Overview The Effect of Sodium Fluoride Application on the Prevention of Radiation Caries in NPC Patients Status: Not yet recruiting Trial end date: 2026-12-31 Target enrollment: Participant gender: Summary To evaluate the efficacy of sodium fluoride to preventing radiation caries for patients with nasopharyngeal carcinoma receiving radiotherapy. Phase: Phase 2 Details Lead Sponsor: Sun Yat-sen UniversityTreatments: FluoridesListerineSodium Fluoride