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Does artery depth decide the best way to insert a wrist line?

NCT ID NCT07801807

Knowledge-focused Sponsor: Saglik Bilimleri Universitesi Gazi Yasargil Training and Research Hospital 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Sep 03, 2026 · Last updated Sep 04, 2026 · Updated 1 time

Summary

This trial compares two ultrasound-guided techniques for placing a small tube into the radial artery at the wrist, a common step during surgery to monitor blood pressure. Researchers will randomly assign adult patients to receive either the short-axis/out-of-plane or long-axis/in-plane method. Before the procedure, they will measure how deep the artery sits below the skin to see if that depth influences which technique works better. The study tracks success rates, including first-attempt success, number of needle sticks, time to success, and complications.

What this could mean

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

Active substance
Ultrasound-guided radial artery cannulation using either the short-axis/out-of-plane or long-axis/in-plane technique
What this could lead to
If one technique proves more reliable, especially for arteries at certain depths, it could help doctors choose the best method for each patient and reduce failed attempts and complications.
What could go wrong
This is a single-center trial with 144 participants, so results may not apply to all patients or settings. The outcome depends on operator skill, and the study does not test long-term effects.

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 144 people

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

Expected to start

Aug 2026

An estimate. Start dates often move.

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.

nclusion Criteria: Age 18 years or older Patients with an indication for radial artery cannulation for invasive arterial monitoring Undergoing a surgical or interventional procedure Radial artery suitable for visualization by ultrasound Provision of written informed consent Exclusion Criteria: Age younger than 18 years Infection, burn, scar, or skin lesion at the planned cannulation site Previous vascular surgery involving the study extremity Advanced peripheral arterial disease or radial artery occlusion Inadequate collateral circulation as assessed by the Allen test or ultrasound Severe coagulopathy Presence of an arteriovenous fistula in the study extremity Severe hemodynamic instability Multiple previous failed radial artery cannulation attempts in the same extremity Pregnancy Allergy to ultrasound gel Refusal to participate in the study

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As listed by the trial registrant

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

Radial artery cannulation

How to take part

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

  1. The places running it

    2 sites. 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

  • Dicle University Faculty of Medicine

    RECRUITING

    Diyarbakır, Diyarbakır, Turkey (Türkiye)

  • Gazi Yasargil Training and Research Hospital

    RECRUITING

    Diyarbakır, Turkey (Türkiye)

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