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Cohort Acronym
AIIMS Cohort Study

Cohort type
General population-based cohort

Alzheimer's disease, Dementia (unclassified), Frontotemporal dementia, Mild cognitive impairment (MCI), Other NDs not listed, Subjective memory complaints (SMC) or subjective cognitive decline (SCD), Vascular dementia

Participant type
No diagnosis

Recruitment Period 2015-18 
Sample size at start or planned sample size if still recruiting 15000  
Estimated Current Sample Size 10,000 to 19,999 
Age at Recruitment >50   
Gender Male and Female 

Aims & objective

  • To find out the known as well as some new factors which increase the risk of occurrence of stroke (half body paralysis, Lakwa) and of memory problem and other brain related problems.
  • To identify a group of apparently healthy people (50 years and above), carry out their health check up and follow them up over several years to detect any health problems (like heart attack, lakwa, memory problems) with increasing age.
  • To investigate the prevalence and incidence of and risk factors for stroke and cognitive decline in the elderly.

Updates about the health of the participants will be obtained from telephone follow-ups every six months and physical check-ups every three years. The study is expected to last for at least 10 years.

Last update – 02/02/2017

Country India 
Contact details
Institution name India Institute of Medical Sciences 
Principal Investiator (PI) Professor Kameshwar Prasad 
Contact email [email protected] 
Contact phone number +91 11-26594013 
Address AIIMS Cohort Study Center,
All India Institute of Medical Sciences,
Ansari Nagar,
New Delhi- 110029
Funders (Core support) Department of Biotechnology
Ministry of Science & Technology
Government of India 

Variables Collected

Brain related measures: Cognitive function, Mental health, Neurological
Funtional rating: Individual psychological
Anthropometric: Blood pressure, Height, Hip circumference, Waist circumference, Weight
Physical: Cardiovascular, Hearing and Vision, Musculoskeletal, Reproductive, Respiratory
Biological samples: Blood, Saliva
Genotyping: Gene screening
Brain imaging: Magnetic resonance imaging (MRI)
Brain banking: N/A
Lifestyle: Alcohol, Dietary habits, Physical activity, Smoking
Socio-economic: Education, Ethnic group, Family circumstances, Housing and accommodation, Income and finances, Informal support, Marital status, Occupation and employment
Health service utilisation: N/A
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