Niels Obel

Niels Obel

Clinical Professor

Member of:

  • Internal medicine: infection medicine


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  1. Published

    A modeling study of the Danish HIV epidemic in men who have sex with men: travel, pre-exposure prophylaxis and elimination

    Palk, L., Gerstoft, Jan, Obel, Niels & Blower, S., 2018, In: Scientific Reports. 8, 7 p., 16003.

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

  2. Published

    Abacavir and risk of myocardial infarction in HIV-infected patients on highly active antiretroviral therapy: a population-based nationwide cohort study

    Obel, Niels, Farkas, D. K., Kronborg, Gitte, Larsen, C. S., Pedersen, G., Riis, A., Pedersen, C., Gerstoft, Jan, Sørensen, H. T., Obel, N., Farkas, D., Kronborg, Gitte, Larsen, C., Pedersen, G., Riis, A., Pedersen, C., Gerstoft, J. & Sørensen, H., 2009, In: HIV Medicine. 11, 2, p. 130-6

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

  3. Published

    Adherence to national guidelines for initiation of antiretroviral regimens in HIV patients: a Danish nationwide study

    Petersen, T., Andersen, S. E., Gerstoft, Jan, Thorsteinsson, K., Larsen, C. S., Pedersen, G., Pedersen, C. & Obel, Niels, 1 Jul 2011, In: British Journal of Clinical Pharmacology. 72, 1, p. 116-24 9 p.

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

  4. Published

    Agreement between Estimated and Measured Renal Function in an Everyday Clinical Outpatient Setting of Human Immunodeficiency Virus-Infected Individuals

    Ahlström, M. G., Kjær, Andreas, Gerstoft, Jan & Obel, Niels, 2017, In: Nephron. 136, p. 318-327 10 p.

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

  5. Published

    Algorithmic prediction of HIV status using nation-wide electronic registry data

    Ahlström, M. G., Ronit, A., Omland, L. H., Vedel, S. & Obel, Niels, 2019, In: EClinicalMedicine. 17, 8 p., 100203.

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

  6. Published

    All-cause mortality in treated HIV-infected adults with CD4 ≥500/mm3 compared with the general population: evidence from a large European observational cohort collaboration

    Lewden, C., Bouteloup, V., De Wit, S., Sabin, C., Mocroft, A., Wasmuth, J. C., van Sighem, A., Kirk, O., Obel, N., Panos, G., Ghosn, J., Dabis, F., Mary-Krause, M., Leport, C., Perez-Hoyos, S., Sobrino-Vegas, P., Stephan, C., Castagna, A., Antinori, A., d'Arminio Monforte, A. & 9 others, Torti, C., Mussini, C., Isern, V., Calmy, A., Teira, R., Egger, M., Grarup, J., Chêne, G. & Collaboration of Observational HIV Epidemiological Research Europe (COHERE) in EuroCoord, C. O. O. H. E. R. E. (. I. E., 2012, In: International Journal of Epidemiology. 41, 2, p. 433-45 13 p.

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

  7. Published

    Anal carcinoma in HIV-infected patients in the period 1995-2009: A Danish nationwide cohort study

    Legarth, R., Helleberg, Marie, Kronborg, Gitte, Larsen, C. S., Pedersen, G., Pedersen, C., Jensen, J., Nielsen, L. N., Gerstoft, Jan & Obel, Niels, 2013, In: Scandinavian Journal of Infectious Diseases. 45, 6, p. 453-459 7 p.

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

  8. Published

    Assessment of the Risk of Psychiatric Disorders, Use of Psychiatric Hospitals, and Receipt of Psychiatric Medication among Patients with Lyme Neuroborreliosis in Denmark

    Tetens, M. M., Haahr, R., Dessau, R. B., Krogfelt, K. A., Bodilsen, J., Andersen, N. S., Møller, J. K., Roed, C., Christiansen, C. B., Ellermann-Eriksen, S., Bangsborg, Jette Marie, Hansen, Klaus, Andersen, C., Lebech, Anne-Mette, Obel, Niels & Omland, L. H., 2021, In: JAMA Psychiatry. 78, 2, p. 177-186

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

  9. Published

    Association Between Educational Level and Risk of Cancer in HIV-infected Individuals and the Background Population: Population-based Cohort Study 1995-2011

    Legarth, R., Omland, L. H., Dalton, Susanne Oksbjerg, Kronborg, Gitte, Larsen, C. S., Pedersen, C., Pedersen, G., Gerstoft, Jan & Obel, Niels, 15 Nov 2015, In: The Journal of Infectious Diseases. 212, 10, p. 1552-62 11 p.

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

  10. Published

    Association between smoking status assessed with plasma-cotinine and inflammatory and endothelial biomarkers in HIV-positive and HIV-negative individuals

    Ahlström, M. G., Knudsen, A., Ullum, H., Gerstoft, Jan, Kjær, Andreas, Lebech, Anne-Mette, Hasbak, P. & Obel, Niels, Nov 2018, In: HIV Medicine. 19, 10, p. 679-687 9 p.

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

  11. Published

    Association study of common genetic variants and HIV-1 acquisition in 6,300 infected cases and 7,200 controls

    McLaren, P. J., Coulonges, C., Ripke, S., van den Berg, L., Buchbinder, S., Carrington, M., Cossarizza, A., Dalmau, J., Deeks, S. G., Delaneau, O., De Luca, A., Goedert, J. J., Haas, D., Herbeck, J. T., Kathiresan, S., Kirk, G. D., Lambotte, O., Luo, M., Mallal, S., van Manen, D. & 26 others, Martinez-Picado, J., Meyer, L., Miro, J. M., Mullins, J. I., Obel, Niels, O'Brien, S. J., Pereyra, F., Plummer, F. A., Poli, G., Qi, Y., Rucart, P., Sandhu, M. S., Shea, P. R., Schuitemaker, H., Theodorou, I., Vannberg, F., Veldink, J., Walker, B. D., Weintrob, A., Winkler, C. A., Wolinsky, S., Telenti, A., Goldstein, D. B., de Bakker, P. I. W., Zagury, J. & Fellay, J., 2013, In: P L o S Pathogens (Online). 9, 7, p. e1003515 9 p.

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

  12. Published

    Associations between HIV and schizophrenia and their effect on HIV treatment outcomes: a nationwide population-based cohort study in Denmark

    Helleberg, Marie, Pedersen, M. G., Pedersen, C. B., Mortensen, P. B. & Obel, Niels, Aug 2015, In: The Lancet HIV. 2, 8, p. e344-50

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

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

  14. Published

    Bone mineral density changes in protease inhibitor-sparing vs. nucleoside reverse transcriptase inhibitor-sparing highly active antiretroviral therapy: data from a randomized trial

    Hansen, A. E., Obel, Niels, Nielsen, H., Pedersen, C. & Gerstoft, Jan, 1 Mar 2011, In: HIV Medicine. 12, 3, p. 157-65 9 p.

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

  15. 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 journal › Comment/debate › Research › peer-review

  16. Published

    CD4 cell count and the risk of AIDS or death in HIV-Infected adults on combination antiretroviral therapy with a suppressed viral load: a longitudinal cohort study from COHERE

    Obel, Niels & Opportunistic Infections Project Team of the Collaboration of Observational HIV Epidemiological Research in Europe (COHERE) in EuroCoord, O. I. P. T. O. T. C. O. O. H. E. R. I. E. (. I. E., 2012, In: P L o S Medicine. 9, 3, p. e1001194

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

  17. Published

    CD4 cell count response to first-line combination ART in HIV-2+ patients compared with HIV-1+ patients: a multinational, multicohort European study

    Wittkop, L., Arsandaux, J., Trevino, A., Schim van der Loeff, M., Anderson, J., van Sighem, A., Böni, J., Brun-Vezinet, F., Soriano, V., Boufassa, F., Brockmeyer, N., Calmy, A., Dabis, F., Jarrin, I., Dorrucci, M., Duque, V., Fätkenheuer, G., Zangerle, R., Ferrer, E., Porter, K. & 21 others, Judd, A., Sipsas, N. V., Lambotte, O., Shepherd, L., Leport, C., Morrison, C., Mussini, C., Obel, Niels, Ruelle, J., Schwarze-Zander, C., Sonnerborg, A., Teira, R., Torti, C., Valadas, E., Colin, C., Friis-Møller, N., Costagliola, D., Thiebaut, R., Chene, G., Matheron, S. & COHERE in EuroCoord and ACHIeV2e Study Group, C. I. E. A. A. S. G., 2017, In: The Journal of antimicrobial chemotherapy. 72, 10, p. 2869-2878

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

  18. Published

    CD4 decline is associated with increased risk of cardiovascular disease, cancer, and death in virally suppressed patients with HIV

    Helleberg, Marie, Kronborg, Gitte, Larsen, C., Pedersen, G., Pedersen, C., Obel, Niels & Gerstoft, Jan, 2013, In: Clinical infectious diseases : an official publication of the Infectious Diseases Society of America. 57, 2, p. 314-321 8 p.

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

  19. Published

    CD4:CD8 Ratio and CD8 Count as Prognostic Markers for Mortality in Human Immunodeficiency Virus-Infected Patients on Antiretroviral Therapy: The Antiretroviral Therapy Cohort Collaboration (ART-CC)

    Antiretroviral Therapy Cohort Collaboration (ART-CC), A. T. C. C. (., Boulle, A., Stephan, C., Miró, J. M., Obel, Niels, Teira, R., Williams, M. & Zangerle, R., 2017, In: Clinical Infectious Diseases. 65, 6, p. 959-966

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

  20. Published

    Calendar time trends in the incidence and prevalence of triple-class virologic failure in antiretroviral drug-experienced people with HIV in Europe

    Nakagawa, F., Lodwick, R., Costagliola, D., van Sighem, A., Torti, C., Podzamczer, D., Mocroft, A., Ledergerber, B., Dorrucci, M., Cozzi-Lepri, A., Jansen, K., Masquelier, B., García, F., De Wit, S., Stephan, C., Obel, N., Fätkenhaeuer, G., Castagna, A., Sambatakou, H., Mussini, C. & 11 others, Ghosn, J., Zangerle, R., Duval, X., Meyer, L., Perez-Hoyos, S., Fabre Colin, C., Kjaer, J., Chene, G., Grarup, J., Phillips, A. & Pursuing Later Treatment Options II (PLATO II) project team, P. L. T. O. I. (. I. P. T., 2012, In: J A I D S. 59, 3, p. 294-9 6 p.

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

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

  22. Published

    Cause-Specific Mortality in HIV-Positive Patients Who Survived Ten Years after Starting Antiretroviral Therapy

    Trickey, A., May, M. T., Vehreschild, J-J., Obel, N., Gill, M. J., Crane, H. M., Boesecke, C., Samji, H., Grabar, S., Cazanave, C., Cavassini, M., Shepherd, L., D'Arminio Monforte, A., Smit, C., Saag, M. S., Lampe, F., Hernando, V., Montero, M., Zangerle, R., Justice, A. C. & 5 others, Sterling, T. R., Miró, J. M., Ingle, S., Sterne, J. A. C. & Antiretroviral Therapy Cohort Collaboration (ART-CC), A. T. C. C. (., 2016, In: PLOS ONE. 11, 8, 16 p., e0160460.

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

  23. Published

    Causes of death among Danish HIV patients compared with population controls in the period 1995-2008

    Helleberg, M., Kronborg, Gitte, Larsen, C. S., Pedersen, G., Pedersen, C., Gerstoft, Jan & Obel, Niels, 2012, In: Infection: A Journal of Infectious Diseases. 40, 6, p. 627-34

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

  24. Published

    Cervical cancer risk in women living with HIV across four continents: A multicohort study

    Rohner, E., Bütikofer, L., Schmidlin, K., Sengayi, M., Maskew, M., Giddy, J., Taghavi, K., Moore, R. D., Goedert, J. J., Gill, M. J., Silverberg, M. J., D'Souza, G., Patel, P., Castilho, J. L., Ross, J., Sohn, A., Bani-Sadr, F., Taylor, N., Paparizos, V., Bonnet, F. & 21 others, Verbon, A., Vehreschild, J. J., Post, F. A., Sabin, C., Mocroft, A., Dronda, F., Obel, Niels, Grabar, S., Spagnuolo, V., Quiros-Roldan, E., Mussini, C., Miro, J. M., Meyer, L., Hasse, B., Konopnicki, D., Roca, B., Barger, D., Clifford, G. M., Franceschi, S., Egger, M. & Bohlius, J., Feb 2020, In: International Journal of Cancer. 146, 3, p. 601-609

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

  25. Published

    Changes in Lyme neuroborreliosis incidence in Denmark, 1996 to 2015

    Tetens, M. M., Haahr, R., Dessau, R. B., Krogfelt, K. A., Bodilsen, J., Andersen, N. S., Møller, J. K., Roed, C., Christiansen, C. B., Ellermann-Eriksen, S., Bangsborg, Jette Marie, Hansen, Klaus, Benfield, Thomas, Andersen, C. Ø., Obel, Niels, Omland, L. H. & Lebech, Anne-Mette, 2020, In: Ticks and Tick-borne Diseases. 11, 6, 101549.

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

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ID: 917100