Heart transplant vaccine study halted after just 4 patients

NCT ID NCT04845945

First seen Feb 04, 2026 · Last updated Jun 08, 2026 · Updated 16 times

Summary

This study aimed to see how well heart transplant candidates and recipients respond to the standard pneumococcal vaccine using two different blood tests. Only 4 adults were enrolled before the study was stopped early. The goal was to check antibody levels, but no conclusions can be drawn due to the small size.

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Contacts and locations

Locations

  • Montefiore Medical Center, Infectious Diseases

    The Bronx, New York, 10467, United States

Conditions

Explore the condition pages connected to this study.