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Could a vaccine stop the virus behind mono, cancer, and MS?

NCT ID NCT06655324

Recruiting now ⭐️ VACCINE ⭐️ Sponsor: Merck Sharp & Dohme LLC Source: ClinicalTrials.gov ↗

First seen Jun 27, 2026 · Last updated Jul 24, 2026 · Updated 1 time

Summary

This early-stage study is testing two new vaccines (V350A and V350B) designed to prevent diseases caused by the Epstein-Barr virus (EBV), which can cause infectious mononucleosis and is linked to certain cancers and multiple sclerosis. The study will enroll 250 healthy adults and teens to check the vaccines' safety, side effects, and ability to trigger an immune response. Participants will be randomly assigned to receive either the vaccine or a placebo.

This is an AI summary of the original study and may miss details. Read our disclaimer.

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Conditions

The condition(s) this trial relates to.

Epstein-Barr virus infection prevention target

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

HEALTHY

Contacts and locations

Study contacts

  • Contact

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

Locations

  • Alliance for Multispecialty Research, LLC ( Site 0008)

    RECRUITING

    Kansas City, Missouri, 64114, United States

    Contact Phone: •••-•••-••••

  • Alliance for Multispecialty Research, LLC ( Site 0009)

    ACTIVE_NOT_RECRUITING

    Knoxville, Tennessee, 37909, United States

  • Bio-Kinetic Clinical Applications, LLC dba QPS-MO ( Site 0016)

    RECRUITING

    Springfield, Missouri, 65802, United States

    Contact Phone: •••-•••-••••

  • California Clinical Trials Medical Group managed by PAREXEL ( Site 0011)

    COMPLETED

    Glendale, California, 91206, United States

  • Lynn Health Science Institute ( Site 0010)

    RECRUITING

    Oklahoma City, Oklahoma, 73112, United States

    Contact Phone: •••-•••-••••

  • QPS-MRA, LLC ( Site 0012)

    ACTIVE_NOT_RECRUITING

    South Miami, Florida, 33143, United States

  • Remington-Davis, Inc. ( Site 0017)

    RECRUITING

    Columbus, Ohio, 43215, United States

    Contact Phone: •••-•••-••••

  • Velocity Clinical Research Lincoln ( Site 0004)

    RECRUITING

    Lincoln, Nebraska, 68510, United States

    Contact Phone: •••-•••-••••

  • Velocity Clinical Research, Omaha ( Site 0005)

    RECRUITING

    Omaha, Nebraska, 68134, United States

    Contact Phone: •••-•••-••••

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