About this trial
After a stroke, it is very common to lose the ability to open the affected hand. Occupational and physical rehabilitation therapy (OT and PT) combined with non-invasive brain stimulation may help a person recover hand movement.
The purpose of this study is to compare 3 non-invasive brain stimulation protocols combined with therapy to see if they result in different amounts of recovery of hand movement after a stroke.
Eligibility criteria
This trial does not accept healthy volunteersQualifiers
Age ≥ 21 and ≤ 90
≥ 6 and ≤ 24 months since first clinical hemorrhagic or nonhemorrhagic stroke
Able to follow 3-stage command
Able to remember 2 of 3 items after 30 minutes
Disqualifiers
Co-existing neurological condition other than prior stroke involving the hemiparetic upper limb (e.g., peripheral nerve injury, PD, SCI, TBI, MS).
Uncontrolled seizure disorder
Use of seizure lowering threshold medications and the discretion of the study physician
Cardiac pacemaker or other implanted electronic device
Trial design
Parallel
Treatments tested in this trial
Active conventional tDCS montage plus CCFES
DevicetDCS is a non-invasive brain stimulation technique. A small machine (9-volt battery operated device) will use a weak amount of electric current to stimulate the brain without any invasive procedure. Electrodes, covered in sponges soaked in saline, will be placed over certain parts of your head and held in place using a rubber strap. In addition, an electrical stimulator will be used to deliver electrical current through surface electrodes to produce hand opening by making the paretic finger and thumb extensor muscles contract.
Active unconventional tDCS montage plus CCFES
DevicetDCS is a non-invasive brain stimulation technique. A small machine (9-volt battery operated device) will use a weak amount of electric current to stimulate the brain without any invasive procedure. Electrodes, covered in sponges soaked in saline, will be placed over certain parts of your head and held in place using a rubber strap. In addition, An electrical stimulator will be used to deliver electrical current through surface electrodes to produce hand opening by making the paretic finger and thumb extensor muscles contract.
Sham tDCS plus CCFES
DeviceAn electrical stimulator will be used to deliver electrical current through surface electrodes to produce hand opening by making the paretic finger and thumb extensor muscles contract. The stimulator can be programmed to deliver stimulation with an intensity that corresponds to the opening of a glove instrumented with sensors and plugged into the stimulator.
CCFES with Occupational Therapy
BehavioralAn electrical stimulator will be used to deliver electrical current through surface electrodes to produce hand opening by making the paretic finger and thumb extensor muscles contract. The stimulator can be programmed to deliver stimulation with an intensity that corresponds to the opening of a glove instrumented with sensors and plugged into the stimulator. During the lab visits, all participants will use CCFES to assist hand opening during occupational therapy task practice.
Treatment groups
Trial outcomes
Primary outcomes
Box and Blocks Test (BBT)
The BBT counts how many blocks a patient can pick up, move over a barrier, and release in 60 seconds.
Secondary outcomes
Upper Extremity Fugl-Meyer Assessment (UEFM).
The UEFM is a reliable and valid measure of post-stroke upper limb motor impairment
Other outcomes
Neurophysiologic Assessments
Neurophysiologic assessments will be performed using TMS. Measures of excitability and inhibition will be measured.
Sponsors and contacts
Click on the lead sponsor to view all of their trials.