Subjective Cognitive Decline Clinical Trial
Official title:
The Lifestyle, Exercise, and Diet Trial: A Virtual, Lifestyle Approach to Improve Cognition
NCT number | NCT06078748 |
Other study ID # | 44616 |
Secondary ID | |
Status | Recruiting |
Phase | N/A |
First received | |
Last updated | |
Start date | October 3, 2023 |
Est. completion date | October 2025 |
The objective of this study is to investigate the feasibility of a virtually-delivered 6-month exercise and nutrition intervention in older adults with executive subjective cognitive decline (SCD). Feasibility will be determined by recruitment, retention, and adherence rates. Preliminary changes in cognition, physical function, and quality of life will be assessed as secondary outcomes. The study will recruit 140 participants aged 65 to 80 who report they feel that their memory or other thinking abilities are declining. Participants will be randomized into one of four study arms receiving different combinations of healthy lifestyle interventions. Assessments will be conducted virtually at baseline, post-intervention (6 months), and follow-up (12 months). All intervention sessions and assessment visits will be conducted online using the Zoom Healthcare platform and participants will log on using their own devices from home.
Status | Recruiting |
Enrollment | 140 |
Est. completion date | October 2025 |
Est. primary completion date | October 2025 |
Accepts healthy volunteers | No |
Gender | All |
Age group | 65 Years to 80 Years |
Eligibility | Inclusion Criteria: 1. 65-80 years old 2. Meet criteria for executive SCD 1. Answer Yes to both following questions: - Do you feel like your memory or thinking is becoming worse? - Does this worry you? 2. =1SD above age and sex-based means on any of the sub scales of the Comprehensive Executive Function Inventory (CEFI) - Adult Version, indicative of concerns about executive function. 3. No objective cognitive impairment as indicated by: - A global Clinical Dementia Rating (CDR) of = 0.5 - A Blind Montreal Cognitive Assessment (MoCA) total score of >17 3. Able to communicate in English 4. Residents of Quebec, Ontario, Manitoba, and Saskatchewan to facilitate concurrent intervention delivery 5. Low physical activity levels (<75min/week of moderate/vigorous physical activity on the Get Active Questionnaire) 6. Screened safe to participate in moderate exercise using the Get Active Questionnaire or physician approval to engage in moderate intensity exercise without in-person supervision 7. Poor diet quality (below Canadian older adults' median intake of fruits, vegetables, nuts and fish, reported using our Diet Screening Questionnaire) 8. Able to participate remotely (i.e., availability of, or ability/willingness to adopt, a computer or tablet alongside high speed internet/data networks) Exclusion Criteria: - Dementia, stroke, or other chronic brain disease - Chemotherapy or radiation to the head/neck in the past year - Sensory impairments that would impede participation in the intervention or assessments - Major psychiatric disorder - Ongoing alcohol or drug abuse that in the opinion of the investigator may interfere with the subject's ability to comply with the study procedures. - Contraindications for exercise as determined by the American College of Sports Medicine criteria |
Country | Name | City | State |
---|---|---|---|
Canada | University of Waterloo | Waterloo | Ontario |
Lead Sponsor | Collaborator |
---|---|
University of Waterloo | Baycrest, Université de Montréal, University of Ottawa |
Canada,
Type | Measure | Description | Time frame | Safety issue |
---|---|---|---|---|
Primary | Feasibility: Recruitment | Recruitment rate per month | 6 months | |
Primary | Feasibility: Retention | Percent of consented participants who complete the post-intervention assessment of executive function | 6 months | |
Primary | Feasibility: Adherence | Percent of study intervention sessions attended by type | 6 months | |
Primary | Feasiliby: Adherence (diet) | Change in diet quality as assessed with the Eating Pattern Self-Assessment (minimum score 0, maximum score 15; higher scores indicate better diet quality) | 6 months | |
Secondary | Retention by gender | Does retention vary by gender (men, women, other) | 6 months | |
Secondary | Adherence by gender | Does adherence vary by gender (men, women, other) | 6 months | |
Secondary | Executive Function | the primary outcome of a future, large scale trial: an executive function composite derived from Cambridge Brain Sciences on-line assessments, where calculated effect size, variance, and co-variance will inform the sample size for the future, definitive RCT. | 6 months | |
Secondary | Memory | a secondary outcome of a future, large scale trial: memory (Rey Auditory verbal Learning Test [RAVLT] immediate and delayed recall) | 6 months | |
Secondary | Diet | a secondary outcome of a future, large scale trial: diet quality (adherence to the study diet assessed by a study-specific questionnaire [Eating Patterns Self Assessment questionnaire: minimum score 0, maximum score 15; higher scores indicate better diet quality]) | 6 months | |
Secondary | Physical Activity | a secondary outcome of a future, large scale trial: physical activity (Physical Activity Scale for the Elderly [PASE], higher scores indicated more physical activity) | 6 months | |
Secondary | Physical Function | a secondary outcome of a future, large scale trial: physical function (assessed using a 5 times sit-to-stand test) | 6 months | |
Secondary | Health-related quality of life | a secondary outcome of a future, large scale trial: Health-related Quality of Life assessed using the SF-36; minimum score 0, maximum score 100, higher scores indicate better quality of life) | 6 months | |
Secondary | Waist Circumference | a secondary outcome of a future, large scale trial: waist circumference | 6 months | |
Secondary | Maintenance of change in executive function | Differences in executive function betwen 6 and 12 months (6 months post-intervention) in an executive function composite derived from Cambridge Brain Sciences on-line assessments | 12 months | |
Secondary | Maintenance of diet quality | Differences in diet quality (as measured by the Eating Patterns Self-Assessment questionnaire: minimum score 0, maximum score 15; higher scores indicate better diet quality) between 6 and 12 months (6 months post-intervention) | 12 months | |
Secondary | Maintenance of physical activity | Differences in physical activity (as measured by the Physical Activity Scale for the Elderly, higher scores indicate greater physical activity) between 6 and 12 months (6 months post-intervention) | 12 months | |
Secondary | Effect modification of executive function by sex | To examine differences in observed effect sizes of executive function (as measured by an executive function composite derived from Cambridge Brain Sciences on-line assessments) vary by sex (male/female) | 6 months | |
Secondary | Effect modification of executive function by gender | To examine differences in observed effect sizes of executive function (as measured by an executive function composite derived from Cambridge Brain Sciences on-line assessments) vary by gender (men, women, other) | 6 months | |
Secondary | Effect modification of physical activity by sex | To examine differences in observed effect for physical activity (as measured by the Physical Activity Scale for the Elderly, higher scores indicate more physical activity) vary by sex (male/female) | 12 months | |
Secondary | Effect modification of physical activity by gender | To examine differences in observed effect for physical activity (as measured by the Physical Activity Scale for the Elderly, higher scores indicate more physical activity) vary by gender (men, women, other) | 12 months | |
Secondary | Effective modification of diet quality by sex | To examine differences in observed effect sizes for diet quality (measured by Eating Patterns Self-Assessment questionnaire; minimum score 0, maximum score 15, higher scores indicate better diet quality) by sex (male/female) | 12 months | |
Secondary | Effective modification of diet quality by gender | To examine differences in observed effect sizes for diet quality (measured by Eating Patterns Self-Assessment questionnaire; minimum score 0, maximum score 15, higher scores indicate better diet quality) by gender (men, women, other) | 12 months |
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