About this trial
The purpose of this study is to better understand how physical characteristics, walking patterns, and a blood-based brain health marker differ between older adults with dementia and healthy older adults.
Dementia is often associated with changes in physical health and movement, but these changes are not fully understood. This study asks whether people with dementia show differences in body composition, walking ability, and levels of brain-derived neurotrophic factor (BDNF), a protein involved in brain function, compared with individuals without dementia.
To answer this question, participants will complete a single assessment session that includes basic physical measurements, an assessment of walking while moving at a comfortable pace, and a small blood sample collection. The information collected will be used to compare the two groups and explore possible relationships between physical function, walking patterns, and BDNF levels.
Eligibility criteria
This trial accepts healthy volunteersQualifiers
Older adults aged 50 years and above
Able to ambulate independently without the use of walking aids
Must be able to understand instructions, communicate effectively
Free from any acute or unstable medical conditions at the time of assessment.
Disqualifiers
Present with any diagnosed neurological disorder such as stroke or Parkinson's disease
History of psychiatric illness, including major depressive disorder.
Individuals with uncontrolled cardiovascular, metabolic, or endocrine conditions
Have significant visual, auditory, or musculoskeletal impairments that may influence gait performance
Trial population
USM memory clinic
Trial design
Case-control
Cross-sectional
Treatments tested in this trial
Not listed
Trial groups
Trial outcomes
Primary outcomes
Gait speed during normal walking
Average gait speed measured during normal walking using motion capture analysis. Unit of Measure: Meters per second (m/s)
Stride length during normal walking
Mean stride length measured during normal walking using motion capture analysis. Unit of Measure: Meters (m)
Cadence during normal walking
Cadence measured during normal walking using motion capture analysis. Unit of Measure: Steps per minute (steps/min)
Cognitive function assessed by the Montreal Cognitive Assessment (MoCA)
Global cognitive function measured using the Montreal Cognitive Assessment (MoCA), a standardized cognitive screening tool assessing multiple cognitive domains. Unit of Measure: Score on a scale Scale Description: Montreal Cognitive Assessment (MoCA) total score ranges from 0 to 30, with higher scores indicating better cognitive function.
Secondary outcomes
Handgrip strength
Maximum handgrip strength measured using a handheld dynamometer. Unit of Measure: Kilograms (kg)
Serum brain-derived neurotrophic factor (BDNF) concentration
Serum brain-derived neurotrophic factor (BDNF) concentration measured from blood samples. Unit of Measure: ng/mL
Functional mobility assessed by the Timed Up and Go test
Functional mobility measured using the Timed Up and Go (TUG) test, which assesses the time required to stand up from a chair, walk 3 meters, turn, return, and sit down. Unit of Measure: Seconds (s) Directionality: Lower values indicate better functional mobility.
Sponsors and contacts
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