Treatment Durability, Effectiveness, and Safety with Atazanavir/Ritonavir-Based HAART Regimen in Treatment-Naïve HIV-lnfected Patients
2011
AbstractPurpose: To describe the durability of treatment, virological and immunologi-cal response, and safety of an atazanavir/ritonavir (ATV/RTV)-based highly active antiretroviral therapy (HAART) regimen in treatment-naive HIV-infected patients. Methods: This was a multicentre retrospective study. Medical charts of antiret-roviral-na’i’ve HIV-infected adults who initiated ATV/RTV (300/100 mg) from January 2004 to December 2007 in 10 Canadian clinics were reviewed. Data were collected from time of ATV/RTV treatment initiation until discontinuation of ATV. Durability of treatment and time to virological response were estimated with Kaplan-Meier functions. Change in viral load, CD4 cell counts, and lipid parameters were assessed with linear regression analyses. Results: 176 patients were enrolled, 153 (86.9%) were male, and the majority (52.3%) were 40 to 54 years old. Duration of observation ranged from 1.6 to 56 months. The mean (S£) durability of treatment was 33.5 (0.7) months. There were 37 (21.0%) pa...
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