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www.fdanews.com/articles/137969-high-failure-rates-in-drug-development-present-bleak-outlook-for-industry

High-Failure Rates in Drug Development Present Bleak Outlook for Industry

June 28, 2011
A steep decline in the number of products entering Phase III trials, coupled with high late-stage dropout rates and longer development times, present a worrisome picture for pharmaceutical R&D, a recent report shows.
Drug Industry Daily