Nerve zapper may offer relief for MS-related bladder, bowel, and sexual issues — trial puts it to the test
NCT ID NCT05380856
First seen Jul 29, 2026 · Last updated Jul 30, 2026 · Updated 1 time
Summary
This trial tests whether a device called sacral neuromodulation (InterStim X) can improve bladder, bowel, and sexual function in people with multiple sclerosis who have not responded to standard treatments. Participants who show at least 50% improvement during a test period will have the device implanted and then be randomly assigned to have it turned on or off for four months. The goal is to see if the active stimulation leads to better bladder control, fewer leaks, and improved quality of life.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- sacral neuromodulation (InterStim X system) — a device that sends mild electrical pulses to the sacral nerves to improve bladder, bowel, and sexual function
- What this could lead to
- If it works, this could offer a new, non-drug option for managing bladder, bowel, and sexual problems in people with multiple sclerosis.
- What could go wrong
- This is a small, early-stage trial with only 60 participants. The placebo-controlled design means some may not benefit, and device implantation carries surgical risks.
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
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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
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About 60 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Sep 2023
- Expected to finish
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Mar 2027
An estimate. End dates often move.
- Lead sponsor
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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
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18 to 80 years
- Sex
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Anyone
- Healthy volunteers
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Not accepted
This study is not open to healthy volunteers. The entry requirements below say who it is open to.
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Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: * Refractory neurogenic lower urinary tract dysfunction (nLUTD) defined by visual analogue scale on treatment satisfaction ranging from 0 to 100 (100 means maximal satisfaction with the current treatment). All patients indicating satisfaction less than 50 are considered non-responders/having refractory overactive bladder (OAB) to current treatment * No effect of medical treatment defined by antimuscarinics, beta3-agonist and alpha-blocker. * Patients having refractory nLUTD who intend to try SNM for relief of their symptoms * Expanded Disability Status Scale (EDSS) \< 5 and no progression of neurological disease within 6 months * Written informed consent * Able to understand the information given about the project Exclusion Criteria: * EDSS \> 5, neurological disease with severe progression within the last 6 months and/or unable to manage the electronic devices * Age \< 18 years * Any other urological pathology but nLUTD * Bladder Pain Syndrome/Interstitial cystitis * Any other intestinal or gynecological pathology but neurological conditional symptoms * Current pelvic malignancy or clinically significant pelvic mass * Previous pelvis radiotherapy * Bladder injections with botulinum neurotoxin type A within 6 months before inclusion in trial * Unable to manage the electronic devices * Inability to give an informed consent
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
How to take part
Only the study team decides who joins. These are the ways to reach them.
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The places running it
1 site. The list below names each one and where it is.
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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.
Contacts and locations
Locations
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Odense University Hospital
RECRUITINGOdense, Fyn, 5000, Denmark
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Other studies related to the condition(s) this trial covers.
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