Niels Obel

Niels Obel

Clinical Professor

Member of:

  • Internal medicine: infection medicine


  1. 2024
  2. Published

    Cancer risk and temporal trends in people with HIV during a quarter of a century – a nationwide population-based matched cohort study

    Omland, L. H., Gerstoft, Jan, Kronborg, Gitte, Johansen, I. S., Larsen, C. S., Wiese, L., Dalager-Pedersen, M., Leth, S. & Obel, Niels, 2024, In: Infectious Diseases. 56, 1, p. 11-18 8 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  3. Published

    Characteristics and long-term prognosis of Danish residents with a positive intrathecal antibody index test for herpes simplex virus or varicella-zoster virus compared with individuals with a positive cerebrospinal fluid PCR: a nationwide cohort study

    Platz, I. L., Tetens, M. M., Dessau, R., Ellermann-Eriksen, S., Andersen, N. S., Jensen, V. V. S., Østergaard, C., Bodilsen, J., Søgaard, K. K., Bangsborg, Jette Marie, Nielsen, Alex Christian Yde, Møller, J. K., Lebech, Anne-Mette, Omland, L. H. & Obel, Niels, 2024, In: Clinical Microbiology and Infection. 30, 2, p. 240-246 7 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  4. Accepted/In press

    Risk of cardiac conduction disorders, and pacemaker implantations among individuals tested for serum Borrelia burgdorferi antibodies, a nationwide, matched, population-based cohort study

    Tetens, M. M., Omland, L. H., Dessau, R. B., Ellermann-Eriksen, S., Andersen, N. S., Jørgensen, C. S., Østergaard, C., Bodilsen, J., Søgaard, K. K., Bangsborg, Jette Marie, Nielsen, Alex Christian Yde, Møller, J. K., Chen, M., Svendsen, Jesper Hastrup, Obel, Niels & Lebech, Anne-Mette, 2024, (Accepted/In press) In: Clinical Microbiology and Infection.

    Research output: Contribution to journalJournal articleResearchpeer-review

  5. Published

    Risk of haematologic cancers among individuals tested for Borrelia burgdorferi antibodies, and Borrelia burgdorferi seropositive individuals: a nationwide population-based matched cohort study

    Tetens, M. M., Omland, L. H., Dessau, R., Ellermann-Eriksen, S., Andersen, N. S., Jørgensen, C. S., Østergaard, C., Bodilsen, J., Søgaard, K. K., Bangsborg, Jette Marie, Nielsen, Alex Christian Yde, Møller, J. K., Chen, M., Niemann, Carsten, Lebech, Anne-Mette & Obel, Niels, 2024, In: Clinical Microbiology and Infection. 30, 2, p. 231-239 9 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  6. 2023
  7. Published

    Contribution of alcohol use in HIV/hepatitis C virus co-infection to all-cause and cause-specific mortality: A collaboration of cohort studies

    Trickey, A., Ingle, S. M., Boyd, A., Gill, M. J., Grabar, S., Jarrin, I., Obel, N., Touloumi, G., Zangerle, R., Rauch, A., Rentsch, C. T., Satre, D. D., Silverberg, M. J., Bonnet, F., Guest, J., Burkholder, G., Crane, H., Teira, R., Berenguer, J., Wyen, C. & 7 others, Abgrall, S., Hessamfar, M., Reiss, P., Monforte, A. D., McGinnis, K. A., Sterne, J. A. C. & Wittkop, L., 2023, In: Journal of Viral Hepatitis. 30, 9, p. 775-786 12 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  8. Published

    Early Antiretroviral Therapy Not Associated With Higher Cryptococcal Meningitis Mortality in People With Human Immunodeficiency Virus in High-Income Countries: An International Collaborative Cohort Study

    ART-CC, COHERE in EuroCoord, CNICS, and NA-ACCORD, A. C. I. E. C. A. N., 2023, In: Clinical Infectious Diseases. 77, 1, p. 64-73 10 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  9. Published

    Experience with sotrovimab treatment of SARS-CoV-2-infected patients in Denmark

    Rasmussen, L. D., Lebech, Anne-Mette, Øvrehus, A., Poulsen, B. K., Christensen, H. R., Nielsen, H., Johansen, I. S., Omland, L. H., Wiese, L., Helleberg, Marie, Storgaard, M., Dalager-Pedersen, M., Rasmussen, T. A., Benfield, Thomas, Petersen, Tonny Studsgaard, Andersen, Å. B., Gram, M. A., Stegger, M., Edslev, S. M. & Obel, Niels, 2023, In: British Journal of Clinical Pharmacology. 89, 6, p. 1820-1833

    Research output: Contribution to journalJournal articleResearchpeer-review

  10. Published

    Impact of pre-antiretroviral treatment HIV-RNA on time to successful virological suppression and subsequent virological failure - two nationwide, population-based cohort studies

    Sörstedt, E., Tetens, M. M., Nilsson, S., Nowak, P., Treutiger, C. J., Månsson, F., Änghagen, L., Gisslén, M., Obel, Niels & Yilmaz, A., 2023, In: AIDS. 37, 2, p. 279-286 8 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  11. Published

    Incidence of Childbirth, Pregnancy, Spontaneous Abortion, and Induced Abortion among Women with Human Immunodeficiency Virus in a Nationwide Matched Cohort Study

    Paulsen, F. W., Tetens, M. M., Vollmond, C. V., Gerstoft, Jan, Kronborg, Gitte, Johansen, I. S., Larsen, C. S., Wiese, L., Dalager-Pedersen, M., Lunding, S., Nielsen, L. N., Weis, Nina, Obel, Niels, Omland, L. H. & Lebech, Anne-Mette, 2023, In: Clinical Infectious Diseases. 76, 11, p. 1896-1902 7 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  12. Published

    Invasive procedures and risk of brain abscess: a nationwide, population-based case-control study

    Omland, L. H., Bodilsen, J., Helweg-Larsen, J., Jarløv, J. O., Andreasen, K., Ziebell, M., Ellermann-Eriksen, S., Justesen, U. S., Frimodt-Møller, N. & Obel, Niels, 2023, In: Infectious Diseases. 55, 1, p. 55-62

    Research output: Contribution to journalJournal articleResearchpeer-review

  13. Published

    Outcomes following SARS-CoV-2 infection in individuals with and without inflammatory rheumatic diseases: a Danish nationwide cohort study

    Svensson, A. L. L., Emborg, H. D., Bartels, L. E., Ellingsen, T., Adelsten, T., Cordtz, R., Dreyer, L. & Obel, Niels, 2023, In: Annals of the Rheumatic Diseases. 82, 10, p. 1359–1367 9 p., 223974.

    Research output: Contribution to journalJournal articleResearchpeer-review

  14. Published

    Outcomes following severe acute respiratory syndrome coronavirus 2 infection among individuals with and without HIV in Denmark

    Rasmussen, L. D., Cowan, S., Gerstoft, J., Kronborg, Gitte, Johansen, I. S., Larsen, C. S., Weise, L., Dalager-Pedersen, M., Leth, S., Nybo, Lars, Lunding, S., Omland, L. H. & Obel, Niels, 2023, In: AIDS. 37, 2, p. 311-321 11 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  15. Published

    Risk of Psychiatric Disorders, Use of Psychiatric Hospitals, and Receipt of Psychiatric Medication in Patients With Brain Abscess in Denmark

    Omland, L. H., Bodilsen, J., Tetens, M. M., Helweg-Larsen, J., Jarløv, J. O., Ziebell, M., Ellermann-Eriksen, S., Justesen, U. S., Frimodt-Møller, N., Mortensen, P. B. & Obel, Niels, 2023, In: Clinical Infectious Diseases. 76, 2, p. 315-322 8 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  16. 2022
  17. Published

    CD38 is a potential treatment target in lymphoma patients concurrently infected with human immunodeficiency virus

    Hybel, T. E., Vase, M. O., Lauridsen, K. L., Enemark, M. B., Moller, M. B., Pedersen, C., Pedersen, G., Hamilton-Dutoit, S., Obel, Niels, Schade Larsen, C., d'Amore, F. & Ludvigsen, M., 12 May 2022, In: Leukemia and Lymphoma. 63, 6, p. 1479-1483 5 p.

    Research output: Contribution to journalComment/debateResearchpeer-review

  18. Published

    Associations of modern initial antiretroviral drug regimens with all-cause mortality in adults with HIV in Europe and North America: a cohort study

    Trickey, A., Zhang, L., Gill, M. J., Bonnet, F., Burkholder, G., Castagna, A., Cavassini, M., Cichon, P., Crane, H., Domingo, P., Grabar, S., Guest, J., Obel, N., Psichogiou, M., Rava, M., Reiss, P., Rentsch, C. T., Riera, M., Schuettfort, G., Silverberg, M. J. & 6 others, Smith, C., Stecher, M., Sterling, T. R., Ingle, S. M., Sabin, C. A. & Sterne, J. A. C., 2022, In: The Lancet HIV. 9, 6, p. e404-e413 10 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  19. Published

    Dentist's Visits and Risk of Brain Abscess: A Nationwide, Population-Based Case-Control Study

    Bodilsen, J., Helweg Larsen, J., Otto Jarløv, J., Ziebell, M., Ellermann-Eriksen, S., Justesen, U. S., Frimodt-Møller, N., Obel, Niels & Haukali Omland, L., 2022, In: Clinical infectious diseases : an official publication of the Infectious Diseases Society of America. 75, 5, p. 824-829

    Research output: Contribution to journalJournal articleResearchpeer-review

  20. Published

    Incidence of Chronic Obstructive Pulmonary Disease in People With Human Immunodeficiency Virus and Their Parents and Siblings in Denmark

    Ronit, A., Omland, L. H., Kronborg, Gitte, Pedersen, G., Nielsen, L., Mohey, R., Wiese, L., Obel, Niels & Ahlström, M. G., 2022, In: Journal of Infectious Diseases. 225, 3, p. 492-501 10 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  21. Published

    Incident Herpes Zoster and Risk of Dementia: A Population-Based Danish Cohort Study

    Schmidt, S. A. J., Veres, K., Sørensen, H. T., Obel, Niels & Henderson, V. W., 2022, In: Neurology. 99, 7, p. E660-E668

    Research output: Contribution to journalJournal articleResearchpeer-review

  22. Published

    Length of stay in Denmark before HIV diagnosis and linkage to care: a population-based study of migrants living with HIV, Denmark, 1995 to 2020

    Borchmann, O., Omland, L. H., Gerstoft, Jan, Larsen, C. S., Johansen, I. S., Lunding, S., Jensen, J., Obel, Niels & Hansen, Ann-Brit Eg, 2022, In: Euro surveillance : bulletin Europeen sur les maladies transmissibles = European communicable disease bulletin. 27, 30

    Research output: Contribution to journalJournal articleResearchpeer-review

  23. Published

    Observed protection against SARS-CoV-2 reinfection following a primary infection: A Danish cohort study among unvaccinated using two years of nationwide PCR-test data

    Michlmayr, D., Hansen, C. H., Gubbels, S. M., Valentiner-Branth, P., Bager, P., Obel, Niels, Drewes, B., Møller, C. H., Møller, F. T., Legarth, R., Mølbak, Kåre & Ethelberg, Steen, 2022, In: The Lancet Regional Health - Europe. 20, 100452.

    Research output: Contribution to journalJournal articleResearchpeer-review

  24. Published

    Outcome of SARS-CoV-2 infection among patients with common variable immunodeficiency and a matched control group: A Danish nationwide cohort study

    Katzenstein, T. L., Rasmussen, L. D., Drabe, C. H., Larsen, C. S., Hansen, Ann-Brit Eg, Stærkind, M., Knudsen, Lene Surland, Hansen, C. H. & Obel, Niels, 2022, In: Frontiers in Immunology. 13, 10 p., 994253.

    Research output: Contribution to journalJournal articleResearchpeer-review

  25. Published

    Outcomes following SARS-CoV-2 infection in individuals with and without solid organ transplantation — A Danish nationwide cohort study

    Overvad, M., Koch, A., Jespersen, B., Gustafsson, Finn, Krause, T. G., Hansen, C. H., Ethelberg, Steen & Obel, Niels, 2022, In: American Journal of Transplantation. 22, 11, p. 2627-2636 10 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  26. Published

    Risk of Cancer Among Sarcoidosis Patients With Biopsy-verified Nonnecrotizing Granulomatous Inflammation: Population-based Cohort Study

    Faurschou, M., Omland, L. H., Obel, Niels, Lindhardsen, Jesper & Baslund, B., 2022, In: Journal of Rheumatology. 49, 2, p. 186-191 6 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  27. Published

    Risk of subarachnoid haemorrhages and aneurysms in Danish people with HIV

    Tetens, M. M., Gerstoft, Jan, Kronborg, Gitte, Johansen, I. S., Larsen, C. S., Weise, L., Dalager-Pedersen, M., Omland, L. H. & Obel, Niels, 2022, In: AIDS. 36, 9, p. 1287-1294 8 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  28. Published

    Socioeconomic functioning in patients with brain abscess – a nationwide, population-based cohort study in Denmark

    Omland, L. H., Bodilsen, J., Helweg-Larsen, J., Jarløv, J. O., Ziebell, M., Ellermann-Eriksen, S., Justesen, U. S., Frimodt-Møller, N. & Obel, Niels, 2022, In: Journal of Infection. 84, 5, p. 621-627 7 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

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