• Chinese medical journal · Jan 2014

    Multicenter Study

    An antiretroviral regimen containing 6 months of stavudine followed by long-term zidovudine for first-line HIV therapy is optimal in resource-limited settings: a prospective, multicenter study in China.

    • Taisheng Li, Fuping Guo, Yijia Li, Chengda Zhang, Yang Han, Wei Lye, Yun He, Hongzhou Lu, Jing Xie, Aiqiong Huang, Yanling Li, Xiaoping Tang, Hui Wang, Tong Zhang, Guiju Gao, Junkang Lei, Xiaoying Zhang, Xinhua Wu, Yongtao Sun, Jinsong Bai, Ling Luo, and Huanling Wang.
    • Department of Infectious Diseases, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences, Beijing 100730, China. Email: litsh@263.net.
    • Chin. Med. J. 2014 Jan 1; 127 (1): 59-65.

    BackgroundAn zidovudine (AZT)-substitution regimen containing 24-week stavudine (d4T) followed by long-term AZT for HIV therapy is potential to trade off short-term AZT-related anemia and long-term risks associated with d4T in resource-limited settings. However, evidence is scarce. This study aims to assess the efficacy and safety of AZT-substitution regimen, aiming to find a regimen with better efficacy, less adverse events, and more affordability in resource-limited settings.MethodsThis prospective, multicenter study enrolled 499 (190 on d4T regimen, 172 on AZT regimen, and 137 on AZT-substitution regimen) HIV-1-infected subjects who initiated combined antiretroviral therapy and attended follow-up visits over 96 weeks from 2009 to 2011. Lamivudine (3TC) and either nevirapine (NVP) or efavirenz (EFV) were the other two drugs in the antiretroviral regimens. Virologic and immunologic responses and adverse events were monitored at baseline and at weeks 4, 12, 24, 36, 48, 60, 72, 84, and 96.ResultsIn terms of hematological adverse effects, AZT-substitution group had similar safety profiles to d4T group and was superior to AZT group. In comparison with AZT-substitution group, AZT group was associated with higher risk of developing anemia (adjusted hazard ratio (aHR) for anemia ≥ grade II, 8.44, 95% CI 1.81-39.46) and neutropenia (aHR for neutropenia ≥ grade II, 1.86, 95% CI 1.19-2.93). The prevalence of lipodystrophy in d4T group was 19.5%, while that in AZT-substitution group was zero. As to antiretroviral efficacy, these three groups showed no differences.ConclusionAZT-substitution regimen provides a relatively safe and effective first-line antiretroviral strategy in resource-limited settings.

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