A Study of Three Different Anti-HIV Drug Combinations in HIV-Infected Patients

The safety and scientific validity of this study is the responsibility of the study sponsor and investigators. Listing a study does not mean it has been evaluated by the U.S. Federal Government. Read our disclaimer for details. Identifier: NCT00002410
Recruitment Status : Completed
First Posted : August 31, 2001
Last Update Posted : June 24, 2005
Information provided by:
NIH AIDS Clinical Trials Information Service

Brief Summary:
The purpose of this study is to compare the safety and effectiveness of three anti-HIV drug combinations. The three combinations are: (1) efavirenz (DMP 266) plus indinavir; (2) DMP 266 plus zidovudine (ZDV) plus lamivudine (3TC); and (3) indinavir plus ZDV plus 3TC. This study also examines the resistance HIV may have to these drugs and if these drugs are effective over a long period of time.

Condition or disease Intervention/treatment Phase
HIV Infections Drug: Indinavir sulfate Drug: Lamivudine Drug: Zidovudine Phase 3

Study Type : Interventional  (Clinical Trial)
Primary Purpose: Treatment
Official Title: A Phase III, Multicenter, Randomized, Open-Label Study to Compare Antiretroviral Activity and Tolerability of Three Different Combination Regimens (DMP 266 + Indinavir, DMP 266 + Zidovudine + Lamivudine, Indinavir + Zidovudine + Lamivudine) in HIV-Infected Patients

Resource links provided by the National Library of Medicine

MedlinePlus related topics: HIV/AIDS

Information from the National Library of Medicine

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Ages Eligible for Study:   13 Years to 60 Years   (Child, Adult)
Sexes Eligible for Study:   All
Accepts Healthy Volunteers:   No

Exclusion Criteria

Concurrent Medication:


  • Terfenadine, astemizole, cisapride, triazolam, or midazolam (competition for the enzyme cytochrome P-450 3A4 [CYP3A4] by indinavir could result in inhibition of metabolic breakdown of these drugs and create the potential for serious and/or life threatening events [i.e., cardiac arrhythmia, prolonged sedation]).
  • Rifampin or rifabutin (prohibited because of potential drug interaction with indinavir).
  • Ketoconazole, itraconazole, and clarithromycin.
  • Concomitant systemic therapy for acute opportunistic infection or malignancy.


Life expectancy less than 12 months.

Prior Medication:


  • Prior treatment with efavirenz, 3TC, an NNRTI, or an HIV protease inhibitor.
  • Prior antiretroviral agent within 14 days of initiating study treatment.
  • Prior treatment (within 30 days of initiating study treatment) with any other experimental drug for any indication.

Patients must:

  • Have a diagnosis of HIV infection.
  • Have CD4 counts greater than or equal to 50 cell/mm3.
  • Have a life expectancy greater than or equal to 12 months.
  • Be post-pubescent.

Information from the National Library of Medicine

To learn more about this study, you or your doctor may contact the study research staff using the contact information provided by the sponsor.

Please refer to this study by its identifier (NCT number): NCT00002410

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Sponsors and Collaborators
Dupont Merck Identifier: NCT00002410     History of Changes
Other Study ID Numbers: 281B
DMP 266-006
First Posted: August 31, 2001    Key Record Dates
Last Update Posted: June 24, 2005
Last Verified: November 1998

Keywords provided by NIH AIDS Clinical Trials Information Service:
Drug Therapy, Combination
Drug Resistance, Microbial
HIV Protease Inhibitors
Reverse Transcriptase Inhibitors

Additional relevant MeSH terms:
HIV Infections
Lentivirus Infections
Retroviridae Infections
RNA Virus Infections
Virus Diseases
Sexually Transmitted Diseases, Viral
Sexually Transmitted Diseases
Immunologic Deficiency Syndromes
Immune System Diseases
Reverse Transcriptase Inhibitors
Nucleic Acid Synthesis Inhibitors
Enzyme Inhibitors
Molecular Mechanisms of Pharmacological Action
Anti-Retroviral Agents
Antiviral Agents
Anti-Infective Agents
Anti-HIV Agents
HIV Protease Inhibitors
Protease Inhibitors