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Sound waves could spot hidden artery disease without needles or radiation

NCT ID NCT06952543

Diagnosis Sponsor: Mayo Clinic 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 at Mayo Clinic is testing a new, non-invasive ultrasound technique to detect peripheral arterial disease (PAD) earlier and more easily. Researchers will compare the ultrasound results with standard tests like ankle-brachial index and CT scans. The study includes 400 people with PAD symptoms and healthy volunteers, aiming to see if this method can also track disease changes after treatment.

What this could mean

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

Active substance
Ultrasound imaging with Angio Flow Reactivity Analysis (AFRA)
What this could lead to
If successful, this could provide a simple, non-invasive way to diagnose peripheral artery disease earlier and track how well treatments are working.
What could go wrong
This is an early-stage diagnostic study, not a treatment trial. The new ultrasound method may not prove more accurate than existing tests like the ankle-brachial index.

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 400 people

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

Started

Mar 2025

Expected to finish

Aug 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

18 to 75 years

Sex

Anyone

Healthy volunteers

Accepted

You do not need to have the condition being studied to take part.

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: Patient volunteers: * Male and Female, ages 18 years old and up * Symptom of claudication and suspected for PAD * Scheduled for vascular testing. Healthy volunteers: * Male and female, ages 18-75 years old and up * Normal BMI * No history of smoking, cardiovascular disease, or diabetes. Exclusion Criteria: Patient volunteers: * Patients with gangrene * Patients having surgery or stent * Patients with ulcer on their leg * Any health condition that does not allow proper use of ultrasound scanning * People considered in "vulnerable" populations. Healthy volunteers: * Include volunteers with BMI not more than 30 * No history of smoking * No history of (diabetes, hypertension, cardiovascular diseases) * People considered in "vulnerable" populations.

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Conditions

The condition(s) this trial relates to.

peripheral arterial disease

As listed by the trial registrant

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

Peripheral arterial disease

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

  • Mayo Clinic in Rochester

    RECRUITING

    Rochester, Minnesota, 55905, United States

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