Suitability of the Clinical Dementia Rating‐Sum of Boxes as a single primary endpoint for Alzheimer's disease trials
Coley N, Andrieu S, Jaros M, Weiner M, Cedarbaum J, Vellas B. Suitability of the Clinical Dementia Rating‐Sum of Boxes as a single primary endpoint for Alzheimer's disease trials. Alzheimer's & Dementia 2011, 7: 602-610.e2. PMID: 21745761, DOI: 10.1016/j.jalz.2011.01.005.Peer-Reviewed Original ResearchConceptsClinical Dementia Rating SumCo-primary endpointsPrimary endpointSingle primary endpointCDR-SBInternal responsivenessFunctional impairmentADAS-CogDisease trialsExternal responsivenessAlzheimer's diseaseAlzheimer's Disease Assessment Scale-cognitive subscaleFloor/ceiling effectsCDR-SB changeDisease-modifying trialsModerate AD patientsDaily Living ScaleAlzheimer's disease trialsConvergent validityInternal consistencyAD trialsDisease stageAD patientsInstrumental activitiesMean change