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Heart stent patients: could a tailored blood thinner dose prevent clots and bleeding?

NCT ID NCT07582835

Disease control Sponsor: Cardiocentro Ticino 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Jun 27, 2026 · Last updated Jun 27, 2026

Summary

This study looks for the best type and dose of blood thinner (P2Y12 inhibitor) for people who have had a heart stent placed. After an initial period on two blood thinners, patients switch to one. The goal is to find a dose that keeps blood clotting at a safe level—not too high (which could cause a heart attack) and not too low (which could cause bleeding). The trial will test reduced doses of ticagrelor and prasugrel against standard clopidogrel in 355 adults.

What this could mean

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

Active substance
Clopidogrel, ticagrelor, prasugrel (antiplatelet drugs)
What this could lead to
If successful, this could help doctors choose the best drug and dose for long-term heart patients, reducing both heart attacks and dangerous bleeding.
What could go wrong
This is a single-center study with only 355 participants, so results may not apply to everyone. The optimal dose found may still not work for all patients.

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.

Phase

Phase 3

Large-scale testing in a bigger group. Usually the last step before a treatment can be approved.

Participants

About 355 people

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

Expected to start

Apr 2026

An estimate. Start dates often move.

Expected to finish

Apr 2028

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.

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: * Age ≥18 years * Prior (≥3 months) ACS and/or PCI * Eligible for P2Y12 inhibitor monotherapy after an uneventful DAPT course * Free from ischemic (i.e. any new episode of ACS, symptomatic restenosis, stent thrombosis, stroke, any revascularization requiring prolonged DAPT) and/or bleeding events (defined as BARC ≥ 2) for at least 3 months * Written informed consent. Exclusion Criteria: * Unconscious patients * Unable to provide written informed consent * Under judicial protection, tutorship or curatorship * Unable to understand and follow study-related instructions or unable to comply with study protocol * Known hypersensitivity or allergy to clopidogrel, ticagrelor or prasugrel * Severe hepatic impairment * Haemoglobin level \<10 g/dL or platelet count \<100 000 cells/mL * Pregnant or breastfeeding women * Life expectancy less than 1 year * Active participation in another interventional trial * Need for concomitant oral anticoagulation * History of intracranial haemorrhage (anytime), transient ischemic attack or stroke within 3 months * PCI for in-stent restenosis or stent thrombosis at index PCI or within 6 months before randomization

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Conditions

The condition(s) this trial relates to.

acute coronary syndrome coronary artery disorder

As listed by the trial registrant

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

Acute coronary syndromes Antiplatelet therapy Coagulation factors Coronary artery disease Percutaneous coronary intervention Single antiplatelet therapy

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

  • Istituto Cardiocentro Ticino

    RECRUITING

    Lugano, Ch/ti, 6900, Switzerland

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