- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT00029666
Study of Repetitive Transcranial Magnetic Stimulation in Parkinson's Disease
Placebo Controlled Study of Repetitive Transcranial Magnetic Stimulation (rTMS) for the Treatment of Parkinson's Disease
This study will examine the effects of repetitive transcranial magnetic stimulation (rTMS) on Parkinson's disease symptoms. rTMS is a way of stimulating the brain that may be able to change the electrical activity of the nerve cells in the brain. It has been proposed as a treatment for brain disorders, including Parkinson's disease. In preliminary studies, some patients' symptoms improved; in some they worsened temporarily, and some showed no change.
Patients between 40 and 80 years of age with moderately severe Parkinson's disease, whose main problem is slowness of movement and stiffness, may be eligible for this study.
Participants will be randomly assigned to one of two treatment groups: one will receive rTMS to parts of the brain involved in controlling movement; the other will receive sham, or placebo, stimulation. Nine treatments will be given over a 4-1/2 week period. Patients will take their Parkinson's disease medications during the study, but will stop taking the medicines for 4 to 5 hours before one of the sessions.
For rTMS, an insulated wire coil is placed on the scalp. A brief electrical current is passed through the coil, creating a magnetic pulse that stimulates the brain. The pulses are delivered in trains, or short bursts, lasting 1 second each. There will be 48 trains for a total of 1200 pulses per 24-minute session. The stimulation may cause muscle twitching in the scalp or face and may also cause small movements of the limbs.
Just before and after each rTMS session, patients will have a neurologic examination, including an evaluation of walking. Their motor function tests will be recorded on videotape to document possible improvement and to allow physicians to rate the improvement. The physicians will not know which patients are receiving actual rTMS and which are receiving sham treatment. Ratings before the first and after the last rTMS sessions will be more detailed.
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:
Men and women aged forty to eighty five years with DOPA-responsive, akinetic-rigid PD.
Patients who have not participated in Human Motor Control Section (HMCS) protocols for PD in the past will be interviewed and examined by either the PI or a Brain Stimulation Unit (BSU) or HMCS physician in order to establish the diagnosis of PD and rule out any neurologic condition.
Only patients with a Hoehn and Yahr grade of 3 to 5 while "off" will be accepted.
Patients must be on a regimen including levodopa, and have a total dose of medication equal to more than 375 mg of levodopa equivalent including their dopamine agonist agents.
Patients should have problems with walking, including freezing, so that their gait time for a 10-meter distance will be 5 seconds or more.
Any patient whose record does not contain a neurological examination from the past year will be reexamined before enrollment. The study will be explained and informed consent obtained by a protocol investigator.
EXCLUSION CRITERIA:
Any significant medical or psychiatric illness (other than PD), pregnancy (urine sample for the pregnancy test will be obtained prior to the rTMS start, at the day of the initial interview and signing the consent form), history of epilepsy, concurrent use of tricyclic antidepressants, neuroleptic agents, or any other licit or illicit drugs other than antiparkinsonian agents that could lower the seizure threshold.
Persons with surgically or traumatically implanted foreign bodies such as a pacemaker, implanted medication pump, metal plate in the skull, and metal inside the skull or eyes (other than dental appliances or fillings) that may pose a physical hazard during magnetic stimulation.
Patients for whom participation in the study would, in the opinion of the investigators, cause undue risk or stress for reasons such as tendency to fall, excessive fatigue, general frailty, or excessive apprehensiveness.
Mentally impaired patients having no capacity to provide their own consent will be excluded from the study. The physician establishing the diagnosis and applying UPDRS will evaluate patient's mental capacity using conventional clinical interview. No psychological tests will be used. Formal reevaluation will not be done.
Children are excluded since Parkinson's disease is not, generally, a disorder of children.
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Treatment
Collaborators and Investigators
Publications and helpful links
General Publications
- Aarsland D, Larsen JP, Waage O, Langeveld JH. Maintenance electroconvulsive therapy for Parkinson's disease. Convuls Ther. 1997 Dec;13(4):274-7.
- Belmaker RH, Grisaru N. Magnetic stimulation of the brain in animal depression models responsive to ECS. J ECT. 1998 Sep;14(3):194-205.
- Balldin J, Granerus AK, Lindstedt G, Modigh K, Walinder J. Neuroendocrine evidence for increased responsiveness of dopamine receptors in humans following electroconvulsive therapy. Psychopharmacology (Berl). 1982;76(4):371-6. doi: 10.1007/BF00449127.
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
Keywords
Additional Relevant MeSH Terms
Other Study ID Numbers
- 020105
- 02-N-0105
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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