New registry aims to unlock secrets of rare childhood blood-clotting disorder
NCT ID NCT00616317
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study is creating a registry to collect information from children diagnosed with antiphospholipid syndrome (APS), a condition that causes abnormal blood clots. Researchers aim to better understand what causes APS and how it is treated, with a focus on long-term survival. The study will enroll up to 50 participants who were 18 or younger at disease onset and meet specific lab criteria.
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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About 50 people
The number the study aims to enrol. It can still change while the study runs.
- Start date
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Sep 2006
- Expected to finish
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Jan 2040
An estimate. End dates often move.
- 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
Pediatric Nephrology Clinic at University of California, Davis
- Ages
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1 minute to 18 years
- Sex
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Anyone
- Healthy volunteers
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Not accepted
This study is not open to healthy volunteers. The entry requirements below say who it is open to.
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: * 18 years of age or younger at the onset of disease * Presence of Vascular Thrombosis * UC Davis patient * Presence of at least one Laboratory criteria including: Anticardiolipin antibody, Anti-B glycoprotein-I antibody or Lupus anticoagulant in plasma Exclusion Criteria: * Infants born to mothers with APS * Infants with congenital thrombophilia
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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.
How to take part
Only the study team decides who joins. These are the ways to reach them.
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The places running it
1 site. The list below names each one and where it is.
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The official record
ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.
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A doctor treating you
A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.
Contacts and locations
Locations
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UC Davis Medical Center
RECRUITINGSacramento, California, 95817, United States
More trials for these conditions
Other studies related to the condition(s) this trial covers.
- Can a common antiplatelet drug replace warfarin after APS-Related stroke?
- A blood test that could predict clots in autoimmune disease?
- Blood platelet trends may reveal hidden risk in autoimmune disease
- Immune clues in the blood may foretell heart trouble
- Can a simple blood test tell two forms of a clotting disorder apart?
- New fingerstick test for blood thinner monitoring put to the test