Could your family history predict Hormone-Related blood clots?
NCT ID NCT03206372
First seen Jun 25, 2026 · Last updated Jun 27, 2026 · Updated 1 time
Summary
This study is looking at whether women who have had a blood clot while using hormones (like birth control pills or during pregnancy) have family members who are also more likely to have had a clot. Researchers will compare the family history of these women with that of women who used hormones but never had a clot. The goal is to see if family history is a better way to predict risk than current blood tests. No new treatments are being tested.
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 help identify women at higher risk of blood clots from hormones based on family history, improving prevention advice.
What could go wrong
This is an observational study, not a treatment trial. It may not prove cause and effect, and results might not apply to all populations.
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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CH Morlaix
RECRUITINGMorlaix, France
Contact Phone: •••-•••-•••• Email: •••••@•••••
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CHRU Brest
RECRUITINGBrest, 29200, France
Contact Phone: •••-•••-•••• Email: •••••@•••••
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Clermont Ferrand
RECRUITINGClermont-Ferrand, France
Contact Phone: •••-•••-•••• Email: •••••@•••••
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HIA
RECRUITINGBrest, France
Contact Phone: •••-•••-•••• Email: •••••@•••••
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Paris HEGP
RECRUITINGParis, France
Contact Phone: •••-•••-•••• Email: •••••@•••••
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RENNES
RECRUITINGRennes, France
Contact Email: •••••@•••••
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Saint Etienne
RECRUITINGSaint-Etienne, France
Contact Phone: •••-•••-••••
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Tours
RECRUITINGTours, France
Contact Phone: •••-•••-•••• Email: •••••@•••••