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NCT03721510 · ClinicalTrials.gov registry record · Phase 1

A Phase 1/2a Study of PGT121, VRC07-523LS and PGDM1400 Monoclonal Antibodies in HIV-uninfected and HIV-infected Adults

A Phase 1 study, sponsored by International AIDS Vaccine Initiative.

Completed
Registry status
Phase 1
Development phase
19
Enrollment target

NCT03721510: Completed Phase 1 study, sponsored by International AIDS Vaccine Initiative.

NCT03721510 is a Phase 1 study that has completed, run by International AIDS Vaccine Initiative. The registered enrollment target is 19 participants, below the 60-participant average among 29,502 other Phase 1 trials with a reported enrollment target (68% lower). According to ClinicalTrials.gov, the official US trial registry.

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The verdict

NCT03721510, a Phase 1 study, has completed, sponsored by International AIDS Vaccine Initiative.

COMPLETED
Registry status
Phase 1
Development phase
19 participants
Enrollment target

Study Summary

This is a Phase 1/2a open label study to evaluate the safety, tolerability, pharmacokinetics and anti-viral activity of PGT121, VRC07-523LS and PGDM1400 for HIV prevention and therapy.

Primary Outcome

Proportion of volunteers with moderate or greater reactogenicity (i.e., solicited adverse events) for 3 days following each IV infusion of PGT121, VRC07-523LS and PGDM1400 as assessed using the Division of AIDS (DAIDS) Table for Grading the Severity of Adult and Pediatric Adverse Events, Version 2.1, July 2017, or the Common Terminology Criteria for Adverse Events (CTCAE,) Version 5.0 27 November 2017 (for reactogenicity observed within the first 24 hours post-infusion.)

Interventions

  • BIOLOGICAL PGT121 + VRC07-523LS
  • BIOLOGICAL PGT121 + VRC07-523LS + PGDM1400

Trial Details

FieldValue
Enrollment Target 19 participants
Start Date 2018-12-03
Est. Completion 2022-05-02
Phase Phase 1

What the finished NCT03721510 record still lists

NCT03721510 is an interventional study that assigns participants to a tested intervention. The registry caps enrollment at 19 participants, a relatively small participant target, below the 60-participant average among 29,502 other Phase 1 trials with a reported enrollment target (68% lower).

The record links to 0 conditions, and to 2 interventions - of which PGT121 + VRC07-523LS is the first listed.

NCT03721510 does not publish any study locations in the registry export this page uses.

Frequently Asked Questions

What is clinical trial NCT03721510 about?

NCT03721510 is a clinical study titled "A Phase 1/2a Study of PGT121, VRC07-523LS and PGDM1400 Monoclonal Antibodies in HIV-uninfected and HIV-infected Adults". This is a Phase 1/2a open label study to evaluate the safety, tolerability, pharmacokinetics and anti-viral activity of PGT121, VRC07-523LS and PGDM1400 for HIV prevention and therapy.

What is the current status of trial NCT03721510?

This trial is currently completed. It is a Phase 1 study. The enrollment target is 19 participants. The study started on 2018-12-03. Estimated completion is 2022-05-02.

What interventions are being tested in trial NCT03721510?

The interventions under investigation include: PGT121 + VRC07-523LS (BIOLOGICAL), PGT121 + VRC07-523LS + PGDM1400 (BIOLOGICAL).

Who is sponsoring clinical trial NCT03721510?

This trial is sponsored by International AIDS Vaccine Initiative, which has 16 total clinical trials registered on ClinicalTrials.gov.

How this trial's enrollment target compares

Where NCT03721510's enrollment target sits among peer trials

19 1716th of 2000 higher than 281 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 NCT03721510, the US trial registry maintained by the National Library of Medicine. NCT03721510 (small enrollment · none site footprint · completed) retrieved and formatted by PlainTrial, see methodology.