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Basic Science and Pathogenesis.

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The U.S. POINTER trial tested a multidomain lifestyle intervention to preserve cognitive function in older adults at risk for dementia. Findings may inform public health strategies for Alzheimer's disease prevention.

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Area of Science:

  • Gerontology
  • Neuroscience
  • Public Health

Background:

  • The U.S. POINTER trial investigated a multidomain lifestyle intervention for cognitive health in at-risk older adults.
  • It was inspired by the Finnish Geriatric Intervention Study to Prevent Cognitive Impairment and Disability (FINGER) to assess generalizability in a diverse U.S. population.

Purpose of the Study:

  • To evaluate the impact of a multidomain lifestyle intervention on cognitive function in U.S. older adults at risk for cognitive decline.
  • To adapt and test the FINGER intervention's components within a U.S. context, focusing on community-based delivery and sustainability.

Main Methods:

  • A multisite randomized controlled trial involving cognitively unimpaired older adults at risk for dementia.
  • Two intervention arms: Structured (STR) with intensive lifestyle modification and Self-Guided (SG) with general health education.
  • Interventions targeted physical activity, nutrition (MIND diet), cognitive/social engagement, and cardiometabolic risk management.

Main Results:

  • Both STR and SG arms focused on multidomain lifestyle modification, differing in intensity and accountability.
  • Adherence was monitored using objective and self-report metrics.
  • The study design allows for analyses of adherence in relation to cognitive response.

Conclusions:

  • U.S. POINTER adapted the FINGER intervention for U.S. populations, aiming to enhance uptake and accountability.
  • Findings have implications for future clinical trials and public health programs targeting Alzheimer's disease and dementia risk reduction.