Massive trial tests COVID shot in healthy Middle-Aged adults

NCT ID NCT07279766

First seen Jan 04, 2026 · Last updated Jun 16, 2026 · Updated 24 times

Summary

This study tests whether a COVID-19 vaccine (mRNA-1273) can prevent severe COVID-19 in healthy adults aged 50 to 64. About 285,000 participants will be randomly assigned to get the vaccine or not. The goal is to see if the vaccine reduces hospitalizations and other serious outcomes.

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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

Locations

  • Center for Translational Cardiology and Pragmatic Randomized Trials, Department of Cardiology, Copenhagen University Hospital - Herlev and Gentofte

    Hellerup, 2900, Denmark

  • Danske Lægers Vaccinations Service

    Søborg, 2860, Denmark

Conditions

Explore the condition pages connected to this study.