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Study identifier: NCT06655324 Synced from ClinicalTrials.gov · August 08, 2026
● Study status: Recruiting

A Study to Evaluate Safety, Tolerability, and Immunogenicity of V350A and V350B in Healthy Participants (V350-001).

Condition: Healthy  ·  Sponsor: Merck Sharp & Dohme LLC

PhasePhase 1
Planned participants250
Who can joinAll sexes, 12 Years to 30 Years
Healthy volunteersYesCheck eligibility criteria ↓
Where9 locations

Interested? Contact the study team ↓

Sponsor, CRO or site team? See where this study is running → — listed sites, countries and recruiting context. Everything below is written for patients and caregivers.

About this study

Epstein Barr virus (EBV) is a virus which can cause infectious mononucleosis and is associated with certain kinds of cancer and multiple sclerosis. Researchers are looking for new ways to prevent disease related to EBV and have developed a new study vaccine (V350A and V350B). The main goal of this study is to learn about the safety and tolerability of V350A and V350B in healthy adults.

This description comes directly from the study's public registry record.

Talk to the study team

Toll Free Number  ·  1-888-577-8839  ·  Trialsites@msd.com

There is no obligation to join — the study team can answer your questions about taking part.

Always discuss trial participation with your own doctor first.

Full eligibility criteria (exactly as the study team wrote them)

Inclusion Criteria: The key inclusion criteria include but are not limited to the following: * Is in good health before randomization. * Has a body mass index between 18 and 38 kg/m\^2, inclusive, for adults 18-30; has a body mass index between 15 and 38 kg/m\^2, inclusive, for adolescents 12-17. Exclusion Criteria: The key exclusion criteria include but are not limited to the following: * Has a confirmed or suspected case of infectious mononucleosis within 12 months prior to enrollment. * Has any immunosuppressive medical condition or receive any immunosuppressive therapy.

Reproduced word-for-word from the public registry record — the study team can answer questions about it.

Locations (9)

California Clinical Trials Medical Group managed by PAREXEL ( Site 0011)Glendale, California, United StatesCompleted
QPS-MRA, LLC ( Site 0012)South Miami, Florida, United StatesActive Not Recruiting
Alliance for Multispecialty Research, LLC ( Site 0008)Kansas City, Missouri, United StatesRecruiting
Bio-Kinetic Clinical Applications, LLC dba QPS-MO ( Site 0016)Springfield, Missouri, United StatesRecruiting
Velocity Clinical Research Lincoln ( Site 0004)Lincoln, Nebraska, United StatesRecruiting
Velocity Clinical Research, Omaha ( Site 0005)Omaha, Nebraska, United StatesRecruiting
Remington-Davis, Inc. ( Site 0017)Columbus, Ohio, United StatesRecruiting
Lynn Health Science Institute ( Site 0010)Oklahoma City, Oklahoma, United StatesRecruiting
Alliance for Multispecialty Research, LLC ( Site 0009)Knoxville, Tennessee, United StatesActive Not Recruiting

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