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

    Pregnancy in crohn’s disease

    Nielsen, Ole Haagen, Andreasson, B., Bondesen, S., Jacobsen, O. & Jarnum, S., 1985, In: Obstetrical and Gynecological Survey.

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

  2. Published

    Recent therapeutic advances in inflammatory bowel disease

    Nielsen, Ole Haagen, Nielsen, S. E. & Seidelin, Jakob Benedict, Jul 2002, In: I Drugs: the Investigational Drugs Journal. 5, 7, p. 618-22 5 p.

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

  3. Published

    Drug Insight: Aminosalicylates for the treatment of IBD

    Nielsen, Ole Haagen & Munck, Lars Kristian, 1 Mar 2007, In: Nature Clinical Practice Gastroenterology and Hepatology. 4, 3, p. 160-170 11 p.

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

  4. Published

    Which Biological Agents Are Most Appropriate for Ulcerative Colitis?

    Nielsen, Ole Haagen & Ainsworth, M. A., 2014, In: Annals of Internal Medicine. 160, 10, p. 733-734 2 p.

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

  5. Published

    Slangeolie til behandling af Crohns sygdom?

    Nielsen, Ole Haagen & Thomsen, O. O., 11 Apr 2005, In: Ugeskrift for Laeger. 167, 15, p. 1656-7 2 p.

    Research output: Contribution to journal › Journal article › Research

  6. Published

    Rational Management of Iron-Deficiency Anaemia in Inflammatory Bowel Disease

    Nielsen, Ole Haagen, Soendergaard, C., Vikner, M. E. & Weiss, G., 2018, In: Nutrients. 10, 1, 25 p., 82.

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

  7. Published

    Publikationsetik, nationale og internationale regelsæt

    Nielsen, Ole Haagen & Riis, P., 14 Apr 2003, In: Ugeskrift for Laeger. 165, 16, p. 1646-1648 3 p.

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

  8. Published

    Søgningen efter endnu ikke erkendte infektiøse agenser

    Nielsen, Ole Haagen, 9 Dec 2002, In: Ugeskrift for Laeger. 164, 50, p. 5899

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

  9. Published

    Biologiske laegemidler til behandling af immuninflammatoriske sygdomme

    Nielsen, Ole Haagen & Bendtzen, K., 9 Jun 2008, In: Ugeskrift for Laeger. 170, 24, p. 2103

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

  10. Cystic fibrosis in Denmark in the period 1945‐1981: Evaluation of centralized treatment

    Nielsen, Ole Haagen & Oluf Schiøtz, P., 1982, In: Acta Paediatrica Scandinavica. p. 107-119

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

  11. Published

    Influence of smoking on colonic gene expression profile in Crohn's disease

    Nielsen, Ole Haagen, Bjerrum, Jakob Tveiten , Csillag, C., Nielsen, Finn Cilius & Olsen, Jørgen, 2009, In: PLoS ONE. 4, 7, p. e6210

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

  12. Published

    IBD: Can TNF inhibitors be administered during the third trimester?

    Nielsen, Ole Haagen & Jess, T., 2012, In: Nature Reviews. Gastroenterology & Hepatology. 10, 3, p. 130-1 2 p.

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

  13. Published

    Biologics for Inflammatory Bowel Disease and their Safety in Pregnancy: A Systematic Review and Meta-analysis

    Nielsen, Ole Haagen, Gubatan, J. M., Juhl, C. B., Streett, S. E. & Maxwell, C., 2022, In: Clinical Gastroenterology and Hepatology. 20, 1, p. 74-87.e3

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

  14. Published

    Salmonella enteritis

    Nielsen, Ole Haagen, Kjeldsen, H. C., Petersen, H., Johannessen, T., Viggen, B. & Berrild, D., 2009, Lægehåndbogen - et opslagsværk til både sundhedsfaglige og borgere. Lægeforeningens Forlag

    Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research

  15. Published

    Laegers deltagelse i kliniske laegemiddelforsøg

    Nielsen, Ole Haagen & Ainsworth, M., 14 Apr 2003, In: Ugeskrift for Laeger. 165, 16, p. 1639

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

  16. Published

    Shigella enteritis

    Nielsen, Ole Haagen, Kjeldsen, H. C., Petersen, H., Viggen, B. & Løge, I., 2009, Lægehåndbogen - et opslagsværk til både sundhedsfaglige og borgere. Lægeforeningens Forlag

    Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research

  17. Published

    IBD medications during pregnancy and lactation

    Nielsen, Ole Haagen, Maxwell, C. & Hendel, J., 2014, In: Nature Reviews. Gastroenterology & Hepatology. 11, 2, p. 116-127 12 p.

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

  18. Published

    Updates on the management of inflammatory bowel disease from periconception to pregnancy and lactation

    Nielsen, Ole Haagen, Gubatan, J. M., Kolho, K., Streett, S. E. & Maxwell, C., 30 Mar 2024, In: The Lancet. 403, 10433, p. 1291-1303

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

  19. Published

    Managing vitamin D deficiency in inflammatory bowel disease

    Nielsen, Ole Haagen, Hansen, T. I., Gubatan, J. M., Jensen, Kim Bak & Rejnmark, L., 2019, In: Frontline Gastroenterology. 10, 4, p. 394-400 7 p., 31656565.

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

  20. Published

    Non-IBD and noninfectious colitis

    Nielsen, Ole Haagen, Vainer, B. & Rask-Madsen, J., Jan 2008, In: Nature Clinical Practice Gastroenterology & Hepatology. 5, 1, p. 28-39 12 p.

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

  21. Published

    Behandling af kollagen colitis: En analyse af et systematisk Cochrane-review

    Nielsen, Ole Haagen & Schaffalitzky De Muckadell, O. B., 11 Aug 2003, In: Ugeskrift for Laeger. 165, 33, p. 3154-3156 3 p.

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

  22. Published

    Microscopic colitis: Etiopathology, diagnosis, and rational management

    Nielsen, Ole Haagen, Fernandez-Banares, F., Sato, T. & Pardi, D. S., 1 Aug 2022, In: eLife. 11, 21 p., e79397.

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

  23. Published

    Will novel oral formulations change the management of inflammatory bowel disease?

    Nielsen, Ole Haagen, Seidelin, Jakob Benedict, Ainsworth, M. A. & Coskun, M., 2016, In: Expert Opinion on Investigational Drugs. 25, 6, p. 709-718 10 p.

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

  24. Published

    Efficacy and safety of methotrexate in the management of inflammatory bowel disease: A systematic review and meta-analysis of randomized, controlled trials

    Nielsen, Ole Haagen, Steenholdt, C., Juhl, C. B. & Rogler, G., Mar 2020, In: EClinicalMedicine. 20, 10 p., 100271.

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

  25. Published

    Biologiske laegemidler til behandling af immuninflammatoriske sygdomme.

    Nielsen, Ole Haagen & Bendtzen, K., 9 Jun 2008, In: Ugeskrift for Laeger. 170, 24, 1 p.

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

  26. Published

    Diagnosis and Pharmacological Management of Microscopic Colitis in Geriatric Care

    Nielsen, Ole Haagen & Pardi, D. S., 2024, In: Drugs and Aging. 41, p. 113-123 11 p.

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

  27. Published

    Sphingosine-1-phosphate signaling in inflammatory bowel disease

    Nielsen, Ole Haagen, Li, Yuan, Lindbom, B. J. & Coskun, M., Apr 2017, In: Trends in Molecular Medicine. 23, 4, p. 362-374 13 p.

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

  28. Published

    Sammenhaeng mellem Helicobacter pylori-infektion og ventrikelcancer--mere end blot en mistanke. Dansk Gastroenterologisk Selskab

    Nielsen, Ole Haagen & Madsen, J. R., 18 Mar 2002, In: Ugeskrift for Laeger. 164, 12, p. 1646

    Research output: Contribution to journal › Journal article › Research

  29. Published

    Iron replacement therapy: do we need new guidelines?

    Nielsen, Ole Haagen, Coskun, M. & Weiss, G., 2016, In: Current Opinion in Gastroenterology. 32, 2, p. 128-135 8 p.

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

  30. Published

    Hageorm

    Nielsen, Ole Haagen, Kjeldsen, H. C., Johannessen, T. & Løge, I., 2009, Lægehåndbogen - et opslagsværk til både sundhedsfaglige og borgere. Lægeforeningens Forlag

    Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research

  31. Published

    Colitis ulcerosa

    Nielsen, Ole Haagen, Jess, T., Bjerrum, Jakob Tveiten & Seidelin, Jakob Benedict, 2013, In: Ugeskrift for Laeger. 175, 20, p. 1412-6 5 p.

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

  32. Published

    Management of Iron-Deficiency Anemia in Inflammatory Bowel Disease: A Systematic Review

    Nielsen, Ole Haagen, Ainsworth, M., Coskun, M. & Weiss, G., Jun 2015, In: Medicine (Baltimore). 94, 23, p. 1-14 14 p., e963.

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

  33. Published

    Non-IBD and Noninfectious Colitis

    Nielsen, Ole Haagen & Seidelin, J. B., 2012, Geriatric Gastroenterology. Pitchumoni, CS. & Dharmarajan, T. (eds.). 1 ed. p. 493-499

    Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research › peer-review

  34. Published

    Remissionsinduktion med TNF-α-hæmmere ved Crohns sygdom

    Nielsen, Ole Haagen & Madsen, J. R., 15 Nov 2004, In: Ugeskrift for Laeger. 166, 47, p. 4248-4251 4 p.

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

  35. Published

    E. coli enterit

    Nielsen, Ole Haagen, Kjeldsen, H. C. & Løge, I., 2009, Lægehåndbogen - et opslagsværk til både sundhedsfaglige og borgere. Lægeforeningens Forlag

    Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research

  36. Published

    Selective JAK1 inhibitors for the treatment of inflammatory bowel disease

    Nielsen, Ole Haagen, Boye, T. L., Gubatan, J., Chakravarti, D., Jaquith, J. B. & LaCasse, E. C., 2023, In: Pharmacology and Therapeutics. 245, 108402.

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

  37. Published

    Proximal collagenous gastroenteritides: Clinical management. A systematic review

    Nielsen, Ole Haagen, Riis, Lene Buhl, Danese, S., Bojesen, R. D. & Soendergaard, C., Aug 2014, In: Annals of Medicine. 46, 5, p. 311-317 7 p.

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

  38. Published

    Biosimilars for management of Crohn disease

    Nielsen, Ole Haagen & Ainsworth, M. A., 2019, In: Annals of Internal Medicine. 170, 2, p. 129-130 2 p.

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

  39. Published

    Methotrexate for inflammatory bowel disease: time for reconsideration

    Nielsen, Ole Haagen, Ainsworth, M. A. & Steenholdt, Casper, 2019, In: Expert Review of Gastroenterology and Hepatology. 13, 5, p. 407-409 3 p.

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

  40. Published

    The role and advances of immunomodulator therapy for inflammatory bowel disease

    Nielsen, Ole Haagen, Coskun, M., Steenholdt, Casper & Rogler, G., 2015, In: Expert Review of Gastroenterology & Hepatology. 9, 2, p. 177-189 13 p.

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

  41. Published

    Madforgiftninger

    Nielsen, Ole Haagen, Kjeldsen, H. C., Petersen, H., Johannessen, T. & Viggen, B., 2009, Lægehåndbogen - et opslagsværk til både sundhedsfaglige og borgere. Lægeforeningens Forlag

    Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research

  42. Published

    Reply

    Nielsen, Ole Haagen, Gubatan, J. & Juhl, C. B., 2022, In: Clinical Gastroenterology and Hepatology. 20, 4, p. 963-964

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

  43. Published

    Tumor Necrosis Factor Inhibitors for Inflammatory Bowel Disease

    Nielsen, Ole Haagen & Ainsworth, M. A., 2013, In: New England Journal of Medicine. 369, p. 754-762 9 p.

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

  44. Published

    Biological treatment of Crohn's disease

    Nielsen, Ole Haagen, Bjerrum, J. T., Seidelin, Jakob Benedict, Nyberg, C. & Ainsworth, M., 2012, In: Digestive Diseases. 30 Suppl 3, p. 121-33 13 p.

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

  45. Published

    Recent advances using immunomodulators for inflammatory bowel disease

    Nielsen, Ole Haagen, Bjerrum, Jakob Tveiten , Herfarth, H. & Rogler, G., 2013, In: British Journal of Clinical Pharmacology. Supplement. 53, 6, p. 575-588 14 p.

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

  46. Published

    Viral gastroenteritis

    Nielsen, Ole Haagen, Kjeldsen, H. C., Petersen, H., Viggen, B. & Løge, I., 2009, Lægehåndbogen - et opslagsværk til både sundhedsfaglige og borgere. Lægeforeningens Forlag

    Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research

  47. Published

    Transplantation: Etik og stamceller

    Nielsen, Ole Haagen & Borregaard, N., 8 Dec 2003, In: Ugeskrift for Laeger. 165, 50, 1 p.

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

  48. Published

    Stråleskadet tarm

    Nielsen, Ole Haagen, Kjeldsen, H. C. & Johannessen, T., 2009, Lægehåndbogen - et opslagsværk til både sundhedsfaglige og borgere. Lægeforeningens Forlag

    Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research

  49. Published

    New strategies for treatment of inflammatory bowel disease

    Nielsen, Ole Haagen, 2014, In: Frontiers in Medicine. 1, p. 1-5 5 p., 3.

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

  50. Published

    Afskrift er uredeligt--men hvad er konsekvensen?

    Nielsen, Ole Haagen & Schroeder, T. V., 6 Nov 2006, In: Ugeskrift for Laeger. 168, 45, p. 3891

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

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ID: 4947702