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Following Parkinson's that begins at a younger age

Researchers are collecting symptoms, laboratory measures and thinking assessments over time.

Research study · Study reference: ChiCTR1800020038

Plain-language introduction written with AI from the registry; not independently checked by a clinician. Read the original details below ↓

This registry record was last updated over six months ago, or its update date is missing. Recruitment may have changed. Confirm with the team before making plans.

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Looking for volunteers

Start (reported date)
2017-07-01

Planned dates can move. A study finishing does not tell us when a paper will be published.

No results summary has been confirmed in the registry records we imported. See connected papers below; we keep checking after recruitment ends.

Changes we have recorded
  • 2026-10-11 — recruiting

These are dates we observed a change, not necessarily the dates it happened.

Papers connected to this study

No connected paper has been found yet. The tracker checks the growing library for study identifiers and registry-linked publications.

Who can join?

Age range not listed · Ask the team who can join

These are starting points, not the full rules. The research team can tell you whether the study is right for your situation.

Read all the rules for taking part

Sex eligibility reported by registry: both

Inclusion criteria: Patients with Parkinson's disease (PD) with an onset age of =45 years, including the following two situations: Diagnosis of clinically established PD requires: 1. Absence of absolute exclusion criteria 2. At least two supportive criteria 3. No red flags. Diagnosis of clinically probable PD can be made in: 1. Absence of absolute exclusion criteria 2. Presence of red flags counterbalanced by supportive criteria, ie, if one red flag is present there must also be at least one supportive criterion; if two red flags, at least two supportive criteria are needed. If there are more than two red flags, clinically probable PD cannot be diagnosed. Exclusion criteria: Patients who did not meet the 2016 edition of the ""Chinese Diagnostic Standard for Parkinson's Disease""; patients who did not agree to sign the informed consent form for clinical follow-up and case collection
Full study name & original research details

Official study title

A cohort study for rare disease of early onset Parkinson disease

Original description

Intervention: Case series:Nil; Primary outcome: The severity of Parkinson disease;Laboratory inspection;Neuroelectrophysiological indicators; Secondary outcome: Demography;Medical history;Cognition;Anxiety and depression;Non-motor symptoms;Quality of life;Sleep;Imaging inspection;

Conditions reported: Early onset Parkinson disease

Registry records for this study

Records are joined using registration identifiers. Titles alone do not establish that two studies are the same.

Study type
Not reported
Interventions
Case series:Nil;
Phases
Other
Sponsor
West China Hospital, Sichuan University
Start date reported by registry
2017-07-01 (reported)

Registry updated: Not reported · Status last verified by the registry submitter: Not reported

Registry records retrieved 2026-10-14 (UTC). Individual records may have older updates. Recruitment and eligibility must be confirmed with the study team.

Contact the research team

Public study contacts supplied to the registry. Ask whether recruitment is still open and what participation involves.

Huifang Shang · +86 18980602127 · hfshang2002@126.com

Study locations

Site status can differ from overall study status. “Status not reported” means local availability needs confirmation. Remote participation and travel arrangements must be checked with the team.

Facility not reported

China

Status not reported

The original descriptions and participation rules come from the registry. Participation is voluntary and does not guarantee benefit.