Observational cohort study finds pretreatment drug resistance increases attrition and virologic failure, suggesting routine testing is crucial.
Our study reveals a moderate prevalence of PDR in Southwest China, significantly associated with increased risk of attrition and virologic failure, particularly amongst patients with resistance to efavirenz/nevirapine. Our findings strongly advocate for routine PDR testing prior to ART initiation to guide optimal first-line treatment strategies.
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Qin et al. (2026) studied this question.
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