Study design
NPC, pain
ORAL MUCOSITIS
The study, as a prospective randomized clinical trial, aims to compare the severity of oral mucositis and the degree of oral pain in NPC patients treated with radiotherapy at different time points during the cycle of oral mucosal cells. The clinical trial was approved by the Ethics Committee of the First Affiliated Hospital of Guangxi Medical University and successfully registered with the China Clinical Trial Registry (ChiCTR2100047661). All the patients signed an informed consent form before treatment was started.