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  • Title: In-utero exposure to antiretrovirals and neurodevelopment among HIV-exposed-uninfected children in Botswana.
    Author: Chaudhury S, Mayondi GK, Williams PL, Leidner J, Shapiro R, Diseko M, Ajibola G, Holding P, Tepper V, Makhema J, Petlo C, Seage GR, Lockman S, Kammerer B.
    Journal: AIDS; 2018 Jun 01; 32(9):1173-1183. PubMed ID: 29547434.
    Abstract:
    OBJECTIVE: Conflicting data exist regarding the impact of in-utero exposure to maternal combination antiretrovirals. We compared neurodevelopmental outcomes between HIV-exposed-uninfected (HEU) children exposed in utero to three-drug combination antiretroviral therapy (ART) vs. zidovudine (ZDV) monotherapy. DESIGN: Prospective study of child neurodevelopment, nested within two cohorts of HIV-infected mothers and their children in Botswana (one observational, one interventional). METHODS: The Tshipidi and Mma Bana studies enrolled HIV-infected women during pregnancy and followed their HEU children for 24 months. Mothers took three-drug ART or ZDV during pregnancy. ART-exposed babies were mostly breastfed, and ZDV-exposed were formula-fed. Neurodevelopmental outcomes, measured at 24 months using Bayley Scales of Infant and Toddler Development Third Edition (Bayley-III) and Development Milestones Checklist (DMC), were compared in adjusted linear regression according to antiretroviral exposure. RESULTS: Of 598 HEU children with valid neurodevelopment assessments, 382 were ART-exposed and 210 were ZDV-exposed. Adjusted mean Bayley-III scores were similar among ART-exposed vs. ZDV-exposed, with adjusted mean differences (95% confidence interval): Bayley-III Cognitive: -0.3 (-1.4, 0.9); Gross Motor: 0.8 (-0.1, 1.7); Fine Motor: 0.5 (-0.2, 1.3); Expressive Language: 0.7 (-0.3, 1.7); Receptive Language: 0.1 (-0.7, 0.8); and DMC Locomotor: 0.0 (-0.5, 0.6); Fine Motor: 0.3 (-0.3, 0.8); Language: -0.1 (-0.5, 0.4); Personal-Social: 0.2 (-0.7, 1.1). Similarly, when restricted to formula-fed children in one cohort (Tshipidi), there were no differences in adjusted mean scores. CONCLUSION: Neurodevelopmental outcomes at 24 months of age were similar in ART-exposed vs. ZDV-exposed HEU children. Maternal ART with breastfeeding does not appear to have an adverse effect on neurodevelopment.
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