Efficacy, Safety, and Regulatory Approval of Food and Drug Administration–Designated Breakthrough an image

Journal of Clinical Oncology , April 24, 2018
Thomas J. Hwang, Jessica M. Franklin, Julie C. Lauffenburger, Bishal Gyawali, Aaron S. Kesselheim, and Jonathan J. Darrow (Student Fellow Alumnus)


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From the article:

The breakthrough therapy program was established in 2012 to expedite the development and review of new medicines. We evaluated the times to approval, efficacy, and safety of breakthrough-designated versus non–breakthrough-designated cancer drugs approved by the US Food and Drug Administration (FDA).

We studied all new cancer drugs approved by the FDA between January 2012 and December 2017. Regulatory and therapeutic characteristics (time to FDA approval, pivotal trial efficacy end point, novelty of mechanism of action) were compared between breakthrough-designated and non–breakthrough-designated cancer drugs. Random-effects meta-regression was used to assess the association between breakthrough therapy designation and hazard ratios for progression-free survival (PFS), response rates (RRs) for solid tumors, serious adverse events, and deaths not attributed to disease progression.

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