Scientists hunt for genetic clues to mysterious immune diseases
NCT ID NCT00246857
First seen Jun 26, 2026 · Last updated Jun 26, 2026
Summary
This study aims to find the genetic causes of inherited immune problems that affect white blood cells called lymphocytes. Researchers will review medical records and collect blood samples from up to 5,000 people with suspected immune disorders, as well as their relatives. The goal is to understand why some people have enlarged lymph nodes, autoimmune issues, or frequent infections due to problems with cell growth and death.
What this could mean
Our plain-language read of the trial. This is informational only — not medical advice or a prediction.
What this could lead to
If successful, this could lead to better understanding of genetic immune diseases and potentially point toward future treatments.
What could go wrong
This is an observational screening study, not a treatment trial. It may not directly benefit participants and could take years to yield meaningful results.
Disclaimer
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the original study
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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.
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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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
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Study contacts
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Contact
Phone: •••-•••-•••• Email: •••••@•••••
Locations
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Ankara Medical University
RECRUITINGAnkara, Turkey (Türkiye)
Contact Phone: •••-•••-•••• Email: •••••@•••••
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Gazi University
RECRUITINGAnkara, Turkey (Türkiye)
Contact Phone: •••-•••-•••• Email: •••••@•••••
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Hacettepe University
RECRUITINGAnkara, Turkey (Türkiye)
Contact Phone: •••-•••-•••• Email: •••••@•••••
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Marmara University
RECRUITINGIstanbul, Turkey (Türkiye)
Contact Phone: •••-•••-•••• Email: •••••@•••••
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National Institutes of Health Clinical Center
RECRUITINGBethesda, Maryland, 20892, United States
Contact Phone: •••-•••-•••• Email: •••••@•••••
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Necemttin Erbakan University
RECRUITINGKonya, Turkey (Türkiye)
Contact Phone: •••-•••-•••• Email: •••••@•••••
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University of Michigan
RECRUITINGAnn Arbor, Michigan, 48109-0624, United States
Contact Phone: •••-•••-•••• Email: •••••@•••••