bowel transit time in patients with irritable bowel syndrome determined with 99mTc-labeled pellets and scintigraphy

    Nielsen, Ole Haagen, Gjørup, T. & Christensen, F. N., Dec 1986, In: Digestive Diseases and Sciences. 31, 12, p. 1287-91 5 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  59. Published

    Established and emerging biological activity markers of inflammatory bowel disease

    Nielsen, Ole Haagen, Vainer, B., Madsen, S. M., Seidelin, Jakob Benedict & Heegaard, N. H., Feb 2000, In: The American Journal of Gastroenterology. 95, 2, p. 359-67 9 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  60. Published

    In vitro Superoxide Production by Peripheral Neutrophils from Patients with Inflammatory Bowel Disease

    Nielsen, Ole Haagen, Berild, D. & Ahnfelt-Rønne, I., 1994, In: Mediators of Inflammation. 3, 2, p. 161-4 4 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  61. Published

    Inflammatory bowel disease: potential therapeutic strategies

    Nielsen, Ole Haagen, Vainer, B., Bregenholt, S., Claesson, Mogens Helweg, Bishop, P. D. & Kirman, I., 1997, In: Cytokines Cellular and Molecular Therapy. 3, 4, p. 267-281 15 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  62. Published

    Involvement of oxygen-derived free radicals in the pathogenesis of chronic inflammatory bowel disease

    Nielsen, Ole Haagen & Ahnfelt-Rønne, I., 15 Dec 1991, In: Wiener Klinische Wochenschrift. 69, 21-23, p. 995-1000 6 p.

    Research output: Contribution to journal › Review › Research › peer-review

  63. The incidence of anemia, hypoproteinemia, and edema in infants as presenting symptoms of cystic fibrosis: a retrospective survey of the frequency of this symptom complex in 130 patients with cystic fibrosis

    Nielsen, Ole Haagen & Larsen, B. F., 1982, In: Journal of Pediatric Gastroenterology and Nutrition. 1, 3, p. 355-9 5 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  64. Published

    Pregnancy in ulcerative colitis

    Nielsen, Ole Haagen, Andreasson, B., Bondesen, S. & Jarnum, S., Sep 1983, In: Scandinavian Journal of Gastroenterology. 18, 6, p. 735-42 8 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  65. Published

    Inflammation og frie oxygenradikaler

    Nielsen, Ole Haagen & Ahnfelt-Rønne, I., 1989, In: Nordisk Medicin. 104, 8-9, p. 216-8 3 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  66. Published

    Release of leukotriene B4 and 5-hydroxyeicosatetraenoic acid during phagocytosis of artificial immune complexes by peripheral neutrophils in chronic inflammatory bowel disease

    Nielsen, Ole Haagen, Elmgreen, J., Thomsen, B. S., Ahnfelt-Rønne, I. & Wiik, A., Aug 1986, In: Clinical and Experimental Immunology. 65, 2, p. 465-71 7 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  67. Sulfasalazine intolerance. A retrospective survey of the reasons for discontinuing treatment with sulfasalazine in patients with chronic inflammatory bowel disease

    Nielsen, Ole Haagen, Apr 1982, In: Scandinavian Journal of Gastroenterology. 17, 3, p. 389-93 5 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  68. Published

    Effect of 5-aminosalicylic acid and analogous substances on superoxide generation and intracellular free calcium in human neutrophilic granulocytes

    Nielsen, Ole Haagen, Bouchelouche, P. N., Berild, D. & Ahnfelt-Rønne, I., Jun 1993, In: Scandinavian Journal of Gastroenterology. 28, 6, p. 527-32 6 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  69. Published

    Effects of antirheumatic drugs on endogenous arachidonate metabolism and chemotaxis in human neutrophil granulocytes

    Nielsen, Ole Haagen, Ahnfelt-Rønne, I. & Elmgreen, J., Jan 1989, In: Agents and Actions. 26, 1-2, p. 233-4 2 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  70. Non-tropical sprue. Malignant diseases and mortality rate

    Nielsen, Ole Haagen, Jacobsen, O., Pedersen, E. R., Rasmussen, S. N., Petri, M., Laulund, S. & Jarnum, S., 1985, In: Scandinavian Journal of Gastroenterology. 20, 1, p. 13-18 6 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  71. Published

    A comparison of the effect of timegadine, levamisole, and D-penicillamine on human neutrophil metabolism of endogenous arachidonic acid and chemotaxis

    Nielsen, Ole Haagen, Ahnfelt-Rønne, I. & Elmgreen, J., May 1988, In: Pharmacology & Toxicology. 62, 5, p. 322-5 4 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  72. Published

    De frie oxygenradikalers betydning for patogenesen ved kronisk inflammatorisk tarmsygdom

    Nielsen, Ole Haagen & Ahnfelt-Rønne, I., 14 Sep 1992, In: Ugeskrift for Laeger. 154, 38, p. 2544-6 3 p.

    Research output: Contribution to journal › Review › Research › peer-review

  73. Published

    Effect of the leukotriene LTD4/LTE4 antagonist, SR 2640, in ulcerative colitis: an open clinical study

    Nielsen, Ole Haagen, Ahnfelt-Rønne, I., Thomsen, Michael Kirkedal, Kissmeyer, A. M. & Langholz, Ebbe, Mar 1991, In: Prostaglandins, Leukotrienes & Essential Fatty Acids. 42, 3, p. 181-4 4 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  74. Published

    Circulating soluble interleukin-2 receptor alpha and beta chain in inflammatory bowel disease

    Nielsen, Ole Haagen, Ciardelli, T., Wu, Z., Langholz, Ebbe & Kirman, I., Aug 1995, In: The American Journal of Gastroenterology. 90, 8, p. 1301-6 6 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  75. Published

    Soluble interleukin-2 receptors in ulcerative colitis

    Nielsen, Ole Haagen & Brynskov, J., 1993, In: Mediators of Inflammation. 2, 2, p. 115-8 4 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  76. Published

    Involvement of interleukin-4 and -10 in inflammatory bowel disease

    Nielsen, Ole Haagen, Køppen, T., Rüdiger, N., Horn, T., Eriksen, J. & Kirman, I., Sep 1996, In: Digestive Diseases and Sciences. 41, 9, p. 1786-93 8 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  77. Published

    Pregnancy in Crohn's disease

    Nielsen, Ole Haagen, Andreasson, B., Bondesen, S., Jacobsen, O. & Jarnum, S., Sep 1984, In: Scandinavian Journal of Gastroenterology. 19, 6, p. 724-32 9 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  78. Published

    Gastric emptying and subjective symptoms of nausea: lack of effects of a 5-hydroxytryptamine-3 antagonist ondansetron on gastric emptying in patients with gastric stasis syndrome

    Nielsen, Ole Haagen, Hvid-Jacobsen, K., Lund, P. & Langholz, Ebbe, 1990, In: Digestion. 46, 2, p. 89-96 8 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  79. Published

    Circulating and mucosal concentrations of tumour necrosis factor and inhibitor(s) in chronic inflammatory bowel disease

    Nielsen, Ole Haagen, Brynskov, J. & Bendtzen, K., Apr 1993, In: Danish Medical Bulletin (Print). 40, 2, p. 247-9 3 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  80. Published

    Arachidonic acid metabolism in human neutrophils: lack of effect of cyclosporine A

    Nielsen, Ole Haagen, Bukhave, K., Ahnfelt-Rønne, I. & Elmgreen, J., 1986, In: International Journal of Immunopharmacology. 8, 4, p. 419-26 8 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  81. Published

    Inhibition of intestinal macrophage chemotaxis to leukotriene B4 by sulphasalazine, olsalazine, and 5-aminosalicylic acid

    Nielsen, Ole Haagen, Verspaget, H. W. & Elmgreen, J., Jun 1988, In: Alimentary Pharmacology and Therapeutics. 2, 3, p. 203-11 9 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  82. Published

    Microbiological evaluation of jejunal aspirates and faecal samples after oral administration of bifidobacteria and lactic acid bacteria

    Nielsen, Ole Haagen, Jørgensen, S., Pedersen, K. & Justesen, Torkild, May 1994, In: Journal of Applied Bacteriology. 76, 5, p. 469-74 6 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  83. Pediatric tube system for collection of uncontaminated jejunal juice

    Nielsen, Ole Haagen, Hjelt, K., Krasilnikoff, P. A., Justesen, T. & Rasmussen, S. N., 1983, In: Journal of Pediatric Gastroenterology and Nutrition. 2, 3, p. 483-6 4 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  84. Published

    Serum interferon activity in inflammatory bowel disease. Arachidonic acid release and lipoxygenation activated by alpha-class interferon in human neutrophils

    Nielsen, Ole Haagen, Elmgreen, J. & Ahnfelt-Rønne, I., Apr 1988, In: Inflammation. 12, 2, p. 169-79 11 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  85. Published

    Adrenogenital syndrome and cystic fibrosis

    Nielsen, Ole Haagen & Haahr, J., Mar 1982, In: Acta Paediatrica Scandinavica. 71, 2, p. 339-41 3 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  86. Published

    Cystic fibrosis in Denmark 1945 to 1985. An analysis of incidence, mortality and influence of centralized treatment on survival

    Nielsen, Ole Haagen, Thomsen, Birthe Lykke Riegels, Green, A., Andersen, Per Kragh, Hauge, M. & Schiøtz, P. O., Nov 1988, In: Acta Paediatrica Scandinavica. 77, 6, p. 836-41 6 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  87. Published

    Abnormal metabolism of arachidonic acid in chronic inflammatory bowel disease: enhanced release of leucotriene B4 from activated neutrophils

    Nielsen, Ole Haagen, Ahnfelt-Rønne, I. & Elmgreen, J., Feb 1987, In: Gut. 28, 2, p. 181-5 5 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  88. Published

    Arachidonic acid and calcium metabolism in rnelittin stimulated neutrophils

    Nielsen, Ole Haagen, Bouchelouche, P. N. & Berild, D., 1992, In: Mediators of Inflammation. 1, 5, p. 313-7 5 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  89. Published

    In vitro studies on the significance of arachidonate metabolism and other oxidative processes in the inflammatory response of human neutrophils and macrophages. With special reference to chronic inflammatory bowel disease

    Nielsen, Ole Haagen, 1988, In: Scandinavian Journal of Gastroenterology. 150, p. 1-21 21 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  90. Published

    Circulating soluble intercellular adhesion molecule-1 (sICAM-1) in active inflammatory bowel disease

    Nielsen, Ole Haagen, Langholz, Ebbe, Hendel, J. & Brynskov, J., Sep 1994, In: Digestive Diseases and Sciences. 39, 9, p. 1918-23 6 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  91. Published

    Activation of neutrophil chemotaxis by leukotriene B4 and 5-hydroxyeicosatetraenoic acid in chronic inflammatory bowel disease

    Nielsen, Ole Haagen & Elmgreen, J., Oct 1987, In: Scandinavian Journal of Clinical and Laboratory Investigation. 47, 6, p. 605-11 7 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  92. Published

    Increased mucosal concentrations of soluble intercellular adhesion molecule-1 (sICAM-1), sE-selectin, and interleukin-8 in active ulcerative colitis

    Nielsen, Ole Haagen, Brynskov, J. & Vainer, B., 1 Jan 1996, In: Digestive Diseases and Sciences. 41, 9, p. 1780-1785 6 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  93. Published

    Review article: The treatment of inflammatory bowel disease with 6-mercaptopurine or azathioprine

    Nielsen, Ole Haagen, Vainer, B. & Rask-Madsen, J., 7 Nov 2001, In: Alimentary Pharmacology and Therapeutics. 15, 11, p. 1699-1708 10 p.

    Research output: Contribution to journal › Review › Research › peer-review

  94. Published

    Mediators of inflammation in chronic inflammatory bowel disease

    Nielsen, Ole Haagen & Rask-Madsen, J., 22 Apr 1996, In: Scandinavian Journal of Gastroenterology, Supplement. 31, 216, p. 149-159 11 p.

    Research output: Contribution to journal › Review › Research › peer-review

  95. Published

    Intestinal interleukin-8 concentration and gene expression in inflammatory bowel disease

    Nielsen, Ole Haagen, Rüdiger, N., Gaustadnes, M. & Horn, T., 1 Jan 1997, In: Scandinavian Journal of Gastroenterology. 32, 10, p. 1028-1034 7 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  96. Published

    Abdominal pain caused by Enterobius vermicularis: A case report

    Nielsen, Ole Haagen & Krasilnikoff, P. A., 1 Jan 1985, In: Current Therapeutic Research - Clinical and Experimental. 37, 4, p. 779-783 5 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  97. Published

    Systematic review: Coxibs, non-steroidal anti-inflammatory drugs or no cyclooxygenase inhibitors in gastroenterological high-risk patients?

    Nielsen, Ole Haagen, Ainsworth, M., vlz241, vlz241 & Rask-Madsen, J., 1 Jan 2006, In: Alimentary Pharmacology and Therapeutics. 23, 1, p. 27-33 7 p.

    Research output: Contribution to journal › Review › Research › peer-review

  98. Published

    Reference values of sweat sodium obtained by pilocarpine iontophoresis

    Nielsen, Ole Haagen & Flensborg, E. W., 1 Jan 1987, In: Current Therapeutic Research - Clinical and Experimental. 41, 3, p. 367-373 7 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  99. Published

    Inflammation and free oxygen radicals

    Nielsen, Ole Haagen & Ahnfelt-Ronne, I., 1 Jan 1989, In: Ugeskrift for Laeger. 151, 16, p. 976-978 3 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  100. Published

    Udvalgene Vedrørende Videnskabelig Uredelighed bør styrkes

    Nielsen, Ole Haagen & Axelsen, N., 14 Oct 2013, In: Ugeskrift for Laeger. 175, 42, p. 2473

    Research output: Contribution to journal › Journal article › Research

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ID: 4947702