Clinical Scorecard: Cognitive Impact of Alzheimer’s and Cardiovascular Genetic Risk Scores: Findings from the FINGER Randomized Controlled Trial
At a Glance
Category
Detail
Condition
Alzheimer's disease and coronary artery disease
Key Mechanisms
Genetic predisposition (APOE ε4 allele, polygenic risk scores) and modifiable lifestyle factors influencing cognition and disease risk
Target Population
Older adults aged 60–77 years at risk for dementia without baseline dementia
Care Setting
Community-based multidomain lifestyle intervention versus regular health advice
Key Highlights
Multidomain lifestyle intervention over 2 years improved cognition in at-risk older adults.
Genetic risk scores for Alzheimer's disease (AD-GRS) and coronary artery disease (CAD-GRS) did not significantly modify overall intervention effects.
Higher AD-GRS females showed greater cognitive benefits from the intervention compared to lower-risk females and males.
Guideline-Based Recommendations
Diagnosis
Use genome-wide association study data to calculate Alzheimer's disease and coronary artery disease genetic risk scores (AD-GRS, CAD-GRS) for risk stratification.
Management
Implement multidomain lifestyle interventions targeting multiple modifiable risk factors to improve cognition in older adults at risk for dementia.
Do not exclude individuals with high genetic risk (APOE4 carriers or high AD-GRS/CAD-GRS) from lifestyle interventions as they may benefit equally or more.
Monitoring & Follow-up
Assess cognitive changes longitudinally using comprehensive neuropsychological test batteries.
Consider sex differences when evaluating intervention effects in genetically at-risk populations.
Risks
Genetic susceptibility does not negate benefits of lifestyle interventions; no increased risk from intervention in high genetic risk groups reported.
Patient & Prescribing Data
Community-dwelling older adults aged 60–77 years at risk for dementia without baseline dementia
Multidomain lifestyle interventions can yield cognitive benefits regardless of genetic risk status; females with higher AD-GRS may experience greater benefit.
Clinical Best Practices
Incorporate multidomain lifestyle interventions addressing diet, exercise, cognitive training, and vascular risk management for dementia prevention.
Use genetic risk scores as exploratory tools to tailor prevention strategies but do not limit intervention access based on genetic risk alone.
Recognize potential sex differences in response to interventions among genetically at-risk individuals.
Continue research to validate genetic risk score impacts across diverse populations and trials.
by Gazi Saadmaan, Maria Carolina Dalmasso, Maleeha Maria, Jenni Lehtisalo, Mikko Hiltunen, Minna U Kaikkonen, Esko Levälahti, Francesca Mangialasche, Markus Perola, Alfredo Ramirez, Ruth Stephen, Tiia Ngandu, Miia Kivipelto, Alina Solomon
