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Use of Antiretroviral Drugs to Prevent HIV-1 Transmission Through Breast-feeding: From Animal Studies to Randomized Clinical Trials

Gaillard, Philippe PhD*; Fowler, Mary-Glenn MD; Dabis, Francois PhD; Coovadia, Hoosen MD§; van der Horst, Charles MD; van Rompay, Koen DVM, PhD**; Ruff, Andrea MD††; Taha, Taha PhD††; Thomas, Tim MD‡‡; de Vincenzi, Isabelle PhD*; Newell, Marie-Louise PhD§§Ghent IAS Working Group on HIV in Women and Children

JAIDS Journal of Acquired Immune Deficiency Syndromes: February 1st, 2004 - Volume 35 - Issue 2 - p 178-187
Epidemiology and Social Science

The major remaining challenge in the prevention of mother-to-child transmission is the reduction of the risk in settings where breast-feeding is common. This review gives an update on ongoing or planned antiretroviral intervention studies in resource-limited settings that are aimed at reducing the risk of mother-to-infant HIV transmission during lactation. These strategies include antiretroviral therapy given to the mother to reduce viral load in plasma and breast milk as well as antiretroviral regimens providing prophylaxis to uninfected infants during the period of breast-feeding. The rationale for the interventions based on animal models and human studies is described as well as the study designs of clinical trials. Potential risks and benefits of these interventions to mothers and infants are also highlighted. Laboratory studies nested within several of these trials will provide a better understanding of the pathogenesis of postnatal HIV transmission and its potential prevention using antiretroviral drugs.

From *World Health Organization, Reproductive Health and Research, Geneva, Switzerland; †Centers for Disease Control, Atlanta, GA; ‡INSERM U 330, Universite Victor Segalen Bordeaux 2, Bordeaux, France; §Centre for HIV/AIDS Networking, Nelson Mandela School of Medicine, University of Natal, Durban, South Africa; ¶University of North Carolina at Chapel Hill; **California National Primate Research Center, University of California, Davis; ††Johns Hopkins Bloomberg School of Public Health, Baltimore, MD; ‡‡ Centers for Disease Control/Kenya Medical Research Institute, Kisumu; §§Institute of Child Health, University College London, UK.

Received for publication June 5, 2003; accepted October 31, 2003.

Correspondence: Marie-Louise Newell, Centre for Paediatric Epidemiology and Biostatistics, Institute of Child Health, University College London, UK (e-mail: m.newell@ich.ucl.ac.uk).

© 2004 Lippincott Williams & Wilkins, Inc.