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NCT00000628 · ClinicalTrials.gov registry record · Phase 1

A Pharmacokinetic Study of L-697,661 Alone and in Combination With Zidovudine

A Phase 1 study of HIV Infections, sponsored by Merck Sharp & Dohme.

Completed
Registry status
Phase 1
Development phase
27
Enrollment target
5
Study locations

NCT00000628: Completed Phase 1 study of HIV Infections, sponsored by Merck Sharp & Dohme.

NCT00000628 is a Phase 1 study of HIV Infections that has completed, run by Merck Sharp & Dohme. The registered enrollment target is 27 participants, below the 446-participant average among 542 other HIV Infections trials with a reported enrollment target (94% lower). The trial reports 5 study locations across 4 states. According to ClinicalTrials.gov, the official US trial registry.

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The verdict

NCT00000628, a Phase 1 study of HIV Infections, has completed, sponsored by Merck Sharp & Dohme.

COMPLETED
Registry status
Phase 1
Development phase
27 participants
Enrollment target
5
Study locations

Study Summary

Part 1: To study the potential safety and pharmacokinetic (blood level) effects of zidovudine (AZT) on L-697,661; to obtain additional pharmacokinetic information in humans with L-697,661; to study the effect of L-697,661 on hepatic enzyme induction. Part 2: To begin a study of the antiviral activity of L-697,661. L-697,661 is a newly identified compound that inhibits HIV replication (reproduction and growth) in cell culture. It works together with AZT against HIV.

Conditions Studied

Interventions

  • DRUG Zidovudine
  • DRUG L-697,661

Study Locations (5)

Illinois

  • Northwestern Univ Med School - Chicago
  • Rush Presbyterian - Saint Luke's Med Ctr - Chicago

California

  • San Francisco Gen Hosp - San Francisco

Colorado

  • Univ of Colorado Health Ctr / Denver Gen Hosp - Denver

Washington

  • Univ of Washington - Seattle

Trial Details

FieldValue
Enrollment Target 27 participants
Phase Phase 1
Merck Sharp & Dohme

558 total trials

What the finished NCT00000628 record still lists

NCT00000628 is an interventional study that assigns participants to a tested intervention. The registry caps enrollment at 27 participants, a relatively small participant target, below the 446-participant average among 542 other HIV Infections trials with a reported enrollment target (94% lower).

The record links to 1 condition, with HIV Infections appearing as the primary indexed condition, and to 2 interventions - of which Zidovudine is the first listed.

NCT00000628 lists 5 locations in 4 states (Illinois, California, Colorado).

Frequently Asked Questions

What is clinical trial NCT00000628 about?

NCT00000628 is a clinical study titled "A Pharmacokinetic Study of L-697,661 Alone and in Combination With Zidovudine". Part 1: To study the potential safety and pharmacokinetic (blood level) effects of zidovudine (AZT) on L-697,661; to obtain additional pharmacokinetic information in humans with L-697,661; to study the effect of L-697,661 on hepatic enzyme induction. Part 2: To begin a study of the antiviral activit...

What is the current status of trial NCT00000628?

This trial is currently completed. It is a Phase 1 study. The enrollment target is 27 participants.

What conditions does trial NCT00000628 study?

This clinical trial studies the following conditions: HIV Infections.

What interventions are being tested in trial NCT00000628?

The interventions under investigation include: Zidovudine (DRUG), L-697,661 (DRUG).

Who is sponsoring clinical trial NCT00000628?

This trial is sponsored by Merck Sharp & Dohme, which has 558 total clinical trials registered on ClinicalTrials.gov.

Where is trial NCT00000628 being conducted?

This trial has 5 study locations across California, Colorado, Illinois, Washington. Contact the study sites directly through ClinicalTrials.gov for enrollment availability.

Similar trials for HIV Infections

Matched on the same primary condition, ranked to surface studies in the same phase first, then by recruiting status, no relevance scoring or editorial curation.

Where NCT00000628's enrollment target sits among peer trials

27 450th of 542 higher than 87 of 542 other HIV Infections trials

participants (enrollment target), bucketed by value

Each bar is a band; taller bars hold more other HIV Infections trials. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count and share, and where it sits relative to this entry.

Source ClinicalTrials.gov registry export · 2026-08-08

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Source: ClinicalTrials.gov NCT00000628, the US trial registry maintained by the National Library of Medicine. NCT00000628 (small enrollment · multi site footprint · completed) retrieved and formatted by PlainTrial, see methodology.