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Clinical Trial Details — Status: Recruiting

Administrative data

NCT number NCT05296980
Other study ID # REMINDER
Secondary ID
Status Recruiting
Phase N/A
First received
Last updated
Start date April 1, 2022
Est. completion date October 2026

Study information

Verified date May 2024
Source University of Coimbra
Contact Ana Rita Silva, PhD
Phone +351962779695
Email anaritaess@fpce.uc.pt
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

Until now, neuropsychological interventions aimed to optimize cognitive function and to have functional impact in individuals at risk of AD (MCI patients) were scarce in validity studies. While some RCTs have been developed in cognitive training interventions, comparative studies of merged interventions (cognitive, social and behavioral stimulation) with adequate control groups are absent, diminishing the professionals' trust on the adoption of these interventions for supporting patients. As such, the present proposal will develop a validation trial testing a multicomponent neuropsychological intervention (REMINDER), based on personal development, cognitive compensatory aids, meaningful goals setting, and behavior change techniques. The investigators will analyze its short/long-term gains and AD conversion rates. By aiming to provide a good validation study for REMINDER, the investigators will examine neurobiological, neurocognitive and functional outcomes of this intervention in comparison with an active control group (psychoeducation) in order to foster an effective outcome assessment of an intervention for individuals at risk of AD.


Description:

The overarching tenet of this project is that, by providing a manualized multidomain intervention - REMINDER - that engages at risk individuals in the aims of this protocol, it can have a significant impact on health outcomes, optimizing healthier lifestyles and these being also understood along with the neurodegeneration signs of this impact. The specific aims of this study will be: - Recruit community-dwelling individuals with increased risk of dementia using CAIDE dementia risk score (with APOE, when available). - Evaluate the REMINDER program (in comparison to an active control group (CT) - psychoeducation sessions) immediate effects regarding global cognition and functionality (primary outcomes) and neuropsychological, biochemical and neuroimaging outcomes (secondary outcomes). - Determine the persistence of effects and begin characterizing the temporal course of putative benefits at 6-, and 18-months follow-up. - Investigate the role of biomarkers (imaging and biochemical) in explaining the response to intervention and persistence of the effects and its correlation with neuropsychological and functionality measures. - Measure the conversion rates from MCI to AD between the REMINDER and active control groups (at 24- months follow-up). Our ultimate goal is to make available a scientifically validated and scalable intervention that helps prevent dementia in older adults at risk. By confirming the efficacy of REMINDER to prevent cognitive impairment and concluding for its medium-term efficacy to improve global cognitive function and healthy life habits the investigators are contributing to one of the WHO goals (Goal 3 - ensure healthy lives and promote well-being for all at all ages) by addressing risk reduction and management of a global health risk.


Recruitment information / eligibility

Status Recruiting
Enrollment 400
Est. completion date October 2026
Est. primary completion date May 2, 2024
Accepts healthy volunteers Accepts Healthy Volunteers
Gender All
Age group 60 Years to 75 Years
Eligibility Inclusion Criteria: - Age 60 or older - CAIDE dementia risk score >8 - Cognitive function: absence of significant cognitive impairment as per the Addenbrooke's Cognitive Examination-REVISED - Free of physical disabilities that preclude participation in the study - Willing to complete all study-related activities for 12 weeks Exclusion Criteria: - Mild cognitive impairment or dementia; - Presence of any neurological event in their medical history that could compromise actual cognition. - Presence of any severe psychiatric disorder (mild depressive and anxiety symptoms meet inclusion criteria). - Unability to travel to the site where the sessions will be delivered (if so randomization will be circumscribed between the experimental harm REMINDER online and the control group. - Illiteracy

Study Design


Related Conditions & MeSH terms


Intervention

Behavioral:
REMINDER
The REMINDER program is a therapist-mediated manualized neuropsychological intervention, involving training skills to stimulate cognitive reserve, socialization and personal development, to diminish the risk of cognitive decline.
Brain health Psychoeducation
Delivery of psychoeducation sessions about dementia modifiable risk factors, brain health solutions and lifestyle change tips.

Locations

Country Name City State
Portugal Faculty of Psychology and Educational Sciences Coimbra

Sponsors (2)

Lead Sponsor Collaborator
University of Coimbra Fundação para a Ciência e a Tecnologia

Country where clinical trial is conducted

Portugal, 

Outcome

Type Measure Description Time frame Safety issue
Primary Cognitive status composite A composite score including the individual scores with Addenbrooke's Cognitive Examination - Revised (ACE-R) (0-100, higher scores meaning better outcome), that includes the Mini Mental State Examination - MMSE (0-30, with higher scores meaning better outcome), Subjective Cognitive Decline Questionnaire (SCDQ), Trail Making Test A and B (TMT A & B), Verbal Fluency - Phonemic (P, M and R) and Categories (Animals), Stroop Test, Free and Cued Selective Reminding Test (FCSRT) will be generated to work as primary outcome. Post intervention (1 week after the intervention sessions completion)
Primary Functionality status A composite score incorporating Adults and Older Adults Functional Assessment Inventory (IAFAI), University of California San Diego Performance-Based Skills Assessment (UPSA) will be used. Post intervention (1 week after the intervention sessions completion)
Primary Blood biomarkers of neural damage blood Neurofilament light chain (NfL) will be measured and tested as an outcome immediately after the intervention Post intervention (1 week after the intervention sessions completion)
Primary Cognitive status composite A composite score including the individual scores with Addenbrooke's Cognitive Examination - Revised (ACE-R), that includes the Mini Mental State Examination - MMSE (screening tools to consider eligibility), Subjective Cognitive Decline Questionnaire (SCDQ), Trail Making Test A and B (TMT A & B), Verbal Fluency - Phonemic (P, M and R) and Categories (Animals), Stroop Test, Free and Cued Selective Reminding Test (FCSRT) will be generated to work as primary outcome Follow - up (12 months after the intervention)
Primary Functionality status A composite score incorporating Adults and Older Adults Functional Assessment Inventory (IAFAI), University of California San Diego Performance-Based Skills Assessment (UPSA) will be used. Follow - up (12 months after the intervention)
Primary Cognitive status composite A composite score including the individual scores with Addenbrooke's Cognitive Examination - Revised (ACE-R), that includes the Mini Mental State Examination - MMSE (screening tools to consider eligibility), Subjective Cognitive Decline Questionnaire (SCDQ), Trail Making Test A and B (TMT A & B), Verbal Fluency - Phonemic (P, M and R) and Categories (Animals), Stroop Test, Free and Cued Selective Reminding Test (FCSRT) will be generated to work as primary outcome Follow - up (24 months after the intervention)
Primary Functionality status A composite score incorporating Adults and Older Adults Functional Assessment Inventory (IAFAI), University of California San Diego Performance-Based Skills Assessment (UPSA) will be used. Follow - up (24 months after the intervention)
Secondary Brain changes hippocampus volume and DMN connectivity will be measured pre and post intervention in the RCT phase Post intervention (2 weeks after the intervention sessions completion)
Secondary Mood status The Geriatric Depression Scale Short Form (GDS-15) (0-15, with higher scores meaning worse outcomes) and and The Geriatric Anxiety Inventory- Short Form (GAI-SF, 0-5, with higher scores meaning worse outcome) scores will be measured Post intervention (1 week after the intervention sessions completion)
Secondary Mood status The Geriatric Depression Scale Short Form (GDS-15) (0-15, with higher scores meaning worse outcomes) and and The Geriatric Anxiety Inventory- Short Form (GAI-SF, 0-5, with higher scores meaning worse outcome) scores will be measured. Follow-up (12 months after the intervention)
Secondary Perceived quality of life A measure of quality of life - World Health Organization Quality of Life - Old WHOQOL-OLD)will be incorporated to examine the effects of the program in self perceptions of well being. Higher scores mean better outcome Post intervention (1 week after the intervention sessions completion)
Secondary Perceived quality of life A measure of quality of life - World Health Organization Quality of Life - Old WHOQOL-OLD)will be incorporated to examine the effects of the program in self perceptions of well being. Higher scores mean better outcome Follow-up (12 months after the intervention)
Secondary Perceived Self Efficacy A measure of self efficacy - Self Efficacy for Meaningful Activities (SEMActiv) will be implemented to examine self-efficacy, with higher scores meaning better outcome Post intervention (1 week after the intervention sessions completion)
Secondary Perceived Self Efficacy A measure of self efficacy - Self Efficacy for Meaningful Activities (SEMActiv) will be implemented to examine self-efficacy, with higher scores meaning better outcome Follow-up (12 months after the intervention)
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