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Please use this identifier to cite or link to this item: http://repository.li.mahidol.ac.th/dspace/handle/123456789/26157
Title: A trial of shortened zidovudine regimens to prevent mother-to-child transmission of human immunodeficiency virus type 1
Authors: Marc Lallemant
Gonzague Jourdain
Sophie Le Coeur
Kim Soyeon
Sporn Koetsawang
Anne Marie Comeau
Wiput Phoolcharoen
Max Essex
Kenneth McIntosh
Vicharn Vithayasai
IRD Institut de Recherche pour le Developpement
Harvard School of Public Health
INED Institut National d' Etudes Demographiques
Mahidol University
University of Massachusetts Medical School
Thailand Ministry of Public Health
Children's Hospital Boston
Chiang Mai University
PHPT
Keywords: Medicine
Issue Date: 5-Oct-2000
Citation: New England Journal of Medicine. Vol.343, No.14 (2000), 982-991
Abstract: Background: The optimal duration of zidovudine administration to prevent perinatal transmission of human immunodeficiency virus type 1 (HIV-1) should be determined to facilitate its use in areas where resources are limited. Methods: We conducted a randomized, double-blind equivalence trial of four regimens of zidovudine starting in the mother at 28 weeks' gestation, with 6 weeks of treatment in the infant (the long-long regimen), which is similar to protocol 076; zidovudine starting at 35 weeks' gestation, with 3 days of treatment in the infant (the short-short regimen); a long-short regimen; and a short-long regimen. The mothers received zidovudine orally during labor. The infants were fed formula and were tested for HIV DNA at 1, 45, 120, and 180 days. After the first interim analysis, the short-short regimen was stopped. Results: A total of 1437 women were enrolled. At the first interim analysis, the rates of HIV transmission were 4.1 percent for the long-long regimen and 10.5 percent for the short-short regimen (P=0.004); at this point the short-short regimen was stopped. For the entire study period, the transmission rates were 6.5 percent (95 percent confidence interval, 4.1 to 8.9 percent) for the long-long regimen, 4.7 percent (95 percent confidence interval, 2.4 to 7.0 percent) for the long-short regimen, and 8.6 percent (95 percent confidence interval, 5.6 to 11.6 percent) for the short-long regimen. The rate of in utero transmission was significantly higher with the two regimens with shorter maternal treatment (5.1 percent) than with the two with longer maternal treatment (1.6 percent). Conclusions: The short-short zidovudine regimen is inferior to the long-long regimen and leads to a higher rate of perinatal HIV transmission. The long-short, short-long, and long-long regimens had equivalent efficacy. However, the higher rate of in utero transmission with the short-long regimen suggests that longer treatment of the infant cannot substitute for longer treatment of the mother. (C) 2000, Massachusetts Medical Society.
URI: https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=0034610026&origin=inward
http://repository.li.mahidol.ac.th/dspace/handle/123456789/26157
ISSN: 00284793
Appears in Collections:Scopus 1991-2000

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