Stroke Clinical Trial - Safety & Effectiveness of Cortical Stimulation in

Status Active, not recruiting

Clinical Trial Summary

The purpose of this study is to assess the safety and effectiveness of cortical stimulation delivered concurrent with rehabilitation activities to enhance motor recovery in patients suffering from hemiparesis affecting the upper extremity following a stroke.

Clinical Trial Description

Stroke is a leading cause of serious, long-term disability in the United States. According to the American Stroke Association, the prevalence of stroke in the U.S. is approximately 4.8 million with approximately 700,000 additional strokes occurring annually. The 2001 overall death rate for stroke was 58%. Of those who survive, 30 to 50 percent do not regain functional independence, 15 to 30 percent are permanently disabled, and 20% require institutional care at three months after onset.

The most common neurological deficit among these stroke survivors, and thus a substantial contributor to post-stroke disability, is a motor weakness on one (hemiparesis) side of the body. Presently, the only treatment available for patients with motor deficits is rehabilitative therapy. However, many patients are not responsive to standard rehabilitative therapy or achieve a less than satisfactory improvement in function.

The primary objective of this study is to determine the safety and effectiveness of targeted sub-threshold epidural cortical stimulation delivered concurrent with rehabilitation activities to enhance motor recovery in patients suffering from hemiparesis (a motor weakness in one half of the body) affecting the upper extremity (shoulder, arm, wrist, hand) following a stroke. In addition to evaluating changes from baseline level, safety and efficacy measures will be compared to patients who undergo the same rehabilitation activities but without cortical stimulation. The two study groups will be compared to determine the degree to which motor function of the affected limb can be improved beyond rehabilitation alone by epidural stimulation of a targeted cortical region. ;

Study Design

Allocation: Randomized, Endpoint Classification: Safety/Efficacy Study, Intervention Model: Parallel Assignment, Masking: Single Blind (Outcomes Assessor), Primary Purpose: Treatment

Related Conditions & MeSH terms

Clinical Trial Details

NCT number	NCT00170716
Study type	Interventional
Source	Northstar Neuroscience
Contact
Status	Active, not recruiting
Phase	Phase 3
Start date	September 2004
Completion date	March 2008

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See also
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Clinical trials are conducted in a series of steps, called phases - each phase is designed to answer a separate research question.

Phase 1: Researchers test a new drug or treatment in a small group of people for the first time to evaluate its safety, determine a safe dosage range, and identify side effects.
Phase 2: The drug or treatment is given to a larger group of people to see if it is effective and to further evaluate its safety.
Phase 3: The drug or treatment is given to large groups of people to confirm its effectiveness, monitor side effects, compare it to commonly used treatments, and collect information that will allow the drug or treatment to be used safely.
Phase 4: Studies are done after the drug or treatment has been marketed to gather information on the drug's effect in various populations and any side effects associated with long-term use.

Safety and Effectiveness of Cortical Stimulation in the Treatment of Stroke Patients With Upper Extremity Hemiparesis — EVEREST

Clinical Trial Summary

Clinical Trial Description

Study Design

Related Conditions & MeSH terms