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NCT00000757 · ClinicalTrials.gov registry record · Phase 1

A Phase I Multicenter Trial to Evaluate the Safety and Immunogenicity of HIV-1 Recombinant Envelope Glycoprotein gp160

A Phase 1 study, sponsored by National Institute of Allergy and Infectious Diseases (NIAID).

Completed
Registry status
Phase 1
Development phase
30
Enrollment target

NCT00000757: Completed Phase 1 study, sponsored by National Institute of Allergy and Infectious Diseases (NIAID).

NCT00000757 is a Phase 1 study that has completed, run by National Institute of Allergy and Infectious Diseases (NIAID). The registered enrollment target is 30 participants, below the 60-participant average among 29,502 other Phase 1 trials with a reported enrollment target (50% lower). According to ClinicalTrials.gov, the official US trial registry.

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The verdict

NCT00000757, a Phase 1 study, has completed, sponsored by National Institute of Allergy and Infectious Diseases (NIAID).

COMPLETED
Registry status
Phase 1
Development phase
30 participants
Enrollment target

Study Summary

To evaluate the safety and immune response to 160 mcg HIV-1 recombinant envelope glycoprotein gp160. To evaluate the duration of antibody response and its relationship to dose and frequency of inoculation. Evaluation of previous patients who received doses of 40 or 80 mcg gp160 vaccine indicate that, although serum anti-gp160 antibody responses were detected, the level and duration of those responses were limited. A preliminary observation suggests that weak functional antibody responses may develop following the 18 month booster of 40 or 80 mcg; therefore, a dose of gp160 vaccine having potentially greater immunogenicity is of particular interest.

Interventions

  • BIOLOGICAL gp160 Vaccine (MicroGeneSys)

Trial Details

FieldValue
Enrollment Target 30 participants
Est. Completion 1992-10
Phase Phase 1

What the finished NCT00000757 record still lists

NCT00000757 is an interventional study that assigns participants to a tested intervention. The registry caps enrollment at 30 participants, a relatively small participant target, below the 60-participant average among 29,502 other Phase 1 trials with a reported enrollment target (50% lower).

The record links to 0 conditions, and to 1 intervention - of which gp160 Vaccine (MicroGeneSys) is the first listed.

NCT00000757 does not publish any study locations in the registry export this page uses.

Frequently Asked Questions

What is clinical trial NCT00000757 about?

NCT00000757 is a clinical study titled "A Phase I Multicenter Trial to Evaluate the Safety and Immunogenicity of HIV-1 Recombinant Envelope Glycoprotein gp160". To evaluate the safety and immune response to 160 mcg HIV-1 recombinant envelope glycoprotein gp160. To evaluate the duration of antibody response and its relationship to dose and frequency of inoculation. Evaluation of previous patients who received doses of 40 or 80 mcg gp160 vaccine indicate tha...

What is the current status of trial NCT00000757?

This trial is currently completed. It is a Phase 1 study. The enrollment target is 30 participants. Estimated completion is 1992-10.

What interventions are being tested in trial NCT00000757?

The interventions under investigation include: gp160 Vaccine (MicroGeneSys) (BIOLOGICAL).

Who is sponsoring clinical trial NCT00000757?

This trial is sponsored by National Institute of Allergy and Infectious Diseases (NIAID), which has 2,006 total clinical trials registered on ClinicalTrials.gov.

How this trial's enrollment target compares

Where NCT00000757's enrollment target sits among peer trials

30 1332nd of 2000 higher than 561 of 2,000 other Phase 1 trials

participants (enrollment target), bucketed by value

Each bar is a band; taller bars hold more other Phase 1 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 NCT00000757, the US trial registry maintained by the National Library of Medicine. NCT00000757 (small enrollment · none site footprint · completed) retrieved and formatted by PlainTrial, see methodology.