Cancer radiation may weaken pneumonia vaccine protection

NCT ID NCT06181656

First seen Feb 22, 2026 · Last updated May 08, 2026 · Updated 9 times

Summary

This study looks at how radiation treatment for esophageal cancer affects the body's ability to respond to the pneumonia vaccine. Researchers will measure antibody levels in 80 patients before and after vaccination. The goal is to understand if low white blood cell counts caused by radiation reduce vaccine effectiveness.

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Contacts and locations

Study contacts

  • Contact

    Phone: •••-•••-•••• Email: •••••@•••••

Locations

  • MD Anderson Cancer Center

    RECRUITING

    Houston, Texas, 77030, United States

    Contact Phone: •••-•••-•••• Email: •••••@•••••

Conditions

Explore the condition pages connected to this study.