- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT03991624
Lack of Decision-making in Patients With Alzheimer's Disease : Functions Involved and the Daily Consequences (MAPdP)
Early in its development, Alzheimer's disease causes not only brain damage affecting different regions of the brain, such as the entorhinal cortex, the anterior cingulate cortex, and the prefrontal lobe, but also a cognitive deficit affecting several functions, such as episodic memory, executive functions, or working memory. Although these different areas and functions are involved in the decision-making process, few studies have focused their research on this subject in the context of Alzheimer's disease. However, a 2008 study showed an early decline in decision-making skills in the disease, but did not link this deficit to cognitive impairment. In addition, decision-making is generally assessed using a test called the Iowa Gambling Task (IGT), which, despite its many advantages, does not have established ecological validity.
In the context of pathology, however, it seems essential to evaluate decision-making in relation to daily life, especially since a deficit in this process would have considerable repercussions on quality of life.
In this study, the investigators seek to better define the disorder by decision-making in early Alzheimer's disease, to understand the links between them with the deficit of other cognitive functions, and to highlight the the consequences that this decline has on patients' daily lives.
Study Overview
Status
Conditions
Study Type
Enrollment (Anticipated)
Phase
- Not Applicable
Contacts and Locations
Study Locations
-
-
-
Bron, France, 69676
- Recruiting
- Laboratoire d'Étude des Mécanismes Cognitifs
-
Contact:
- Hanna Chainay
- Phone Number: 04 78 77 43 52
- Email: chainay.hanna@univ-lyon2.fr
-
Principal Investigator:
- Hanna Chainay
-
Paris, France, 75010
- Not yet recruiting
- Hôpital Lariboisière- Fernand Widal
-
Contact:
- Claire PAQUET
-
Principal Investigator:
- Claire PAQUET, MD
-
Saint-Étienne, France, 42055
- Recruiting
- CHU de Saint Etienne
-
Villeurbanne, France, 69100
- Not yet recruiting
- CMRR - Hôpital Charpennes
-
Contact:
- Isabelle ROUCH, MD
- Phone Number: +33 (0)472432050
-
Sub-Investigator:
- Marie-Hélène COSTE, MD
-
-
Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Description
Inclusion Criteria for patients with Alzheimer's disease :
- Mini-Mental State Examination > 23
- stable treatment for at least two months
- mother tongue : French
Inclusion Criteria for control :
- general cognitive level in the standard on the following tests : Mini-Mental State Examination and Fast Front End Efficiency Battery
- mother tongue : French
Exclusion Criteria for patients with Alzheimer's disease :
- game addiction
- uncorrected visual and hearing disorders
- other neurological or psychiatric history
- inability to communicate
- delusional or psychotic state
Exclusion Criteria for control :
- game addiction
- psychiatric or neurological disorders
- anxiety and depression symptomatology
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Other
- Allocation: Non-Randomized
- Interventional Model: Parallel Assignment
- Masking: None (Open Label)
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Other: Alzheimer's patients (lack of executive functions)
|
|
Other: control (lack of executive functions)
|
|
Other: Alzheimer's patients (lack of working memory)
|
|
Other: control (lack of working memory)
|
|
Other: Alzheimer's patients (lack of episodic memory)
|
- A recognition task with a Remember/Know paradigm
|
Other: control (lack of episodic memory)
|
- A recognition task with a Remember/Know paradigm
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Score obtained (the number of correct answers) by participants in tasks evaluating decision-making
Time Frame: day 14
|
measured with two decision-making tasks : Iowa Gambling Task and one experimental task
|
day 14
|
Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Score obtained in task evaluating executive functions
Time Frame: day 14
|
measured with Stroop Victoria
|
day 14
|
Score obtained in task evaluating executive functions
Time Frame: day 14
|
measured with Stop Signal on computer
|
day 14
|
Score obtained in task evaluating executive functions
Time Frame: day 14
|
measured with a letter-number pair task
|
day 14
|
Score obtained in task evaluating executive functions
Time Frame: day 14
|
measured with a category change task.
|
day 14
|
Score obtained in task evaluating executive functions
Time Frame: day 14
|
measured with an update span task and a n-back task.
|
day 14
|
Score obtained in task evaluating working memory
Time Frame: day 14
|
measured with the task of empan baba.
|
day 14
|
Score obtained in task evaluating working memory
Time Frame: day 14
|
measured with the task of reading operations.
|
day 14
|
Score obtained in task evaluating working memory
Time Frame: day 14
|
measured with the continuous operation task.
|
day 14
|
Scores obtained in tasks evaluating episodic memory
Time Frame: day 14
|
measured with a recognition task with a Remember/Know paradigm
|
day 14
|
Scores obtained from the quality of life questionnaire.
Time Frame: day 14
|
measured with Quality of Life in Alzheimer's Disease : it is composed of 13 items (ex: physical health, memory, relationship with friends...). the patient must rate according to 4 possibilities: bad, fairly good, good or excellent.
There is one copy to be completed by the patient and another by the caregiver.
|
day 14
|
Scores obtained from autonomy questionnaire.
Time Frame: day 14
|
measured with Direct Assessment of Functional Status : assessment of several areas of daily life (spatial and temporal orientation, communication skills, driving, financial management, shopping ability, behaviour food and hygiene).
It consists of 7 subscales, allowing each competency to be assessed independently.
|
day 14
|
Collaborators and Investigators
Investigators
- Principal Investigator: Céline BORG, CHU de Saint Etienne
Study record dates
Study Major Dates
Study Start (Actual)
Primary Completion (Anticipated)
Study Completion (Anticipated)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Actual)
Study Record Updates
Last Update Posted (Actual)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Keywords
Additional Relevant MeSH Terms
Other Study ID Numbers
- 18CH237
- 2019-A00174-53 (Other Identifier: ANSM)
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Studies a U.S. FDA-regulated device product
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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