Phase 2 Futility Trials in Alzheimer Disease and Mild Cognitive Impairment: A Cohort Analysis of the ADNI Data Set.

Ganesh A, Smith EE, Mostert J, Strijbis EM, Schoonheim MM, Xia C, Nadeau Y, Leavitt VM, Kalia LV, Engelborghs S, D'Haeseleer M, McPherson T, Cutter GR, Koch MW; for Alzheimer's Disease Neuroimaging Initiative (ADNI).