CH1701 for Prevention and Treatment of Radiation Burns

\*Phase I: Inclusion Criteria: * Healthy volunteers, aged 18 and older at the time of enrollment * Voluntarily participate in the study by signing a consent form to participate in the study * Ability to adhere to treatment according to researchers' assessment Exclusion Criteria: * Subjects with other acute or chronic diseases need to be treated * It is not possible to comply with the research or studied drug treatment process in the opinion of the researcher * Phase II: Inclusion Criteria: * Female patient, aged 18 to 60 years old * Having been diagnosed with breast cancer with axillary lymph node metastasis, having radiation therapy for radiation therapy in the range of 45-50 Gy for a period of 5-6 weeks * Treatment can be started within 3 days of signing the consent to participate in the study * Agree to voluntarily sign the consent form to participate in the study Exclusion Criteria: * The available skin lesions in the breast and chest and according to the researchers' judgment will affect the assessment of inflammation caused by radiation * The patient had radiation therapy before the breast area * History of connective tissue disorders * The patient is incapable of complying with the research procedures or is unable to ensure compliance with the study medication as assessed by the researcher * Participate in other clinical trial studies within 1 month before joining this study