Trends in First-Line Antiretroviral Therapy in Asia: Results from the TREAT Asia HIV Observational Database

David Charles Boettiger, Stephen Kerr, Rossana Ditangco, Tuti Parwati Merati, Thuy Thi Thanh Pham, Romanee Chaiwarith, Sasisopin Kiertiburanakul, Chung Ki Patrick Li, Nagalingeswaran Kumarasamy, Saphonn Vonthanak, Christopher Lee, Nguyen Van Kinh, Sanjay Pujari, Wing Wai Wong, Adeeba Kamarulzaman, Fujie Zhang, Evy Yunihastuti, Jun Yong Choi, Shinichi Oka, Oon Tek Ng, Pacharee Kantipong, Mahiran Mustafa, Winai Ratanasuwan, Annette Sohn and Matthew Law

PLOS ONE, 2014, vol. 9, issue 9, 1-10

Abstract: Background: Antiretroviral therapy (ART) has evolved rapidly since its beginnings. This analysis describes trends in first-line ART use in Asia and their impact on treatment outcomes. Methods: Patients in the TREAT Asia HIV Observational Database receiving first-line ART for ≥6 months were included. Predictors of treatment failure and treatment modification were assessed. Results: Data from 4662 eligible patients was analysed. Patients started ART in 2003–2006 (n = 1419), 2007–2010 (n = 2690) and 2011–2013 (n = 553). During the observation period, tenofovir, zidovudine and abacavir use largely replaced stavudine. Stavudine was prescribed to 5.8% of ART starters in 2012/13. Efavirenz use increased at the expense of nevirapine, although both continue to be used extensively (47.5% and 34.5% of patients in 2012/13, respectively). Protease inhibitor use dropped after 2004. The rate of treatment failure or modification declined over time (22.1 [95%CI 20.7–23.5] events per 100 patient/years in 2003–2006, 15.8 [14.9–16.8] in 2007–2010, and 11.6 [9.4–14.2] in 2011–2013). Adjustment for ART regimen had little impact on the temporal decline in treatment failure rates but substantially attenuated the temporal decline in rates of modification due to adverse event. In the final multivariate model, treatment modification due to adverse event was significantly predicted by earlier period of ART initiation (hazard ratio 0.52 [95%CI 0.33–0.81], p = 0.004 for 2011–2013 versus 2003–2006), older age (1.56 [1.19–2.04], p = 0.001 for ≥50 years versus

Date: 2014
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Persistent link: https://EconPapers.repec.org/RePEc:plo:pone00:0106525

DOI: 10.1371/journal.pone.0106525

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