Endo Pharmaceuticals, which previously lost a bid to acquire a migraine treatment, has now acquired worldwide rights to Sumavel DosePro (sumatriptan injection) for subcutaneous use, which is a needle-free delivery system for Zogenix’s migraine treatment...
It has the same name and the same active ingredient, but
GlaxoSmithKline claims to have significantly improved its migraine
treatment Imitrex (sumatriptan) with a new formulation that
dissolves rapidly in the stomach.