Geneva, Jan. 12 -- International Clinical Trials Registry received information related to the study (ChiCTR2500114732) titled 'Exploring brain imaging mechanisms in middle-aged and elderly patients with insomnia with cognitive dysfunction based on glymphatic and cortical limbic systems' on Dec. 17, 2025.

Study Type: Observational study

Study Design: Case-Control study

Primary Sponsor: Guangdong Second Provincial General Hospital (Guangdong Provincial Emergency Hospital)

Condition: Insomnia disorder

Intervention: Middle-aged and elderly ID without cognitive dysfunction group:None Middle-aged and elderly ID with cognitive dysfunction group:None

Recruitment Status: Recruiting

Phase: N/A

Date of First Enrollment: 2025-01-04

Tar...