Observing cognitive impairment in older adults

Cognitive Impairment in Ageing People: A Longitudinal Observational Prospective Study

Sun Yat-Sen Memorial Hospital of Sun Yat-Sen University · NCT04360200

This study looks at older adults to see how mild cognitive impairment and dementia develop, hoping to find better ways to prevent and treat these conditions.

Quick facts

Study typeObservational
Enrollment5000 (estimated)
Ages50 Years and up
SexAll
SponsorSun Yat-Sen Memorial Hospital of Sun Yat-Sen University (other)
Locations1 site (Guangzhou, Guangdong)
Trial IDNCT04360200 on ClinicalTrials.gov

What this trial studies

This observational study focuses on understanding mild cognitive impairment (MCI) and neurocognitive disorders such as Alzheimer's disease and vascular dementia in elderly populations. It aims to establish a prospective cohort to gather comprehensive epidemiological data and biological samples, which will aid in early prevention, diagnosis, and treatment of cognitive disorders. The study will utilize gene and brain imaging biomarkers to enhance the understanding of dementia pathogenesis and improve targeted interventions. By addressing the rising burden of dementia in China, the study seeks to provide valuable insights into this public health issue.

Who should consider this trial

Good fit: Ideal candidates for this study are individuals over 50 years old who show signs of mild cognitive impairment but do not meet the full criteria for dementia.

Not a fit: Patients with severe mental illness, significant physical disabilities, or those who refuse necessary examinations may not benefit from this study.

Why it matters

Potential benefit: If successful, this study could lead to improved early diagnosis and treatment strategies for cognitive impairments in the elderly.

How similar studies have performed: Other studies focusing on cognitive impairment and dementia have shown promise in utilizing biomarkers for diagnosis and intervention, indicating that this approach is supported by previous research.

Eligibility criteria

Show full inclusion / exclusion criteria
Inclusion Criteria:

1. Patients over 50 years old.
2. Sign informed consent.
3. According to DSM-IV, the diagnostic standard of dementia was not met.
4. The clinical dementia rating (CDR) was 0.5.

Exclusion criteria:

1. Subjects with mental retardation.
2. Refuse to have blood sampling, imaging and other examinations.
3. Uncooperative subjects that have serious organic diseases, or have a history of mental illness, or have physical disability (including severe aphasia).
4. Contraindications of MR scanning.
5. Suffering from serious physical or mental illness.

Where this trial is running

Guangzhou, Guangdong

Study contacts

How to participate

  1. Review the eligibility criteria above with your treating physician.
  2. Visit the official trial page on ClinicalTrials.gov for the most current contact information and recruitment status.
  3. Contact the listed study coordinator or principal investigator to request pre-screening. Pre-screening is free and never obligates you to enroll.

View on ClinicalTrials.gov →

Conditions: MCI, Alzheimer Disease, VAD - Vascular Dementia, Cognitive Impairment

Last reviewed 2026-05-15 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.