Scientists gather clues on mysterious immune defects
NCT ID NCT04408950
First seen Jun 24, 2026 · Last updated Jul 10, 2026 · Updated 5 times
Summary
This study collected blood, saliva, stool, urine, and skin samples from 19 people with unknown or poorly understood immune system problems. The goal was to learn how different parts of the immune system work together. No treatments or drugs were tested. Participants were followed for up to 5 years to track health changes.
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
Contacts and locations
Locations
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National Institutes of Health Clinical Center
Bethesda, Maryland, 20892, United States
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