Review Of Reviews: Drug Review Profiles 2013
This article was originally published in Pharmaceutical Approvals Monthly
Pharmaceutical Approvals Monthly’s Drug Review Profile stories from 2013.
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FDA rejected two of the sponsor’s labeling proposals because they failed to adequately address safety issues seen in the PACE trial. Ariad apparently preferred to quantify in labeling only treatment-emergent adverse events that investigators attributed to ponatinib – an approach FDA disdains for single-arm studies.
Submitting an NDA based on progression-free survival when other drugs for the indication have been approved on the basis of overall survival benefits is a risky proposition, but GlaxoSmithKline was confident the magnitude of Mekinist and Tafinlar’s PFS effect in metastatic melanoma would make the findings clinically relevant.
GlaxoSmithKline’s NDA for Breo Ellipta sought a COPD indication without prior approval of the combination product or its individual inhaled corticosteroid and long-acting beta agonist components in asthma. A broad development program with extensive dose finding won over a skeptical FDA.