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Lying down vs. sitting up: does position matter for bladder tests in MS and Parkinson's?

NCT ID NCT05949567

Knowledge-focused Sponsor: Assistance Publique - Hôpitaux de Paris Source: ClinicalTrials.gov ↗

What the study statuses mean

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Recruitment status, easiest to join first

Recruiting now This study
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
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Jun 27, 2026 · Last updated Jun 27, 2026

Summary

This study looks at whether the position a person is in during a urodynamic exam (a test that measures bladder function) affects the diagnosis of an overactive bladder in people with multiple sclerosis or Parkinson's disease. Researchers will compare results from tests done while lying down and while sitting in the same person. The goal is to see if lying down is a reliable alternative for those who cannot sit comfortably, which could lead to better testing guidelines for neurological patients.

What this could mean

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

What this could lead to
If successful, this could lead to updated guidelines allowing neurological patients to be tested lying down, making exams more accessible.
What could go wrong
This is an observational study, not a treatment trial. It may not change current practice if results show no clear difference or if the sample is too small.

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 160 people

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

Started

Apr 2024

Expected to finish

Apr 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.

Ages

18 years and older

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: * Patient with MS or neurologically confirmed Parkinson's disease, with indication for urodynamic assessment - 1st assessment * Clinical overactive bladder syndrome with USP overactive bladder sub-score \> or = 4 - Age ≥18 years * In men: no prostatic hypertrophy on ultrasonography * In women: no stress urinary incontinence (SUI); USP SUI subscore ≤ 2 * Affiliated with a social security scheme (excluding AME). * Free and informed written consent Exclusion Criteria: * Opposition to the performance of a Urodynamic exam as part of treatment

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Conditions

The condition(s) this trial relates to.

multiple sclerosis nervous system disorder overactive bladder Parkinson disease

As listed by the trial registrant

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

Neurologic disorder Urodynamic exam

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

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

    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

  • Physical and Rehabilitation Medicine Pitié Salpêtrière Hospital

    RECRUITING

    Paris, France, 75013, France

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