Darunavir Outcomes Study: Comparative Effectiveness of Virologic Suppression, Regimen Durability, and Discontinuation Reasons for Three-Class Experienced Patients at 48 Weeks
2010
Abstract Several new antiretroviral (ARV) agents for treatment experienced HIV-infected patients have been approved since June 2006, including darunavir (DRV) and raltegravir (RAL). While efficacious in clinical trials, the effectiveness, durability, and tolerability of these new ARVs remains understudied in the context of routine clinical care. The Darunavir Outcomes Study is a prospective cohort study of three-class ARV-experienced patients changing regimens at the 1917 Clinic after 1/7/2006. All treatment decisions were at the discretion of primary providers. Multivariate (MV) logistic regression for 48 week VL <400c/ml and Cox models for regimen durability were completed. Propensity score methods controlled for sociodemographics. Among 108 patients, mean age of 46, 48% were white, 80% male, with prior exposure to a mean 10.5 ARVs. Overall, 64% of patients achieved 48-week VL <400 c/ml. In MV modeling DRV/rll (OR = 5.77;95%CI = 1.62–20.58) and RAL (OR = 3.84;95%CI = 1.23–11.95) use increased odds of 48...
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