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Which wrist access lowers radiation for heart doctors? new trial aims to find out

NCT ID NCT07579169

Knowledge-focused Sponsor: Yonsei University 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Jul 09, 2026 · Updated 2 times

Summary

This study compares how much radiation doctors are exposed to during heart procedures (PCI) when using the left distal wrist versus the right wrist for artery access. About 748 patients scheduled for PCI will take part. The goal is to see if the left wrist approach reduces radiation exposure to the doctor's head, chest, and wrist.

What this could mean

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

Active substance
Radial Artery Puncture Method for Coronary Angiography and Intervention
What this could lead to
If successful, this could show that using the left distal wrist approach reduces radiation exposure for doctors during heart procedures, potentially improving safety.
What could go wrong
This is an early-stage study focused on operator safety, not patient outcomes. Results may not change practice if crossover rates or procedural challenges are high.

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 748 people

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

Started

Jun 2026

Expected to finish

Apr 2029

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

20 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: 1. Patients aged 19 years or older 2. Patients scheduled for PCI Exclusion Criteria: 1. Non-palpable left distal radial artery pulse 2. Non-palpable right radial artery pulse 3. Presence of arteriovenous fistula 4. Need for femoral access as determined by the investigator 5. Refusal to provide informed consent 6. Pregnant or breastfeeding women

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Conditions

The condition(s) this trial relates to.

coronary artery disorder

As listed by the trial registrant

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

Radiation exposure

How to take part

Only the study team decides who joins. These are the ways to reach them.

  1. The places running it

    4 sites in 2 countries. 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

  • Jeonbuk National University Hospital

    NOT_YET_RECRUITING

    Jeonju, Jeollabuk-do, 54907, South Korea

  • Kyungpook National University College Hospital

    NOT_YET_RECRUITING

    Daegu, Gyeongsangnam-do, 136-705, South Korea

  • National Cerebral and Cardiovascular Center, Osaka, Japan

    NOT_YET_RECRUITING

    Osaka, Japan

  • Yongin Severance Hospital, Yonsei University

    RECRUITING

    Yongin-si, Gyeonggi-do, 16995, South Korea

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