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Supplementary Motor Area is a Potential Target for Speech Disturbance in Parkinson Disease

Parkinson Disease Clinical Trial

Official title:
Supplementary Motor Area is a Potential Target for Speech Disturbance in Parkinson Disease

Clinical Trial Summary

Speech disturbance is common in patients with Parkinson disease. Pharmacotherapy improves motor symptoms but has inconsistent effects on speech disturbance in PD patients. Transcranial magnetic stimulation (TMS) is a safe and non-invasive tool used for brain stimulation. Repetitive transcranial magnetic stimulation (rTMS) has positive effects on motor function of PD. Yet, its effect on speech disturbance seems to be inconclusive. Previous rTMS studies mainly focused on the primary motor cortex for PD speech disturbance. Nevertheless, we think supplementary motor area (SMA) may be a better target. Speech disturbance in PD may be associated with basal ganglia-thalamocortical motor circuits and SMA involves in the cortex part. In addition, neuroimaging studies showed that SMA were under-activation in PD patients. Therefore, we conduct this 3-year study including two experiments. The aim of the study is to determine if rTMS over SMA can improve the speech function of PD patients and change the functional connectivity of speech pathway in the brain. This will be the first study to investigate the effect of rTMS over SMA on speech.

Clinical Trial Description

n/a

Study Design

Related Conditions & MeSH terms

Clinical Trial Details
NCT number NCT05478057
Study type Interventional
Source Chang Gung Memorial Hospital
Contact
Status Not yet recruiting
Phase N/A
Start date August 1, 2022
Completion date December 31, 2025
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