Objectives
As per National AIDS Control Organization (NACO) estimates, there are 2.1 million people living with HIV (PWH) in India, of whom 1.2 million are on first‐line antiretroviral therapy (ART). This study explored the use of a single‐tablet regimen containing tenofovir disoproxil fumarate 300 mg + lamivudine 300 mg + efavirenz 400 mg (TLE400 STR) as a first‐line switch strategy in PWH in Pune, India.
Methods
This retrospective cohort study was conducted in private sector ART clinics in three tertiary‐level hospitals in Pune, India. PWH > 12 years of age (n = 502) who initiated first‐line ART (predominantly TLE600 STR), completed ≥ 6 months of follow‐up and achieved virological suppression [plasma viral load (VL) < 1000 HIV‐1 RNA copies/mL] were identified and switched to TLE400 STR. The virological and immunological efficacy of TLE400 STR at 6 and 12 months of follow‐up were noted. Grade 3/4 adverse events (especially efavirenz‐related neuropsychiatric adverse events) leading to regimen discontinuation were also noted.
Results
Of 502 PWH who switched to TLE400 STR, complete virological suppression (VL < 20 copies/mL) was maintained in more than 97% of patients at follow‐up. TLE400 STR was successful in maintaining CD4 counts within the range observed at the start of the regimen. Grade 3/4 adverse events leading to TLE400 STR discontinuation were seen in 11 (2.2%) patients. Virological failure (VL > 1000 copies/mL) and treatment regimen failure were seen in six (1.2%) and 49 (9.8%) subjects, respectively.
Conclusions
TLE400 STR exhibits excellent efficacy and safety as a switch strategy and should be introduced in the Indian National ART Program, especially for PWH who are virologically suppressed on TLE600 STR.
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