NCT00051441 2011-05-19Safety & Efficacy Study of Benzydamine Oral Rinse for the Treatment of Oral Mucositis (Mouth Sores) Resulting From Radiation Therapy for Cancer of the Oral Cavity, Oropharynx, or NasopharynxMcNeil Consumer & Specialty Pharmaceuticals, a Division of McNeil-PPC, Inc.Phase 3 Completed605 enrolled