NIH launches screening study to uncover hidden immune defects behind recurrent infections

NCT ID NCT00404560

Recruiting now Knowledge-focused Sponsor: National Institute of Allergy and Infectious Diseases (NIAID) Source: ClinicalTrials.gov ↗

First seen Nov 01, 2025 · Last updated May 23, 2026 · Updated 34 times

Summary

This study aims to find the causes of immune system problems that make people prone to infections. Up to 2,000 participants (patients with frequent infections and their healthy blood relatives, aged over 1 month) will undergo medical history, physical exams, blood tests, genetic testing, and imaging. The study does not offer treatment but may identify candidates for future NIH research or treatment studies.

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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

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Study contacts

Contact

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

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

Locations

National Institutes of Health Clinical Center
RECRUITING

Bethesda, Maryland, 20892, United States

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

Conditions

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IMMUNE DEFICIENCIES