Blood thinner may keep wrist arteries open after heart procedure

NCT ID NCT04374799

First seen Jun 27, 2026 · Last updated Jun 27, 2026

Summary

This study tests whether giving heparin (a blood thinner) during heart catheterization through the wrist can prevent the radial artery from becoming blocked afterward. About 1,600 patients will be randomly assigned to receive no anticoagulant, a low dose, or a high dose of heparin. The main goal is to see if heparin reduces artery blockage, while also checking for bleeding and other complications.

What this could mean

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

Active substance

Heparin

What this could lead to

If it works, this could show that a simple blood thinner prevents artery blockages after a common heart procedure.

What could go wrong

This is a large trial, but heparin is already widely used; the benefit over placebo may be small. Bleeding risks are a concern.

Disclaimer Read more

This is a summary of the original study . Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.

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Conditions

The condition(s) this trial relates to.

heart disorder

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

  • Hamilton Health Sciences

    RECRUITING

    Hamilton, Ontario, Canada

    Contact

    Contact

  • London Health Sciences Centre

    RECRUITING

    London, Ontario, N6A5A5, Canada

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

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

    Contact