Completed

MK-639 Antiviral Safety and Efficacy in HIV-1 Seropositive Patients with Low CD4 Counts

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What is being tested

Indinavir sulfate

+ Lamivudine

+ Zidovudine

Drug
Who is being recruted

Blood-Borne Infections+13

+ Urogenital Diseases

+ Genital Diseases

Over 18 Years
See all eligibility criteria
How is the trial designed

Treatment Study

Interventional
See protocol details

Summary

Principal SponsorMerck Sharp & Dohme LLC
Last updated: June 24, 2005
Sourced from a government-validated database.Claim as a partner

AZT-experienced patients are randomized to receive MK-639/AZT/3TC or MK-639 alone or AZT/3TC. Additionally, patients who have received < 6 months of AZT or who are intolerant but received prior 3TC or who require concomitant rifampin therapy may receive open-label MK-639.

Principal SponsorMerck Sharp &amp; Dohme LLC
Last updated: June 24, 2005
Sourced from a government-validated database.Claim as a partner

Protocol

This section provides details of the study plan, including how the study is designed and what the study is measuring.
Design Details

600 patients to be enrolled

Total number of participants that the clinical trial aims to recruit.

Treatment Study

These studies test new ways to treat a disease, condition, or health issue. The goal is to see if a new drug, therapy, or approach works better or has fewer side effects than existing options.

Eligibility

Researchers look for people who fit a certain description, called eligibility criteria: person's general health condition or prior treatments.
Conditions
Criteria

Any sex

Biological sex of participants that are eligible to enroll.

Over 18 Years

Range of ages for which participants are eligible to join.

Healthy volunteers not allowed

If individuals who are healthy and do not have the condition being studied can participate.

Conditions

Pathology

Blood-Borne InfectionsUrogenital DiseasesGenital DiseasesCommunicable DiseasesImmunologic Deficiency SyndromesImmune System DiseasesInfectionsRetroviridae InfectionsRNA Virus InfectionsSexually Transmitted DiseasesSlow Virus DiseasesVirus DiseasesSexually Transmitted Diseases, ViralLentivirus InfectionsAcquired Immunodeficiency SyndromeHIV Infections

Criteria

Inclusion Criteria Concurrent Medication: Allowed for all patients: Standard prophylaxis for opportunistic infections. Continuation of treatment for opportunistic infection. Allowed for open-label study patients: Rifampin. Patients must have: HIV positivity. CD4 count <= 50 cells/mm3. More than 6 months of prior AZT (blinded study only). NOTE: Patients on the open-label study must have AZT intolerance or have < 6 months of prior AZT. Prior Medication: Required for blinded study patients: > 6 months of prior AZT. Required for open-label study patients: < 6 months of prior AZT. Allowed for open-label study patients: Prior 3TC. Exclusion Criteria Concurrent Medication: Excluded in all patients: Immunosuppressants. Excluded in blinded study patients: AZT, ddI, ddC, or d4T. Rifampin. Excluded in open-label study patients: 3TC. Prior Medication: Excluded in all patients: Prior protease inhibitors. Investigational agents and immunomodulators within 30 days prior to study entry. Immunosuppressants within 2 weeks prior to study entry. Excluded in blinded study patients: Any prior 3TC. AZT, ddI, ddC, or d4T within 2 weeks prior to study entry. Excluded in open-label study patients: 3TC within 30 days prior to study entry.

Study Centers

These are the hospitals, clinics, or research facilities where the trial is being conducted. You can find the location closest to you and its status.

This study has 1 location

Merck &amp; Co Inc

Whitehouse Station, United StatesOpen Merck &amp; Co Inc in Google Maps
CompletedOne Study Center