HIV-1 Drug Resistance Mutations Among Antiretroviral-Naive HIV-1-Infected Patients in Asia: Results From the TREAT Asia Studies to Evaluate Resistance-Monitoring Study

Of 682 antiretroviral-naive patients initiating antiretroviral therapy in a prospective, multicenter human immunodeficiency virus type 1 (HIV-1) drug resistance monitoring study involving 8 sites in Hong Kong, Malaysia, and Thailand, the prevalence of patients with >= 1 drug resistance mutation was 13.8%. Primary HIV drug resistance is emerging after rapid scaling-up of antiretroviral therapy use in Asia.