Cryptogenic Stroke: STOP Trial on Blood Thinners

We are studying whether stopping blood thinners is as safe as continuing them for young people after a stroke with no known cause. This research may help understand the best approach to prevent future heart problems.

>2 years Monitoring phase (IV)No Placebo Partially Remote Standard Medicines OralCardiologyNeurology

What diseases are being studied?

Health conditions and diseases that the clinical trial is designed to study and treat.

Who can participate in the clinical trial?

These questions help us understand your situation so we can let the trial team know whether you might be a potential match. This is not a medical evaluation and is not part of the official screening, the study doctor will make the final decision..

What medicines are being studied?

Medicines that are officially approved for use in the European Union and considered safe by EMA. These medicines are already on the market and may be tested for new conditions or populations.

Clopidogrel Viatris

Clopidogrel Viatris is a medicine that helps prevent harmful blood clots to reduce the risk of heart attack and stroke.

Plavix

Plavix is a medicine that helps prevent harmful blood clots and lowers the risk of heart attack and stroke.

What active substances are being studied?

Active substances that are officially approved for use in the European Union and considered safe by EMA. These substances are already on the market and may be tested for new conditions or populations.

Acetylsalicylic Acid

Acetylsalicylic acid is a substance that reduces pain, fever, and inflammation and can help prevent blood clots.

Carbasalate Calcium

Carbasalate calcium is a substance that reduces pain and fever and helps prevent blood clots by stopping platelets from clumping.

Clopidogrel

Clopidogrel is a substance that helps prevent blood clots by stopping platelets from sticking together, lowering the risk of heart attack and stroke.

What similar medicines might you know?

Don't worry if you don't know the medicines tested in the trial. There is a chance you have heard about the similar medicines. Check the list below to see if you are familiar with any of them.

Aclop

Adagrel

Where is the clinical trial being conducted?

Locations and medical facilities where this clinical trial is currently recruiting or conducting research. Select the locations where you would like to participate.

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Jeroen Bosch Ziekenhuis Stichting

Neurology

's-Hertogenbosch, Netherlands

Academisch Medisch Centrum

Neurology

Abcoude, Netherlands

Stichting OLVG

Neurology

Amsterdam, Netherlands

Sponsor: Stichting Radboud universitair medisch centrum

Last updated: Nov 27, 2025

Disclaimer: Parts of this content have been automatically extracted from the EU Clinical Trials registry. While we strive for accuracy, please always contact the trial site or sponsor directly for correct and official information before making any decisions about participation. View on EU Clinical Trials.