- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT00048490
Transcranial Magnetic Stimulation to Treat Epilepsy
Drug-Refractory Neocortical Epilepsy: rTMS Treatment
This study will use transcranial magnetic stimulation, or TMS (described below), to treat epilepsy in certain patients whose seizures persist despite optimum medical treatment. TMS used in this study is intended to lessen the number of seizures a patient has by decreasing excitability of the brain in the region where the seizures originate.
Patients between 5 and 65 years of age who have had epilepsy for two or more years and have had at least one seizure a week for at least 6 months may be eligible for this 18-week study. Their seizures must come from a neocortical focus-that is, near the surface of the brain. Candidates will be selected from the NIH Epilepsy clinic and will be screened with an electroencephalogram (EEG), magnetic resonance imaging (MRI) scans, and blood tests.
Participants will keep a diary of the seizures they experience over an 8-week period. After the 8 weeks, they will come to the NIH outpatient clinic for 6 consecutive days for the following procedures:
- Day 1: A regular clinic visit, plus 6 hours of video-EEG recording (described below)
- Days 2 through 5: Video-EEG monitoring and TMS as follows:
8:00 - 11: 00 a.m. 3 hours video-EEG monitoring
11:00 - 12:30 p.m. TMS (includes set-up time; actual stimulation time lasts 30 minutes)
12:30 - 3:00 p.m. Lunch + rest
3:00 - 4:30 p.m. TMS
4:30 - 7:30 p.m. 3 hours video-EEG monitoring
(On the fifth day, subjects will have 6 hours of video-EEG monitoring in the afternoon instead of 3 hours.)
Participants will be randomly assigned to one of two TMS groups. One group will have TMS delivered in a way that is thought to have a chance of reducing seizures; the other will have sham, or placebo, stimulation.
When the TMS sessions are completed, participants will keep a diary of their seizures for another 8 weeks.
Transcranial Magnetic Stimulation
For TMS, an insulated wire coil is placed on the subject's scalp. A brief electrical current passes through the coil, creating a magnetic pulse that travels through the scalp and skull and causes small electrical currents in the cortex, or outer part of the brain. The stimulation may cause muscle, hand or arm twitching, or may cause twitches or temporary tingling in the forearm, head, or face muscles. During the stimulation, electrical activity of muscles is recorded with a computer or other recording device, using electrodes attached to the skin with tape. Some TMS sessions may be videotaped.
Video-EEG Recordings
The EEG recording device is housed in a small pouchlike container that is worn below the shoulder, attached to a belt worn around the waist.
Study Overview
Status
Conditions
Intervention / Treatment
Detailed Description
Study Type
Enrollment
Phase
- Phase 2
Contacts and Locations
Study Locations
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Maryland
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Bethesda, Maryland, United States, 20892
- National Institute of Neurological Disorders and Stroke (NINDS)
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Participation Criteria
Eligibility Criteria
Ages Eligible for Study
- Child
- Adult
- Older Adult
Accepts Healthy Volunteers
Genders Eligible for Study
Description
INCLUSION CRITERIA:
Patients will be selected from the ERB, NINDS, NIH Epilepsy Clinic.
Age 5 to 65 at entry to protocol.
History of localization-related epilepsy for two or more years.
Patients are on a stable anti-convulsant regimen defined as unchanged medicines and dose modifications lower than 20% in the last month. Blood levels of anticonvulsants will be measured at the beginning of the study, prior to stimulation and after the study to assure that the type and dose of medication will remain constant.
Seizures are not completely responsive to medical treatment (1 or more seizures per week for at least 6 months) and patients have continued seizures despite best medical treatment in the past.
The patients have a localized neocortical seizure focus, based on EEG and neuroimaging findings.
EXCLUSION CRITERIA:
Patients will be excluded from this study if they:
- are pregnant women (tested with urine pregnancy test). The effects of rTMS on pregnancy are unknown.
- have severe coronary disease.
- have increased intracranial pressure as expressed by the presence of papilledema.
- have cardiac pacemakers.
- take neuroleptic or antidepressant medications.
- progressive neurologic disease.
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Treatment
Collaborators and Investigators
Study record dates
Study Major Dates
Study Start
Study Completion
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Estimate)
Study Record Updates
Last Update Posted (Estimate)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Additional Relevant MeSH Terms
Other Study ID Numbers
- 030024
- 03-N-0024
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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