Report of the task force on designing clinical trials in early (predementia) AD

P. S. Aisen, S. Andrieu, C. Sampaio, M. Carrillo, Z. S. Khachaturian, B. Dubois, H. H. Feldman, R. C. Petersen, E. Siemers, R. S. Doody, S. B. Hendrix, M. Grundman, L. S. Schneider, R. J. Schindler, E. Salmon, W. Z. Potter, R. G. Thomas, D. Salmon, M. Donohue, M. M. BednarJ. Touchon, B. Vellas

Research output: Contribution to journalReview articlepeer-review

130 Scopus citations


Background: A large number of promising candidate disease-modifying treatments for Alzheimer disease (AD) continue to advance into phase II and phase III testing. However, most completed trials have failed to demonstrate efficacy, and there is growing concern that methodologic difficulties may contribute to these clinical trial failures. The optimal time to intervene with such treatments is probably in the years prior to the onset of dementia, before the neuropathology has progressed to the advanced stage corresponding to clinical dementia. Method: An international task force of individuals from academia, industry, nonprofit foundations, and regulatory agencies was convened to discuss optimal trial design in early (predementia) AD. Results: General consensus was reached on key principles involving the scope of the AD diagnosis, the selection of subjects for trials, outcome measures, and analytical methods. Conclusion: A consensus has been achieved in support of the testing of candidate treatments in the early (predementia) AD population.

Original languageEnglish (US)
Pages (from-to)280-286
Number of pages7
Issue number3
StatePublished - Jan 18 2011

ASJC Scopus subject areas

  • Clinical Neurology


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