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Which arm artery approach lowers radiation for heart doctors?

NCT ID NCT05702060

Knowledge-focused Sponsor: Yonsei University Source: ClinicalTrials.gov ↗

What the study statuses mean

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Recruitment status, easiest to join first

Recruiting now
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 This study
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 26, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This study compared radiation exposure to doctors during heart procedures (coronary angiography and stenting) using two different arm artery approaches: the left distal radial artery and the conventional right radial artery. Over 1,000 patients participated. The goal was to see if one approach reduces radiation exposure for the operator, which could improve safety for medical staff.

What this could mean

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

What this could lead to
If this approach reduces radiation exposure, it could lead to safer working conditions for doctors performing heart procedures.
What could go wrong
This is a completed study comparing two techniques, not testing a new treatment. The results may not apply to all patients or settings.

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

1,010 people

The number who actually took part.

Started

Jan 2023

Finished

Jul 2025

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 20 years or older 2. Patients scheduled for coronary angiography and intervention Exclusion Criteria: 1. When the pulse of the Left distal radial artery cannot be palpated 2. When the pulse of the right conventional radial artery cannot be palpated 3. In case of arteriovenous fistula 4. Acute myocardial infarction (AMI) patients 5. In case femoral artery access must be performed (state of shock, etc.) 6. In case of atrioventricular block 7. When an ergonovine provocation test is required 8. When the patient refuses to consent to the study 9. a pregnant or nursing woman

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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

Contacts and locations

Locations

  • Chung-Ang University Gwangmyeong Hospital

    Gwangmyeong, Gyeonggi-do, CVFP+R9, South Korea

  • Wonju Severance Christian Hospital

    Wŏnju, Gangwon-do, 8WXW+93, South Korea

  • Yongin Severance Hospital

    Yongin, Gyeonggi-do, 74CX+97, South Korea

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