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Clinical Trial Summary

This study is to investigate the immediate effects of intermittent theta burst stimulation (iTBS) on intracortical excitatory and inhibitory circuits, neural connectivity, and network properties in patients with chronic stroke, using transcranial magnetic stimulation and electroencephalogram (TMS-EEG) and TMS-electromyography (EMG) and approaches.


Clinical Trial Description

The neurophysiological effect of intermittent theta burst stimulation (iTBS) has been examined with TMS-electromyography (EMG)-based outcomes in healthy people; however, its effects in intracortical excitability and inhibition are largely unknown in patients with stroke. Concurrent transcranial magnetic stimulation and electroencephalogram (TMS-EEG) recording can be used to investigate both intracortical excitatory and inhibitory circuits of the primary motor cortex (M1) and the property of brain networks. This study is to investigate the immediate effects of iTBS on intracortical excitatory and inhibitory circuits, neural connectivity, and network properties in patients with chronic stroke, using TMS-EEG and TMS-EMG approaches. In this randomized, sham-controlled, crossover study, 21 patients with chronic stroke receive two separate stimulation conditions: a single-session iTBS or sham stimulation applied to the ipsilesional M1, in two separate visits, with a washout period of five to seven days between the two visits after crossover. A battery of TMS-EMG and TMS-EEG measurements are taken before and immediately after stimulation during the visit. ;


Study Design


Related Conditions & MeSH terms


NCT number NCT05509686
Study type Interventional
Source The Hong Kong Polytechnic University
Contact
Status Completed
Phase N/A
Start date July 15, 2020
Completion date May 15, 2022

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