A Study to Compare the Safety and Effectiveness of Two Dosing Schedules of Lamivudine in Combination With Two Other Anti-HIV Drugs

A Phase II, Open-Label, Randomized Study of the Efficacy and Safety of Epivir 150 Mg BID Versus Epivir 300 Mg Once-Daily When Administered for 24 Weeks in Combination With FDA-Approved Dosage Regimens of Zerit and Either Crixivan or Viracept in Subjects With HIV-1 Infection

Status

Completed

Phases

Phase 2

Study type

Interventional

Source

ClinicalTrials.gov

Registry ID

NCT00002442

Enrollment

Unknown

Registered

2001-08-31

Start date

1999-06-30

Completion date

Unknown

Last updated

2005-06-24

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

HIV Infections

Keywords

Drug Therapy, Combination, Zidovudine, Drug Administration Schedule, Stavudine, HIV Protease Inhibitors, Lamivudine, Indinavir, Dosage Forms, Nelfinavir, Reverse Transcriptase Inhibitors, Anti-HIV Agents

Brief summary

The purpose of this study is to compare the safety and effectiveness of 2 dosing schedules (once daily vs twice daily) of lamivudine (3TC) given with stavudine (d4T) and either indinavir (IDV) or nelfinavir (NFV) for 24 weeks.

Detailed description

Patients are randomized to 1 of 2 groups. Group 1 receives 3TC qd plus d4T plus either IDV or NFV. Group 2 receives 3TC bid plus d4T plus either IDV or NFV. Patients are evaluated for drug tolerance, medication adherence, and genotypic and phenotypic resistance.

Interventions

DRUGIndinavir sulfate

DRUGNelfinavir mesylate

DRUGLamivudine

DRUGStavudine

Study design

Primary purpose

TREATMENT

Masking

NONE

Eligibility

Sex/Gender

ALL

Age

18 Years to No maximum

Healthy volunteers

Inclusion criteria

Patients may be eligible for this study if they: * Are HIV-positive. * Are at least 18 years old. * Have had an HIV level below 400 copies/ml for at least 3 months prior to study entry. * Have a CD4 cell count of at least 50 cells/mm3. * Are currently taking an anti-HIV drug regimen that includes 3TC plus d4T plus either IDV or NFV for at least 6 months prior to study entry. (Note: This must be their first anti-HIV drug regimen.) * Agree to abstain from sex or use effective methods of birth control during the study.

Exclusion criteria

Patients will not be eligible for this study if they: * Have a history of an AIDS-defining illness or certain other medical conditions. * Are allergic to any of the study drugs. * Are unable to take medication by mouth for any reason. * Have received certain medications. * Will need to receive radiation therapy or chemotherapy (for any cancer other than Kaposi's sarcoma) during the study. * Are pregnant or breast-feeding.

Countries

United States

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026