New mRNA vaccines take on evolving COVID variants

NCT ID NCT06585241

Recruiting now ⭐️ VACCINE ⭐️ Sponsor: ModernaTX, Inc. Source: ClinicalTrials.gov ↗

First seen Nov 01, 2025 · Last updated May 20, 2026 · Updated 29 times

Summary

This study tests updated mRNA COVID-19 vaccines designed to protect against new virus variants. About 1,144 adults and children who have already been vaccinated will receive one of four vaccine formulas. Researchers will measure how well the vaccines boost immunity and monitor for side effects.

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This is a summary of the original study . Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.

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Contacts and locations

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Study contacts

Contact

Phone: •••-•••-•••• Email: •••••@•••••

Locations

CenExel
RECRUITING

Atlanta, Georgia, 30331, United States
CenExel
RECRUITING

Decatur, Georgia, 30030, United States
Richard Bennett - Clinical Research Partners
RECRUITING

Richmond, Virginia, 23226, United States
Velocity Clinical Research
RECRUITING

Baton Rouge, Louisiana, 70809, United States
Velocity Clinical Research
RECRUITING

Gulfport, Mississippi, 39503, United States
Velocity Clinical Research
RECRUITING

Omaha, Nebraska, 68134, United States

Conditions

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SARS-COV-2