FDA ‘Complete Response’ on Sunovion COPD Drug

FDA has issued Sunovion Pharmaceuticals a Complete Response Letter on its NDA for SUN-101/eFlow (glycopyrrolate), indicated for treating chronic obstructive pulmonary disease. The agency letter does not require Sunovion to conduct any additional clinical studies for approval according to the company, which added that it will work with FDA to determine an appropriate path forward. Sunovion describes glycopyrrolate as a long-acting muscarinic antagonist bronchodilator delivered by its proprietary investigational eFlow closed-system nebulizer.

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