- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT04129242
taVNS for Upper Limb Rehabilitation
Optimization of Closed-loop Transcutaneous Auricular Vagus Nerve Stimulation (taVNS) as a Neurorehabilitation Tool
Study Overview
Status
Conditions
Intervention / Treatment
Detailed Description
This study aims to refine and develop closed loop taVNS, establish activity with key biomarkers, and show initial feasibility in a small clinical trial. For paired taVNS to succeed as a clinical treatment, it is critical to develop and refine a closed-loop taVNS platform that delivers stimulation concurrently during specific movements of the motor rehabilitation training.
Aim 1 develops this novel motion-gated closed-loop system that delivers taVNS in synchrony with specific upper limb motor activation (n=5) Aim 2 will combine the development of the closed-loop system with the investigator's mechanistic understanding to explore an open-label pilot trial (n=20) using closed-loop taVNS paired with task-specific training to determine the feasibility, safety, and potential effect size of this novel combination therapy.
Study Type
Enrollment (Actual)
Phase
- Early Phase 1
Contacts and Locations
Study Contact
- Name: Bashar Badran, PhD
- Phone Number: 843-792-6076
- Email: badran@musc.edu
Study Contact Backup
- Name: Brenna Baker-Vogel, BS
- Phone Number: 843-792-0651
- Email: bakebren@musc.edu
Study Locations
-
-
South Carolina
-
Charleston, South Carolina, United States, 29425
- Medical University of South Carolina
-
-
Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Description
Inclusion Criteria:
- 18-80 years old
- Ischemic or hemorrhagic stroke that occurred at least 6 months prior
- Completed conventional rehabilitation therapy at least one month prior
- Unilateral limb weakness with Fugl Meyer-Upper Extremity Scale score less than or equal to 58 (out of 66)
Exclusion Criteria:
- Primary intracerebral hematoma, or subarachnoid hemorrhage
- Bilateral upper extremity weakness
- Other concomitant neurological disorders affecting upper extremity motor function
- Documented history of dementia before or after stroke
- Documented history of uncontrolled depression or psychiatric disorder either before or after stroke which could affect their ability to participate in the experiment
- Uncontrolled hypertension despite treatment, specifically SBP (Systolic Blood Pressure) / DBP (Diastolic Blood Pressure) >=180/100mmHg at baseline
- Contraindicated for MRI scanning.
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Treatment
- Allocation: Randomized
- Interventional Model: Parallel Assignment
- Masking: None (Open Label)
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Active Comparator: "paired" taVNS + Task Specific Training
|
A closed-loop taVNS system that delivers taVNS with upper-limb rehabilitation training in a chronic stroke population.
|
Active Comparator: "unpaired" taVNS + Task Specific Training
|
A closed-loop taVNS system that delivers taVNS with upper-limb rehabilitation training in a chronic stroke population.
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Change in Fugl-Meyer Assessment of the Upper Extremity
Time Frame: Mean change in FMA-UE score after 4 weeks of rehab, compared to baseline
|
The Fugl-Meyer Assessment of the Upper Extremity (FMA-UE) is a stroke rehabilitation assessment of arm/hand movement impairment.
It is scored by assigning 30 items assessing voluntary arm/hand movements and 3 items assessing reflexes an ordinal rating (0=unable, 1=partial, 2=near normal), then summing the ratings to obtain a general statement of ability.
Possible aggregate scores range from 0/66 to 66/66 points.
Higher scores indicate greater levels of arm movement ability.
|
Mean change in FMA-UE score after 4 weeks of rehab, compared to baseline
|
Collaborators and Investigators
Study record dates
Study Major Dates
Study Start (Actual)
Primary Completion (Actual)
Study Completion (Actual)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Actual)
Study Record Updates
Last Update Posted (Actual)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Additional Relevant MeSH Terms
Other Study ID Numbers
- 00086291
- 5P20GM109040 (U.S. NIH Grant/Contract)
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Studies a U.S. FDA-regulated device product
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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