Could a vaccine series shield leukemia patients from deadly pneumonia?
NCT ID NCT05183854
First seen Feb 27, 2026 · Last updated May 12, 2026 · Updated 8 times
Summary
This study tests whether giving two pneumonia vaccines (PCV20 and PPSV23) in a series can help people with chronic lymphocytic leukemia (CLL) build a stronger immune defense against pneumococcal infections. About 61 participants with CLL who have not had treatment or are on a specific drug will receive the vaccines. The goal is to see if their antibody levels rise enough to prevent pneumonia.
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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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Study contacts
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Contact
Phone: •••-•••-•••• Email: •••••@•••••
Locations
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Huntsman Cancer Institute/University of Utah
RECRUITINGSalt Lake City, Utah, 84112, United States
Contact Phone: •••-•••-•••• Email: •••••@•••••
Contact
Contact Phone: •••-•••-•••• Email: •••••@•••••
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