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Identification of Optimal Stimulation Site for Cervical Dystonia Symptoms: An Exploratory Study

Cervical Dystonia Clinical Trial

Official title:
Identification of Optimal Stimulation Site for Cervical Dystonia Symptoms: An Exploratory Study

Clinical Trial Summary

The overall objective of this application is to therapeutically target the dysfunctional premotor-motor interaction in dystonia—and to provide a focused treatment of specific anatomical networks in order to reduce side effects and to improve symptom control over conventional therapies.

Clinical Trial Description

We propose using repetitive transcranial magnetic stimulation (rTMS) over distinct premotor areas in patients with cervical dystonia (CD) with the goal of improving symptoms and reducing unwanted side effects. The knowledge gained in this proposed research will identify a specific premotor area to be targeted with rTMS that is expected to result in a novel intervention that could enhance or replace current treatments for CD. rTMS could be included as an adjunct treatment to botulinum toxin that could sustain treatment effect and decrease the frequency of re-injection, potentially resulting in cost savings without a decrease in symptom control. In addition to medical cost reduction, improved quality of life could be expected with the successful development of therapies that extend dystonia symptom control. rTMs has been FDA-approved for the treatment of depression and our proposal uses an even lower stimulation rate, suggesting continued use within clearly safe parameters. Successful completion of this research could lead to rapid adoption of this therapeutic modality.

We will test the hypothesis that rTMS of a distinct premotor site will provide more effective treatment of CD than non-specific activation of the entire premotor region. This will be done by performing a randomized, observer-blinded exploratory pilot study to determine the optimal site of rTMS over various sites of the premotor and motor cortex to improve the symptoms of cervical dystonia. Completion of this aim should lead to development of targeted TMS therapy for CD. ;

Study Design

Allocation: Randomized, Endpoint Classification: Efficacy Study, Intervention Model: Crossover Assignment, Masking: Double Blind (Subject, Outcomes Assessor), Primary Purpose: Treatment

Related Conditions & MeSH terms

Clinical Trial Details
NCT number NCT01859247
Study type Interventional
Source University of New Mexico
Contact
Status Completed
Phase N/A
Start date March 2013
Completion date June 2014
View Details
See also
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