A comparison of stavudine, didanosine and indinavir with zidovudine, lamivudine and indinavir for the initial treatment of HIV-1 infected individuals: Selection of thymidine analog regimen therapy (Start II)

Joseph J. Eron, Robert L. Murphy, Dolores Peterson, John Pottage, David M. Parenti, Joseph Jemsek, Susan Swindells, Gladys Sepulveda, Nicholaos Bellos, Bruce C. Rashbaum, Jim Esinhart, Nancy Schoellkopf, Robert Grosso, Michael Stevens

Research output: Contribution to journalArticlepeer-review

84 Scopus citations

Abstract

Objective: Comparison of stavudine (d4T), didanosine (ddl) and indinavir (IDV) with zidovudine (ZDV), lamivudine (3TC) and IDV in HIV-1 infected patients. Design: Randomized, open-label. Setting: Fourteen HIV Clinical Research Centers. Patients: Two-hundred and five patients with less than 4 weeks antiretroviral treatment, naive to 3TC and protease inhibitors and with CD4 cell counts ≥ 200 x 10 6/l and plasma HIV-1 RNA levels ≥ 10 000 copies/ml. Interventions: Stavudine 40 mg and ddl 200 mg twice daily plus IDV 800 mg every 8 h compared with ZDV 200 mg every 8 h or 300 mg twice daily, 3TC 150 mg twice daily plus IDV. Main outcome measures: The proportion of patients with plasma HIV-1 RNA levels < 500 copies/ml and ≤ 50 copies/ml and changes in CD4 cell counts were compared. Results: In an analysis of the primary endpoint, 61% of patients on d4T + ddl + IDV and 45% of patients on ZDV+ 3TC + IDV had all HIV-1 RNA values obtained between weeks 40 and 48 < 500 copies/ml [95% confidence interval (Cl) for the difference between proportions, 1.7-30.3%; P = 0.038]. In an intent-to-treat analysis, the percentage of all patients randomized with all HIV-1 RNA levels < 500 copies/ml between 40 and 48 weeks were 53% for the d4T + ddl + IDV arm and 41% for the ZDV + 3TC + IDV arm (95% Cl, -1.4% to 25.7%; P = 0.068). At 48 weeks 41% and 35% were ≤ 50 copies/ml for the stavudine- and ZDV-containing arms respectively (P > 0.2). The median time-weighted average increases in CD4 cells count over 48 weeks were 150 x 10 6/l cells for the d4T arm and 106 x 10 6/l cells for the ZDV arm (P = 0.001). The occurrence of serious adverse events was not significantly different between arms. Conclusion: The combination of stavudine, ddl and IDV resulted in potent antiretroviral effects over a 48-week period, comparable or superior to zidovudine, 3TC and IDV supporting the use of stavudine, ddl and a protease inhibitor as an initial antiretroviral treatment. (C) 2000 Lippincott Williams and Wilkins.

Original languageEnglish (US)
Pages (from-to)1601-1610
Number of pages10
JournalAIDS
Volume14
Issue number11
DOIs
StatePublished - 2000

Keywords

  • Combination antiretroviral therapy
  • Didanosine
  • Indinavir
  • Randomized trial
  • Stavudine
  • Zidovudine lamivudine

ASJC Scopus subject areas

  • Immunology and Allergy
  • Immunology
  • Infectious Diseases

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