Depression Clinical Trial
— B-cubeOfficial title:
Biobank and Brain Health in Bordeaux. A Population-based Cohort to Study the Biology of Brain and Cognitive Aging in Young Seniors
B cube is a new generation cohort to study the determinants and natural history of brain aging, using molecular epidemiology, in a representative sample (N=2000) of the general population from the age of 55 (the approximate age of onset of the first cognitive disorders and a target population particularly receptive to prevention messages). Special interest will be given to nutrition, a promising environmental exposure for prevention.
Status | Recruiting |
Enrollment | 2000 |
Est. completion date | September 21, 2025 |
Est. primary completion date | September 21, 2025 |
Accepts healthy volunteers | Accepts Healthy Volunteers |
Gender | All |
Age group | 55 Years to 80 Years |
Eligibility | Inclusion Criteria: For the main study: 1. live in Bordeaux metropolitan area, 2. be between 55 and 80 years old (included), 3. selected in terms of socioeconomic level, according to a sampling strategy by age groups and income categories representative of the general population between 55 and 80 years of age 4. be affiliated with the social security system, 5. agree to take a blood sample for the biobank. For the MRI sub-study: be between 55 and 70 years old (included). Inclusion criteria for the immune response substudy: be 70 years of age or older or participate in the MRI study; agree to take a supplemental blood sample for this substudy. Exclusion Criteria: For the main study: persons under guardianship (or more generally under protection), unable to give consent to participate. For the MRI sub-study: have a contraindication to MRI examination (pacemaker, a valve prosthesis or any other internal electrical/magnetic device; history of neurosurgery or aneurysm; claustrophobia; presence of metal fragments in the eyes, brain or spinal cord). |
Country | Name | City | State |
---|---|---|---|
France | University Hospital of Bordeaux | Bordeaux |
Lead Sponsor | Collaborator |
---|---|
University Hospital, Bordeaux |
France,
Type | Measure | Description | Time frame | Safety issue |
---|---|---|---|---|
Primary | Number of participants for whom samples are available in the biobank and nutritional and cognitive surveys have been completed. | General questionnaire and a computerized cognitive battery. | Inclusion visit | |
Primary | Number of participants for whom samples are available in the biobank and nutritional and cognitive surveys have been completed. | Collection of biological material for the constitution of a biobank | week 1 | |
Primary | Number of participants for whom samples are available in the biobank and nutritional and cognitive surveys have been completed. | An MRI will be performed in volunteers aged 55 to 70 years. | week 2 | |
Primary | Number of participants for whom samples are available in the biobank and nutritional and cognitive surveys have been completed. | Dietary survey | week 12 and week 24 | |
Secondary | Biobank inventory | of the following biological samples | Week 1 | |
Secondary | Cognitive performance, assessed through: non-verbal cognition-Neuropsychological | Cambridge Neuropsychological Test Automated Battery (CANTAB) | Inclusion visit | |
Secondary | Cognitive performance, assessed through: non-verbal cognition - Verbal fluency | Isaacs' set test (IST) | Inclusion visit | |
Secondary | Cognitive performance, assessed through: non-verbal cognition -Dementia | Clinical Dementia Rating scale-Sum of Boxes (CDR-SOB) | Inclusion visit | |
Secondary | Cognitive performance, assessed through: non-verbal cognition- Mental | Mini Mental State Examination (MMSE) | Inclusion visit | |
Secondary | Assement anxiety and depressive symptomatology - Anxiety | Spielberger State-Trait Anxiety Inventory (STAI) | Inclusion visit | |
Secondary | Assement anxiety and depressive symptomatology - Drepression | Center for Epidemiological Studies-Drepression scale (CES-D). | Inclusion visit | |
Secondary | Nutrition and Lifestyle evaluated | Eating habits :The average of 3 recalls of 24 hours at 3-month intervals | week 12 and week 24 | |
Secondary | Study to the microbiota intestinal, nasal and salivary | Heterogeneity and diversity. | Week 1 | |
Secondary | Immunosenescence mechanism study | Identification of mechanisms immunosenescence | Week 1 | |
Secondary | Cognitive performance, assessed through: non-verbal cognition- Mental | episodic memory: Free and Cued Selective Reminding test (FCSRT) (Grober & Buschke test in French) | inclusion visit | |
Secondary | Cognitive performance, assessed through: non-verbal cognition- Mental | Executive functions: Trail Making tests A and B (TMTA and B) | inclusion visit | |
Secondary | Incapacity and dependance | Estriction to mobility (Rosow and Breslow) | inclusion visit | |
Secondary | Incapacity and dependance | Instrumental and basic activities of Daily Living (Lawton, Katz) | inclusion visit | |
Secondary | Incapacity and dependance | Degree of dependency according to french health insurance system (AG.G.I.R) | inclusion visit | |
Secondary | Nutrition and Lifestyle evaluated | Physical activity (International Physical Activity Questionnaire) | week 12 and week 24 | |
Secondary | Nutrition and Lifestyle evaluated | other lifestyle factors (smoking and alcohol intakes) | week 12 and week 24 |
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