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Could skipping routine heparin be safer for heart patients?

NCT ID NCT06981624

Prevention Sponsor: Olivier F. Bertrand Source: ClinicalTrials.gov ↗

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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 tests whether giving the blood thinner heparin only when needed, instead of routinely, can prevent radial artery occlusion after a heart catheterization procedure. Researchers will enroll 500 patients and compare rates of artery patency, bleeding, and nursing time. The goal is to see if a selective approach works just as well with fewer side effects.

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 successful, this could show that giving heparin only when needed is just as effective as routine use, potentially reducing unnecessary medication and nursing workload.
What could go wrong
This is a moderate-sized trial (500 participants) comparing two strategies, not a new drug. The results may not change standard practice if selective heparin leads to more occlusions or complications.

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

Not a phased trial

Phase numbers describe drug development. The registry uses this when they do not apply, as it does for trials of devices, procedures or behaviour changes, and for observational studies.

Participants

About 500 people

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

Started

May 2025

Expected to finish

Dec 2026

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

18 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: * Any patient referred for a diagnostic transradial catheterism Exclusion Criteria: * Unable to understand study design or provide informed consent * Unable to receive antiplatelet therapy with aspirina and/or clopidogrel-prasugrel and/or ticagrelor and intravenous anticoagulant derived from heparine or bivalirudine * Local condition such as hematoma or pseudo-aneurims precluding radial or ulnar access. * Presence of plethysmographic waveform with simultaneous radial and ulnar occlusive compression (due to colaterals or interouseous artery) precluding the evaluation of patent hemostasis.

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Conditions

The condition(s) this trial relates to.

arterial occlusion Arterial Occlusive Diseases

As listed by the trial registrant

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

Radial artery occlusion

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

  • IUCPQ

    RECRUITING

    Québec, Quebec, G1V4G5, Canada

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