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Ultrasound probe turned on a hidden nerve

NCT ID NCT06021782

Diagnosis Sponsor: University of Virginia Source: ClinicalTrials.gov ↗

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Recruitment status, easiest to join first

Recruiting now
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 This study
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 25, 2026 · Last updated Sep 25, 2026

Summary

Researchers at the University of Virginia are testing whether transvaginal ultrasound can show the pudendal nerve, a structure that doctors usually locate by feel during nerve blocks. The study enrolls 24 people already scheduled for a transvaginal ultrasound or pelvic floor surgery. Sonographers scan the vaginal walls and use bony and blood vessel landmarks near the ischial spine to look for the nerve. The goal is to learn whether the nerve can be seen at all with standard ultrasound equipment.

What this could mean

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

Active substance
transvaginal ultrasound imaging of the pudendal nerve
What this could lead to
If it works, doctors could see the pudendal nerve on an ultrasound screen and place nerve blocks with more precision than blind landmark methods allow.
What could go wrong
This is a small feasibility study with 24 participants, so it may show the nerve is hard to see clearly or that the approach does not work well enough to replace current methods.

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.

Participants

About 24 people

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

Started

May 2021

Expected to finish

Dec 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.

Who is studied

Patient scheduled to undergo transvaginal ultrasound at the Fetal Care Center (FCC) or Gynecology clinic. Or patients undergoing pelvic floor surgery at either the Main OR or outpatient surgery center at UVA will be included. This includes surgeries performed by surgeons in the Department of OBGYN, Division of Pelvic Medicine and Reconstructive Surgery, and includes surgeries for repair of prolapse, urinary incontinence, fistula, urethral diverticulum, or other pelvic floor issues.

Ages

18 years and older

Sex

Female participants only

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: * Scheduled to undergo transvaginal ultrasound at the Fetal Care Center (FCC) or Gynecology clinic * Patients undergoing pelvic floor surgery at either the Main OR or outpatient surgery center at UVA will be included. This includes surgeries performed by surgeons in the Department of OBGYN, Division of Pelvic Medicine and Reconstructive Surgery, and includes surgeries for repair of prolapse, urinary incontinence, fistula, urethral diverticulum, or other pelvic floor issues. * \>18 years age * English-speaking Exclusion Criteria: • Refusal to participate

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As listed by the trial registrant

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

Anesthesia

Contacts and locations

Locations

  • University of Virginia

    Charlottesville, Virginia, 22903, United States

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