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Eur Neuropsychopharmacol. 2011 Feb;21(2):175-9. doi: 10.1016/j.euroneuro.2010.09.002. Epub 2010 Oct 18.

Adaptive clinical trials for new drug applications in Japan.

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  • 1Office of New Drug II, Pharmaceuticals and Medical Devices Agency, 3-3-2 Kasumigaseki, Chiyodaku, Tokyo, Japan. ando-yuki@pmda.go.jp


Adaptive design is regarded as an efficient method for clinical trials in order to increase the success rate of a new drug in development, and recently has been actively discussed among regulatory agencies, industry and academia. Since adaptive design involves interim analyses and is more complex than traditional fixed design, some points such as possibility of introducing statistical and operational bias should be considered when planning and implementing such trials. In this article, we share our perspectives in the consideration of adaptive design clinical trials based on our experiences discussing adaptive design in clinical trial consultation meetings in Japan.

Copyright © 2010 Elsevier B.V. and ECNP. All rights reserved.

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