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Scientists investigate why some blood clot patients suffer lasting damage

NCT ID NCT06257290

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now
This trial is taking on new participants right now.
Not yet recruiting
Registered, but not yet taking participants.
By invitation only
Not open to general applications. Only people the study team invites can take part.
Paused
Paused for now. It may or may not start again.
Ongoing
Running, but no longer taking on new participants.
Completed
The trial has finished. Results may not be published yet.
Stopped early This study
Stopped early, before it reached the end. That can be for many reasons, including safety.
Cancelled
Cancelled before anyone took part.

Expanded access (not trials)

Expanded access
Not a trial. This treatment can be requested outside a study, case by case, for people who qualify.
Expanded access (paused)
Not a trial. The treatment can normally be requested outside a study, but is unavailable right now.
Expanded access (ended)
Not a trial. The treatment could once be requested outside a study, but no longer can.
Approved
The treatment has been approved, so it is available normally rather than through this programme.

When the status isn't known

Details not published
The full record has not been published yet, so there is little to show here.
Status unknown
This status has not been confirmed recently, so it may be out of date.

First seen Jun 27, 2026 · Last updated Jun 27, 2026

Summary

This study looked at how platelets (small blood cells) might cause long-term complications like leg swelling or breathing problems after a blood clot. Researchers measured specific receptors on platelets in 44 patients to see if they were linked to these lasting issues. The goal was to better understand why some people recover fully while others do not.

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

44 people

The number who actually took part.

Started

Oct 2023

Finished

Oct 2025

Lead sponsor

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

Venous ThromboEmbolic (VTE) patients

Ages

18 years and older

Sex

Anyone

Healthy volunteers

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

Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.

Inclusion Criteria: * Patients diagnosed with Venous ThromboEmbolic (VTE) / Proximal Deep vein thrombosis (DVT) of the lower limb and/or pulmonary embolism ≤ 72heures * Patients are 18 years of age or older at diagnosis. * Patients received informed written consent * Patients benefiting from social security coverage Exclusion Criteria: * Diagnosis of Venous ThromboEmbolic (VTE) more than 72 hours old * Isolated sub-segmental pulmonary embolism * Patients on antiplatelet agents * Patients on non-steroidal anti-inflammatory drugs (NSAIDs) * Life expectancy \> 3 months

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Conditions

The condition(s) this trial relates to.

Thromboinflammation venous thromboembolism

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

Contacts and locations

Locations

  • Chu St-Etienne

    Saint-Etienne, 42055, France

More trials for these conditions

Other studies related to the condition(s) this trial covers.