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Effects of Home-based Neurostimulation Associated With Motor Training in Chronic Stroke Patients

U

University of Sao Paulo General Hospital

Status and phase

Completed
Phase 2
Phase 1

Conditions

Stroke

Treatments

Device: Relief band (Somatosensory stimulation)
Device: Placebo stimulation

Study type

Interventional

Funder types

Other

Identifiers

NCT01034150
1309-06
477916/06-6 (Other Grant/Funding Number)

Details and patient eligibility

About

Objective: To investigate effects of home-based somatosensory stimulation associated with motor training on improvement in performance of the paretic upper extremity in patients in the chronic phase after stroke.

Full description

Design: Double-blind, randomized, controlled clinical trial. Setting: Home-based rehabilitation. Subjects: Patients in the chronic phase (> 6 months) after stroke. Interventions: Patients will be randomized to an active and a control group. In both groups, treatments will be performed at home, daily, over four weeks. Patients in the active group will be instructed to use a device that provides somatosensory stimulation in the form of electrical stimulation of the median nerve for two hours. Patients in the control group will also be instructed to use the device for two hours, and sham stimulation will be administered. In both groups, patients will be instructed to train activities with the paretic hand immediately after nerve stimulation.

Main measures: The primary outcome will be improvement in performance of the paretic hand evaluated by the Jebsen-Taylor test at end of treatment and four months after end of treatment, compared to baseline. Secondary outcomes were: 1) Compliance with the interventions, assessed through a daily written log, and oral reports of the patients; 2) safety profile of the interventions.

Enrollment

20 patients

Sex

All

Ages

18 to 80 years old

Volunteers

No Healthy Volunteers

Inclusion criteria

  • age 18-80 years;
  • single ischemic or hemorrhagic stroke in a cerebral hemisphere, documented by computed tomography (CT) or magnetic resonance imaging (MRI);
  • stroke onset at least six months before;
  • hand paresis with preserved ability to perform all tasks of the Jebsen-Taylor Test (JTT).

Exclusion criteria

  • previous strokes;
  • epilepsy and other neurological conditions;
  • proprioceptive or tactile anesthesia;
  • shoulder or hand pain;
  • severe joint deformity;
  • severe chronic disease;
  • inability to give provide informed consent due to severe aphasia or cognitive impairment;
  • left handedness before the stroke.

Trial design

Primary purpose

Treatment

Allocation

Randomized

Interventional model

Parallel Assignment

Masking

Triple Blind

20 participants in 2 patient groups, including a placebo group

Somatosensory stimulation
Active Comparator group
Description:
Active group
Treatment:
Device: Relief band (Somatosensory stimulation)
Control group
Placebo Comparator group
Description:
Placebo stimulation
Treatment:
Device: Placebo stimulation

Trial contacts and locations

1

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Data sourced from clinicaltrials.gov

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