NCT01926249

Brief Summary

A Multicenter national prospective cohort study including at least 2300 individuals consecutively recruited from French Research Memory Centers and followed-up over 5 years.

Trial Health

87
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
2,325

participants targeted

Target at P75+ for all trials

Timeline
Completed

Started Dec 2011

Longer than P75 for all trials

Geographic Reach
1 country

29 active sites

Status
completed

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

Study Start

First participant enrolled

December 8, 2011

Completed
1.7 years until next milestone

First Submitted

Initial submission to the registry

August 16, 2013

Completed
4 days until next milestone

First Posted

Study publicly available on registry

August 20, 2013

Completed
8.2 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

October 29, 2021

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

October 29, 2021

Completed
Last Updated

January 11, 2022

Status Verified

January 1, 2022

Enrollment Period

9.9 years

First QC Date

August 16, 2013

Last Update Submit

January 7, 2022

Conditions

Keywords

Alzheimer's diseaseMild Cognitive Impairment

Outcome Measures

Primary Outcomes (1)

  • Progression to clinical dementia stage according to standardized classifications (DSM-IV for dementia and NINCDS-ADRDA for Alzheimer's disease)

    Each 6 months from baseline for 5 years (M60)

Secondary Outcomes (8)

  • Mortality

    Each 6 months from baseline for 5 years (M60)

  • Loss of autonomy based on functional activity assessment

    Each 6 months from baseline for 5 years (M60)

  • Institutionalisation

    Each 6 months from baseline for 5 years (M60)

  • Speed of cognitive decline based on change in cognitive performances

    Each 6 months from baseline for 5 years (M60)

  • Cardiovascular event (Stroke and Coronary events)

    Each 6 months from baseline for 5 years (M60)

  • +3 more secondary outcomes

Study Arms (1)

Individuals at high risk of developing Alzheimer's dementia

* 2000 participants with a newly identified cognitive deficit defined as performing worse than one standard deviation to the mean in one or more cognitive domain (memory, language, praxis, visuospatial abilities, attention and executive functions), not demented. * 300 participants with an isolated cognitive complaint and an age of 60 years or more.

Eligibility Criteria

Age18 Years+
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64), Older Adult (65+)
Sampling MethodNon-Probability Sample
Study Population

Outpatients from French Research Memory Centers with at least a light cognitive deficit defined as performing worse than one standard deviation to the mean in one or more cognitive domains or an isolated cognitive complaint regardless of its duration while being 60 years and older.

You may qualify if:

  • Aged 18 years and above
  • Or having isolated cognitive complaint regardless of its duration while being 60 years and older
  • Clinical Dementia Rating scale \<=0.5 and not demented
  • Visual and auditory acuity adequate for neuropsychological testing
  • Having signed an informed consent
  • Being affiliated to health insurance

You may not qualify if:

  • Being under guardianship
  • Residence in skilled nursing facility
  • Pregnant or breast feeding women
  • Alzheimer's disease caused by gene mutations
  • Having a neurological disease such as: treated epilepsy, treated Parkinson's disease, Huntington disease, brain tumour, subdural haematoma, progressive supranuclear palsy, history of head trauma followed by persistent neurological deficits
  • Stroke that has occurred in the last three months
  • Schizophrenia history (DSM-IV criteria)
  • Illiteracy, is unable to count or to read

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (29)

CHU d'Amiens

Amiens, France

Location

CHU d'Angers

Angers, France

Location

CHU de Besançon

Besançon, France

Location

AP-HP - Avicenne

Bobigny, France

Location

CHU de Bordeaux - Pellegrin

Bordeaux, 33000, France

Location

CHU de Bordeaux - Hôpital Xavier-Arnozan

Bordeaux, France

Location

CHU de Brest

Brest, France

Location

CHU de Clermont-Ferrand

Clermont-Ferrand, France

Location

Hôpitaux civils de Colmar

Colmar, France

Location

CHU de Dijon

Dijon, France

Location

CHU de Grenoble

Grenoble, France

Location

CHU de Lille

Lille, France

Location

Hospices civils de Lyon

Lyon, France

Location

AP-HM

Marseille, France

Location

CHU de Montpellier

Montpellier, France

Location

CHU de Nancy

Nancy, France

Location

CHU de Nantes

Nantes, France

Location

CHU de Nice

Nice, France

Location

AP-HP - Hôpital BROCA

Paris, France

Location

AP-HP - Hôpital LARIBOISIERE

Paris, France

Location

Ap-Hp La Pitié-Salpêtrière

Paris, France

Location

CHU de Poitiers

Poitiers, France

Location

CHU de Rouen

Rouen, France

Location

CHU de Saint-Etienne - Hôpital de la charité

Saint-Etienne, France

Location

CHU de Saint-Etienne - Hôpital Nord

Saint-Etienne, France

Location

CHU de Strasbourg

Strasbourg, France

Location

CHU de Toulouse - Hôpital Purpan

Toulouse, France

Location

CHU de Toulouse

Toulouse, France

Location

CHU de Tours

Tours, France

Location

Related Publications (3)

  • Lespinasse J, Dufouil C, Proust-Lima C. Disease progression model anchored around clinical diagnosis in longitudinal cohorts: example of Alzheimer's disease and related dementia. BMC Med Res Methodol. 2023 Sep 5;23(1):199. doi: 10.1186/s12874-023-02009-0.

  • Blanc F, Bouteloup V, Paquet C, Chupin M, Pasquier F, Gabelle A, Ceccaldi M, de Sousa PL, Krolak-Salmon P, David R, Fischer C, Dartigues JF, Wallon D, Moreaud O, Sauvee M, Belin C, Harston S, Botzung A, Albasser T, Demuynck C, Namer I, Habert MO, Kremer S, Bousiges O, Verny M, Muller C, Philippi N, Chene G, Cretin B, Mangin JF, Dufouil C. Prodromal characteristics of dementia with Lewy bodies: baseline results of the MEMENTO memory clinics nationwide cohort. Alzheimers Res Ther. 2022 Jul 19;14(1):96. doi: 10.1186/s13195-022-01037-0.

  • Dufouil C, Dubois B, Vellas B, Pasquier F, Blanc F, Hugon J, Hanon O, Dartigues JF, Harston S, Gabelle A, Ceccaldi M, Beauchet O, Krolak-Salmon P, David R, Rouaud O, Godefroy O, Belin C, Rouch I, Auguste N, Wallon D, Benetos A, Pariente J, Paccalin M, Moreaud O, Hommet C, Sellal F, Boutoleau-Bretonniere C, Jalenques I, Gentric A, Vandel P, Azouani C, Fillon L, Fischer C, Savarieau H, Operto G, Bertin H, Chupin M, Bouteloup V, Habert MO, Mangin JF, Chene G; MEMENTO cohort Study Group. Cognitive and imaging markers in non-demented subjects attending a memory clinic: study design and baseline findings of the MEMENTO cohort. Alzheimers Res Ther. 2017 Aug 29;9(1):67. doi: 10.1186/s13195-017-0288-0.

Biospecimen

Retention: SAMPLES WITH DNA

* Blood sampling * Lumbar puncture (samples without DNA)

MeSH Terms

Conditions

Alzheimer DiseaseCognitive Dysfunction

Condition Hierarchy (Ancestors)

DementiaBrain DiseasesCentral Nervous System DiseasesNervous System DiseasesTauopathiesNeurodegenerative DiseasesNeurocognitive DisordersMental DisordersCognition Disorders

Study Officials

  • Genevieve CHENE, Prof

    CIC-EC7 - ISPED - CHU de Bodeaux

    PRINCIPAL INVESTIGATOR
  • Geneviève CHENE, Prof

    CIC-EC7 - ISPED - CHU de Bordeaux

    STUDY CHAIR
  • Carole DUFOUIL, Director

    CIC-EC7 - ISPED - CHU de Bordeaux

    STUDY DIRECTOR

Study Design

Study Type
observational
Observational Model
COHORT
Time Perspective
PROSPECTIVE
Sponsor Type
OTHER
Responsible Party
SPONSOR

Study Record Dates

First Submitted

August 16, 2013

First Posted

August 20, 2013

Study Start

December 8, 2011

Primary Completion

October 29, 2021

Study Completion

October 29, 2021

Last Updated

January 11, 2022

Record last verified: 2022-01

Locations