Epidemiological composition,clinical and treatment characteristics of the patient cohort of the german competence network for HIV/AIDS |
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Authors: | K Jansen NH Brockmeyer M Hahn I Kaul S Fenske M Rausch B Kuhlmann A Ulmer E Lauenroth-Mai T Harrer M Hower A Skaletz-Rorowski C Michalik the Competence Network for HIV/AIDS |
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Affiliation: | 1. Kompetenznetz HIV/AIDS, Ruhr-Universit?t, Bochum 2. Dermatologische Klinik, Ruhr-Universit?t, Bochum 3. IMSIE, Institut für Medizinische Statistik, Informatik und Epidemiologie, K?ln 4. ICH Grindelpraxis, Infektionsepidemiologisches Centrum, Hamburg 5. Gemeinschaftspraxis Fuggerstra?e, Berlin 6. Praxis Georgstra?e, Hannover 7. Gemeinschaftspaxis Ulmer/Frietsch/Müller, Stuttgart 8. Gemeinschaftspraxis Turmstra?e, Berlin 9. Medizinische Klinik 3, Universit?tsklinikum, Erlangen 10. Universit?tsklinikum, Dortmund 11. ZKS, Zentrum für Klinische Studien, K?ln
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Abstract: | ObjectiveAs its central basis for research, the Competence Network for HIV/AIDS (KompNet) established a nationwide cohort study on HIV-positive patients being in medical care in Germany. In this paper, we describe the epidemiological composition, and clinical as well as treatment characteristics of the KompNet cohort over time.MethodsThe KompNet cohort is an open, retrospective and prospective, multi-center, disease-specific and nationwide cohort study that started gathering data in June 2004. Semiannually, follow up visits of the patients are documented, covering a wide range of clinical and sociodemographic data. At enrolment and three years afterwards, an EDTA-sample is taken; a serum-sample is taken at every follow up.ResultsAs of 20.10.2008, a total of 15,541 patients were enrolled by 44 documenting sites. In September 2007, the cohort size was reduced to ten outpatient clinics and fifteen private practitioners, covering a total of 9,410 patients. The documentation of these patients comprised 24,117 years of follow up-time since enrolment (mean: 2.6 years), 62,862 person years inclusive data documented retrospectively on course of HIV-infection and antiretroviral therapy (ART, mean: 6.7 years). Due to the short period of recruitment till now, rates of death (0.3%-0.8%) and losses to follow up (1.1%-5.5%) were low.84.9% of patients were men. Main risk of transmission was sex between men (MSM: 62.9%). Mean age was 45 years. About two third of patients were classified as CDC-stage B or C. Therapy regimens of currently treated patients complied with recent guidelines. Trends of mean CD4 cell count/μl regarding the initial therapy and concerning the population under treatment reflected the developments and the changing standards of antiretroviral therapy over time.ConclusionThe KompNet cohort covers about a quarter of all patients estimated as being under treatment in Germany. Its composition can be accounted approximately representative for the situation of clinical care and treatment in the scope of HIV/AIDS in Germany. Therefore, it is an important instrument for measuring the course of HIV/AIDS, the reality of use of antiretroviral therapy and its clinical and psychosocial outcomes in Germany. |
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Keywords: | Cohort Study HIV/AIDS Germany Epidemiology Clinical Research Profile Competence Network HIV/AIDS |
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