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Life sciences · Observational Study
ClinicalTrials.gov · September 18, 2026
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Observational Study.
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Registry record from ClinicalTrials.gov (NCT07826975). This is a study registration, not published results. Lead sponsor: Poitiers University Hospital. Recruitment status: NOT_YET_RECRUITING. Study type: OBSERVATIONAL. Enrollment: 100 participants (ESTIMATED). Conditions: Alzheimer Disease (AD). Interventions: OTHER: Data collection; OTHER: Neuropsychological assesment; OTHER: Autonomy questionnaire. Primary outcome measures: Comparison of changes in smartphone usage data and battery life collected at 0 and 18 months , From enrollment to the end of participation at 18 months. Brief summary: Alzheimer's disease is the leading cause of dementia worldwide. The first cognitive function to be affected is memory. As the disease progresses, other cognitive systems are affected, leading to a gradual loss of independence for the patient. This loss of independence is at the heart of the psychosocial and medico-economic challenges posed by Alzheimer's disease. Functional independence refers to the patient's ability to perform activities of daily living. The evolution of autonomy varies significantly from one individual to another, and a specific, personalized assessment is necessary in order to offer appropriate care and services. There is a link between patient autonomy and psycho-behavioral disorders. Early identification of loss of autonomy in connection with psycho-behavioral disorders would allow specific treatment to be put in place. The study hypothesis is that there is a link between changes in smartphone data and changes in the independence of patients with AD.