Safinamide (133865-89-1) is a selective and reversible inhibitor of monoamine oxidase B (MAO-B, IC50=98 nM with greater than 100-fold selectivity over MAO-A.1?Displays anticonvulsant activity2?and protects against kainate-induced seizures and hippocampal neurodegeneration in rat models3. Reduces overactive glutamatergic signaling via use-dependent sodium channel blockade.4?A novel therapeutic for Parkinson’s disease with multiple modes of action.5?Effective as an add-on to dopamine agonist therapy in early Parkinson’s.6