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Prospective study of related factors and biomarkers in the predementia stage of Alzheimer's disease

Prospective study of related factors and biomarkers in the predementia stage of Alzheimer's disease

Status
Recruiting
Phases
Early Phase 1
Study type
Observational
Source
ChiCTR
Registry ID
ChiCTR2100052341
Enrollment
Unknown
Registered
2021-10-24
Start date
2020-07-01
Completion date
Unknown
Last updated
2022-10-17

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

Conditions

Alzheimer's disease

Interventions

Case series:Nil

Sponsors

The Second Hospital of Shandong University
Lead Sponsor

Eligibility

Sex/Gender
All
Age
60 Years to No maximum

Inclusion criteria

Inclusion criteria: 1. Inclusion criteria for SCD: (1) Self-perceived continuous decline in cognitive function, independent of acute events, compared with the previous normal state; (2) After adjusting for age, sex and years of education, the standard cognitive test was normal, which was different from MCI and predementias. (1) and (2) must be present together. 2. MCI inclusion criteria: in line with the 2011 NIA-AA core clinical diagnostic criteria for MCI: (1) Clinical manifestations consistent with MCI: 1) Cognitive impairment was reported by patients or informed persons, or found by experienced clinicians; 2) objective evidence of impairment of one or more cognitive domains (from cognitive tests); 3) complex instrumental daily abilities can be slightly impaired, but maintain independent daily living abilities; 4) The diagnosis of dementia has not been reached yet. (2) The pathophysiological process of AD consistent with the pathogenesis: 1) Evidence of continuous decline of cognitive function was found in longitudinal follow-up; 2) There are diseases related to AD genetic factors.

Exclusion criteria

Exclusion criteria: 1. Less than 60 years old; 2. Dementia caused by various causes; 3. Severe physical illness and/or severe mental illness; 4. Cognitive decline caused by vascular, traumatic, iatrogenic, mental illness, medical disease, infection, poisoning, drug side effects or substance abuse, and other neurodegenerative diseases; 5. Impairment of vision and hearing and inability to complete the study.

Design outcomes

Primary

MeasureTime frame
RR;AR;

Countries

China

Contacts

Public ContactBi Jianzhong

The Second Hospital of Shandong University

bjz@sdu.edu.cn+86 0531-85875005

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: Feb 4, 2026