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NCT05477186 · ClinicalTrials.gov registry record · Phase 1

Safety and Immunogenicity Study of a Booster Dose of the Investigational CV0501 mRNA COVID-19 Vaccine in Adults at Least 18 Years Old

A Phase 1 study, sponsored by GlaxoSmithKline.

Completed
Registry status
Phase 1
Development phase
185
Enrollment target

NCT05477186: Completed Phase 1 study, sponsored by GlaxoSmithKline.

NCT05477186 is a Phase 1 study that has completed, run by GlaxoSmithKline. The registered enrollment target is 185 participants, above the 60-participant average among 29,502 other Phase 1 trials with a reported enrollment target (208% higher). According to ClinicalTrials.gov, the official US trial registry.

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The verdict

NCT05477186, a Phase 1 study, has completed, sponsored by GlaxoSmithKline.

COMPLETED
Registry status
Phase 1
Development phase
185 participants
Enrollment target

Study Summary

Prevention of COVID-19 caused by SARS-CoV-2.

Primary Outcome

Assessed solicited local adverse events were injection site pain, redness, swelling, and Lymphadenopathy.

Interventions

  • BIOLOGICAL CV0501 (3 μg)
  • BIOLOGICAL CV0501 (6 μg)
  • BIOLOGICAL CV0501 (12 μg)
  • BIOLOGICAL CV0501 (25 μg)
  • BIOLOGICAL CV0501 (50 μg)

Trial Details

FieldValue
Enrollment Target 185 participants
Start Date 2022-08-12
Est. Completion 2023-08-18
Phase Phase 1
GlaxoSmithKline

1,345 total trials

What the finished NCT05477186 record still lists

NCT05477186 is an interventional study that assigns participants to a tested intervention. The registered 185 participants enrollment target is mid-sized for trials with a published cap, above the 60-participant average among 29,502 other Phase 1 trials with a reported enrollment target (208% higher).

The record links to 0 conditions, and to 5 interventions - of which CV0501 (3 μg) is the first listed.

NCT05477186 does not publish any study locations in the registry export this page uses.

Frequently Asked Questions

What is clinical trial NCT05477186 about?

NCT05477186 is a clinical study titled "Safety and Immunogenicity Study of a Booster Dose of the Investigational CV0501 mRNA COVID-19 Vaccine in Adults at Least 18 Years Old". Prevention of COVID-19 caused by SARS-CoV-2.

What is the current status of trial NCT05477186?

This trial is currently completed. It is a Phase 1 study. The enrollment target is 185 participants. The study started on 2022-08-12. Estimated completion is 2023-08-18.

What interventions are being tested in trial NCT05477186?

The interventions under investigation include: CV0501 (3 μg) (BIOLOGICAL), CV0501 (6 μg) (BIOLOGICAL), CV0501 (12 μg) (BIOLOGICAL), CV0501 (25 μg) (BIOLOGICAL), CV0501 (50 μg) (BIOLOGICAL).

Who is sponsoring clinical trial NCT05477186?

This trial is sponsored by GlaxoSmithKline, which has 1,345 total clinical trials registered on ClinicalTrials.gov.

How this trial's enrollment target compares

Where NCT05477186's enrollment target sits among peer trials

185 294th of 2000 higher than 1,707 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 NCT05477186, the US trial registry maintained by the National Library of Medicine. NCT05477186 (mid enrollment · none site footprint · completed) retrieved and formatted by PlainTrial, see methodology.