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- Title
Lack of long-term effects of in utero exposure to zidovudine among uninfected children born to HIV-infected women. Pediatric AIDS Clinical Trials Group Protocol 219/076 Teams.
- Authors
Culnane M; Fowler M; Lee SS; McSherry G; Brady M; O'Donnell K; Mofenson L; Gortmaker SL; Shapiro DE; Scott G; Jimenez E; Moore EC; Diaz C; Flynn PM; Cunningham B; Oleske J; Culnane, M; Fowler, M; Lee, S S; McSherry, G
- Abstract
<bold>Context: </bold>With the success of zidovudine chemoprophylaxis for prevention of perinatal transmission of the human immunodeficiency virus (HIV), an increasing number of HIV-exposed but uninfected children will have in utero exposure to zidovudine and other antiretroviral drugs.<bold>Objective: </bold>To evaluate the long-term effects of in utero exposure to zidovudine vs placebo among a randomized cohort of uninfected children.<bold>Design: </bold>Prospective cohort study based on data collected during Pediatric AIDS Clinical Trials Group Protocol 076, a perinatal zidovudine HIV prevention trial, and Protocol 219, a long-term observational protocol.<bold>Setting: </bold>Pediatric research clinics in the United States.<bold>Patients: </bold>Two hundred thirty-four uninfected children born to 230 HIV-infected women enrolled in Protocol 076 and followed up through February 28, 1997, in Protocol 219 (122 in the zidovudine group and 112 in the placebo group).<bold>Main Outcome Measures: </bold>Physical growth measurements, immunologic parameters, cognitive/developmental function, occurrence of neoplasms, and mortality data assessed every 6 months for children younger than 24 months and yearly thereafter or as clinically indicated. Baseline echocardiogram and funduscopic evaluations were collected before 36 months of age.<bold>Results: </bold>Median age of children at time of last follow-up visit was 4.2 years (range, 3.2-5.6 years). There were no significant differences between children exposed to zidovudine and those who received placebo in terms of sequential data on lymphocyte subsets; weight, height, and head circumference z scores; and cognitive/developmental function. No deaths or malignancies occurred. Two children (both exposed to zidovudine) are being followed up for abnormal, unexplained ophthalmic findings. One child exposed to zidovudine had a mild cardiomyopathy on echocardiogram at the age of 48 months; the child is clinically asymptomatic.<bold>Conclusions: </bold>No adverse effects were observed in HIV-uninfected children with in utero and neonatal exposure to zidovudine followed up for as long as 5.6 years. Continued prospective evaluations of children born to HIV-infected women who are exposed to antiretroviral or immunotherapeutic agents are critical to assess the long-term safety of interventions that prevent perinatal HIV transmission.
- Publication
JAMA: Journal of the American Medical Association, 1999, Vol 281, Issue 2, p151
- ISSN
0098-7484
- Publication type
journal article
- DOI
10.1001/jama.281.2.151