Condition: Parkinson Disease · Deep Brain Stimulation · Sponsor: Beijing Tiantan Hospital
The core symptoms of Parkinson's disease (PD) include both motor and non-motor symptoms. Cognitive impairment is one of the most common non-motor symptoms in PD patients, with approximately 30% of patients exhibiting cognitive dysfunction at diagnosis and up to 80% eventually progressing to dementia. Among these, impairment of inhibitory control is the most detrimental cognitive dysfunction, as patients with compromised inhibitory control have difficulty suppressing impulsive behaviors and maintaining attention, which severely reduces their quality of life. The subthalamic nucleus (STN) plays an important role in the development and progression of PD. Along its longitudinal axis from posterior to anterior, it can be divided into three subregions: motor, associative, and limbic. The motor subregion receives extensive projections from the motor cortex and serves as a core node in the PD motor network, participating in the coordination and control of motor function. The associative subregion receives widespread projections from the prefrontal cortex and serves as a core node in the cognitive control network, regulating cognitive processes such as inhibitory control, set-shifting, and working memory. High-frequency (\>100Hz) deep brain stimulation of the STN (STN-DBS) is a well-established effective treatment for mid-to-late stage PD and can significantly improve motor symptoms. However, long-term high-frequency stimulation may exacerbate cognitive impairment. Recent studies ha…
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Hutao Xie · +8618756921517 · xieht0123@163.com
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| Beijing Tiantan Hospital, Capital Medical University | Beijing, Beijing Municipality, China | Recruiting |
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Source record: clinicaltrials.gov/study/NCT07022522