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Gut bacteria and thinking difficulties

This study compares gut microbes and brain scans in people with Parkinson's with and without mild thinking changes.

Research study · Study reference: ChiCTR1900024207

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)
2019-07-01

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?

Ages 18 to 60 · 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: (1) Meet the criteria for idiopathic PD: The diagnosis of PD was independently performed in accordance with the British Brain Bank PD diagnostic criteria by two neurologists who held positions of attending physicians; (2) Agree to take the medical history, neurological examination, feces and MR imaging; (3) Agree to conduct a complete cognitive assessment. Exclusion criteria: (1) Presence of dementia according to the Movement Disorders Society (MDS) criteria; (2) Exclude patients with epilepsy, stroke or other neurological diseases; (3) Exclude patients whose information is not complete.
Full study name & original research details

Official study title

The mechanism research of gut microbiota in Parkinson's Disease with cognitive impairment based on radiomicrobiomics

Short title used by the registry

Gut microbiota in Parkinson's Disease with cognitive impairment.

Original description

Intervention: Parkinson's disease with mild cognitive impairment:No Intervention;Parkinson's disease without mild cognitive impairment:No Intervention; Primary outcome: Gut microbiota;MR imaging;

Conditions reported: 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
Parkinson's disease with mild cognitive impairment:No Intervention;Parkinson's disease without mild cognitive impairment:No Intervention;
Phases
0
Sponsor
Guangdong Provincial People's Hospital, Guangdong Academy of Medical Science
Start date reported by registry
2019-07-01 (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.

Nie Kun · +86 13360563651 · zjh123zzq@163.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.