A Study of L-735,524 in HIV-Positive Children and Adolescents

This study has been completed.
Information provided by:
NIH AIDS Clinical Trials Information Service
ClinicalTrials.gov Identifier:
First received: November 2, 1999
Last updated: June 23, 2005
Last verified: October 1995
To evaluate the safety, tolerability, and plasma concentration profiles of indinavir sulfate ( MK-639; Crixivan ) in HIV-seropositive older children and adolescents. To compare the plasma concentration profile after the initial dose with data from a historical group of adults. To obtain preliminary data on antiviral activity of MK-639.

Condition Intervention Phase
HIV Infections
Drug: Indinavir sulfate
Phase 1

Study Type: Interventional
Study Design: Endpoint Classification: Pharmacokinetics Study
Primary Purpose: Treatment
Official Title: An Open-Labeled, Multiple Dose, Multicenter Study to Investigate the Safety, Tolerability, and Plasma Concentration Profile of L-735,524 Capsules in HIV-Seropositive Older Children and Adolescent Patients

Resource links provided by NLM:

Further study details as provided by NIH AIDS Clinical Trials Information Service:

Estimated Enrollment: 12
Detailed Description:
Patients receive MK-639 for 14 and one-third days. Repeat plasma samples are collected up to 8 hours following the first and last dose. Urine samples are collected on days 1 and 5.

Ages Eligible for Study:   10 Years to 18 Years
Genders Eligible for Study:   Both
Accepts Healthy Volunteers:   No

Inclusion Criteria

Patients must have:

  • HIV positivity.
  • No active opportunistic infection within the past 30 days, other than superficial candidiasis of the oral cavity or vagina.
  • Body surface area at least 1.0 sqm.
  • Consent of parent or guardian.

Prior Medication:


  • Aerosolized pentamidine.
  • Topical antifungals.
  • TMP / SMX.
  • AZT.

Exclusion Criteria

Co-existing Condition:

Patients with the following symptoms or conditions are excluded:

  • Significant hepatic disease including HBsAg or hepatitis C positivity.
  • Significant neurologic disease such as loss of intellectual ability, motor deficits, or seizure disorder.
  • Significant cardiac disease including dysrhythmia or cardiomyopathy.
  • Significant medical condition or laboratory abnormality that may pose additional risk to patient on study or confound the results.
  • Has a social situation that may interfere with study participation.

Concurrent Medication:


  • Oral contraceptives.

Patients with the following prior conditions are excluded:

  • History of serious allergic drug reactions.
  • History of significant cardiac disease.
  • Participation on another clinical trial within the past 4 weeks.
  • Donated blood within the past 4 weeks.

Prior Medication:

Excluded within the past 4 weeks:

  • Hematopoietic growth factors.

Excluded within the past 2 weeks:

  • Antiretroviral agent other than zidovudine.
  • Oral contraceptives.
  • Prophylaxis for opportunistic infections, other than aerosolized pentamidine, topical antifungals, and TMP/SMX.
  • Any other medication unless approved by Merck clinical monitor. Current illicit drug use.
  Contacts and Locations
Choosing to participate in a study is an important personal decision. Talk with your doctor and family members or friends about deciding to join a study. To learn more about this study, you or your doctor may contact the study research staff using the Contacts provided below. For general information, see Learn About Clinical Studies.

Please refer to this study by its ClinicalTrials.gov identifier: NCT00002351

United States, New Jersey
Merck & Co Inc
Whitehouse Station, New Jersey, United States, 088890100
Sponsors and Collaborators
Merck Sharp & Dohme Corp.
  More Information

Mueller BU, Smith S, Sleasman J, Nelson RP Jr, Meyer C, Deutsch P, Zwerski S, Mistry G, Sei S, Wood L, Zeichner S, Brouwers P, Jarosinski P, Lewis L, Pizzo PA. A phase I/II study of the protease inhibitor indinavir (MK-0639) in children with HIV infection. Int Conf AIDS. 1996 Jul 7-12;11(Program Supplement):37 (abstract no WeB554)

ClinicalTrials.gov Identifier: NCT00002351     History of Changes
Other Study ID Numbers: 246A  026-01 
Study First Received: November 2, 1999
Last Updated: June 23, 2005
Health Authority: United States: Food and Drug Administration

Keywords provided by NIH AIDS Clinical Trials Information Service:
Acquired Immunodeficiency Syndrome
AIDS-Related Complex
HIV Protease Inhibitors

Additional relevant MeSH terms:
Anti-HIV Agents
Anti-Infective Agents
Anti-Retroviral Agents
Antiviral Agents
Enzyme Inhibitors
HIV Protease Inhibitors
Molecular Mechanisms of Pharmacological Action
Pharmacologic Actions
Protease Inhibitors
Therapeutic Uses

ClinicalTrials.gov processed this record on May 03, 2016