Prevalence of transmitted HIV-1 drug resistance among young adults attending HIV counselling and testing clinics in Kigali, Rwanda.

Abstract:

BACKGROUND:Scaling-up antiretroviral therapy (ART) in resource-limited settings has raised concerns of emerging HIV drug resistance (DR) and its transmission to newly infected individuals. To assess the prevalence of transmitted drug resistance (TDR) in recently HIV-infected individuals, a WHO TDR threshold survey was conducted among young adults in Kigali, Rwanda. METHODS:Between May and July 2011, HIV subtype and genotyping were performed on dried blood spots (DBS) prepared from blood specimens collected from newly HIV-diagnosed and ART-naive individuals aged 15 to 21 years in eight HIV voluntary counselling and testing (VCT) sites in Kigali. RESULTS:In total, 57 of the 68 DBS collected from eligible participants were successfully amplified. The median age of participants was 20 years and 86% were female. Most participants (96%) were infected with subtype A1 virus. Two participants (4%) had the K103N non-nucleoside reverse transcriptase inhibitor (NNRTI) mutation and one (2%) had the M46L protease inhibitor (PI) mutation. The TDR prevalence was 3.5% (95% CI 0.4, 12.1) for NNRTI and 1.8% (95% CI 0.0, 9.4) for PI. CONCLUSIONS:The prevalence of HIV TDR in VCT attendees in Kigali was characterized as low (<5%) for all drug classes according to the WHO HIV DR threshold survey methodology. Despite a decade of widespread ART in Rwanda, TDR prevalence remains low, and so the current first-line ART regimens should continue to be effective. However, as scale-up of ART continues, frequent HIV DR surveillance is needed to monitor the effectiveness of available ART regimens at the population level.

journal_name

Antivir Ther

journal_title

Antiviral therapy

authors

Mutagoma M,Ndahimana Jd,Kayirangwa E,Dahourou AG,Balisanga H,DeVos JR,McAlister D,Yang C,Bertagnolio S,Riedel DJ,Nsanzimana S

doi

10.3851/IMP2999

subject

Has Abstract

pub_date

2016-01-01 00:00:00

pages

247-51

issue

3

eissn

1359-6535

issn

2040-2058

journal_volume

21

pub_type

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