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Personalizing blood thinners after carotid stenting could prevent heart attacks and strokes

NCT ID NCT05566301

Disease control Sponsor: IRCCS Policlinico S. Donato Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now This study
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 Results may not be published yet.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
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This status has not been confirmed recently, so it may be out of date.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 Jul 02, 2026 · Last updated Jul 02, 2026

Summary

This study looks at people with narrowed carotid arteries who are getting a stent. Some people do not respond well to the common blood thinner clopidogrel. The study compares giving these 'non-responders' a different drug, ticagrelor, versus continuing clopidogrel in those who respond. Researchers will track deaths, major heart events, and bleeding for up to three months after the procedure.

What this could mean

Our plain-language read of the trial. This is informational only, not medical advice or a prediction.

Active substance
Clopidogrel and Ticagrelor
What this could lead to
If successful, this could help doctors choose the right antiplatelet drug for each patient, potentially reducing heart attacks, strokes, and bleeding after carotid stenting.
What could go wrong
This is an observational study, not a randomized trial, so results may show associations but not prove cause. The findings may not apply to all patients or settings.

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

About 1,140 people

The number the study aims to enrol. It can still change while the study runs.

Started

Sep 2021

Expected to finish

Dec 2030

An estimate. End dates often move.

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

Patients who undergo carotid stenting for a significant carotid stenosis and who are treated with dual antiplatelet therapy using ASA + clopidogrel

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: * adult patients (age\> 18 years) * patients who have given their consent to participate in the study, belonging to the U.O. of Vascular Surgery of the IRCCS Policlinico San Donato and the U.O. of Vascular Surgery of the participating centers and subjected to the treatment of carotid stenosis by stenting technique. Exclusion Criteria: * underage patients * patients who have not given their consent to participate in the study, * patients who have carotid stenosis not susceptible to intervention by stenting * pregnant or lactating women (such as situations in which carotid stenting is contraindicated regardless of the execution of the study).

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Conditions

The condition(s) this trial relates to.

carotid stenosis

As listed by the trial registrant

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

Carotid stenosis Clopidogrel, poor metabolism of

How to take part

Only the study team decides who joins. These are the ways to reach them.

  1. The places running it

    1 site. The list below names each one and where it is.

  2. The official record

    ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.

    Open the record ↗

  3. 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

  • IRCCS Policlinico San Donato

    RECRUITING

    San Donato Milanese, Milan, 20097, Italy

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