Painless ultrasound could replace invasive bladder tests

NCT ID NCT05652023

Diagnosis Sponsor: Mayo Clinic Source: ClinicalTrials.gov ↗

First seen Jun 27, 2026 · Last updated Jun 27, 2026

Summary

This study tests a new ultrasound method to measure bladder function without invasive procedures. Researchers at Mayo Clinic will compare the new technique to standard tests in adults with bladder issues or enlarged prostate. The goal is to see if this painless approach can accurately diagnose problems and help guide treatment decisions.

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Study facts

What this study's own registry entry says, in plain language.

Participants

About 2,023 people

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

Started

Apr 2023

Expected to finish

Dec 2028

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.

Who is studied

Aim 1:Cohort: Adults (male and female) with non-neurogenic lower urinary tract symptoms from one of the following conditions/symptoms: overactive bladder, benign prostatic hyperplasia, urinary frequency, incomplete bladder emptying, decreased force of urinary stream. N=200 Aim2:Cohort: Male adults with non-neurogenic lower urinary tract symptoms secondary to benign prostatic

Ages

18 to 90 years

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: * Aim1: Age \>18 scheduled to undergo UDS for their clinical care for one of the included diagnoses. -Aim2: Inclusions: Age \>45 scheduled to undergo selective photovaporization of the prostate. Exclusion Criteria: * Aim1:Obesity (BMI \>35kg/m2), known neurologic disease impacting bladder function (e.g. spinal cord injury, multiple sclerosis, Parkinson's, prior cerebrovascular accident), previous pelvic radiation therapy, previous radical pelvic surgery (such as for uterine or colorectal cancer), prior bladder surgery (including prostate resection), and pregnant or breast-feeding women. * Aim2:Obesity (BMI \>35kg/m2), known neurologic disease impacting bladder function (e.g. spinal cord injury, multiple sclerosis, Parkinson's, prior cerebrovascular accident), previous pelvic radiation therapy, previous radical pelvic surgery (such as colorectal cancer).

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Conditions

The condition(s) this trial relates to.

benign prostatic hyperplasia overactive bladder urinary bladder disorder

As listed by the trial registrant

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

Bladder dysfunction BPH with urinary obstruction Overactive bladder

How to take part

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

The places running it

1 site. The list below names each one and where it is.
The official record

ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.

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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.

Painless ultrasound could replace invasive bladder tests

What the study statuses mean