Exploring brain stimulation effects on cognitive impairment in Parkinson's disease

Effect and Mechanism of Deep Brain Stimulation and Transcranial Magnetic Stimulation on Parkinson's Disease With Cognitive Impairment

Observational Tianjin Huanhu Hospital · NCT06090682

This study is testing how brain stimulation treatments can help improve thinking and memory problems in people with Parkinson's disease.

Quick facts

Study typeObservational
Enrollment200 (estimated)
AgesN/A to 75 Years
SexAll
SponsorTianjin Huanhu Hospital Academic / other
Locations1 site (Tianjin, Tianjin Municipality)
Trial IDNCT06090682 on ClinicalTrials.gov

What this trial studies

This observational study aims to investigate the effects of deep brain stimulation (DBS) and transcranial magnetic stimulation (TMS) on cognitive impairment in patients with Parkinson's disease (PD). Utilizing advanced neuroimaging techniques, the study will analyze structural and functional brain network changes before and after treatment. By examining the relationship between neural regulation and cognitive symptoms, the research seeks to identify optimal stimulation sites and improve clinical outcomes for PD patients. The findings could provide insights into the mechanisms underlying cognitive decline in Parkinson's disease.

Who should consider this trial

Good fit: Ideal candidates for this study are individuals diagnosed with Parkinson's disease for over five years who exhibit cognitive impairment and are eligible for deep brain stimulation.

Not a fit: Patients with severe cognitive impairment, psychiatric disorders, or atypical parkinsonism may not benefit from this study.

Why it matters

Potential benefit: If successful, this study could lead to improved cognitive function in Parkinson's disease patients through targeted brain stimulation techniques.

How similar studies have performed: Previous studies have shown promising results with brain stimulation techniques in improving cognitive symptoms in Parkinson's disease, indicating potential for success in this approach.

Eligibility criteria

Show full inclusion / exclusion criteria
Inclusion Criteria:

1\. The clinical diagnosis of PD is consistent with the United Kingdom Parkinson's Disease Society Brain Bank criteria, with disease duration over 5 years, acute levodopa motor response ≥30%, and indication for STN-DBS.

Exclusion Criteria:

Exclusion criteria included patients with severe cognitive impairment, severe psychiatric disorders, acute levodopa motor response less than 30%, atypical parkinsonism, and contraindications to surgery.

Where this trial is running

Tianjin, Tianjin Municipality

Study contacts

How to participate

  1. Review the eligibility criteria above with your treating physician.
  2. Visit the official trial page on ClinicalTrials.gov for the most current contact information and recruitment status.
  3. Contact the listed study coordinator or principal investigator to request pre-screening. Pre-screening is free and never obligates you to enroll.
Conditions Parkinson DiseaseCognitive ImpairmentDeep brain stimulationTranscranial magnetic stimulation
Last reviewed 2026-06-13 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.