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Interdisciplinary Approach to Gerontology Research for Successful Aging in a Rapidly Aging Society

Interdisciplinary Approach to Gerontology Research for Successful Aging in a Rapidly Aging Society - Tokyo Oldest Old Survey on Total Health (TOOTH)

Status
Active, not recruiting
Phases
Unknown
Study type
Observational
Source
JPRN
Registry ID
JPRN-UMIN000001842
Enrollment
500
Registered
2009-04-10
Start date
2008-03-01
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

geriatric syndrome, frailty, nutrition, oral health, mental health

Interventions

None listed

Sponsors

Center for Supercentenarian Research, Keio University School ofMedicine
Lead Sponsor
Department of Complete Denture Prosthodontics, Nihon University School of Dentistry
Collaborator

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: The base population for the study participants was comprised of male and female inhabitants aged 85 years or older in the heart of the Tokyo Metropolitan area

Exclusion criteria

Exclusion criteria: severely ill, severe dementia

Design outcomes

Primary

MeasureTime frame
all-cause mortality, functional decline, QOL

Secondary

MeasureTime frame
institutionalization, geriatric syndrome

Countries

Japan

Contacts

Public ContactYasumichi Arai

Keio University School of Medicine Center for Supercentenarian Research

yasumich@z6.keio.jp03-3353-1211

Outcome results

None listed

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