Immune cell signals may unlock better CVID diagnosis
NCT ID NCT03335605
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This observational study compared blood samples from 24 people with antibody deficiency (CVID) and healthy volunteers. Researchers used advanced technology to measure how different immune cells respond to various triggers. The goal was to find patterns that could improve diagnosis and understanding of CVID.
This is an AI summary of the original study and may miss details. Read our disclaimer.
Study facts
What this study's own registry entry says, in plain language.
- Participants
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24 people
The number who actually took part.
- Started
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May 2019
- Finished
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Jun 2022
- Lead sponsor
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Other sponsor
The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.
Who can take part
This study's own entry requirements. Only the study team can say for certain whether you qualify.
Who is studied
Patients with a diagnosis of CVID and Healthy controls
- Ages
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Children (under 18), adults (18 to 64) and older adults (65 and over)
- Sex
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Anyone
- Healthy volunteers
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Accepted
You do not need to have the condition being studied to take part.
Show the full entry requirements Hide the full entry requirements
Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: * Diagnosis of antibody deficiency (CVID) Exclusion Criteria: \-
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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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UCLA
Los Angeles, California, 90095, United States