Blood clot patients monitored for years in major national study
NCT ID NCT06073366
First seen Jun 26, 2026 · Last updated Jun 27, 2026 · Updated 1 time
Summary
This completed study followed 1,000 adults with venous thromboembolism (blood clots) across China for several years. Researchers tracked who had another clot, who had bleeding problems, and who died. The goal was to learn which patients need long-term blood-thinning medication and to better understand the disease. No new treatment was tested; this was purely an observation study.
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 1,000 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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May 2013
- Finished
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Apr 2025
- Lead sponsor
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A government agency
The lead sponsor is a government body.
Who can take part
This study's own entry requirements. Only the study team can say for certain whether you qualify.
Who is studied
Consecutive patients diagnosed with venous thromboembolism will be eligible to participate in the study.
- Ages
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18 years and older
- 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: * Age greater or equal to 18. * Patients diagnosed with venous thromboembolism. Exclusion Criteria: * Pregnant or lactating women * Patients with active tumor
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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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Chinese Academy of Medical Sciences Fuwai Hospital
Beijing, Beijing Municipality, 100037, China
More trials for these conditions
Other studies related to the condition(s) this trial covers.
- Secondary prevention of venous thromboembolism in patients with cancer and Catheter-Related upper extremity deep vein thrombosis (STREAM-Line study)
- Can a phone app stop deadly clots from coming back?
- Can electronic alerts and patient teaching stop deadly clots after cancer surgery?
- Can a new Five-Category system predict which pulmonary embolism patients will crash?
- Can we predict who dies from blood clots? a 100,000-Patient study searches for clues
- Could tailored blood thinner dosing prevent strokes in chinese patients?