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Sponsored by: |
National Institute of Allergy and Infectious Diseases (NIAID) |
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Information provided by: | National Institute of Allergy and Infectious Diseases (NIAID) |
ClinicalTrials.gov Identifier: | NCT00000838 |
To evaluate the efficacy, safety, and pharmacokinetics of lamivudine (3TC) combined with zidovudine (AZT), stavudine (d4T), or didanosine (ddI) in comparison with d4T or ddI monotherapy in HIV-infected patients with no prior nucleoside therapy.
3TC may be uniquely effective in combination with AZT due to the interaction of AZT and 3TC resistance mutations. One explanation is that the M184V mutation, which confers resistance to 3TC, suppresses AZT resistance. This benefit of 3TC may not extend to combination therapy with other nucleoside analogs.
Condition | Intervention | Phase |
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HIV Infections |
Drug: Lamivudine Drug: Stavudine Drug: Zidovudine Drug: Didanosine |
Phase II |
Study Type: | Interventional |
Study Design: | Treatment |
Official Title: | A Phase II, Randomized Study of the Antiviral Activity and Resistance Interactions of Lamivudine (3TC) in Combination With Zidovudine (AZT), Stavudine (d4T), or Didanosine (ddI) Versus Monotherapy With ddI or d4T in HIV-Infected Individuals With 200 - 600 CD4+ Cells/mm3 and No Previous Nucleoside Experience |
Estimated Enrollment: | 256 |
3TC may be uniquely effective in combination with AZT due to the interaction of AZT and 3TC resistance mutations. One explanation is that the M184V mutation, which confers resistance to 3TC, suppresses AZT resistance. This benefit of 3TC may not extend to combination therapy with other nucleoside analogs.
Patients are randomized to either a ddI limb or d4T limb, then randomized a second time to one of six treatment arms, as follows: ddI alone, d4T alone, 3TC/AZT (on both ddI and d4T limbs), 3TC/ddI, and 3TC/d4T. Treatment is given for 48 weeks. At study week 24, patients on monotherapy will have 3TC added to their regimen (in a blinded fashion).
PER AMENDMENT 10/18/96: A treatment extension phase has been added to the study design in order to allow subjects who complete 48 weeks of therapy to remain on their same blinded treatment until approximately 2 months after the last enrolled subject completes 48 weeks on the study.
Ages Eligible for Study: | 12 Years and older |
Genders Eligible for Study: | Both |
Accepts Healthy Volunteers: | No |
Inclusion Criteria
Concurrent Medication:
Allowed:
Patients must have:
Exclusion Criteria
Co-existing Condition:
Patients with the following symptoms or conditions are excluded:
PER AMENDMENT 1/25/96:
Concurrent Medication:
Excluded:
Patients with the following prior conditions are excluded:
Prior Medication:
Excluded:
Study Chair: | Kuritzkes D | |
Study Chair: | Johnson V |
Study ID Numbers: | ACTG 306 |
Study First Received: | November 2, 1999 |
Last Updated: | August 22, 2008 |
ClinicalTrials.gov Identifier: | NCT00000838 |
Health Authority: | United States: Federal Government |
Didanosine Drug Therapy, Combination Acquired Immunodeficiency Syndrome AIDS-Related Complex |
Antiviral Agents Zidovudine Stavudine Lamivudine |
Virus Diseases Sexually Transmitted Diseases, Viral Stavudine Didanosine HIV Infections Sexually Transmitted Diseases |
Acquired Immunodeficiency Syndrome Lamivudine Zidovudine AIDS-Related Complex Retroviridae Infections Immunologic Deficiency Syndromes |
Antimetabolites Anti-Infective Agents RNA Virus Infections Anti-HIV Agents Slow Virus Diseases Immune System Diseases Molecular Mechanisms of Pharmacological Action Enzyme Inhibitors |
Infection Antiviral Agents Pharmacologic Actions Reverse Transcriptase Inhibitors Anti-Retroviral Agents Therapeutic Uses Lentivirus Infections Nucleic Acid Synthesis Inhibitors |