Ferring Pharmaceuticals Inc. has turned to the US FDA's citizen petition process to keep Serenity Pharmaceuticals LLC from being the first to market with a desmopressin drug approved for nocturia.
In a Nov. 22 petition, Ferring requests FDA refrain from approving Serenity's new drug application (NDA) for SER120, a desmopressin nasal spray partnered with Allergan PLC., until...