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Cognitive decline and impaired activities of daily livings caused by the gut microbiota

Cognitive decline and impaired activities of daily livings caused by the gut microbiota - Cognitive decline and impaired activities of daily livings caused by the gut microbiota

Status
Recruiting
Phases
Unknown
Study type
Observational
Source
JPRN
Registry ID
JPRN-UMIN000034315
Enrollment
200
Registered
2018-10-01
Start date
2018-12-05
Completion date
Unknown
Last updated
2026-06-29

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

cognitive decline and cerebrovascular diseases

Interventions

None listed

Sponsors

National Center for Geriatrics and Gerontology
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: Patients who visit the memory clinic at the National Center for Geriatrics and Gerontology (NCGG) and agreed to both the medical check-up of cognitive function and the fecal examination to survey gut microbiota.Patients were eligible for the present study if they: (1) can undergo a brain magnetic resonance imaging (MRI); (2) have provided informed consent in writing; (3) are accompanied by a study partner to assess the patient's condition.

Exclusion criteria

Exclusion criteria: Patients if they: (1) are unable to undergo MRI examination, or MRI cannot be evaluated due to body movement; (2) having any local lesion such as cerebral infarction(s) detected by MRI before enrollment that can greatly affect the cognitive function; (3) having a history of major psychological disorder, or alcohol/drug abuse as a current serious or unstable disease; (4) are having less than 6 years of education; (5) are having a history of digestive cancer; (6) are judged by an investigator to be ineligible to participate as a study subject.

Design outcomes

Primary

MeasureTime frame
Cognitive decline, functional status, cardiovascular diseases

Countries

Japan

Contacts

Public ContactNaoki Saji

National Center for Geriatrics and Gerontology Center for Comprehensive Care and Research on Memory Disorders

sajink@nifty.com0562-46-2311

Outcome results

None listed

Source: JPRN (via WHO ICTRP) · Data processed: Jul 3, 2026