A randomized, controlled, double-blind study comparing the survival benefit of four different reverse transcriptase inhibitor therapies (three-drug, two-drug, and alternating drug) for the treatment of advanced AIDS

Keith Henry*, Alejo Erice, Camlin Tierney, Henry H. Balfour, Margaret A. Fischl, Anne Kmack, Song Heng Liou, Antoinette Kenton, Martin S. Hirsch, John Phair, Ana Martinez, James O. Kahn

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

63 Scopus citations

Abstract

Objective: The primary objective was to compare the effects of dual or triple combinations of HIV-1 reverse transcriptase inhibitors with respect to survival. The time to new HIV disease progression or death, toxicities, the change in CD4 cells, and plasma HIV-1 RNA concentrations in a subset of study subjects were evaluated. Design: This was a multicenter randomized, double-blind, placebo-controlled study. Setting: The study was conducted among 42 adult AIDS Clinical Trials Group sites and 7 National Hemophilia Foundation centers. Patients: 1313 HIV-infected patients with CD4 counts ≤ 50 cells/mm3 participated in this study, which was conducted from June 1993 to June 1996. Intervention: Patients were randomized to one of four daily regimens containing 600 mg of zidovudine: zidovudine alternating monthly with 400 mg didanosine; zi-dovudine plus 2.25 mg of zalcitabine; zidovudine plus 400 mg of didanosine; or zidovudine plus 400 mg of didanosine plus 400 mg of nevirapine (triple therapy). Main Outcome Measures: The main outcome was survival (i.e., time to death). Results: A significant difference in survival time was found between the four treatment groups, favoring those assigned to triple therapy (p = .02). A significant difference was also found in the delay of disease progression or death among the four treatment arms favoring the group assigned to triple therapy (p = .002). Baseline CD4 cell counts and plasma HIV-1 RNA concentrations as well as changes of CD4 counts at week 8 predicted survival for subjects in the virology substudy. Conclusions: In the pre-protease inhibitor era, a combination of triple reverse transcriptase inhibitors prolonged life and delayed disease progression in AIDS patients with advanced immune suppression.

Original languageEnglish (US)
Pages (from-to)339-349
Number of pages11
JournalJournal of Acquired Immune Deficiency Syndromes and Human Retrovirology
Volume19
Issue number4
DOIs
StatePublished - Dec 1 1998

Keywords

  • AIDS
  • Antiretroviral therapy
  • CD4 lymphocyte count
  • Didanosine
  • HIV-1 RNA
  • Nevirapine
  • Reverse transcriptase inhibitors
  • Survival
  • Zalcitabine
  • Zidovudine

ASJC Scopus subject areas

  • Immunology and Allergy
  • Immunology
  • Virology

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