Shire Files NDA for Chewable Vyvanse

Shire has submitted an NDA for a chewable tablet formulation of Vyvanse (lisdexamfetamine dimesylate) for treating attention-deficit/hyperactivity disorder patients who may have difficulty swallowing or opening a capsule. The submission is based on data from two clinical pharmacology studies that demonstrated the chewable tablet formulation is bioequivalent to a capsule formulation, which was approved by the agency in 2007. The data also “established that the chewable tablet formulation is bioequivalent in both a fasting and non-fasting state,” Shire says. “Based on these clinical pharmacology studies, the clinical profile of Vyvanse chewable tablets is thought to be comparable to the current formulation.”

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