Dementia Clinical Trial
Official title:
Effect of Individual Cognitive Stimulation on Memory and Executive Functioning in Older Adults With Mild to Moderate Alzheimer's Disease: A Multicentre Randomised Controlled Trial
NCT number | NCT05433493 |
Other study ID # | 20220621 |
Secondary ID | |
Status | Completed |
Phase | N/A |
First received | |
Last updated | |
Start date | July 1, 2022 |
Est. completion date | October 6, 2023 |
Verified date | July 2022 |
Source | Rsocialform - Geriatria, Lda |
Contact | n/a |
Is FDA regulated | No |
Health authority | |
Study type | Interventional |
This multicentre study, with a randomised controlled repeated measures experimental design, will be conducted in several Portuguese institutions, which provide care and supportive services for older adults diagnosed with mild or moderate Alzheimer's disease (AD), with an aim to assess the effect of individual cognitive stimulation (CS) on memory and executive functioning. Participants in the intervention group will attend 24 individual CS sessions, twice weekly for 12 weeks. Participants in the control group will complete their usual routines without any activity restrictions.
Status | Completed |
Enrollment | 142 |
Est. completion date | October 6, 2023 |
Est. primary completion date | March 31, 2023 |
Accepts healthy volunteers | No |
Gender | All |
Age group | 65 Years and older |
Eligibility | Inclusion Criteria: - Age 65 or over. - Receive care and support services for older adults for at least three months. - Alzheimer's disease, according to the criteria of the Diagnostic and Statistical Manual of Mental Disorders, 5th edition. - Ability to communicate and understand. - Native speakers of Portuguese. - To have given informed consent for the project, duly completed and signed, after previous information. - Total scores between 10 and 24 points on the Mini Mental State Examination. Exclusion Criteria: - Cannot read and write. - Severe sensory and physical limitations and/or an acute or serious illness preventing participation in the CS sessions. - Evidence of aggressive and disruptive behaviour, as indicated by the reference technicians of the institution to which the participant is linked. - Consumption of psychoactive substances, taking neuroleptics and/or antipsychotics in the last two months. |
Country | Name | City | State |
---|---|---|---|
Portugal | Santa Casa da Misericórdia da Horta | Açores | |
Portugal | Cediara - Associação de Solidariedade Social de Ribeira de Fráguas | Aveiro | |
Portugal | Centro Social e Cultural S. Pedro de Bairro | Braga | |
Portugal | Centro Social Vale do Homem - Casa da Alegria | Braga | |
Portugal | Santa Casa da Misericórdia de Castro Marim | Faro | |
Portugal | Fundação João Bento Raimundo | Guarda | |
Portugal | Santa Casa da Misericórdia de Alcobaça | Leiria | |
Portugal | Associação de Socorros da Freguesia de Turcifal | Lisboa | |
Portugal | Centro de Apoio Social de Oeiras - IASFA | Lisboa | |
Portugal | Inválidos do Comércio | Lisboa | |
Portugal | Rsocialform - Geriatria, Lda | Mealhada | Aveiro |
Portugal | Associação de Apoio Social de Perafita | Porto | |
Portugal | Santa Casa da Misericórdia de Coruche | Santarém | |
Portugal | Santa Casa da Misericórdia de Ponte de Lima | Viana Do Castelo |
Lead Sponsor | Collaborator |
---|---|
Rsocialform - Geriatria, Lda | Aveiro University |
Portugal,
Type | Measure | Description | Time frame | Safety issue |
---|---|---|---|---|
Other | Sociodemographic information gathered through the sociodemographic questionnaire | The sociodemographic questionnaire was designed specifically for this study. It gathers information about the participants' gender, age, marital status, educational level, care and support services that the participant attends, medical comorbidities (including cognitive ones), and pharmacological treatment. It will be administered to all participants. | baseline | |
Other | Adherence to the intervention and dropouts evaluated through a session form | Adherence to the intervention and dropouts will be assessed using a session form, designed specifically for this study, completed by the technician after each session, tracking the attendance and mood/behaviour of the participants throughout the intervention sessions. | during the intervention | |
Primary | Cognitive functioning assessed through Mini-Mental State Examination (MMSE) | Cognitive functioning assessed by the Mini-Mental State Examination (MMSE), a gold standard screening tool for assessing global cognitive function. Scores range from 0 to 30, with higher scores indicating better cognitive functioning. | baseline | |
Primary | Change in cognitive functioning assessed through Mini-Mental State Examination (MMSE) | Change in cognitive functioning evaluated by the Mini-Mental State Examination (MMSE), a gold standard screening tool for assessing global cognitive function.
Scores range from 0 to 30, with higher scores indicating better cognitive functioning. |
12 weeks after the beginning of the intervention | |
Primary | Change in cognitive functioning assessed through Mini-Mental State Examination (MMSE) | Change in cognitive functioning evaluated by the Mini-Mental State Examination (MMSE), a gold standard screening tool for assessing global cognitive function.
Scores range from 0 to 30, with higher scores indicating better cognitive functioning. |
12 weeks after end of intervention | |
Primary | Cognitive functioning assessed through Alzheimer's Disease Assessment Scale - Cognitive Subscale (ADAS-COG) | Evaluates the severity of cognitive deficits in AD in the following domains: memory, orientation, language, praxis and constructive capacity. The total score in the Portuguese version of ADAS-Cog is composed of 11 subtests in the cognitive part and varies between 0 (better performance) and 68 points (worse performance), i.e., higher scores equals better performance. | baseline | |
Primary | Change in cognitive functioning assessed through Alzheimer's Disease Assessment Scale - Cognitive Subscale (ADAS-COG) | Evaluates the severity of cognitive deficits in AD in the following domains: memory, orientation, language, praxis and constructive capacity. The total score in the Portuguese version of ADAS-Cog is composed of 11 subtests in the cognitive part and varies between 0 (better performance) and 68 points (worse performance), i.e., higher scores equals better performance. | 12 weeks after the beginning of the intervention | |
Primary | Change in cognitive functioning assessed through Alzheimer's Disease Assessment Scale - Cognitive Subscale (ADAS-COG) | Evaluates the severity of cognitive deficits in AD in the following domains: memory, orientation, language, praxis and constructive capacity. The total score in the Portuguese version of ADAS-Cog is composed of 11 subtests in the cognitive part and varies between 0 (better performance) and 68 points (worse performance), i.e., higher scores equals better performance. | 12 weeks after end of intervention | |
Primary | Memory function evaluated through Memory Alteration Test (MAT) | The MAT is used to assess memory function. It is an easy and quick instrument that assesses five memory domains: temporal orientation, encoding, semantic memory, free recall, and cued recall. Total scores range from 0 to 50, with higher scores indicating better memory. It has good psychometric properties and is highly sensitive to mild cognitive decline. | baseline | |
Primary | Change in memory function evaluated through Memory Alteration Test (MAT) | The MAT is used to assess memory function. It is an easy and quick instrument that assesses five memory domains: temporal orientation, encoding, semantic memory, free recall, and cued recall. Total scores range from 0 to 50, with higher scores indicating better memory. It has good psychometric properties and is highly sensitive to mild cognitive decline. | 12 weeks after the beginning of the intervention | |
Primary | Change in memory function evaluated through Memory Alteration Test (MAT) | The MAT is used to assess memory function. It is an easy and quick instrument that assesses five memory domains: temporal orientation, encoding, semantic memory, free recall, and cued recall. Total scores range from 0 to 50, with higher scores indicating better memory. It has good psychometric properties and is highly sensitive to mild cognitive decline. | 12 weeks after end of intervention | |
Primary | Memory function evaluated through Free and Cued Selective Reminding Test (FCSRT) | FCSRT is a verbal learning and memory test that allows prompting the encoding and retrieval conditions by using semantic cues on learning and recall trials. It is composed of 16 semantically categorised, unrelated items/words. | baseline | |
Primary | Change in memory function evaluated through Free and Cued Selective Reminding Test (FCSRT) | FCSRT is a verbal learning and memory test that allows prompting the encoding and retrieval conditions by using semantic cues on learning and recall trials. It is composed of 16 semantically categorised, unrelated items/words. | 12 weeks after the beginning of the intervention | |
Primary | Change in memory function evaluated through Free and Cued Selective Reminding Test (FCSRT) | FCSRT is a verbal learning and memory test that allows prompting the encoding and retrieval conditions by using semantic cues on learning and recall trials. It is composed of 16 semantically categorised, unrelated items/words. | 12 weeks after end of intervention | |
Primary | Executive functions assessed through Frontal Assessment Battery (FAB) | FAB assesses executive functions such as abstract thinking, mental flexibility, motor programming, interference sensibility, inhibitory control and environmental independence. Scores range between 0 - 18 points with higher scores indicating better cognitive function. | baseline | |
Primary | Change in executive functions assessed through Frontal Assessment Battery (FAB) | FAB assesses executive functions such as abstract thinking, mental flexibility, motor programming, interference sensibility, inhibitory control and environmental independence. Scores range between 0 - 18 points with higher scores indicating better cognitive function. | 12 weeks after the beginning of the intervention | |
Primary | Change in executive functions assessed through Frontal Assessment Battery (FAB) | FAB assesses executive functions such as abstract thinking, mental flexibility, motor programming, interference sensibility, inhibitory control and environmental independence. Scores range between 0 - 18 points with higher scores indicating better cognitive function. | 12 weeks after end of intervention | |
Primary | Executive functions assessed through Trail Making Test (TMT) | TMT is one of the most widely used instruments in clinical and experimental neuropsychology. It is very sensitive to identify cognitive impairments, measuring simple motor and spatial skills, basic sequencing skills, mental flexibility, selective attention, visuo-perceptual skills, motor speed, and executive functions. Higher scores indicate greater impairment. | baseline | |
Primary | Change in executive functions assessed through Trail Making Test (TMT) | TMT is one of the most widely used instruments in clinical and experimental neuropsychology. It is very sensitive to identify cognitive impairments, measuring simple motor and spatial skills, basic sequencing skills, mental flexibility, selective attention, visuo-perceptual skills, motor speed, and executive functions. Higher scores indicate greater impairment. | 12 weeks after the beginning of the intervention | |
Primary | Change in executive functions assessed through Trail Making Test (TMT) | TMT is one of the most widely used instruments in clinical and experimental neuropsychology. It is very sensitive to identify cognitive impairments, measuring simple motor and spatial skills, basic sequencing skills, mental flexibility, selective attention, visuo-perceptual skills, motor speed, and executive functions. Higher scores indicate greater impairment. | 12 weeks after end of intervention |
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