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Sound waves may catch kidney damage sooner after surgery

NCT ID NCT04144894

Diagnosis Sponsor: University of Alabama at Birmingham 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 24, 2026 · Last updated Jun 26, 2026 · Updated 1 time

Summary

This study is testing a new ultrasound technique called Shear Wave Elastography to see if it can detect acute kidney injury early after vascular surgery. Researchers will compare results from 50 healthy volunteers and surgery patients. The goal is to find a quick, non-invasive way to diagnose kidney problems sooner.

What this could mean

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

Active substance
Shear Wave Elastography (advanced ultrasound)
What this could lead to
If successful, this could provide a non-invasive way to detect kidney injury earlier after surgery, potentially improving outcomes.
What could go wrong
This is a small, early exploratory study with only 50 participants, so results may not apply broadly. The technique may not prove accurate enough for routine use.

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 50 people

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

Started

Jan 2020

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

19 years and older

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: * No history of diabetes or hypertension * Estimated Glomerular Filtration Rate \> 60 ml/min/m\^2 * Structurally normal kidney on renal ultrasound * BMI \< 27 kg/m\^2 Exclusion Criteria: * Prisoners directly admitted from a correctional facility * Children \< 19 years or under 50 kg body weight if age is unknown * Patients with end stage renal disease or preexisting glomerular filtration rate less than or equal to 30 mL/min/1.73 m\^2 or need for dialysis * Patients with end stage heart disease on the cardiac transplant list * Patients undergoing procedures without vascular surgery * All transplant patients * Patients on ventricular assist devices * Patients undergoing emergency procedures * Patients with body mass index \> 27kg/m\^2 * Any condition that would impede visualization of the kidneys by ultrasound

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Conditions

The condition(s) this trial relates to.

acute kidney injury

As listed by the trial registrant

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

Acute kidney injury

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

  • University of Alabama at Birmingham

    RECRUITING

    Birmingham, Alabama, 35249, United States

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