Spinal Cord Injury, AcuteTASCINCT03965299
Transcutaneous Tibial Nerve Stimulation in Acute Spinal Cord Injury
A study testing VERUM TTNS in people with Spinal Cord Injury, Acute, run by University of Zurich at 4 sites in Switzerland.
Trial summary
Most patients with spinal cord injury (SCI) develop neurogenic lower urinary tract dysfunction (NLUTD), one of the most devastating sequelae of SCI which ultimately can lead to renal failure. We urgently need an intervention that prevents NLUTD before irreversible damage occurs. Read more about this study
- Who is it for?
- Ages 18 years and older
- Conditions the study is for
- Spinal Cord Injury, Acute
- What is being tested?
- VERUM TTNS
- Type of treatment
- Medical device
- Could I receive a placebo?
- Yes, some participants may receive a placebo
- How many people
- 114 participants
- Where
- 4 sitesSwitzerland
- Study dates
- 19 Jun 2019to 30 Sep 2028
- Phase
- Interventional
- Are there results?
- Not yet: the study is under way
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 years and older
- All sexes
- No healthy volunteers
- Adult, Older adult
Who may be able to join
- Age >18 years
- Patients with acute SCI (traumatic SCI and sudden onset (<7 days) non-traumatic SCI) within 40 days after injury
- Patients with acute SCI at cervical or thoracic level
- Willing to take part and follow the requirements of the TASCI protocol (up to one year after SCI)
- no percutaneous tibial nerve stimulation (PTNS)
- no functional electrical stimulation (FES), apart from upper limb FES
- no electrical muscle stimulation (EMS)
- Informed Consent
Who cannot join
- Contraindications to the investigational product
- DO with contractions greater than 40 cmH2O at a bladder filling volume of less than 500mL at baseline visit
- Treatment with antimuscarinics or with mirabegron
- Known or suspected non-adherence, drug or alcohol abuse
- Inability to follow the procedures of the study, e.g. due to language problems, psychological disorders, dementia, etc. of the participant
- Participation in another study with investigational drug or product within the 30 days preceding and during the present study
Show all 14Show fewer
- Neuromodulation treatment for urological or bowel indication in the last six months or ongoing
- Botulinum toxin injections in the detrusor and/or urethral sphincter in the last six months
- Bilaterally absent tibial nerve compound muscle action potential (cMAP, amplitude < 1mV)
- Women who are pregnant or breast feeding
- Intention to become pregnant during the course of the study
- Individuals especially in need of protection (according to Research with Human Subjects published by the Swiss Academy of Medical Sciences [www.samw.ch/en/News/News.html])
- Enrolment of the investigator, his/her family members, employees and other dependent persons
- Pre-existing or concomitant medical condition apart from SCI that might pose a safety issue or would interfere with interpretation of study results or study conduct (e.g. Parkinson's disease, neurodegenerative disorders including multiple sclerosis and amyotrophic lateral sclerosis, urological malignancies)
Trial locations and contacts
4 sites in 1 country. Contact the study team or a site near you to ask about taking part.
Switzerland4 sites, 4 recruiting
- Recruiting
REHAB Basel
Basel
Sandra Möhr, pract. med., s.moehr@rehab.ch
Sandra Möhr, pract. med.
- Recruiting
Swiss Paraplegic Centre
Nottwil
Jürgen Pannek, Prof. Dr. med., juergen.pannek@paraplegie.ch
Jürgen Pannek, Prof. Dr. med.
- Recruiting
Spinal Cord Injury Department, Clinique romande de réadaption
Sion
Xavier Jordan, Dr. med., xavier.jordan@crr-suva.ch
Xavier Jordan, Dr. med.
- Recruiting
Department of Neuro-Urology, Spinal Cord Injury Centre & Research, Balgrist University Hospital
Zurich, Canton of Zurich, 8008
Thomas M Kessler, Prof. Dr. med., +41 44 386 39 07, thomas.kessler@balgrist.ch
Thomas M Kessler, Prof. Dr. med.
About this study
Official title: Transcutaneous Tibial Nerve Stimulation in Patients With Acute Spinal Cord Injury to Prevent Neurogenic Detrusor Overactivity: A Nationwide Randomised, Sham-controlled, Double-blind Clinical Trial
Most patients with spinal cord injury (SCI) develop neurogenic lower urinary tract dysfunction (NLUTD), one of the most devastating sequelae of SCI which ultimately can lead to renal failure. We urgently need an intervention that prevents NLUTD before irreversible damage occurs. Neuromodulation procedures are a promising avenue so that we investigate the effect of transcutaneous tibial nerve stimulation (TTNS) in patients with acute SCI.
This nationwide randomized, sham-controlled, double-blind multicentre clinical trial includes all SCI centres in Switzerland (Basel, Nottwil, Sion, Zürich). Patients are randomly assigned to VERUM TTNS (active stimulation, n=57) and SHAM stimulation (n=57) groups in a 1:1 allocation using computer-generated permuted block randomisation lists stratified on study centre and lower extremity motor score. Daily 30-minute sessions are performed five times a week during an intervention period of 6-9 weeks. The primary outcome of this study is the success of TTNS to prevent neurogenic DO jeopardizing the upper urinary tract, assessed by urodynamics at 1 year after SCI or any earlier time point if DO treatment is necessary (study end). Secondary outcome measures are bladder diary parameters, clinical symptom scores assessed by standardized and validated questionnaires. Furthermore, neurophysiological and neuroimaging outcome measures are assessed as well as, biochemical and molecular changes. Tertiary outcome measure is the safety of TTNS.
Before the actual start of the TASCI RCT, start-up activities will include a piloting phase on groups of healthy volunteers and patients. The goal during this phase is to evaluate the feasibility of the experimental setup, in particular for the TTNS and SHAM intervention, but also to test the setup of the different pre and post assessments (e.g. neurophysiology and neuroimaging tests). Groups of up to 15 participants each will be enrolled in a few consecutive pilot studies allowing for fine tuning and small adaptations in between, if appropriate.
- Conditions
- Spinal Cord Injury, Acute
- Being tested
- VERUM TTNS, SHAM TTNS
- Keywords
- randomized, sham-controlled, double-blind trial, transcutaneous tibial nerve stimulation, spinal cord injury, neurogenic detrusor overactivity, neuromodulation, electrical stimulation, paraplegia; tetraplegia, urodynamics
- Medical subject headings
- Spinal Cord Injuries, Paraplegia, Quadriplegia
What participants receive
What participants receive. In a randomised study each person is assigned to one group by chance.
VERUM TTNSDevice
- Daily 30-minute TTNS intervention is performed 5 days a week during a treatment period of 6-9 weeks, until 3-month post assessments
- During a preparation phase of several minutes, sensory and motor thresholds are assessed and stimulation intensities are adjusted for the following 30-minute treatment phase
SHAM TTNSDevice
- Daily 30-minute SHAM intervention is performed 5 days a week during a treatment period of 6-9 weeks, until 3-month post assessments
- During a preparation phase of several minutes, sensory and motor thresholds are assessed and stimulation intensities are adjusted for the following 30-minute treatment phase
| Study group | Role | What they receive |
|---|---|---|
| VERUM transcutaneous tibial nerve stimulation (TTNS) | Experimental | Not described Receives: Device: VERUM TTNS |
| SHAM transcutaneous tibial nerve stimulation (TTNS) | Sham comparator | Not described Receives: Device: SHAM TTNS |
What is being measured
The primary outcome is the main question the study is designed to answer.
The occurrence of neurogenic DO jeopardizing the upper urinary tract
Defined as composite measure: Urodynamic assessment establishing DO amplitude ≥40 cmH2O; or else initiation of DO treatment (with antimuscarinics and/or intradetrusor onabotulinumtoxinA injections)
Measured: up to 12 months after SCI
Secondary outcomes (41)
Volumetric changes during urodynamics and their relation to clinical outcomes
Cystometric capacity [mL], volume at first DO [mL], voided volume [mL] and post void residual [mL] as assessed by urodynamic measurement
Measured: Baseline; 3 months after SCI; 6 months after SCI; 12 months after SCI / study end
Changes in bladder compliance [mL/cmH2O] during urodynamics and their relation to clinical outcomes
Measured: Baseline; 3 months after SCI; 6 months after SCI; 12 months after SCI / study end
Pressure changes during urodynamics and their relation to clinical outcomes
Maximum DO amplitude [cmH2O], detrusor leak-point pressure [cmH2O], maximum detrusor pressure [cmH2O] during storage phase, maximum detrusor pressure [cmH2O] during voiding phase, detrusor pressure at maximum flow rate [cmH2O] as assessed by urodynamic measurement
Measured: Baseline; 3 months after SCI; 6 months after SCI; 12 months after SCI / study end
Changes in maximum flow rate [mL/s] as assessed by urodynamics and their relation to clinical outcomes
Measured: Baseline; 3 months after SCI; 6 months after SCI; 12 months after SCI / study end
Changes in vesicoureterorenal reflux (VUR) as assessed by videography during urodynamics and their relation to clinical outcomes
Measured: Baseline; 3 months after SCI; 6 months after SCI; 12 months after SCI / study end
Changes in pelvic floor activity as assessed by electromyography (EMG) during urodynamics and their relation to clinical outcomes
Measured: Baseline; 3 months after SCI; 6 months after SCI; 12 months after SCI / study end
Changes in bladder storage and voiding parameters and their relation to clinical outcomes
Assessed by a bladder diary
Measured: Baseline; once every 2 weeks during the TTNS intervention period; 3 months after SCI; 6 months after SCI; 12 months after SCI / study end
Changes in bowel diary parameters and their relation to clinical outcomes
Assessed by a bowel diary
Measured: Baseline; once every 2 weeks during the TTNS intervention period; 3 months after SCI; 6 months after SCI; 12 months after SCI / study end
Changes in International Prostate Symptom (IPSS) questionnaire and their relation to clinical outcomes
The IPSS ("International Prostate Symptom Questionnaire") score is based on questions concerning urinary symptoms and quality of life (QoL). It consists of 8 items covering 7 urinary symptoms related dimensions (subscales) and 1 additional item assessing quality of life. Each item is rated on a 6-point scale (0=not at all; 5=almost always). The lowest possible score in the total IPSS score is 0 (asymptomatic); the highest possible score is 35 (symptomatic). The QoL index is rated on a 7-point scale, with 0 indicating "delighted" and 6 "terrible."
Measured: Baseline; once per week during the TTNS intervention period; 3 months after SCI; 6 months after SCI; 12 months after SCI / study end
Changes in urinary symptoms as assessed by the Urinary Symptom Profile (USP) questionnaire and their relation to clinical outcomes
The USP ("Urinary Symptom Profile") score is based on questions concerning urinary symptoms and their severity in males and females. It consists of 13 items covering 3 dimensions (subscales) with 7 overactive bladder (OAB), 3 stress urinary incontinence (SUI), and 3 low stream (LS) related items. Each item is rated on a 4-point scale. The lowest score is 0 (asymptomatic); the highest score is 3 (symptomatic).
Measured: Baseline; once per week during the TTNS intervention period; 3 months after SCI; 6 months after SCI; 12 months after SCI / study end
Changes in Qualiveen questionnaire scores and their relation to clinical outcomes
Qualiveen-30 assesses the Specific Impact of Urinary Problems (SIUP) on Quality of Life. It consists of 30 items covering 4 domains, namely inconvenience (9 questions), restrictions (8 questions), fears (8 questions), and impact on daily life (5 questions). Each item is rated on a 5-point ordinal scale (0=asymptomatic; 4=symptomatic). The index of the SIUP on Quality of Life is the mean of the four individual scores. The lowest possible overall score in the Qualiveen-30 is 0 (Urinary problems have no specific impact on QoL); the highest possible score is 30 (Urinary problems have a huge specific impact on QoL).
Measured: Baseline; once per week during the TTNS intervention period; 3 months after SCI; 6 months after SCI; 12 months after SCI / study end
Changes in Female Sexual Function Index (FSFI) and their relation to clinical outcomes
The FSFI ("Female Sexual Function Index") is based on questions concerning female sexual functions. It consists of 19 items covering 6 domains, namely sexual desire, arousal (both subjective and physiologic), lubrication, orgasm, satisfaction, and pain. The lowest possible score in the total FSFI is 2 (asymptomatic); the highest possible score is 36 (symptomatic).
Measured: Baseline; 3 months after SCI; 6 months after SCI; 12 months after SCI / study end
Changes in International Index of Erectile Function (IIEF) and their relation to clinical outcomes
The IIEF ("International Index of Erectile Function") is based on questions concerning erectile dysfunction. It consists of 15 items covering 5 domains, namely erectile functioning, orgasmic functioning, sexual desire, and intercourse satisfaction along with a fifth component which encompasses the concept of overall sexual satisfaction. While items 1-10 are rated on a 6-point Likert-type scale from 0 to 5, items 11-15 are rated on a 5-point Likert-type scale from 1 to 5. Higher scores are reflecting less dysfunction. Domain scores are computed by summing the sores for individual items in each domain.
Measured: Baseline; 3 months after SCI; 6 months after SCI; 12 months after SCI / study end
Changes in International Spinal Cord Society (ISCoS) Female / Male sexual function data sets and their relation to clinical outcomes
Measured: Baseline; 3 months after SCI; 6 months after SCI; 12 months after SCI / study end
Changes in Neurogenic Bowel Dysfunction (NBD) score and their relation to clinical outcomes
The NBD ("Neurogenic Bowel Dysfunction") score is based on questions concerning constipation and fecal incontinence and was developed for and validated in the spinal cord injury population. It consists of 10 items. The lowest possible score in the total NBD is 0 (asymptomatic); the highest possible score is 47 (symptomatic). The interpretation of the total NBD score is very minor NBD (0-6), minor NBD (7-9), moderate NBD (10-13), and severe NBD (≥14).The NBD score is assessed by using the international spinal cord injury (ISCoS) bowel function basic data set.
Measured: Baseline; once per week during the TTNS intervention period; 3 months after SCI; 6 months after SCI; 12 months after SCI / study end
Volumetric changes during rectal sensitivity testing and barostat assessment and their relation to clinical outcomes
Initial sensation [mL], volume at urge to defecate [mL], maximum tolerated volume [mL] as assessed by rectal sensitivity testing; rectal capacity [mL] assessed by barostat assessment
Measured: Baseline; 3 months after SCI; 6 months after SCI; 12 months after SCI / study end
Pressure changes during anorectal manometry and barostat assessment and their relation to clinical outcomes
Basal internal anal sphincter pressure [mmHg], squeeze external anal sphincter pressure [mmHg], relaxation internal anal sphincter pressure during defecation [%, mmHg], intraabdominal pressure during defecation [mmHg]
Measured: Baseline; 3 months after SCI; 6 months after SCI; 12 months after SCI / study end
Changes in rectal compliance [mL/cmH2O] during anorectal manometry and barostat assessment and their relation to clinical outcomes
Measured: Baseline; 3 months after SCI; 6 months after SCI; 12 months after SCI / study end
Changes in defecatory disorder [Rao's classification] identified during anorectal manometry and their relation to clinical outcomes
Anorectal manometry is the preferable test for defecatory disorder. Rao's classification describes the four types of manometric patterns (I-IV) that are identified through manometric assessments
Measured: Baseline; 3 months after SCI; 6 months after SCI; 12 months after SCI / study end
Changes International Standards for Neurological Classification of Spinal Cord Injury (ISNCSCI) protocol
International Standards for Neurological Classification of Spinal Cord Injury (ISNCSCI) assessment to quantify the severity of the spinal cord injury
Measured: Baseline; 3 months after SCI; 6 months after SCI; 12 months after SCI / study end
Changes in Lower Extremities Motor Scale (LEMS) from International Standards for Neurological Classification of Spinal Cord Injury (ISNCSCI) protocol
LEMS is based on assessments of ISNCSCI and composed from the sum of muscle function grading of the five key muscles of the lower limbs. It consists of a 6-point scale (0=no; 5=normal activity) for each muscle and body site. The lowest possible score in the total LEMS score for one body site is 0 (symptomatic); the highest possible score is 50 (asymptomatic).
Measured: Baseline; 3 months after SCI; 6 months after SCI; 12 months after SCI / study end
Changes in Upper Extremities Motor Scale (UEMS) from International Standards for Neurological Classification of Spinal Cord Injury (ISNCSCI) protocol
UEMS is based on assessments of ISNCSCI and composed from the sum of muscle function grading of the five key muscles of the upper limbs. It consists of a 6-point scale (0=no; 5=normal activity) for each muscle and body site. The lowest possible score in the total LEMS score for one body site is 0 (symptomatic); the highest possible score is 50 (asymptomatic).
Measured: Baseline; 3 months after SCI; 6 months after SCI; 12 months after SCI / study end
Changes in Spinal Cord Independence Measure III (SCIM-III) and their relation to clinical outcomes
The SCIM-III ("Spinal Cord Independence Measure III") score is based on questions concerning independence of persons with a spinal cord injured. It consists of 19 items covering 3 domains, self-care, respiration and sphincter management, and mobility. The self-care subscale ranges from 0 to 20. The respiration and sphincter management subscale ranges from 0 to 40. The mobility subscale ranges from 0 to 40. Total score ranges from 0 (symptomatic) to 100 (asymptomatic). Higher scores reflect higher levels of independence.
Measured: Baseline; 3 months after SCI; 6 months after SCI; 12 months after SCI / study end
Changes in spasticity in the knee and elbow flexors and extensors from the Modified Ashworth Scale (MAS) assessment and their relation to clinical outcomes
The MAS is a 5-point nominal scale that uses subjective clinical assessments of muscle tone ranging from 0 - 'No increases in tone' to 4 - 'Limb rigid in flexion or extension'. A grade of (1+) indicates resistance in the movement.
Measured: Baseline; 3 months after SCI; 6 months after SCI; 12 months after SCI / study end
Changes in spasticity in daily life as assessed by the Spinal Cord Injury Spasticity Evaluation Tool (SCI-SET) questionnaire and their relation to clinical outcomes
The SCI-SET ("Spinal Cord Injury Spasticity Evaluation Tool ") score is based on questions concerning the positive and negative effects of spasticity on different areas of daily life. Each of the 35 items are rated on a 7-point scale (-3=extremely problematic; 0=no effect; 3=extremely helpful). Calculations include counts and sum scores of areas of daily life where spasticity is problematic (count range: 0 to 35, sum score range: 35 to 0) or helpful (counts range: 0 to 35, sum score range: 0 to +35) as well as a mean score of all applicable items (range: -3 to +3)
Measured: Baseline; 3 months after SCI; 6 months after SCI; 12 months after SCI / study end
Changes in neurophysiology measurements of evoked potentials (EPs) as well as nerve conduction measurements and their relation to clinical outcomes
Measured: Baseline; 3 months after SCI; 6 months after SCI; 12 months after SCI / study end
Changes in lower urinary tract (LUT) neurophysiology: Current perception thresholds (CPTs) and LUT sensory evoked potentials (LUTSEPs) with their relation to clinical outcomes
Measured: Baseline; 3 months after SCI; 6 months after SCI; 12 months after SCI / study end
Changes in frequency power of surface electromyography (EMG) and electroencephalography (EEG) and their relation to clinical outcomes
Fast Fourier Transformation analysis for delta, theta, alpha, beta, and gamma band power as assessed via EEG of the cortex and EMG of the muscle
Measured: Baseline; 3 months after SCI; 6 months after SCI; 12 months after SCI / study end
Changes in EMG and EEG coherence measures and their relation to clinical outcomes
Coherence for EEG and EMG signals computed as cortico-muscular, inter- and intra-muscular coherence for typical EEG/EMG frequency bands (delta, theta, alpha, beta, and gamma).
Measured: Baseline; 3 months after SCI; 6 months after SCI; 12 months after SCI / study end
Changes in white and gray matter area in the lumbosacral enlargement (LSE) and their relation to clinical outcomes
White and gray matter areas are obtained by segmenting the T2*-weighted MRI images for white and gray matter at the level of LSE
Measured: Baseline; 3 months after SCI; 6 months after SCI; 12 months after SCI / study end
Changes in white and gray matter area in upper cervical cord (at C2/C3) and their relation to clinical outcomes
Obtained by segmenting the T2*-weighted MRI images for white and gray matter at the vertebral level C2/C3.
Measured: Baseline; 3 months after SCI; 6 months after SCI; 12 months after SCI / study end
Changes in white and gray matter volume of the conus medullaris (CM) and their relation to clinical outcomes
White and gray matter volume are obtained by segmenting the T2*-weighted MRI images for white and gray matter in the CM
Measured: Baseline; 3 months after SCI; 6 months after SCI; 12 months after SCI / study end
Changes in gray and white matter volume in the brain and their relation to clinical outcomes
Gray and white matter volume in the brain are computed by feeding the whole-brain T1-weighted MRI images into a voxel-based morphometry algorithm. Changes in the gray and white matter volume will be evaluated in urologically relevant brain areas.
Measured: Baseline; 3 months after SCI; 6 months after SCI; 12 months after SCI / study end
Changes in fractional anisotropy (FA) in the brain and spinal cord and their relation to clinical outcomes
FA is a common dimensionless measure used in Diffusion Tensor Imaging (DTI) studies and ranges from 0, isotropic movement of water molecules (e.g., cerebrospinal fluid), to 1, fully anisotropic movement of water molecules (e.g., fiber bundles).
Measured: Baseline; 3 months after SCI; 6 months after SCI; 12 months after SCI / study end
Changes in diffusivity in the brain and spinal cord and their relation to clinical outcomes
Mean, axial, and radial diffusivity (MD, AD, RD) are common measures used in DTI studies providing information about the integrity of the underlying tissue.
Measured: Baseline; 3 months after SCI; 6 months after SCI; 12 months after SCI / study end
Changes in brain and spinal cord tissue microstructure and their relation to clinical outcomes
Quantitative tissue parameters assessed using MRI Multi-Parameter Mapping.
Measured: Baseline; 3 months after SCI; 6 months after SCI; 12 months after SCI / study end
Expression profile of microRNA (miRNA) in urine and blood as well as their relation to clinical outcomes
MicroRNA (miRNA) sequencing is used to identify regulated miRNAs specific to TTNS intervention in urine and blood.
Measured: Baseline; 3 months after SCI; 6 months after SCI; 12 months after SCI / study end
Changes in inflammatory markers in bladder tissue, blood, and urine, as well as their relation to clinical outcomes
Measured: Baseline; 3 months after SCI; 6 months after SCI; 12 months after SCI / study end
Changes in levels of neurotransmitters (neurotrophins) in blood, and urine, as well as their relation to clinical outcomes
Analysis will be performed using ELISA to detect molecules likely to be involved in the underlying molecular mechanisms of neuromodulation.
Measured: Baseline; 3 months after SCI; 6 months after SCI; 12 months after SCI / study end
Changes in the composition of urinary and stool microbiome and their relation to clinical outcomes
Gut and bladder microbial patterns are determined from stool and urine samples
Measured: Baseline; 3 months after SCI; 6 months after SCI; 12 months after SCI / study end
Changes in bladder tissue and their relation to clinical outcomes
Measured: Baseline; 3 months after SCI; 6 months after SCI; 12 months after SCI / study end
Timeline
From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.
- First posted29 May 2019
- Study start19 Jun 2019
- Primary completion30 Sep 2028 (estimated)
- Study completion30 Sep 2028 (estimated)
Resources
- Official record on ClinicalTrials.govThe registry entry this page is built from, with its full change history.
- Publications (8)Papers the sponsor has linked to this study.
- Other trials for Spinal Cord Injury, AcuteStudies of the same condition, open and under way.
- More trials run by University of ZurichThe sponsor's other registered studies.
- What the trial phases meanHow a treatment moves from first tests in people to approval.
More details
For doctors and researchers: how the study is designed, who runs it, and its registry IDs.
Study design
- Study type
- Interventional
- Phase
- Phase N/A
- Primary purpose
- Prevention
- Allocation
- Randomised
- Intervention model
- Parallel groups
- Masking
- Triple blind
- Who is masked
- Participant, Care provider, Outcomes assessor
- Enrolment
- 114 participants (estimated)
Sponsor and investigators
- Lead sponsor
- University of Zurich
- Sponsor type
- University, hospital or other
- Collaborators
- Swiss National Science Foundation, Clinique Romande de Readaptation, Rehab Basel, Swiss Paraplegic Research, Nottwil, BioMedical Research Forschungslabor für Urologie, University of Bern, Universidade do Porto, Center for Lower Urinary Tract Research School of Medicine, University of Pittsburgh
- Responsible party
- Sponsor
- Investigators
- Thomas M. Kessler, Prof. Dr. med., Study chair, University of ZurichThomas M. Kessler, Prof. Dr. med., Principal investigator, Balgrist University HospitalArmin Curt, Prof. Dr. med., Principal investigator, Balgrist University HospitalMartin Brinkhof, Dr., Principal investigator, Swiss Paraplegic Research, NottwilJürgen Pannek, Prof. Dr. med., Principal investigator, Swiss Paraplegic Centre
IDs, dates and publications
- ClinicalTrials.gov ID
- NCT03965299
- Sponsor's protocol ID
- 2019-00074
- Other IDs
- 2019
- Acronym
- TASCI
- Status last verified
- Nov 2026
- First submitted
- 26 Mar 2019
- Last updated
- 5 Nov 2026
- Results posted
- No
- Data monitoring committee
- Yes
- FDA-regulated drug
- No
- FDA-regulated device
- No
- Individual data sharing
- Yes: All individual participant data (IPD) and data dictionaries that underlie results in a publication are to be uploaded to a public data registry in cases where this can be done without compromising patient privacy. Given the small size of the dataset and that spinal cord injury (SCI) is a rare condition, to ensure identity protection any publicly available dataset(s) will be modified to reduce the number of indirect identifier variables, e.g. continuous variables such as age will be grouped, categorical or binary variables with small group numbers such as study centre will not be provided. When data sets cannot be sufficiently de-identified to be made publicly available, they will be made available upon reasonable request. Data judged to be confidential to participants or the participating study centers will not be released, but efforts will be made to provide scientifically meaningful equivalent information.
Publications
Birkhauser V, Liechti MD, Anderson CE, Bachmann LM, Baumann S, Baumberger M, Birder LA, Botter SM, Bueler S, Cruz CD, David G, Freund P, Friedl S, Gross O, Hund-Georgiadis M, Husmann K, Jordan X, Koschorke M, Leitner L, Luca E, Mehnert U, Mohr S, Mohammadzada F, Monastyrskaya K, Pfender N, Pohl D, Sadri H, Sartori AM, Schubert M, Sprengel K, Stalder SA, Stoyanov J, Stress C, Tatu A, Tawadros C, van der Lely S, Wollner J, Zubler V, Curt A, Pannek J, Brinkhof MWG, Kessler TM. TASCI-transcutaneous tibial nerve stimulation in patients with acute spinal cord injury to prevent neurogenic detrusor overactivity: protocol for a nationwide, randomised, sham-controlled, double-blind clinical trial. BMJ Open. 2020 Aug 13;10(8):e039164. doi: 10.1136/bmjopen-2020-039164.
PubMed 32792454Liechti MD, van der Lely S, Stalder SA, Anderson CE, Birkhauser V, Bachmann LM, Brinkhof MWG, Curt A, Jordan X, Leitner L, Mehnert U, Mohr S, Pannek J, Schubert M, Kessler TM; TASCI Study Group. Update from TASCI, a Nationwide, Randomized, Sham-controlled, Double-blind Clinical Trial on Transcutaneous Tibial Nerve Stimulation in Patients with Acute Spinal Cord Injury to Prevent Neurogenic Detrusor Overactivity. Eur Urol Focus. 2020 Sep 15;6(5):877-879. doi: 10.1016/j.euf.2019.09.019. Epub 2019 Oct 8.
PubMed 31601539Anderson CE, Birkhauser V, Stalder SA, Bachmann LM, Curt A, Jordan X, Leitner L, Liechti MD, Mehnert U, Mohr S, Pannek J, Schubert M, van der Lely S, Kessler TM, Brinkhof MWG. Optimizing clinical trial design using prospective cohort study data: a case study in neuro-urology. Spinal Cord. 2021 Sep;59(9):1003-1012. doi: 10.1038/s41393-020-00588-z. Epub 2020 Nov 24.
PubMed 33235299Bueler S, Yiannakas MC, Damjanovski Z, Freund P, Liechti MD, David G. Optimized multi-echo gradient-echo magnetic resonance imaging for gray and white matter segmentation in the lumbosacral cord at 3 T. Sci Rep. 2022 Oct 3;12(1):16498. doi: 10.1038/s41598-022-20395-1.
PubMed 36192560Bueler S, Freund P, Kessler TM, Liechti MD, David G. Improved inter-subject alignment of the lumbosacral cord for group-level in vivo gray and white matter assessments: A scan-rescan MRI study at 3T. PLoS One. 2024 Apr 16;19(4):e0301449. doi: 10.1371/journal.pone.0301449. eCollection 2024.
PubMed 38626171Stalder SA, van der Lely S, Anderson CE, Birkhauser V, Curt A, Gross O, Leitner L, Mehnert U, Schubert M, Tornic J, Kessler TM, Liechti MD. Development of a Sham Protocol to Investigate Transcutaneous Tibial Nerve Stimulation in Randomised, Sham-Controlled, Double-Blind Clinical Trials. Biomedicines. 2023 Jul 7;11(7):1931. doi: 10.3390/biomedicines11071931.
PubMed 37509569Beghini L, Bueler S, Liechti MD, Jaffray A, David G, Vannesjo SJ. Optimized navigator-based correction of breathing-induced B0 field fluctuations in multi-echo gradient-echo imaging of the spinal cord. Magn Reson Med. 2025 Jul;94(1):215-230. doi: 10.1002/mrm.30475. Epub 2025 Mar 4.
PubMed 40034000Bueler S, Anderson CE, Birkhauser V, Freund P, Gross O, Kessler TM, Kundig CW, Leitner L, Mahnoor N, Mehnert U, Rothlisberger R, Stalder SA, van der Lely S, Zipser CM, David G, Liechti MD. Remote neurodegeneration in the lumbosacral cord one month after spinal cord injury: a cross-sectional MRI study. Ann Clin Transl Neurol. 2025 Mar;12(3):523-537. doi: 10.1002/acn3.52298. Epub 2025 Jan 27.
PubMed 39869509
Study at a glance
From the registry record, last updated by the sponsor on 5 Nov 2026. Recruitment status is as the sponsor reported it: confirm with the study team.
- Official title
- Transcutaneous Tibial Nerve Stimulation in Patients With Acute Spinal Cord Injury to Prevent Neurogenic Detrusor Overactivity: A Nationwide Randomised, Sham-controlled, Double-blind Clinical Trial
- ClinicalTrials.gov ID
- NCT03965299
- Acronym / sponsor ID
- TASCI / 2019-00074
- Conditions
- Spinal Cord Injury, Acute
- Keywords
- randomized, sham-controlled, double-blind trial, transcutaneous tibial nerve stimulation, spinal cord injury, neurogenic detrusor overactivity, neuromodulation, electrical stimulation, paraplegia; tetraplegia, urodynamics
- Study type
- Interventional
- Recruitment status
- Recruiting
- Enrolment
- 114 participants (estimated)
- Lead sponsor
- University of ZurichUniversity, hospital or other
- Collaborators
- Swiss National Science Foundation, Clinique Romande de Readaptation, Rehab Basel, Swiss Paraplegic Research, Nottwil, BioMedical Research Forschungslabor für Urologie, University of Bern, Universidade do Porto, Center for Lower Urinary Tract Research School of Medicine, University of Pittsburgh
- Study start
- 19 Jun 2019 (actual)
- Primary completion
- 30 Sep 2028 (estimated)
- Study completion
- 30 Sep 2028 (estimated)
- First posted
- 29 May 2019 (actual)
- Results
- Not posted in the source record
Clinical summary
The research question as the sponsor registered it. This describes what the study plans to test, not what it found.
Most patients with spinal cord injury (SCI) develop neurogenic lower urinary tract dysfunction (NLUTD), one of the most devastating sequelae of SCI which ultimately can lead to renal failure. We urgently need an intervention that prevents NLUTD before irreversible damage occurs. Neuromodulation procedures are a promising avenue so that we investigate the effect of transcutaneous tibial nerve stimulation (TTNS) in patients with acute SCI.
This nationwide randomized, sham-controlled, double-blind multicentre clinical trial includes all SCI centres in Switzerland (Basel, Nottwil, Sion, Zürich). Patients are randomly assigned to VERUM TTNS (active stimulation, n=57) and SHAM stimulation (n=57) groups in a 1:1 allocation using computer-generated permuted block randomisation lists stratified on study centre and lower extremity motor score. Daily 30-minute sessions are performed five times a week during an intervention period of 6-9 weeks. The primary outcome of this study is the success of TTNS to prevent neurogenic DO jeopardizing the upper urinary tract, assessed by urodynamics at 1 year after SCI or any earlier time point if DO treatment is necessary (study end). Secondary outcome measures are bladder diary parameters, clinical symptom scores assessed by standardized and validated questionnaires. Furthermore, neurophysiological and neuroimaging outcome measures are assessed as well as, biochemical and molecular changes. Tertiary outcome measure is the safety of TTNS.
Before the actual start of the TASCI RCT, start-up activities will include a piloting phase on groups of healthy volunteers and patients. The goal during this phase is to evaluate the feasibility of the experimental setup, in particular for the TTNS and SHAM intervention, but also to test the setup of the different pre and post assessments (e.g. neurophysiology and neuroimaging tests). Groups of up to 15 participants each will be enrolled in a few consecutive pilot studies allowing for fine tuning and small adaptations in between, if appropriate.
Study design
- Primary purpose
- Prevention
- Allocation
- Randomised
- Intervention model
- Parallel groups
- Masking
- Triple blind (participant, care provider, outcomes assessor)
- Number of arms
- 2
| Arm | Type | Receives |
|---|---|---|
| VERUM transcutaneous tibial nerve stimulation (TTNS) | Experimental | Device: VERUM TTNS |
| SHAM transcutaneous tibial nerve stimulation (TTNS) | Sham comparator | Device: SHAM TTNS |
Who may qualify
- Ages
- 18 years and older
- Sex
- All
- Healthy volunteers
- Not accepted
- Age groups
- Adult, Older adult
Key inclusion criteria (8 listed)
- Age >18 years
- Patients with acute SCI (traumatic SCI and sudden onset (<7 days) non-traumatic SCI) within 40 days after injury
- Patients with acute SCI at cervical or thoracic level
- Willing to take part and follow the requirements of the TASCI protocol (up to one year after SCI)
- Informed Consent
Key exclusion criteria (14 listed)
- Contraindications to the investigational product
- DO with contractions greater than 40 cmH2O at a bladder filling volume of less than 500mL at baseline visit
- Treatment with antimuscarinics or with mirabegron
- Known or suspected non-adherence, drug or alcohol abuse
- Inability to follow the procedures of the study, e.g. due to language problems, psychological disorders, dementia, etc. of the participant
Eligibility is decided by the study team after screening; this overview does not establish that a patient qualifies. Full inclusion and exclusion criteria.
Interventions
| Intervention | Type | Arms |
|---|---|---|
| VERUM TTNS* Daily 30-minute TTNS intervention is performed 5 days a week during a treatment period of 6-9 weeks, until 3-month post assessments * During a preparation phase of several minutes, sensory and motor thresholds are assessed and stimulation intensities are adjusted for the following 30-minute treatment phase | Device | VERUM transcutaneous tibial nerve stimulation (TTNS) |
| SHAM TTNS* Daily 30-minute SHAM intervention is performed 5 days a week during a treatment period of 6-9 weeks, until 3-month post assessments * During a preparation phase of several minutes, sensory and motor thresholds are assessed and stimulation intensities are adjusted for the following 30-minute treatment phase | Device | SHAM transcutaneous tibial nerve stimulation (TTNS) |
Primary outcome
The occurrence of neurogenic DO jeopardizing the upper urinary tract
Time frame: up to 12 months after SCI
Defined as composite measure: Urodynamic assessment establishing DO amplitude ≥40 cmH2O; or else initiation of DO treatment (with antimuscarinics and/or intradetrusor onabotulinumtoxinA injections)
41 secondary outcomes
Volumetric changes during urodynamics and their relation to clinical outcomes
Time frame: Baseline; 3 months after SCI; 6 months after SCI; 12 months after SCI / study end
Changes in bladder compliance [mL/cmH2O] during urodynamics and their relation to clinical outcomes
Time frame: Baseline; 3 months after SCI; 6 months after SCI; 12 months after SCI / study end
Pressure changes during urodynamics and their relation to clinical outcomes
Time frame: Baseline; 3 months after SCI; 6 months after SCI; 12 months after SCI / study end
Changes in maximum flow rate [mL/s] as assessed by urodynamics and their relation to clinical outcomes
Time frame: Baseline; 3 months after SCI; 6 months after SCI; 12 months after SCI / study end
Changes in vesicoureterorenal reflux (VUR) as assessed by videography during urodynamics and their relation to clinical outcomes
Time frame: Baseline; 3 months after SCI; 6 months after SCI; 12 months after SCI / study end
Changes in pelvic floor activity as assessed by electromyography (EMG) during urodynamics and their relation to clinical outcomes
Time frame: Baseline; 3 months after SCI; 6 months after SCI; 12 months after SCI / study end
Changes in bladder storage and voiding parameters and their relation to clinical outcomes
Time frame: Baseline; once every 2 weeks during the TTNS intervention period; 3 months after SCI; 6 months after SCI; 12 months after SCI / study end
Changes in bowel diary parameters and their relation to clinical outcomes
Time frame: Baseline; once every 2 weeks during the TTNS intervention period; 3 months after SCI; 6 months after SCI; 12 months after SCI / study end
Changes in International Prostate Symptom (IPSS) questionnaire and their relation to clinical outcomes
Time frame: Baseline; once per week during the TTNS intervention period; 3 months after SCI; 6 months after SCI; 12 months after SCI / study end
Changes in urinary symptoms as assessed by the Urinary Symptom Profile (USP) questionnaire and their relation to clinical outcomes
Time frame: Baseline; once per week during the TTNS intervention period; 3 months after SCI; 6 months after SCI; 12 months after SCI / study end
Changes in Qualiveen questionnaire scores and their relation to clinical outcomes
Time frame: Baseline; once per week during the TTNS intervention period; 3 months after SCI; 6 months after SCI; 12 months after SCI / study end
Changes in Female Sexual Function Index (FSFI) and their relation to clinical outcomes
Time frame: Baseline; 3 months after SCI; 6 months after SCI; 12 months after SCI / study end
Changes in International Index of Erectile Function (IIEF) and their relation to clinical outcomes
Time frame: Baseline; 3 months after SCI; 6 months after SCI; 12 months after SCI / study end
Changes in International Spinal Cord Society (ISCoS) Female / Male sexual function data sets and their relation to clinical outcomes
Time frame: Baseline; 3 months after SCI; 6 months after SCI; 12 months after SCI / study end
Changes in Neurogenic Bowel Dysfunction (NBD) score and their relation to clinical outcomes
Time frame: Baseline; once per week during the TTNS intervention period; 3 months after SCI; 6 months after SCI; 12 months after SCI / study end
Volumetric changes during rectal sensitivity testing and barostat assessment and their relation to clinical outcomes
Time frame: Baseline; 3 months after SCI; 6 months after SCI; 12 months after SCI / study end
Pressure changes during anorectal manometry and barostat assessment and their relation to clinical outcomes
Time frame: Baseline; 3 months after SCI; 6 months after SCI; 12 months after SCI / study end
Changes in rectal compliance [mL/cmH2O] during anorectal manometry and barostat assessment and their relation to clinical outcomes
Time frame: Baseline; 3 months after SCI; 6 months after SCI; 12 months after SCI / study end
Changes in defecatory disorder [Rao's classification] identified during anorectal manometry and their relation to clinical outcomes
Time frame: Baseline; 3 months after SCI; 6 months after SCI; 12 months after SCI / study end
Changes International Standards for Neurological Classification of Spinal Cord Injury (ISNCSCI) protocol
Time frame: Baseline; 3 months after SCI; 6 months after SCI; 12 months after SCI / study end
Changes in Lower Extremities Motor Scale (LEMS) from International Standards for Neurological Classification of Spinal Cord Injury (ISNCSCI) protocol
Time frame: Baseline; 3 months after SCI; 6 months after SCI; 12 months after SCI / study end
Changes in Upper Extremities Motor Scale (UEMS) from International Standards for Neurological Classification of Spinal Cord Injury (ISNCSCI) protocol
Time frame: Baseline; 3 months after SCI; 6 months after SCI; 12 months after SCI / study end
Changes in Spinal Cord Independence Measure III (SCIM-III) and their relation to clinical outcomes
Time frame: Baseline; 3 months after SCI; 6 months after SCI; 12 months after SCI / study end
Changes in spasticity in the knee and elbow flexors and extensors from the Modified Ashworth Scale (MAS) assessment and their relation to clinical outcomes
Time frame: Baseline; 3 months after SCI; 6 months after SCI; 12 months after SCI / study end
Changes in spasticity in daily life as assessed by the Spinal Cord Injury Spasticity Evaluation Tool (SCI-SET) questionnaire and their relation to clinical outcomes
Time frame: Baseline; 3 months after SCI; 6 months after SCI; 12 months after SCI / study end
Changes in neurophysiology measurements of evoked potentials (EPs) as well as nerve conduction measurements and their relation to clinical outcomes
Time frame: Baseline; 3 months after SCI; 6 months after SCI; 12 months after SCI / study end
Changes in lower urinary tract (LUT) neurophysiology: Current perception thresholds (CPTs) and LUT sensory evoked potentials (LUTSEPs) with their relation to clinical outcomes
Time frame: Baseline; 3 months after SCI; 6 months after SCI; 12 months after SCI / study end
Changes in frequency power of surface electromyography (EMG) and electroencephalography (EEG) and their relation to clinical outcomes
Time frame: Baseline; 3 months after SCI; 6 months after SCI; 12 months after SCI / study end
Changes in EMG and EEG coherence measures and their relation to clinical outcomes
Time frame: Baseline; 3 months after SCI; 6 months after SCI; 12 months after SCI / study end
Changes in white and gray matter area in the lumbosacral enlargement (LSE) and their relation to clinical outcomes
Time frame: Baseline; 3 months after SCI; 6 months after SCI; 12 months after SCI / study end
Changes in white and gray matter area in upper cervical cord (at C2/C3) and their relation to clinical outcomes
Time frame: Baseline; 3 months after SCI; 6 months after SCI; 12 months after SCI / study end
Changes in white and gray matter volume of the conus medullaris (CM) and their relation to clinical outcomes
Time frame: Baseline; 3 months after SCI; 6 months after SCI; 12 months after SCI / study end
Changes in gray and white matter volume in the brain and their relation to clinical outcomes
Time frame: Baseline; 3 months after SCI; 6 months after SCI; 12 months after SCI / study end
Changes in fractional anisotropy (FA) in the brain and spinal cord and their relation to clinical outcomes
Time frame: Baseline; 3 months after SCI; 6 months after SCI; 12 months after SCI / study end
Changes in diffusivity in the brain and spinal cord and their relation to clinical outcomes
Time frame: Baseline; 3 months after SCI; 6 months after SCI; 12 months after SCI / study end
Changes in brain and spinal cord tissue microstructure and their relation to clinical outcomes
Time frame: Baseline; 3 months after SCI; 6 months after SCI; 12 months after SCI / study end
Expression profile of microRNA (miRNA) in urine and blood as well as their relation to clinical outcomes
Time frame: Baseline; 3 months after SCI; 6 months after SCI; 12 months after SCI / study end
Changes in inflammatory markers in bladder tissue, blood, and urine, as well as their relation to clinical outcomes
Time frame: Baseline; 3 months after SCI; 6 months after SCI; 12 months after SCI / study end
Changes in levels of neurotransmitters (neurotrophins) in blood, and urine, as well as their relation to clinical outcomes
Time frame: Baseline; 3 months after SCI; 6 months after SCI; 12 months after SCI / study end
Changes in the composition of urinary and stool microbiome and their relation to clinical outcomes
Time frame: Baseline; 3 months after SCI; 6 months after SCI; 12 months after SCI / study end
Results and safety
This study is still under way. Results are not available in the source record yet.
Research links
- Official record on ClinicalTrials.govLast updated by the sponsor 5 Nov 2026.
- Background: PubMed 32792454Birkhauser V, Liechti MD, Anderson CE, Bachmann LM, Baumann S, Baumberger M, Birder LA, Botter SM, Bueler S, Cruz CD, David G, Freund P, Friedl S, Gross O, Hund-Georgiadis M, Husmann K, Jordan X, Koschorke M, Leitner L, Luca E, Mehnert U, Mohr S, Mohammadzada F, Monastyrskaya K, Pfender N, Pohl D, Sadri H, Sartori AM, Schubert M, Sprengel K, Stalder SA, Stoyanov J, Stress C, Tatu A, Tawadros C, van der Lely S, Wollner J, Zubler V, Curt A, Pannek J, Brinkhof MWG, Kessler TM. TASCI-transcutaneous tibial nerve stimulation in patients with acute spinal cord injury to prevent neurogenic detrusor overactivity: protocol for a nationwide, randomised, sham-controlled, double-blind clinical trial. BMJ Open. 2020 Aug 13;10(8):e039164. doi: 10.1136/bmjopen-2020-039164.
- Background: PubMed 31601539Liechti MD, van der Lely S, Stalder SA, Anderson CE, Birkhauser V, Bachmann LM, Brinkhof MWG, Curt A, Jordan X, Leitner L, Mehnert U, Mohr S, Pannek J, Schubert M, Kessler TM; TASCI Study Group. Update from TASCI, a Nationwide, Randomized, Sham-controlled, Double-blind Clinical Trial on Transcutaneous Tibial Nerve Stimulation in Patients with Acute Spinal Cord Injury to Prevent Neurogenic Detrusor Overactivity. Eur Urol Focus. 2020 Sep 15;6(5):877-879. doi: 10.1016/j.euf.2019.09.019. Epub 2019 Oct 8.
- Background: PubMed 33235299Anderson CE, Birkhauser V, Stalder SA, Bachmann LM, Curt A, Jordan X, Leitner L, Liechti MD, Mehnert U, Mohr S, Pannek J, Schubert M, van der Lely S, Kessler TM, Brinkhof MWG. Optimizing clinical trial design using prospective cohort study data: a case study in neuro-urology. Spinal Cord. 2021 Sep;59(9):1003-1012. doi: 10.1038/s41393-020-00588-z. Epub 2020 Nov 24.
- Background: PubMed 36192560Bueler S, Yiannakas MC, Damjanovski Z, Freund P, Liechti MD, David G. Optimized multi-echo gradient-echo magnetic resonance imaging for gray and white matter segmentation in the lumbosacral cord at 3 T. Sci Rep. 2022 Oct 3;12(1):16498. doi: 10.1038/s41598-022-20395-1.
- Background: PubMed 38626171Bueler S, Freund P, Kessler TM, Liechti MD, David G. Improved inter-subject alignment of the lumbosacral cord for group-level in vivo gray and white matter assessments: A scan-rescan MRI study at 3T. PLoS One. 2024 Apr 16;19(4):e0301449. doi: 10.1371/journal.pone.0301449. eCollection 2024.
- Background: PubMed 37509569Stalder SA, van der Lely S, Anderson CE, Birkhauser V, Curt A, Gross O, Leitner L, Mehnert U, Schubert M, Tornic J, Kessler TM, Liechti MD. Development of a Sham Protocol to Investigate Transcutaneous Tibial Nerve Stimulation in Randomised, Sham-Controlled, Double-Blind Clinical Trials. Biomedicines. 2023 Jul 7;11(7):1931. doi: 10.3390/biomedicines11071931.
- Background: PubMed 40034000Beghini L, Bueler S, Liechti MD, Jaffray A, David G, Vannesjo SJ. Optimized navigator-based correction of breathing-induced B0 field fluctuations in multi-echo gradient-echo imaging of the spinal cord. Magn Reson Med. 2025 Jul;94(1):215-230. doi: 10.1002/mrm.30475. Epub 2025 Mar 4.
- Background: PubMed 39869509Bueler S, Anderson CE, Birkhauser V, Freund P, Gross O, Kessler TM, Kundig CW, Leitner L, Mahnoor N, Mehnert U, Rothlisberger R, Stalder SA, van der Lely S, Zipser CM, David G, Liechti MD. Remote neurodegeneration in the lumbosacral cord one month after spinal cord injury: a cross-sectional MRI study. Ann Clin Transl Neurol. 2025 Mar;12(3):523-537. doi: 10.1002/acn3.52298. Epub 2025 Jan 27.
- Individual participant dataSharing planned: Yes. All individual participant data (IPD) and data dictionaries that underlie results in a publication are to be uploaded to a public data registry in cases where this can be done without compromising patient privacy. Given the small size of the dataset and that spinal cord injury (SCI) is a rare condition, to ensure identity protection any publicly available dataset(s) will be modified to reduce the number of indirect identifier variables, e.g. continuous variables such as age will be grouped, categorical or binary variables with small group numbers such as study centre will not be provided. When data sets cannot be sufficiently de-identified to be made publicly available, they will be made available upon reasonable request. Data judged to be confidential to participants or the participating study centers will not be released, but efforts will be made to provide scientifically meaningful equivalent information.
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Referral and contact
AzTrials does not enrol participants or take referrals. Contact the study team or a site listed below; they decide who can take part.
Thomas M. Kessler, Prof. Dr. med. study chair
University of Zurich
Thomas M. Kessler, Prof. Dr. med. principal investigator
Balgrist University Hospital
Armin Curt, Prof. Dr. med. principal investigator
Balgrist University Hospital
4 sites in 1 country: see every site and its status.
Questions about this trial
What is this clinical trial studying?
A study testing VERUM TTNS in people with Spinal Cord Injury, Acute, run by University of Zurich at 4 sites 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 8 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: looking for participants now, as of the sponsor's last update on 5 Nov 2026. Status can change between updates, so confirm with the study contact before making plans.
Where is the study taking place?
The record lists 4 sites 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. Some participants in this study may receive a placebo. 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?
This study is still under way. Results are not available in the source record yet.
How can a doctor refer a patient or contact the research team?
Contact Thomas M. Kessler, Prof. Dr. med. (+41 44 386 39 07, thomas.kessler@balgrist.ch), or a site near the patient. AzTrials does not enrol participants or take referrals.
What does the primary outcome measure?
The occurrence of neurogenic DO jeopardizing the upper urinary tract (time frame: up to 12 months after SCI). It is what the study was designed to measure, not a finding.
Where can I read the original study information?
On the ClinicalTrials.gov record for NCT03965299, which also lists 8 linked publications.
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 5 Nov 2026.