Ole Haagen Nielsen

Ole Haagen Nielsen

Clinical Professor

Member of:

  • Internal Medicine: Gastroenterology and Hepatology

ORCID: 0000-0003-4612-8635

Publication year:
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  1. Published

    Magnetisk resonans-kolografi: Et nyt diagnostisk værktøj

    Achiam, Michael Patrick, Chabanova, E., Løgager, V. B., Thomsen, Henrik S. & Nielsen, Ole Haagen, 7 Nov 2005, In: Ugeskrift for Laeger. 167, 45, p. 4279-4284 6 p.

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

  2. Published

    Sulfasalazine and its anti-inflammatory metabolite, 5-aminosalicylic acid: effect on arachidonic acid metabolism in human neutrophils, and free radical scavenging

    Ahnfelt-Rønne, I., Nielsen, Ole Haagen, Bukhave, K. & Elmgreen, J., 1987, In: Advances in prostaglandin, thromboxane, and leukotriene research. 17B, p. 918-22 5 p.

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

  3. Published

    The antiinflammatory moiety of sulfasalazine, 5-aminosalicylic acid, is a radical scavenger

    Ahnfelt-Rønne, I. & Nielsen, Ole Haagen, Jun 1987, In: Agents and Actions. 21, 1-2, p. 191-4 4 p.

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

  4. Published

    Clinical evidence supporting the radical scavenger mechanism of 5-aminosalicylic acid

    Ahnfelt-Rønne, I., Nielsen, Ole Haagen, Christensen, A., Langholz, Ebbe, Binder, V. & Riis, P., May 1990, In: Gastroenterology. 98, 5 Pt 1, p. 1162-9 8 p.

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

  5. Published

    Farmakogenetik--en ny behandlingsmulighed

    Ainsworth, M. A. & Nielsen, Ole Haagen, 16 May 2005, In: Ugeskrift for Laeger. 167, 20, p. 2141

    Research output: Contribution to journal › Journal article › Research

  6. Published

    Transjugulær intrahepatisk portosystemisk stent-shunts eller paracentese ved behandling af cirrosepatienter med refraktær ascites

    Ainsworth, M. A. & Nielsen, Ole Haagen, 29 Aug 2005, In: Ugeskrift for Laeger. 167, 35, p. 3273-3276 4 p.

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

  7. Published

    Tumornekrosefaktor alpha-antistof-behandling til vedligeholdelse af remission ved Crohns sygdom

    Al-Subeihe, I. & Nielsen, Ole Haagen, 2008, In: Ugeskrift for læger. 170, 50, p. 4130-4134 4 p.

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

  8. Published

    Investigating the Crime Scene—Molecular Signatures in Inflammatory Bowel Disease

    Andersen, V., Bennike, T. B., Bang, C., Rioux, J. D., Hébert-Milette, I., Sato, T., Hansen, Axel Kornerup & Nielsen, Ole Haagen, 2023, In: International Journal of Molecular Sciences. 24, 13, 11217.

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

  9. Published

    A proposal for a study on treatment selection and lifestyle recommendations in chronic inflammatory diseases: A danish multidisciplinary collaboration on prognostic factors and personalised medicine

    Andersen, V., Holmskov, U., Bek Sørensen, S., Jawhara, M., Andersen, K. W., Bygum, A., Hvid, L., Grauslund, J., Wied, J., Glerup, H., Fredberg, U., Villadsen, J. A., Kjær, S. G., Fallingborg, J., Moghadd, S. A. G. R., Knudsen, T., Brodersen, J., Frøjk, J., Dahlerup, J. F., Nielsen, O. H. & 18 others, Christensen, R., Bo Bojesen, A., Sorensen, G. L., Thiel, S., Færgeman, N. J., Brandslund, I., Stensballe, A., Schmidt, E. B., Franke, A., Ellinghaus, D., Rosenstiel, P., Raes, J., Heitmann, Berit, Boye, M., Nielsen, C. L., Werner, L., Kjeldsen, J. & Ellingsen, T., May 2017, In: Nutrients. 9, 5, 16 p., 499.

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

  10. Published

    Kronisk inflammatorisk tarmsygdom i relation til graviditet

    Andreasson, B., Nielsen, Ole Haagen, Bondesen, S., Jacobsen, O. & Jarnum, S., 4 Jun 1984, In: Ugeskrift for Laeger. 146, 23, p. 1708-10 3 p.

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

  11. Published

    Comparative onset of effect of biologics and small molecules in moderate-to-severe ulcerative colitis: a systematic review and network meta-analysis

    Attauabi, M., Dahl, E. K., Burisch, J., Gubatan, J., Nielsen, Ole Haagen & Seidelin, Jakob Benedict, 2023, In: EClinicalMedicine. 57, 3, 101866.

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

  12. Published

    Fluorescence-based tracing of transplanted intestinal epithelial cells using confocal laser endomicroscopy

    Bergenheim, F., Seidelin, Jakob Benedict, Pedersen, M. T., Mead, B. E., Jensen, Kim Bak, Karp, J. M. & Nielsen, Ole Haagen, 2019, In: Stem Cell Research & Therapy. 10, 1, p. 1-12 12 p., 148.

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

  13. Published

    A fully defined 3D matrix for ex vivo expansion of human colonic organoids from biopsy tissue

    Bergenheim, F., Fregni, G., Buchanan, C. F., Riis, Lene Buhl, Heulot, M., Touati, J., Seidelin, Jakob Benedict, Rizzi, S. C. & Nielsen, Ole Haagen, 2020, In: Biomaterials. 262, 11 p., 120248.

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

  14. Published

    Assessment of the validity of a multigene analysis in the diagnostics of inflammatory bowel disease

    Bjerrum, Jakob Tveiten , Nyberg, C., Olsen, Jørgen & Nielsen, Ole Haagen, May 2014, In: Journal of Internal Medicine. 275, 5, p. 484-93 10 p.

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

  15. Published

    Azathioprin og 6-mercaptopurin som vedligeholdelsesbehandling ved colitis ulcerosa: Gennemgang af Cochrane-review

    Bjerrum, Jakob Tveiten & Nielsen, Ole Haagen, 12 Oct 2007, In: Ugeskrift for Laeger. 169, 50, p. 4341-4344 4 p.

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

  16. Published

    Metabonomics in Ulcerative Colitis: Diagnostics, Biomarker Identification, And Insight into the Pathophysiology

    Bjerrum, Jakob Tveiten , Nielsen, Ole Haagen, Hao, F., Tang, H., Nicholson, J. K., Wang, Y., Olsen, Jørgen, Bjerrum, J. T., Nielsen, Ole Haagen, Shen, H., Tang, H. R., Nicholson, J. B., Wang, L. & Olsen, J., 2010, In: Journal of Proteome Research. 9, 2, p. 954-962 9 p.

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

  17. Published

    Transcriptional analysis of left-sided colitis, pancolitis, and ulcerative colitis-associated dysplasia

    Bjerrum, Jakob Tveiten , Nielsen, Ole Haagen, Riis, Lene Buhl, Pittet, V., Mueller, C., Rogler, G. & Olsen, Jørgen, Dec 2014, In: Inflammatory Bowel Diseases. 20, 12, p. 2340-2352 13 p.

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

  18. Published

    IBD metabonomics predicts phenotype, disease course, and treatment response

    Bjerrum, Jakob Tveiten , Wang, Y. L., Seidelin, Jakob Benedict & Nielsen, Ole Haagen, 2021, In: EBioMedicine. 71, 103551.

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

  19. 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 journal › Journal article › Research › peer-review

  20. Published

    TNF-α-antistofbehandling og remissionsinduktion ved colitis ulcerosa: Gennemgang af et Cochrane-review

    Bjerrum, Jakob Tveiten , Munck, Lars Kristian, Krogh-Madsen, M. & Nielsen, Ole Haagen, 26 Feb 2007, In: Ugeskrift for Laeger. 169, 9, p. 792-795 4 p.

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

  21. 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 journal › Editorial › Research › peer-review

  22. 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 journal › Journal article › Research › peer-review

  23. 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 journal › Journal article › Research › peer-review

  24. 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 journal › Review › Research › peer-review

  25. 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 journal › Journal article › Research › peer-review

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