RecruitingNot ApplicableNCT07041775

MINT Conditioning to Improve Gait

MINT Conditioning to Improve Post-stroke Gait


Sponsor

Northwestern University

Enrollment

72 participants

Start Date

Jun 4, 2026

Study Type

INTERVENTIONAL

Conditions

Summary

This study will test the ability of myoelectric interface for neurorehabilitation (MINT) training to improve walking function.


Eligibility

Min Age: 18 YearsMax Age: 85 Years

Inclusion Criteria6

  • Age at enrollment is 18 to 85
  • Leg impairment from unilateral stroke at least 6 months prior to screening
  • Severe to moderate gait impairment (ambulatory with a maximum walking speed of 0.8 m/s, i.e., half of normal speed)
  • Able to stand without assistance
  • Clinically observable gait asymmetry
  • Abnormal co-activation between adductor magnus and rectus femoris (R greater than or equal to 0.5)

Exclusion Criteria13

  • Cognitive impairment with at least moderately impaired attention on digit-span test, or unable to follow instructions of the MINT task
  • Visual impairment (such as hemianopia) preventing sufficient perception of the screen to play the games
  • Anesthesia or severe neglect in the affected leg, or visual hemineglect (score of 2 on the NIH Stroke Scale Extinction and Inattention subtest) that impairs ability to play the games
  • Participation in another study on the affected leg, or any pharmacological study, within 6 weeks of enrollment
  • Inability to understand or follow commands in English due to aphasia or other reason that makes it impossible to perform the training
  • Diffuse or multifocal infarcts
  • Substantial leg or other pain preventing participation for 60 minutes a day
  • Spasticity treatment (pharmacological or Botox) on the affected leg within past 3 months
  • Severe osteoporosis causing hip or other fractures
  • History of multiple falls within the last year, use of walker for balance, or falling during stance while in the lab in the first session.
  • Contracture limiting the range of motion of the leg
  • Current pregnancy
  • From the TMS portion of the study only: History of epilepsy in adulthood requiring antiseizure medications; recent/current alcoholism or benzodiazepine/barbiturate abuse or recent history of alcohol/benzodiazepine/barbiturate withdrawal, recent history of cocaine or amphetamine use, skull fractures or skull deficits, concussion within the last 6 months, unexplained recurring headaches, vagus nerve stimulator, cochlear implant, deep brain stimulator, intracranial/carotid stents, cardiac pacemaker/AICD.

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Interventions

OTHERmyoelectric interface for neurorehabilitation (MINT) conditioning

Myoelectric interface for neurorehabilitation (MINT) conditioning involves training to reduce abnormal co-activation of limb muscles to improve movement.

OTHEROne muscle myoelectric feedback

Training to control muscle activity in one muscle only.


Locations(2)

Northwestern University

Chicago, Illinois, United States

University of Texas Southwestern Medical Center

Dallas, Texas, United States

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NCT07041775


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