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Blood clot patients checked for 'Sleeping' gene mutations

NCT ID NCT04477564

Knowledge-focused Sponsor: Centre Hospitalier Universitaire de Nīmes Source: ClinicalTrials.gov ↗

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 This study
The trial has finished. Results may not be published yet.
Stopped early
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This status has not been confirmed recently, so it may be out of date.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 26, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This completed study examined stored DNA from 150 adults over 50 who had a history of venous thromboembolism (blood clots). Researchers looked for specific gene mutations linked to a condition called clonal hematopoiesis of indeterminate potential (CHIP). The goal was to see how common these mutations are in people with blood clots, which could help understand if CHIP plays a role in clot formation.

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

150 people

The number who actually took part.

Started

Jul 2020

Finished

Jun 2023

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

Men and women over 50 years old who have consulted at the Hematology laboratory of the Nîmes University Hospital for the occurrence or history of venous thromboembolism (Distal/proximal; Provoked/unprovoked) and who has accepted that their DNA was kept and used in the context of research on venous thromboembolism

Ages

50 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: * Men and women over 50 years old who have consulted at the Hematology laboratory of the Nîmes University Hospital for the occurrence or history of venous thromboembolism * Patient who has accepted that their DNA was kept and used in the context of research on venous thromboembolism (biobank (registration number DC-2008-290 and authorization number AC-2008-107)) Exclusion Criteria: * Patients less than 50 years old * Patient who has refused that their DNA was kept and used in the context of research on venous thromboembolism

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Conditions

The condition(s) this trial relates to.

venous thromboembolism

As listed by the trial registrant

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

Venous thromboembolism

Contacts and locations

Locations

  • CHU de Nimes

    Nîmes, France

More trials for these conditions

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