New mRNA vaccine could shield transplant patients from dangerous virus

NCT ID NCT05683457

First seen Apr 04, 2026 · Last updated Apr 29, 2026 · Updated 4 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 224 participants will receive either the vaccine or a placebo. The goal is to see if the vaccine can safely prevent serious CMV infections after patients stop taking preventive antiviral drugs.

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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: •••••@•••••

Locations

  • Dana-Farber Cancer Institute

    RECRUITING

    Boston, Massachusetts, 02215, United States

  • Fred Hutchinson Cancer Center

    RECRUITING

    Seattle, Washington, 98109, United States

  • Washington University School of Medicine

    RECRUITING

    St Louis, Missouri, 63110, United States

Conditions

Explore the condition pages connected to this study.