Can common heart drugs prevent artery blockage in diabetes?
NCT ID NCT06402747
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.
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Study facts
What this study's own registry entry says, in plain language.
- Phase
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Phase 4
Runs after approval, following long-term safety and how well the treatment works in everyday use.
- Participants
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About 120 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Apr 2024
- Expected to finish
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Jan 2027
An estimate. End dates often move.
- Lead sponsor
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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
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19 years and older
- Sex
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Anyone
- Healthy volunteers
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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 Hide 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.
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The places running it
1 site. The list below names each one and where it is.
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The official record
ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.
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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
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Seoul National University Bundang Hospital
RECRUITINGSeongnam-si, Gyeonggi-do, 13620, South Korea
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