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Neurogenic Lower Urinary Tract DysfunctionNCT02449512

Somatosensory Evoked Potentials From the Lower Urinary Tract

An observational study of Neurogenic Lower Urinary Tract Dysfunction, run by Swiss Paraplegic Research, Nottwil at 1 site in Switzerland.

Withdrawn

Withdrawn. The study stopped before anyone enrolled.

Official record
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Trial summary

Spinal cord injury and other systemic neurological diseases (Multiple Sclerosis, Parkinson's disease) affect the integrity of lower urinary tract (LUT) function, leading to neurogenic lower urinary tract dysfunction (NLUTD). The urodynamic investigation is the current "gold-standard" for evaluating LUT function. Read more about this study

Who is it for?
Ages 18 to 99 years
How many people
0 participants
Where
1 siteSwitzerland
Study dates
Jan 2026to Dec 2028
Phase
Observational
Are there results?
None posted in the registry

Key requirements

Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.

  • Ages 18 to 99 years
  • All sexes
  • No healthy volunteers
  • Adult, Older adult

Study population: individuals with neurogenic lower urinary tract dysfunction as a result of spinal cord injury

Who may be able to join

  • Informed Consent as documented by signature
  • Chronic SCI of a minimum of 1 year
  • Aetiology of SCI: traumatic

Who cannot join

  • Age < 18 years or > 70 years
  • Aetiology of SCI: non-traumatic
  • History of bleeding disorder
  • History of chronic neuropathic pain
  • Intravesical botulinum toxin injections < 12 months ago
  • Bladder management using indwelling catheters (suprapubic, transurethral)
Show all 14Show fewer
  • Bladder augmentation
  • Sacral deafferentation
  • Sacral neuromodulation
  • Acute, symptomatic urinary tract infection
  • Pregnancy
  • Urolithiasis
  • Bladder cancer
  • Exclusion criteria for MRI (cardiac pace maker, implanted metal etc.)

Trial locations and contacts

1 site in 1 country.

Switzerland1 site
  • Swiss Paraplegic Centre

    Nottwil, Canton of Lucerne, CH-6207

Other trials in Switzerland

About this study

Official title: Somatosensory Evoked Potentials From the Lower Urinary Tract in Individuals With Neurogenic Lower Urinary Tract Dysfunction as a Result of Spinal Cord Injury

Spinal cord injury and other systemic neurological diseases (Multiple Sclerosis, Parkinson's disease) affect the integrity of lower urinary tract (LUT) function, leading to neurogenic lower urinary tract dysfunction (NLUTD). The urodynamic investigation is the current "gold-standard" for evaluating LUT function. Nevertheless, the sensory situation of the LUT cannot be investigated objectively. Furthermore, the current classification of the severity of the NLUTD due to spinal cord injury (SCI) does not represent the sensory situation of the LUT. Additional investigations therefore need to be established for assessing the sensory situation of the LUT. Somatosensory evoked potentials (SEPs) are an established method for investigating the processing of sensory nervous activity. However, SEPs from the LUT of SCI individuals have not yet been investigated.

A novel technique, i.e. diffusion tensor imaging (DTI), allows to process magnetic resonance images (MRI) in order to visualize nerve fibers. Using DTI, the innervation of the bladder after SCI can be visualized. The structural presentation of bladder innervation will be compared with the functional results, i.e. the SEP of the LUT in SCI individuals.

Read more

The primary objective of the proposed study is to elicit and characterize (latency, amplitude) the somatosensory evoked potentials (SEPs) from the bladder in individuals suffering from neurogenic lower urinary tract dysfunction as a result of spinal cord injury.

Furthermore, the SEPs from the bladder will be compared with the SEPs from peripheral nerves (N. tibialis, N. pudendus, N. medianus).

Moreover, the latency and amplitude of the SEPs from the bladder of individuals with somato-sensory complete spinal cord injury will be compared with those from the bladder of individuals with somato-sensory incomplete spinal cord injury.

Finally, the structural innervation of the bladder after SCI will be compared with the remaining sensory function.

What participants receive

What participants receive. In a randomised study each person is assigned to one group by chance.

Study groups in NCT02449512
Study groupRoleWhat they receive
completeindividuals with somato-sensory complete spinal cord injury
incompleteindividuals with somato-sensory incomplete spinal cord injury

What is being measured

The primary outcome is the main question the study is designed to answer.

  1. occurrence of somatosensory evoked potentials from the bladder

    Measured: within 1 week after enrollment into study

Secondary outcomes (5)
  1. latency of somatosensory evoked potentials

    Measured: within 1 week after enrollment into study

  2. peak-to-peak amplitude of somatosensory evoked potentials

    Measured: within 1 week after enrollment into study

  3. nerve fiber density around bladder

    Measured: within 1 week after enrollment into study

  4. fractional anisotropy of nerve fibers around bladder

    Measured: within 1 week after enrollment into study

  5. apparent diffusion coefficient of nerve fibers around bladder

    Measured: within 1 week after enrollment into study

Timeline

From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.

  1. First posted20 May 2015 (estimated)
  2. Study startJan 2026 (estimated)
  3. Primary completionJun 2028 (estimated)
  4. Study completionDec 2028 (estimated)

Why it stopped: Funding issues

Resources

More details

For doctors and researchers: how the study is designed, who runs it, and its registry IDs.

Study design
Study type
Observational
Observational model
Cohort
Time perspective
Cross-sectional
Enrolment
0 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT02449512
Sponsor's protocol ID
2014-20
Status last verified
Jul 2025
First submitted
15 May 2015
Last updated
31 Jul 2025
Results posted
No
Data monitoring committee
No
Individual data sharing
No

Questions about this trial

What is this clinical trial studying?

An observational study of Neurogenic Lower Urinary Tract Dysfunction, run by Swiss Paraplegic Research, Nottwil at 1 site in Switzerland.

The full registered description is in the About this study section and the official record.

Who may be eligible to take part?

The sponsor lists 3 inclusion and 14 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.

Is this clinical trial currently recruiting?

The record says: withdrawn, as of the sponsor's last update on 31 Jul 2025. Status can change between updates, so confirm with the study contact before making plans.

Where is the study taking place?

The record lists 1 site in Switzerland. Whether a site is taking part right now should be confirmed with that site. See every site.

What are the possible benefits and risks?

They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.

Are results available for this study?

The study was withdrawn before enrolling participants, so there are no results.

How can a doctor refer a patient or contact the research team?

The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.

What does the primary outcome measure?

occurrence of somatosensory evoked potentials from the bladder (time frame: within 1 week after enrollment into study). It is what the study was designed to measure, not a finding.

Where can I read the original study information?
Does a listing mean the treatment is approved or proven to work?

No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.

How often is this information updated?

AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 31 Jul 2025.

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