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Can common heart drugs prevent artery blockage in diabetes?

NCT ID NCT06402747

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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 compares two medications, clopidogrel and cilostazol, to see if they can slow down the buildup of plaque in the neck arteries of people with type 2 diabetes. The goal is to prevent future heart attacks and strokes. About 120 adults with diabetes and early signs of artery thickening will take one of the drugs for a period, and researchers will measure changes in artery thickness and blood flow.

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 4

Runs after approval, following long-term safety and how well the treatment works in everyday use.

Participants

About 120 people

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

Started

Apr 2024

Expected to finish

Jan 2027

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

19 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: * Adults with diabetes aged 19 and older * Individuals with a carotid ultrasound cIMT (carotid intima-media thickness) of 1.0mm or more * Those who have not changed their combination therapy medications (including oral hypoglycemics, antihypertensives, and lipid-lowering drugs) in the last three months * Individuals with an HbA1c level of 10% or less * Those who have voluntarily signed the written consent form and agreed to participate in the study Exclusion Criteria: * Individuals currently using antithrombotic or anticoagulant medications other than aspirin * Individuals with bleeding or conditions that may increase the risk of bleeding, such as: * Hemophilia, capillary fragility, intracranial hemorrhage, upper gastrointestinal bleeding, urinary bleeding, hemoptysis, vitreous hemorrhage, etc * Active peptic ulcer, hemorrhagic stroke within the last 6 months, surgical operations within the last 3 months, proliferative diabetic retinopathy, uncontrolled hypertension * Patients who have had cerebrovascular or cardiovascular complications within the past 6 months (including stroke, transient ischemic attacks, myocardial infarction, unstable angina, coronary artery bypass graft, or percutaneous coronary intervention) * Patients with severe renal or hepatic diseases * Patients with congestive heart failure * Individuals with a history of hypersensitivity to the drug or its components * Pregnant women or women who may be pregnant * Women who are breastfeeding or plan to breastfeed during the study

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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.

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

  • Seoul National University Bundang Hospital

    RECRUITING

    Seongnam-si, Gyeonggi-do, 13620, South Korea

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