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Clinical Trials/NCT07098572
NCT07098572RecruitingNot Applicable

Efficacy of EMG-triggered Four-Channel Functional Electrical Stimulation vs. Cyclic One-Channel Electrical Stimulation on Moderate Arm/Hand Paresis in Subacute Stroke Patients. A Randomized Controlled Single Blinded Multicenter Study

MED-EL Elektromedizinische Geräte GesmbH3 sites in 1 country44 target enrollmentStarted: August 12, 2025Last updated:
Conditions
Interventions

Trial Snapshot

Phase
Not Applicable
Status
Recruiting
Sponsor
Enrollment
44
Locations
3
Primary Endpoint
Stroke Impact Scale (SIS) subscale Recovery

Study Overview

Brief Summary

This study will compare two treatments that may help participants recover after having suffered from stroke. Persons who experience weakness or paralysis of their arms/hands will be randomly placed in one of two groups. Each receives treatment five times a week for three weeks. One group will be treated with electrostimulation following a cyclic pattern (control treatment), the other group will be treated with electrostimulation triggered by nerve signals (i.e. stimulation starts when they deliberately try to move their arm (investigational treatment). Before and after the three weeks and additionally 12 weeks later, the ability to move the arm and hand will be documented with standardized tests.

Study Design

Study Type
Interventional
Allocation
Randomized
Intervention Model
Parallel
Primary Purpose
Treatment
Masking
Single (Outcomes Assessor)

Eligibility Criteria

Ages
18 Years to 99 Years (Adult, Older Adult)
Sex
All
Accepts Healthy Volunteers
No

Inclusion Criteria

  • •First-time ischemic stroke with moderate arm paresis (Motricity Index - UE Sum-Score ≥ 40 ≤ 77 points) (Collin & Wade, 1990)
  • •Early to late subacute phase (7 days - 6 months) (Bernhardt et al., 2017)
  • •Existing ADL ability before the event (ICF d5 self-care, d6 domestic life, extent of problem ≤1 points) (WHO, 2001)
  • •Age ≥18 - 99 years
  • •Signed and dated ICF before the start of any study-specific procedure.

Exclusion Criteria

  • •Lack of compliance with any inclusion criteria
  • •Implanted defibrillators, brain stimulators, pacemakers, medication pumps
  • •Therapy-resistant epilepsy
  • •Fever or infectious diseases
  • •Inflammatory or tumorous skin diseases in the stimulation area,
  • •Thromboses or vein inflammations
  • •Severe contractures of the affected extremity
  • •Wounds in the stimulation area
  • •Pregnancy
  • •Known allergic reactions to components of the investigational medical device
  • •Unstable psychological status
  • •Participation in other pharmacological clinical investigations within four weeks prior to enrolment
  • •Anything that, in the opinion of the Investigator, would place the subject at increased risk or preclude the subject's full compliance with or completion of the study

Arms & Interventions

Electromyographic-triggered Multichannel Electrical Stimulation (EMG-MES)

Experimental

EMG-triggered, four channel neuromuscular stimulation used for the rehabilitation of moderate arm paresis

Intervention: Electromyogram-triggered 4 channel neuromuscular stimulation (Device)

Cyclic Neuromuscular Electrical Stimulation (cNMES)

Active Comparator

Single channel cyclic neuromuscular stimulation used for the rehabilitation of moderate arm paresis

Intervention: Cyclic single channel neuromuscular stimulation (Device)

Outcomes

Primary Outcomes

Stroke Impact Scale (SIS) subscale Recovery

Time Frame: pre-intervention to 3 weeks

Scores between 0 and 100, higher meaning a better outcome

Secondary Outcomes

  • Stroke Impact Scale (SIS), subscale strength(pre-intervention to 3 weeks)
  • Stroke impact scale (SIS) subscale hand function(pre-intervention to 3 weeks)
  • Fugl-Meyer Assessment - upper extremity (FMA-UE)(pre-intervention to 3 weeks)
  • Action Research Arm Test (ARAT)(pre-intervention to 3 weeks)
  • Safety assessment(through study completion, an average of 15 weeks)
  • Stroke impact scale (SIS) subscale Activities of Daily Living (ADL) / Instrumental Activities of Daily Living (IADL)(pre-intervention to 3 weeks)
  • Stroke impact scale (SIS) subscale mobility(pre-intervention to 3 weeks)

Investigators

Sponsor
MED-EL Elektromedizinische Geräte GesmbH
Sponsor Class
Industry
Responsible Party
Sponsor

Study Sites (3)

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