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Study identifier: NCT03394053 Synced from ClinicalTrials.gov · July 29, 2026
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The Mechanistic Biology of Primary Immunodeficiency Disorders

Condition: Primary Immunodeficiency Disorders  ·  Sponsor: National Institute of Allergy and Infectious Diseases (NIAID)

PhaseN/A
Planned participants2500
Who can joinAll sexes, 1 Day to 90 Years
Healthy volunteersYes

About this study

Background: Primary immunodeficiency disorders, or PIDs, are diseases that weaken the immune system. This makes it easier for a person to get sick. Some PIDs are mild and may not be diagnosed until later in life. Other kinds are severe and can be identified shortly after birth. Researchers want to learn more about PIDs by comparing data from relatives and healthy volunteers to people with a PID. Objective: To learn more about PIDs, including their genetic causes. Eligibility: People ages 0-90 with a PID or their healthy biological relatives the same ages Healthy volunteers ages 18-75 Design: Participants will be screened with a medical history, physical exam, and HIV blood test. They may have a pregnancy test. Participants may repeat the screening tests. Blood taken at screening will be used for genetic tests and research tests. Participants will be told test results that affect their health. Some blood will be stored for future research. Adult participants with a PID may have a small piece of skin removed. The area will be numbed. A small tool will take a piece of skin about the size of a pencil eraser. Researchers may collect fluid or tissue samples from PID participants regular medical care. They will use them for research tests. Participants with a PID will have 3 follow-up visits over 10 years (for infants, 2 years). Visits will include a physical exam, medical history, and blood draw. Participants with a PID and their relatives will be called once a year f…

This description comes directly from the study's public registry record.

Talk to the study team

Luigi D Notarangelo, M.D.  ·  (301) 761-7550  ·  luigi.notarangelo2@nih.gov

Always discuss trial participation with your own doctor first.

Locations (2)

Children's National Health System (CNHS)Washington D.C., District of Columbia, United StatesRecruiting
National Institutes of Health Clinical CenterBethesda, Maryland, United StatesRecruiting

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Source record: clinicaltrials.gov/study/NCT03394053