New COVID-19 boosters aim for stronger, longer protection

NCT ID NCT06810934

Recruiting now ⭐️ VACCINE ⭐️ Sponsor: Kara Chew Source: ClinicalTrials.gov ↗

First seen Sep 30, 2025 · Last updated May 22, 2026 · Updated 34 times

Summary

This study tests two experimental COVID-19 booster vaccines in 80 healthy volunteers aged 40 to 64. The goal is to see if one version, which includes an extra component called 's3', can produce a stronger and longer-lasting immune response. Participants will receive a single shot and be monitored for side effects and immune reactions through blood, saliva, and nasal samples.

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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

Study contacts

  • Contact

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

  • Contact

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

Locations

  • UCLA Westwood

    RECRUITING

    Los Angeles, California, 90095, United States

    Contact

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

  • UCSF Community and Clinical Research Center

    RECRUITING

    San Francisco, California, 94110, United States

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

    Contact

Conditions

Explore the condition pages connected to this study.