Westlake Aging Cohort (WeAC)

The Westlake Ageing Cohort (WeAC) is a longitudinal cohort study conducted in Hangzhou, Zhejiang Province, China. The investigators aim to enroll 2,800 participants aged 55 years and older for long-term follow-up. The population will include individuals with neurodegenerative diseases or those at the prodromal stage of cognitive impairment, as well as healthy middle-aged and older adults serving as controls. The investigators will collect their sociodemographic, dietary, lifestyle, clinical, and neuroimaging data, as well as biological samples.

NCT Number	NCT07373444
Lead Sponsor	Westlake University Collaborators: Affiliated Hangzhou First People's Hospital, School of Medicine, Westlake University, The Third People's Hospital of Hangzhou
Conditions	Aging, Cognition Improvement, Cognition Disorders, Cognition
Enrollment	2,800 participants
Start Date	2026-01-01
Primary Completion	2030-12-31 (estimated)
Study Completion	2031-12-31 (estimated)
Updated on ClinicalTrials.gov	2026-01-28