Maternal health concerns are an important but understudied aspect of programs designed to prevent mother-to-child HIV-1 transmission (MTCT) in the developing world. Two of the most important and urgent questions regarding maternal health in this context are 1) whether breastfeeding by HIV-infected women is associated with excess maternal morbidity and mortality, and 2) the response to nevirapine (NVP)-containing combination antiretroviral therapy (ART) among women who have previously taken single-dose NVP for the prevention of MTCT, given the frequent emergence of drug resistant HIV-1 after single-dose NVP. HIV-infected mothers are currently being enrolled in a NICHD-funded randomized clinical trial in Botswana that is studying strategies for MTCT prevention. Women are randomized to either perinatal prophylaxis with short course zidovudine + single-dose NVP or to zidovudine alone, and to either breastfeed while giving their infant prophylactic zidovudine or to formula-feed. Women with AIDS in this study will be offered the Government ART program first-line NVP-containing ART regimen. The primary objectives of this proposal are: 1.To examine the association between randomized infant feeding strategy (breast- versus formula feeding) and time to maternal AIDS or death, and 2. To assess the proportion of women with virologic response (plasma HIV-1 RNA < 400 copies / mL) at 52 weeks after initiating NVP-containing ART among women who previously received single-dose NVP versus placebo during labor. Secondary objectives include elucidation of the etiology of possible excess maternal morbidity and mortality associated with breastfeeding by HIV-infected mothers, including micronutrient deficiency; the emergence of genotypic resistance and virologic failure in women who previously received single-dose NVP versus placebo during labor; and the tolerability and safety of and adherence to ART among pregnant and postpartum women in Botswana. This already-existing cohort with access to ART provides a unique opportunity to answer questions that have significant public health implications with a relatively small investment of additional resources.

Agency
National Institute of Health (NIH)
Institute
Eunice Kennedy Shriver National Institute of Child Health & Human Development (NICHD)
Type
Research Project (R01)
Project #
5R01HD044391-02
Application #
6798790
Study Section
AIDS and Related Research 8 (AARR)
Program Officer
Watts, Heather
Project Start
2003-09-05
Project End
2008-08-31
Budget Start
2004-09-01
Budget End
2005-08-31
Support Year
2
Fiscal Year
2004
Total Cost
$255,150
Indirect Cost
Name
Harvard University
Department
Microbiology/Immun/Virology
Type
Schools of Public Health
DUNS #
149617367
City
Boston
State
MA
Country
United States
Zip Code
02115
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