Community-based Screening for Alzheimer's Disease (CSAD)
Stratified Screening of Blood Biomarkers for Alzheimer's Disease: a Prospective, Real World, Community-based Study
The goal of this prospective, multicenter, observational cohort study is to evaluate the screening performance of blood-based biomarkers for Alzheimer's disease (AD) in a real-world community screening setting, and to establish the population baseline levels and reference intervals of these biomarkers in Chinese older adults.
The main questions it aims to answer is:
What is the clinical screening value of blood biomarkers (phosphorylated tau 217 to amyloid β 42 ratio [pTau217/Aβ42] and glial fibrillary acidic protein [GFAP]) for AD among community-dwelling older adults? Eligible study participants will be randomly enrolled from community-dwelling older adults undergoing routine physical examinations and outpatient clinic attendees. All enrolled participants will undergo AD screening via blood biomarker testing. Participants with positive blood biomarker results (defined as abnormal pTau217/Aβ42 ratio and/or GFAP levels) will further complete a full battery of cognitive scale assessments, including the Mini-Mental State Examination (MMSE), Montreal Cognitive Assessment (MoCA), Activities of Daily Living (ADL) scale, and 17-item Hamilton Depression Rating Scale (HAMD-17). In addition, 15% of participants with negative blood biomarker results, selected via random sampling, will also complete the same cognitive scale assessments.
Studieoversikt
Status
Intervensjon / Behandling
Studietype
Registrering (Antatt)
Kontakter og plasseringer
Studiekontakt
- Navn: Xiaojun Kuang, PhD
- Telefonnummer: 021-57426172
- E-post: xj_kuang@126.com
Studiesteder
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Shanghai Municipality
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Shanghai, Shanghai Municipality, Kina
- Rekruttering
- Fengcheng Community Health Service Center
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Ta kontakt med:
- Zhongming Sheng
- Telefonnummer: 021-57131233
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Shanghai, Shanghai Municipality, Kina
- Rekruttering
- Fengpu Community Health Service Center
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Ta kontakt med:
- Zhiping Jin
- Telefonnummer: 021-37136190
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Shanghai, Shanghai Municipality, Kina
- Rekruttering
- Qingcun Community Health Service Center
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Ta kontakt med:
- Jingxin Zhu
- Telefonnummer: 021-57561250
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Shanghai, Shanghai Municipality, Kina
- Rekruttering
- Xidu Community Health Service Center
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Ta kontakt med:
- Xiaoqing Gu
- Telefonnummer: 021-37130155
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Deltakelseskriterier
Kvalifikasjonskriterier
Alder som er kvalifisert for studier
- Voksen
- Eldre voksen
Tar imot friske frivillige
Prøvetakingsmetode
Studiepopulasjon
Beskrivelse
Inclusion Criteria:
- Aged 60-80 years
- Capable of normal communication and able to complete the questionnaire
Exclusion Criteria:
- Severe mental disorders
- Severe visual, auditory, comprehension or mobility impairments
- Current participation in other health intervention clinical studies
- Severe renal insufficiency, heart failure, cerebrovascular disease, anemia, hyperthyroidism, hypothyroidism
- Multiple cerebral infarctions, severe white matter hyperintensities, history of cerebral hemorrhage, current anticoagulant use, MRI abnormalities (cortical iron deposition, cerebral contusion)
- Unable to comply with study procedures with no legal guardian
Studieplan
Hvordan er studiet utformet?
Designdetaljer
Kohorter og intervensjoner
Gruppe / Kohort |
Intervensjon / Behandling |
|---|---|
|
Screening group
|
This is a purely observational cohort study with no intervention assigned to participants.
|
Hva måler studien?
Primære resultatmål
Resultatmål |
Tidsramme |
|---|---|
|
Blood biomarkers （pTau217、Aβ42、GFAP）
Tidsramme: Baseline (at enrollment)
|
Baseline (at enrollment)
|
Samarbeidspartnere og etterforskere
Sponsor
Studierekorddatoer
Studer hoveddatoer
Studiestart (Antatt)
Primær fullføring (Antatt)
Studiet fullført (Antatt)
Datoer for studieregistrering
Først innsendt
Først innsendt som oppfylte QC-kriteriene
Først lagt ut (Faktiske)
Oppdateringer av studieposter
Sist oppdatering lagt ut (Faktiske)
Siste oppdatering sendt inn som oppfylte QC-kriteriene
Sist bekreftet
Mer informasjon
Begreper knyttet til denne studien
Ytterligere relevante MeSH-vilkår
Andre studie-ID-numre
- IRB2026KY01802
Plan for individuelle deltakerdata (IPD)
Planlegger du å dele individuelle deltakerdata (IPD)?
Legemiddel- og utstyrsinformasjon, studiedokumenter
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