Testing a new vaccine called V330 in healthy adults and older individuals

A Phase 1, Randomized, Double-Blind, Placebo-Controlled, Dose Escalation Trial to Evaluate the Safety, Tolerability, and Immunogenicity of V330 in Healthy Younger (18 to 49 Years Inclusive) and Healthy Older Participants (60 to 79 Years Inclusive).

Phase 1 Interventional Merck Sharp & Dohme LLC · NCT06630117

This study is testing a new vaccine called V330 in healthy adults aged 18 to 49 and older individuals aged 60 to 79 to see if it is safe and helps their immune systems produce antibodies.

Quick facts

PhasePhase 1
Study typeInterventional
Enrollment245 (estimated)
Ages18 Years to 79 Years
SexAll
SponsorMerck Sharp & Dohme LLC Industry-sponsored
Locations4 sites (Glendale, California and 3 other locations)
Trial IDNCT06630117 on ClinicalTrials.gov

What this trial studies

This study aims to evaluate the safety and immune response of a new vaccine, V330, in healthy participants aged 18 to 49 and 60 to 79 years. Participants will receive either the V330 vaccine or a placebo to assess how well their immune systems produce antibodies in response to the vaccine. The study is designed to gather important data on the vaccine's safety profile and its effectiveness in generating an immune response. The findings could provide insights into the potential use of V330 in broader populations.

Who should consider this trial

Good fit: Ideal candidates for this study are healthy adults aged 18 to 49 or older adults aged 60 to 79.

Not a fit: Patients with a history of myocarditis, pericarditis, myopericarditis, or cancer may not benefit from this study.

Why it matters

Potential benefit: If successful, this study could lead to the development of a new vaccine that enhances immune responses in healthy individuals.

How similar studies have performed: Other studies evaluating vaccine safety and immune response have shown success, indicating that this approach is well-established.

Eligibility criteria

Show full inclusion / exclusion criteria
Inclusion Criteria:

The key inclusion criteria include but are not limited to the following:

* Is in good health prior to randomization
* Is an individual from 18 to 49 years of age inclusive or from 60 to 79 years of age inclusive

Exclusion Criteria:

The key exclusion criteria include but are not limited to the following:

* Has a history of myocarditis, pericarditis, and/or myopericarditis
* Has a history of cancer

Where this trial is running

Glendale, California and 3 other locations

Study contacts

How to participate

  1. Review the eligibility criteria above with your treating physician.
  2. Visit the official trial page on ClinicalTrials.gov for the most current contact information and recruitment status.
  3. Contact the listed study coordinator or principal investigator to request pre-screening. Pre-screening is free and never obligates you to enroll.
Conditions Healthy
Last reviewed 2026-06-14 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.