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Road map or ultrasound? small study tests safer leg artery punctures

NCT ID NCT07427108

Knowledge-focused Sponsor: Sohag 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 25, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This study compares two techniques for guiding a needle into a blocked leg artery from the opposite direction (retrograde). One uses a live X-ray map, the other uses ultrasound. Researchers want to see which is safer and more successful in 32 people with severe leg artery disease. The goal is to reduce complications like bleeding or vessel damage.

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 successful, this could show which guidance method is safer and more effective for retrograde angioplasty, potentially improving outcomes for patients with blocked leg arteries.
What could go wrong
This is a small, early feasibility study with only 32 participants, so results may not apply broadly. The comparison may not find a clear winner, and complications like bleeding or vessel damage are possible.

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 32 people

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

Started

Feb 2026

Expected to finish

Mar 2027

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: -. 1. Adults : Both male and female participants. 2. Diagnosed with critical limp threatening ischemia (CLTI): significant occlusions in the femoropopliteal o Rutherford Class 5: Non-healing wounds or ulcers 3. Failed or unable to achieve antegrade access: Patients requiring retrograde puncture for the procedure. 4. Planned intervention with retrograde access: Candidates for endovascular interventions, including angioplasty, stent deployment Exclusion criteria: • Active infection at the puncture site: Any localized infection, particularly over the ankle region , will be an exclusion. • Severe calcification or anatomical abnormalities: Patients with excessive arterial calcification or significant anatomical distortion preventing safe retrograde puncture.

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Conditions

The condition(s) this trial relates to.

limb ischemia peripheral arterial disease vascular disorder

As listed by the trial registrant

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

Peripheral arterial disease Vascular diseases

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

  • Sohag University Hospital

    RECRUITING

    Sohag, 82511, Egypt

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