New mRNA vaccine aims to shield transplant patients from dangerous virus

NCT ID NCT05683457

First seen Jun 27, 2026 · Last updated Aug 11, 2026 · Updated 2 times

Summary

This study tests an mRNA vaccine (mRNA-1647) to prevent cytomegalovirus (CMV) infection in people who have had a stem cell transplant. About 84 participants will receive either the vaccine or a placebo. The goal is to see if the vaccine can safely prevent CMV after stopping standard preventive drugs.

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Conditions

The condition(s) this trial relates to.

As listed by the trial registrant

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

Contacts and locations

Locations

  • Dana-Farber Cancer Institute

    Boston, Massachusetts, 02215, United States

  • Fred Hutchinson Cancer Center

    Seattle, Washington, 98109, United States

  • Washington University School of Medicine

    St Louis, Missouri, 63110, United States

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