New mRNA vaccine shows promise against common virus in early trial
NCT ID NCT04232280
First seen May 16, 2026 · Last updated Jun 18, 2026 · Updated 5 times
Summary
This study tested an experimental mRNA vaccine (mRNA-1647) for cytomegalovirus (CMV) in 315 healthy adults aged 18-40. The goal was to check safety and see how well the vaccine triggers the immune system to produce antibodies against CMV. Participants received one of three doses or a placebo, and researchers measured side effects and antibody levels in the blood.
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the original study
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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.
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
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Locations
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Alliance for Multispecialty Research
Lexington, Kentucky, 40509, United States
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Aventiv Research Inc
Columbus, Ohio, 43213-6523, United States
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Benchmark Research
Sacramento, California, 95864, United States
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Crossroads Clinical Research
Victoria, Texas, 77901, United States
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Foothill Family Clinic
Salt Lake City, Utah, 84109, United States
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Foothill Family Clinic-South Clinic
Salt Lake City, Utah, 84121, United States
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Johnson County Clin-Trials
Lenexa, Kansas, 66219, United States
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Optimal Research
Peoria, Illinois, 61614, United States
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Tekton Research Inc
Austin, Texas, 78745, United States
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.