Niels Obel

Niels Obel

Clinical Professor

Member of:

  • Internal medicine: infection medicine


Publication year:
All
201 - 239 out of 239Page size: 50
  1. 2010
  2. Published

    Long-term mortality in patients diagnosed with pneumococcal meningitis: a Danish nationwide cohort study

    Roed, Casper, Engsig, F. N., Omland, L., Skinhøj, P. & Obel, Niels, 1 Aug 2010, In: American Journal of Epidemiology. 172, 3, p. 309-17 9 p.

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

  3. Published

    Risk of high-level viraemia in HIV-infected patients on successful antiretroviral treatment for more than 6 months

    Engsig, F. N., Omland, L. H., Larsen, Mette Vang, Rasmussen, L. D., Qvist, T., Gerstoft, Jan & Obel, Niels, 1 Aug 2010, In: HIV Medicine. 11, 7, p. 457-61 5 p.

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

  4. Published

    Death rates in HIV-positive antiretroviral-naive patients with CD4 count greater than 350 cells per microL in Europe and North America: a pooled cohort observational study

    Lodwick, R. K., Sabin, C. A., Porter, K., Ledergerber, B., van Sighem, A., Cozzi-Lepri, A., Khaykin, P., Mocroft, A., Jacobson, L., De Wit, S., Obel, N., Castagna, A., Wasmuth, J-C., Gill, J., Klein, M. B., Gange, S., Riera, M., Mussini, C., Gutiérrez, F., Touloumi, G. & 5 others, Carrieri, P., Guest, J. L., Brockmeyer, N. H., Phillips, A. N. & Study Group on Death Rates at High CD4 Count in Antiretroviral Naive Patients, S. G. O. D. R. A. H. C. C. I. A. N. P., 31 Jul 2010, In: Lancet. 376, 9738, p. 340-5 6 p.

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

  5. Published

    Phylogeny and resistance profiles of HIV-1 POL sequences from rectal biopsies and blood

    Katzenstein, T. L., Petersen, A. B., Storgaard, M., Obel, Niels, Jensen-Fangel, S., Nielsen, C., Jørgensen, L. B. & Jørgensen, L. B., 1 Jul 2010, In: Journal of Medical Virology. 82, 7, p. 1103-9 7 p.

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

  6. Published

    Hvad er hønen, og hvad er aegget ved hepatitis C-infektion?

    Obel, Niels, 21 Jun 2010, In: Ugeskrift for Laeger. 172, 25, p. 1888 1 p.

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

  7. Published

    Genetic and environmental influences on risk of death due to infections assessed in Danish twins, 1943-2001

    Obel, Niels, Christensen, K., Petersen, I., Sørensen, Thorkild I.A. & Skytthe, A., 1 May 2010, In: American Journal of Epidemiology. 171, 9, p. 1007-13 7 p.

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

  8. Published

    Triple-class virologic failure in HIV-infected patients undergoing antiretroviral therapy for up to 10 years

    Lodwick, R., Costagliola, D., Reiss, P., Torti, C., Teira, R., Dorrucci, M., Ledergerber, B., Mocroft, A., Podzamczer, D., Cozzi-Lepri, A., Obel, N., Masquelier, B., Staszewski, S., García, F., De Wit, S., Castagna, A., Antinori, A., Judd, A., Ghosn, J., Touloumi, G. & 22 others, Mussini, C., Duval, X., Ramos, J., Meyer, L., Warsawski, J., Thorne, C., Masip, J., Pérez-Hoyos, S., Pillay, D., van Sighem, A., Lo Caputo, S., Günthard, H., Paredes, R., De Luca, A., Paraskevis, D., Fabre-Colin, C., Kjaer, J., Chêne, G., Lundgren, Jens, Phillips, A. N., Pursuing Later Treatment Options II (PLATO II) Project Team for the Collaboration of Observational HIV Epidemiological Research Europe (COHERE), P. L. T. O. I. (. I. P. T. F. T. C. O. O. H. E. R. E. (. & Kjaer, J., 8 Mar 2010, In: Archives of Internal Medicine. 170, 5, p. 410-9 10 p.

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

  9. Published

    Impact of injecting drug use on mortality in Danish HIV-infected patients: a nation-wide population-based cohort study

    Larsen, Mette Vang, Omland, L. H., Gerstoft, Jan, Larsen, C. S., Jensen, J., Obel, Niels, Kronborg, Gitte & Jensen, J., 1 Mar 2010, In: Addiction. 105, 3, p. 529-35 7 p.

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

  10. Published

    Inpatient admissions and outpatient visits in persons with and without HIV infection in Denmark, 1995-2007

    Engsig, F. N., Hansen, A. E., Gerstoft, Jan, Kronborg, Gitte, Larsen, C. S., Obel, Niels, Engsig, F. N., Hansen, A. E., Gerstoft, Jan, Kronborg, Gitte, Larsen, C. S. & Obel, Niels, 28 Jan 2010, In: AIDS. 24, 3, p. 457-61 5 p.

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

  11. Published

    Clinical, virological and immunological responses in Danish HIV patients receiving raltegravir as part of a salvage regimen

    Engsig, F. N., Gerstoft, Jan, Kronborg, Gitte, Larsen, C. S., Pedersen, G., Audelin, A. M., Jørgensen, L. B., Obel, Niels & Jørgensen, L. B., 1 Jan 2010, In: Clinical Epidemiology. 2, p. 145-51 7 p.

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

  12. Published

    Hepatitis C virus infection and risk of cancer: a population-based cohort study

    Omland, L., Farkas, D. K., Jepsen, P., Obel, Niels & Pedersen, L., 1 Jan 2010, In: Clinical Epidemiology. 2, p. 179-86 8 p.

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

  13. Published

    Long-term mortality in HIV patients virally suppressed for more than three years with incomplete CD4 recovery: a cohort study

    Engsig, F. N., Gerstoft, Jan, Kronborg, Gitte, Larsen, C. S., Pedersen, G., Røge, B., Jensen, J., Nielsen, L. N. & Obel, Niels, 1 Jan 2010, In: B M C Infectious Diseases. 10, p. 318

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

  14. Published

    Long-term mortality in patients diagnosed with meningococcal disease: a Danish nationwide cohort study

    Roed, Casper, Omland, L., Engsig, F. N., Skinhøj, P. & Obel, Niels, 1 Jan 2010, In: P L o S One. 5, 3, p. e9662-9 7 p.

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

  15. Published

    Risk of myocardial infarction in parents of HIV-infected Individuals: a population-based Cohort Study

    Rasmussen, L. D., Omland, L. H., Pedersen, C., Gerstoft, Jan, Kronborg, Gitte, Jensen, J., Obel, Niels & Jensen, J., 1 Jan 2010, In: B M C Infectious Diseases. 10, p. 169

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

  16. Published

    HIV and risk of venous thromboembolism: a Danish nationwide population-based cohort study

    Rasmussen, L., Dybdal, M., Gerstoft, J., Kronborg, Gitte, Larsen, C., Pedersen, C., Pedersen, G., Jensen, J., Pedersen, L., Sørensen, H., Obel, N., Gerstoft, Jan & Obel, Niels, 2010, In: HIV Medicine. 12, 4, p. 202-210 8 p.

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

  17. Published

    Mortality in HIV-infected injection drug users with active vs cleared hepatitis C virus-infection: a population-based cohort study

    Omland, L. H., Jepsen, P., Weis, Nina, Christensen, P. B., Laursen, A. L., Nielsen, H., Krarup, H., Sørensen, H. T. & Obel, Niels, 2010, In: Journal of Viral Hepatitis. 17, 4, p. 261-8 7 p.

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

  18. 2009
  19. 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

  20. Published

    Common genetic variation and the control of HIV-1 in humans

    Fellay, J., Ge, D., Shianna, K. V., Colombo, S., Ledergerber, B., Cirulli, E. T., Urban, T. J., Zhang, K., Gumbs, C. E., Smith, J. P., Castagna, A., Cozzi-Lepri, A., De, L. A., Easterbrook, P., Gunthard, H. F., Mallal, S., Mussini, C., Dalmau, J., Martinez-Picado, J., Miro, J. M. & 17 others, Obel, Niels, Wolinsky, S. M., Martinson, J. J., Detels, R., Margolick, J. B., Jacobson, L. P., Descombes, P., Antonarakis, S. E., Beckmann, J. S., O'Brien, S. J., Letvin, N. L., McMichael, A. J., Haynes, B. F., Carrington, M., Feng, S., Telenti, A. & Goldstein, D. B., 2009, In: PLoS Genetics. 5, 12, p. e1000791-

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

  21. Published

    Does Contrast Enhancement Predict Survival in Progressive Multifocal Leukoencephalopathy? Reply

    Engsig, F. N., Hansen, A. B. E., Omland, L. H., Kronborg, Gitte, Gerstoft, Jan, Laursen, A. L., Pedersen, C., Mogensen, C. B., Nielsen, L. & Obel, Niels, 2009, In: Journal of Infectious Diseases. 199, 9, p. 1411-1412 1 p.

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

  22. Published

    Incidence, clinical presentation, and outcome of progressive multifocal leukoencephalopathy in HIV-infected patients during the highly active antiretroviral therapy era: a nationwide cohort study

    Engsig, F. N., Hansen, A. E., Omland, L. H., Kronborg, Gitte, Gerstoft, Jan, Laursen, A. L., Pedersen, C., Mogensen, C. B., Nielsen, L., Obel, Niels, Engsig, F. N., Hansen, A. E., Omland, L. H., Kronborg, Gitte, Gerstoft, Jan, Laursen, A. L., Pedersen, C., Mogensen, C. B., Nielsen, L. & Obel, Niels, 2009, In: Journal of Infectious Diseases. 199, 1, p. 77-83 6 p.

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

  23. Published

    Mortality after hospitalization for pneumonia among individuals with HIV, 1995-2008: a Danish cohort study

    Soegaard, O. S., Lohse, N., Gerstoft, Jan, Kronborg, Gitte, Ostergaard, L., Pedersen, C., Pedersen, G., Sorensen, H. T., Obel, Niels, Søgaard, O. S., Lohse, N., Gerstoft, J., Kronborg, Gitte, Østergaard, L., Pedersen, C., Pedersen, G., Sørensen, H. T. & Obel, N., 2009, In: PLoS ONE. 4, 9, p. e7022

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

  24. Published

    Mortality from HIV and TB coinfections is higher in Eastern Europe than in Western Europe and Argentina

    Podlekareva, Daria, Mocroft, A., Post, F. A., Riekstina, V., Miro, J. M., Furrer, H., Bruyand, M., Panteleev, A. M., Rakhmanova, A. G., Girardi, E., Losso, M. H., Toibaro, J. J., Caylá, J., Miller, R. F., Obel, Niels, Skrahina, A., Chentsova, N., Lundgren, Jens, Kirk, Ole & HIV/TB Study Writing Group, H. S. W. G., 2009, In: AIDS. 23, 18, p. 2485-95 10 p.

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

  25. Published

    Positive selection pressure introduces secondary mutations at Gag cleavage sites in human immunodeficiency virus type 1 harboring major protease resistance mutations

    Banke, S., Lillemark, M. R., Gerstoft, Jan, Obel, Niels & Jorgensen, L. B., 2009, In: Journal of Virology. 83, 17, p. 8916-8924 8 p.

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

  26. Published

    Predictors of antiviral treatment initiation in hepatitis C virus-infected patients: a Danish cohort study

    Hansen, N., Obel, N., Christensen, P. B., Krarup, H., Laursen, A. L., Clausen, M. R., Lunding, S., Møller, A., Schlichting, P., Kromann-Andersen, H., Bukh, J., Weis, N., Hansen, N., Obel, N., Christensen, P. B., Krarup, H., Laursen, A. L., Clausen, M. R., Lunding, S., Møller, A. & 4 others, Schlichting, P., Kromann-Andersen, H., Bukh, J. & Weis, Nina, 2009, In: Journal of Viral Hepatitis. 16, 9, p. 659-65 6 p.

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

  27. Published

    The impact of HIV-1 co-infection on long-term mortality in patients with hepatitis C: a population-based cohort study

    Omland, L. H., Jepsen, P., Skinhøj, P., Jørgensen, H. L., Münster, A. B., Bangsborg, Jette Marie, Fenger, M., Sørensen, H. T., Obel, Niels, Omland, L., Jepsen, P., Skinhøj, P., Jørgensen, H., Münster, A., Bangsborg, J., Fenger, M., Sørensen, H., Obel, N. & NN, N., 2009, In: HIV Medicine. 10, 2, p. 65-71

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

  28. Published

    The incidence rate of HIV type-1 drug resistance in patients on antiretroviral therapy: a nationwide population-based Danish cohort study 1999-2005

    Audelin, A. M., Lohse, N., Obel, Niels, Gerstoft, Jan & Jorgensen, L. B., 2009, In: Antiviral Therapy. 14, 7, p. 995-1000 5 p.

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

  29. Published

    The prevalence of metabolic syndrome in Danish patients with HIV infection: the effect of antiretroviral therapy

    Hansen, B. R., Petersen, J., Haugaard, Steen Bendix, Madsbad, Sten, Obel, Niels, Suzuki, Y., Andersen, O., Hansen, B. R., Petersen, J., Haugaard, S. B., Madsbad, Sten, Obel, N., Suzuki, Y. & Andersen, Ove, 2009, In: HIV Medicine. 10, 6, p. 378-87 9 p.

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

  30. Published

    [Major breakthroughs in the medical treatment]

    Kirk, Ole, Gerstoft, Jan, Lundgren, J. D. & Obel, Niels, 2009, In: Ugeskrift for læger. 171, 10, p. 787-789 2 p.

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

  31. Published

    [Risk of virus transmission from well-treated patients with HIV?]

    Gerstoft, Jan, Mathiesen, L., Lundgren, J. D., Nielsen, H. I., Pedersen, C., Obel, Niels & Laursen, A., 2009, In: Ugeskrift for læger. 171, 13, p. 1085-

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

  32. 2008
  33. Published

    Changes in immunological status among newly-diagnosed HIV-infected in Denmark 1995-2005

    Hoegh, S., Lohse, N., Hansen, A. B., Gerstoft, Jan, Kronborg, Gitte, Larsen, C. S., Pedersen, C., Pedersen, G., Laursen, A. L., Kvinesdal, B., Moller, A. & Obel, Niels, 2008, In: Ugeskrift for læger. 170, 9, p. 740-744 4 p.

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

  34. Published

    Cohort profile: the Danish HIV cohort study

    Obel, Niels, Engsig, F. N., Rasmussen, L. D., Larsen, Mette Vang, Omland, L. H. & Sørensen, H. T., 2008, In: International Journal of Epidemiology. 38, 5, p. 1202-1206 4 p.

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

  35. Published

    Hospitalization for pneumonia among individuals with and without HIV infection, 1995-2007: a Danish population-based, nationwide cohort study.

    Sogaard, O. S., Lohse, N., Gerstoft, Jan, Kronborg, G., Ostergaard, L., Pedersen, C., Pedersen, G., Sorensen, H. T., Obel, Niels, Sogaard, O. S., Lohse, N., Gerstoft, J., Kronborg, Gitte, Ostergaard, L., Pedersen, C., Pedersen, G., Sørensen, H. T. & Obel, N., 2008, In: Clinical Infectious Diseases. 47, 10, p. 1345-53 8 p.

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

  36. Published

    Impact of hepatitis B virus co-infection on response to highly active antiretroviral treatment and outcome in HIV-infected individuals: a nationwide cohort study.

    Omland, L. H., Weis, Nina, Skinhoj, P., Laursen, A., Christensen, P. B., Nielsen, H. I., Moller, A., Engsig, F., Sorensen, H. T., Obel, Niels, Omland, L. H., Weis, Nina, Skinhøj, P., Laursen, A., Christensen, P. B., Nielsen, H. I., Møller, A., Engsig, F., Sørensen, H. T. & Obel, N., 2008, In: HIV Medicine. 9, 5, p. 300-6 6 p.

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

  37. Published

    Implementation and effectiveness of antiretroviral therapy in Greenland

    Lohse, N., Ladefoged, K. & Obel, Niels, 2008, In: Emerging Infectious Diseases (Print Edition). 14, 1, p. 56-59 3 p.

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

  38. Published

    Prenatal stress and epilepsy in later life: a nationwide follow-up study in Denmark

    Li, J., Vestergaard, M., Obel, Niels, Precht, D. H., Christensen, J., Lu, M. & Olsen, J., 2008, In: Epilepsy Research. 81, 1, p. 52-57 5 p.

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

  39. Published

    Retrivability in The Danish National Hospital Registry of HIV and hepatitis B and C coinfection diagnoses of patients managed in HIV centers 1995-2004

    Obel, Niels, Reinholdt, H., Omland, L. H., Engsig, F., Sorensen, H. T. & Hansen, A. B., 2008, In: BMC Medical Research Methodology. 8, p. 25-

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

  40. Published

    Short communication: high prevalence of drug-resistant human immunodeficiency virus type 1 in treatment-naive patients in Greenland

    Madsen, T. V., Lohse, N., Jensen, E. S., Obel, Niels, Ladefoged, K., Gerstoft, Jan, Petersen, A. B., Nielsen, C. & Jorgensen, L. B., 2008, In: AIDS Research and Human Retroviruses. 24, 8, p. 1073-1077 4 p.

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

  41. Published

    Unmeasured confounding caused slightly better response to HAART within than outside a randomized controlled trial

    Hansen, Anders Bach Bergstrøm, Gerstoft, Jan, Kirk, Ole, Mathiesen, L., Pedersen, C., Nielsen, H., Jensen-Fangel, S., Sørensen, H. T. & Obel, Niels, 2008, In: Journal of Clinical Epidemiology. 61, 1, p. 87-94 7 p.

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

  42. 2007
  43. Published

    Pharmacokinetics of two randomized trials evaluating the safety and efficacy of indinavir, saquinavir and lopinavir in combination with low-dose ritonavir: the MaxCmin1 and 2 trials

    Justesen, U., Fox, Z., Pedersen, C., Cahn, P., Gerstoft, Jan, Clumeck, N., Losso, M., Peters, B., Obel, Niels, Castagna, A., Dragsted, U. B., Lundgren, Jens & MaxCmin1 and 2 trial groups, M. A. 2. T. G., 2007, In: Basic & Clinical Pharmacology & Toxicology. 101, 5, p. 339-344 6 p.

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

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ID: 917100