Scientists seek hidden causes of chronic lung infections

NCT ID NCT00943514

Recruiting now Knowledge-focused Sponsor: National Heart, Lung, and Blood Institute (NHLBI) Source: ClinicalTrials.gov ↗

First seen Jun 27, 2026 · Last updated Jun 27, 2026

Summary

This study follows 900 people with bronchiectasis—a condition where airways are damaged and prone to infection—to learn why they get sick repeatedly. Researchers will collect medical history, lung function tests, and blood, urine, and sputum samples from patients and their family members. The goal is to identify inherited or immune system factors that make some people more vulnerable to chronic respiratory infections.

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Conditions

The condition(s) this trial relates to.

autoimmune disease bronchiectasis common variable immunodeficiency cystic fibrosis primary ciliary dyskinesia

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

AUTOIMMUNE DISEASE BRONCHIECTASIS COMMON VARIABLE IMMUNODEFICIENCY CYSTIC FIBROSIS

Contacts and locations

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Study contacts

Contact

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

Locations

National Institutes of Health Clinical Center
RECRUITING

Bethesda, Maryland, 20892, United States

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