Plain-English translation of NCT03887663 on ClinicalTrials.gov ↗ · Source last updated · Translation generated · How we translate trials
Read our Parkinson Disease research guide →This is a research database project that follows people with Parkinson's disease over time. Researchers want to collect detailed health information from about 3,000 patients with Parkinson's disease in China to understand how the disease differs between individuals, what factors influence how quickly it progresses, and whether there are genetic or environmental patterns that explain these differences.
Parkinson's disease is complicated and affects people differently — some progress slowly while others decline more quickly. Doctors don't yet fully understand why these differences exist or how to predict what will happen to each patient. This study aims to build a detailed picture of how the disease unfolds in Chinese patients so that future treatments can be more personalized and effective.
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You would visit the research center at baseline and then return for follow-up visits about once a year for several years. At each visit, you would complete questionnaires about your disease history, lifestyle, family history, and any exposures (like pesticides or head injuries). Doctors would perform a neurological examination and assess your symptoms using standardized rating scales. Blood or genetic samples may be collected to help researchers understand the biological basis of your disease.
AI-generated summary from trial data · Jul 4, 2026 · Not medical advice
China
Enrollment target
~3,000 participants
Started
February 2017
Primary completion
February 2027
Last updated on clinicaltrials.gov in December 2019.
Reach out to the team running this trial. Response times vary — some teams are faster than others.
Central contact
Qiying Sun, Ph.D
Xiangya Hospital of Central South University
Tell us you're interested and we'll help connect you with the research team. We'll walk you through what to expect first — no email needed to get started.