A Trial of Episil® Oral Liquid in Cancer Patients Suffering From Chemotherapy- and/or Radiation-induced Oral Mucositis

Inclusion Criteria: * Male/female patient 18 years of age; * Pathological histologic and/or cytological diagnosis of malignant tumor; * Patients who are suffering from symptomatic oral mucositis (WHO grade 2 or above) during chemotherapy and/or radiotherapy during screening period; * Patients who are suffering from pain inside the oral cavity caused by oral mucositis, and pain assessment by Likert scale (0-10) results in a score of at least 6 out of 10 during screening period and at enrollment on Day 1; * Patients undergoing chemotherapy and/or radiotherapy: patients must have received at least one cycle of multiple-cycle chemotherapy regimen and/or have received multiple doses of radiation, prior to the enrollment on Day 1; * Patients at Eastern Cooperative Oncology Group (ECOG) performance status of 0, 1, 2 and 3; and * Patients are able to provide written informed consent to participate in the study freely after the nature of the study and disclosure of data has been explained to the patients.