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Journal Article > Research

HIV-infected adolescents in Southern Africa can achieve good treatment outcomes: results from a retrospective cohort study

Shroufi A, Gunguwo H, Dixon M, Nyathi M, Ndebele W, Saint-Sauveur JF, Taziwa F, Ferreyra C, Vinoles MC, Ferrand RA
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Abstract
OBJECTIVES
In this study we examine whether adolescents treated for HIV/AIDS in southern Africa can achieve similar treatment outcomes to adults.

DESIGN
We have used a retrospective cohort study design to compare outcomes for adolescents and adults commencing antiretroviral therapy (ART) between 2004 and 2010 in a public sector hospital clinic in Bulawayo, Zimbabwe.

METHODS
Cox proportional hazards modelling was used to investigate risk factors for death and loss to follow-up (LTFU) (defined as missing a scheduled appointment by ≥3months).

RESULTS
One thousand, seven hundred and seventy-six adolescents commenced ART, 94% having had no previous history of ART. The median age at ART initiation was 13.3 years. HIV diagnosis in 97% of adolescents occurred after presentation with clinical disease and a higher proportion had advanced HIV disease at presentation compared with adults [WHO Stage 3/4 disease (79.3 versus 65.2%, P < 0.001)]. Despite this, adolescents had no worse mortality than adults, assuming 50% mortality among those LTFU (6.4 versus 7.3 per 100 person-years, P = 0.75) with rates of loss to follow-up significantly lower than in adults (4.8 versus 9.2 per 100 person-years, P < 0.001). Among those who were followed for 5 years or more, 5.8% of adolescents switched to a second-line regimen as a result of treatment failure, compared with 2.1% of adults (P < 0.001).

CONCLUSION
With adolescent-focused services, it is feasible to achieve good outcomes for adolescents in large-scale ART programs in sub-Saharan Africa. However, adolescents are at high risk of treatment failure, which compromises future drug options. Interventions to address poor adherence in adolescence should be prioritized.
Countries
Zimbabwe
Subject Area
pediatricsHIV/AIDSadolescent health
DOI
10.1097/QAD.0b013e32836149ea
Published Date
21-Mar-2013
PubMed ID
23525033
Languages
English
Journal
AIDS
Volume / Issue / Pages
Volume 27, Issue 12, Pages 1971-1978
Issue Date
31-Jul-2013
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