Despite evidence of efficacy in binge-eating disorder (BED), Sunovion Pharmaceuticals Inc.'s dasotraline's second lease on life is done, for now. Following an initial plan to discontinue the asset in a 2010 portfolio reshuffle, the drug is now being shelved due to the need for additional clinical studies on its benefit-risk profile, parent Sumitomo Dainippon Pharma Co. Ltd. said.