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Title: Time-varying age- and CD4-stratified rates of mortality and WHO stage 3 and stage 4 events in children, adolescents and youth 0 to 24 years living with perinatally acquired HIV, before and after antiretroviral therapy initiation in the paediatric IeDEA Global Cohort Consortium
Authors: Sophie Desmonde
Anne M. Neilan
Beverly Musick
Gabriela Patten
Kulkanya Chokephaibulkit
Andrew Edmonds
Stephany N. Duda
Karen Malateste
Kara Wools-Kaloustian
Andrea L. Ciaranello
Mary Ann Davies
Valériane Leroy
Université de Bordeaux
Vanderbilt University Medical Center
Massachusetts General Hospital
Universite Paul Sabatier Toulouse III
The University of North Carolina at Chapel Hill
Indiana University-Purdue University Indianapolis
Faculty of Medicine, Siriraj Hospital, Mahidol University
University of Cape Town
Keywords: Medicine
Issue Date: 1-Oct-2020
Citation: Journal of the International AIDS Society. Vol.23, No.10 (2020), e25617
Abstract: © 2020 The Authors. Journal of the International AIDS Society published by John Wiley & Sons Ltd on behalf of the International AIDS Society. INTRODUCTION: Evaluating outcomes of paediatric patients with HIV provides crucial data for clinicians and policymakers. We analysed mortality and clinical events rates among children, adolescents, and youth with perinatally acquired HIV (PHIV) aged 0 to 24 years stratified by time-varying age and CD4, before and after antiretroviral therapy (ART), in the paediatric IeDEA multiregional collaboration (East, West, Central and Southern Africa, Asia-Pacific, and Central/South America and the Caribbean). METHODS: ART-naïve children with HIV enrolled before age 10 (proxy for perinatal infection) at IeDEA sites between 2004 and 2016, with ≥1 CD4 measurement during follow-up were included. We estimated incidence rates (IR) and 95% confidence intervals (95% CI) of mortality and first occurrence of WHO-4 and WHO-3 events, excluding tuberculosis, during person-years (PY) spent within different age (<2, 2 to 4, 5 to 9, 10 to 14, 15 to 19, 20 to 24) and CD4 (percent when <5 years [<15%, 15% to 24%, ≥25%]; count when ≥5 years [<200, 200 to 499, ≥500 cells/µL]) strata. We used linear mixed models to predict CD4 evolution, with trends modelled by region. RESULTS: In the pre-ART period, 49 137 participants contributed 51 966 PY of follow-up (median enrolment age: 3.9 years). The overall pre-ART IRs were 2.8/100 PY (95% CI: 2.7 to 2.9) for mortality, 3.3/100 PY (95% CI: 3.0 to 3.5) for first occurrence of a WHO-4 event, and 7.0/100 PY (95% CI: 6.7 to 7.4) for first occurrence of a WHO-3 event. Lower CD4 and younger age strata were associated with increased rates of both mortality and first occurrence of a clinical event. In the post-ART period, 52 147 PHIVY contributed 207 945 PY (ART initiation median age: 4.5 years). Overall mortality IR was 1.4/100 PY (95% CI: 1.4 to 1.5) and higher in low CD4 strata; patients at each end of the age spectrum (<2 and >19) had increased mortality post-ART. IRs for first occurrence of WHO-4 and WHO-3 events were 1.3/100 PY (95% CI: 1.2 to 1.4) and 2.1/100 PY (95% CI: 2.0 to 2.2) respectively. These were also associated with lower CD4 and younger age strata. CONCLUSIONS: Mortality and incidence of clinical events were highest in both younger (<2 years) and older (>19 years) youth with PHIV. Scaling-up services for <2 years (early access to HIV diagnosis and care) and >19 years (adolescent- and youth-focused health services) is critical to improve outcomes among PHIVY.
ISSN: 17582652
Appears in Collections:Scopus 2020

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