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Nerve zaps for bladder troubles: a hidden effect on heart rhythms?

NCT ID NCT07781033

Knowledge-focused Sponsor: Centre Hospitalier de Roubaix Source: ClinicalTrials.gov ↗

What the study statuses mean

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Recruitment status, easiest to join first

Recruiting now
This trial is taking on new participants right now.
Not yet recruiting This study
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Aug 24, 2026 · Last updated Aug 25, 2026 · Updated 1 time

Summary

This study looks at whether transcutaneous electrical nerve stimulation (TENS), a treatment for overactive bladder, also affects the autonomic nervous system—the part of the body that controls heart rate and stress responses. Researchers will measure heart rate variability in adult women before and after 12 weeks of TENS sessions. The goal is to see if this bladder therapy has broader effects on the body's automatic functions.

What this could mean

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

Active substance
transcutaneous electrical nerve stimulation (TENS)
What this could lead to
If this works, it could reveal how nerve stimulation for overactive bladder also influences the body's automatic nervous system, potentially guiding more targeted treatments.
What could go wrong
This is a small, early observational study, so results may not apply broadly. It measures a biomarker (heart rate variability) rather than direct symptom improvement, and the effect on the autonomic nervous system may be minimal or inconsistent.

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 70 people

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

Expected to start

Oct 2026

An estimate. Start dates often move.

Expected to finish

Oct 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

Female 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: * Female * Adult patient aged 18 years or older * Clinical diagnosis of overactive bladder made by a urologist or gynecologist with no identified cause * Eligible for transcutaneous tibial nerve stimulation (TTNS) or interferential stimulation (IF) as part of the management of non-neurogenic overactive bladder * Body mass index (BMI) ≤ 30 kg/m² * Able to understand and complete the study questionnaires independently * No objection to participating in the study. Exclusion Criteria: * Neurogenic overactive bladder. * Local irritative factors, such as bladder stones, bladder tumors, or urinary tract infection. * Previous treatment with transcutaneous tibial nerve stimulation (TTNS). * Previous treatment with interferential stimulation (IF). * Contraindications to electrical stimulation, including: cancer, Pacemaker, Pregnancy, Conductive prosthetic material in the area of stimulation, Heart disease, Epilepsy, Active phlebitis or thrombophlebitis, Skin lesions in the treatment area * Use of anticholinergic medication during the previous three weeks * Objection to participating in the study.

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Conditions

The condition(s) this trial relates to.

overactive bladder

As listed by the trial registrant

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

Overactive bladder (OAB)

How to take part

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  1. 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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