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Can a tiny zap during prostate surgery save erectile function?

NCT ID NCT07724028

Knowledge-focused Sponsor: University Medical Centre Ljubljana Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

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 This study
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Jul 23, 2026 · Last updated Jul 24, 2026 · Updated 1 time

Summary

This study tests whether low-intensity electrical stimulation of nerves near the prostate can help surgeons monitor and preserve erectile function during robot-assisted prostate removal. Twenty men with localized prostate cancer and normal erectile function will receive the stimulation during surgery. Researchers will record physical responses like penile rigidity and muscle activity to see if the technique is safe and feasible.

What this could mean

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

Active substance
Selective Neurovascular Bundle Stimulation Probe
What this could lead to
If successful, this technique could help surgeons preserve erectile function during prostate removal by providing real-time nerve monitoring.
What could go wrong
This is a very early feasibility study with only 20 participants. The stimulation method may not reliably predict nerve damage or improve outcomes.

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 20 people

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

Expected to start

Sep 2026

An estimate. Start dates often move.

Expected to finish

Aug 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.

Ages

18 years and older

Sex

Male participants only

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: * male participants aged 18 years or older; * histologically confirmed localized prostate cancer; * scheduled to undergo robot-assisted radical prostatectomy (RARP) with planned unilateral or bilateral nerve-sparing surgery; * normal preoperative erectile function, defined as an International Index of Erectile Function (IIEF) score \>20; * able and willing to provide written informed consent. Exclusion Criteria: * nerve-sparing surgery is not indicated; * previous radical prostatectomy or pelvic surgery likely to alter neurovascular bundle anatomy; * severe pre-existing erectile dysfunction, defined as an IIEF score ≤20; * contraindication to robot-assisted radical prostatectomy; * any medical, psychiatric, or other condition that, in the opinion of the investigator, could compromise participant safety, interfere with study participation, or affect interpretation of the study results.

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Conditions

The condition(s) this trial relates to.

prostate cancer

As listed by the trial registrant

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

Histologically confirmed localized prostate cancer Scheduled to undergo robot-assisted radical prostatectomy with planned unilateral or bilateral nerve-sparing surgery

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

    The full official record for this study. This one lists no contact details, but it is the first place any would appear.

    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

  • UMC Ljubljana

    Ljubljana, 1000, Slovenia