NCT03886857

Brief Summary

The aim of the pilot study is to gain first insights into the interaction of transcutaneous spinal cord stimulation with the altered activity of intraspinal circuits associated with spinal spasticity. The main goal is to evaluate the validity of the chosen measures and to generate a data base for statistical planning of a subsequent clinical study.

Trial Health

87
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
30

participants targeted

Target at below P25 for not_applicable

Timeline
Completed

Started May 2019

Longer than P75 for not_applicable

Geographic Reach
1 country

2 active sites

Status
completed

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

First Submitted

Initial submission to the registry

March 18, 2019

Completed
4 days until next milestone

First Posted

Study publicly available on registry

March 22, 2019

Completed
1 month until next milestone

Study Start

First participant enrolled

May 1, 2019

Completed
3.4 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

October 1, 2022

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

October 1, 2022

Completed
Last Updated

October 15, 2024

Status Verified

October 1, 2024

Enrollment Period

3.4 years

First QC Date

March 18, 2019

Last Update Submit

October 9, 2024

Conditions

Outcome Measures

Primary Outcomes (1)

  • Postsynaptic inhibition

    reciprocal inhibition of the soleus H-reflex

    pre-intervention to 2 hours post-intervention

Secondary Outcomes (4)

  • Presynaptic inhibition

    pre-intervention to 2 hours post-intervention

  • H_max/M_max

    pre-intervention to 2 hours post-intervention

  • Low-frequency depression

    pre-intervention to 2 hours post-intervention

  • Evaluation of lower-limb spasticity

    pre-intervention to 2 hours post-intervention

Interventions

noninvasive electrical stimulation of the human lumbar spinal cord

Eligibility Criteria

Age18 Years+
Sexall
Healthy VolunteersYes
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • written informed consent prior to participation
  • for participants with intact CNS:
  • no previous neurological or musculoskeletal disorders
  • for participants with spinal cord injury:
  • Spinal cord injury due to trauma
  • ≥ 12 months post-spinal cord injury
  • complete or incomplete spinal cord injury classified as grade C or D on the American Spinal Injury Association Impairment Scale (AIS)
  • neurological level of spinal cord injury: C3-T10
  • preserved tendon and cutaneo-muscular reflexes in the lower limbs

You may not qualify if:

  • other neuromuscular diseases, e.g., amyotrophic lateral sclerosis (ALS), Parkinson's disease, Guillain-Barré syndrome, muscular dystrophy
  • active implants (e.g., cardiac pacemaker, drug pump)
  • passive implants at vertebral level T10 or caudal (e.g., metal screws/plates for surgical stabilization of spinal fractures)
  • active infections or diseases, pressure sores
  • dermatological issues at the stimulation site
  • malignant diseases
  • heart insufficiency (NYHA III-IV)
  • potential pregnancy (pregnancy test to be conducted in women of child bearing age before application of transcutaneous spinal cord stimulation)

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (2)

Medical University of Vienna

Vienna, 1090, Austria

Location

Klinik Floridsdorf

Vienna, 1210, Austria

Location

MeSH Terms

Conditions

Spinal Cord Injuries

Condition Hierarchy (Ancestors)

Spinal Cord DiseasesCentral Nervous System DiseasesNervous System DiseasesTrauma, Nervous SystemWounds and Injuries

Study Officials

  • Ursula Hofstoetter, Prof., PhD

    Medical University of Vienna

    PRINCIPAL INVESTIGATOR

Study Design

Study Type
interventional
Phase
not applicable
Allocation
NON RANDOMIZED
Masking
NONE
Purpose
OTHER
Intervention Model
SINGLE GROUP
Sponsor Type
OTHER
Responsible Party
SPONSOR INVESTIGATOR
PI Title
Chief Physician

Study Record Dates

First Submitted

March 18, 2019

First Posted

March 22, 2019

Study Start

May 1, 2019

Primary Completion

October 1, 2022

Study Completion

October 1, 2022

Last Updated

October 15, 2024

Record last verified: 2024-10

Data Sharing

IPD Sharing
Will not share

Locations