Can a common blood thinner outsmart a hidden heart risk?

NCT ID NCT07720934

First seen Jul 22, 2026 · Last updated Jul 23, 2026 · Updated 1 time

Summary

About 1 in 5 people have genetically high levels of lipoprotein(a), a sticky fat that raises the risk of blood clots and heart disease. This pilot study asks whether one standard antiplatelet drug—aspirin or clopidogrel—is better at calming overactive platelets in these individuals. Sixty adults with high Lp(a) will take each drug for two weeks in a crossover design, and researchers will measure changes in platelet activity and related blood markers.

What this could mean

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

Active substance
aspirin and clopidogrel, two standard antiplatelet drugs
What this could lead to
If one drug proves better at reducing platelet hyperreactivity, it could point toward a more tailored prevention strategy for the 20% of people with high Lp(a).
What could go wrong
This is a small pilot study with 60 participants, so results may not apply broadly. It compares existing drugs, not a new treatment, and may not change clinical practice.

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As listed by the trial registrant

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

Contacts and locations

Study contacts

  • Contact

    Phone: •••-•••-•••• Email: •••••@•••••

Locations

  • Hopitaux Universitaires de Genève

    Geneva, 1205, Switzerland

    Contact

    Contact Phone: •••-•••-•••• Email: •••••@•••••

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