# The National Registry Study For the Real-world Patients With Parkinsonian Disorders in China

> **NCT03649503** · — · RECRUITING · sponsor: **Huashan Hospital** · enrollment: 100000 (estimated)

## Conditions studied

- Parkinsonian Disorders

## Interventions

- **OTHER:** No intervention

## Key facts

- **NCT ID:** NCT03649503
- **Lead sponsor:** Huashan Hospital
- **Sponsor class:** OTHER
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** RECRUITING
- **Start date:** 2018-10-01
- **Primary completion:** 2028-09-30
- **Final completion:** 2033-09-30
- **Target enrollment:** 100000 (ESTIMATED)
- **Last updated:** 2025-10-02

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## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT03649503

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT03649503, "The National Registry Study For the Real-world Patients With Parkinsonian Disorders in China". Retrieved via AI Analytics 2026-05-26 from https://api.ai-analytics.org/clinical/NCT03649503. Licensed CC0.

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*[Clinical trials dataset](/datasets/clinical-trials) · CC0 1.0*