Live feed08:50:16·1757dPRReleasevia QuantisnowImpel NeuroPharma Announces U.S. FDA Approval of TRUDHESA™ (Dihydroergotamine Mesylate) Nasal Spray for the Acute Treatment of MigraineByQuantisnow·Wall Street's wire, on your screen.IMPL· Impel Pharmaceuticals Inc.Health Care