Mecapegfilgrastim Prevents Neutropenia and Radiation Esophagitis

Exclusion Criteria

• •There are currently uncontrolled infections or systemic antibiotics within 72 hours of receiving chemotherapy;
• •Any abnormal bone marrow hyperplasia and other hematopoietic dysfunction;
• •Patients who have received bone marrow or hematopoietic stem cell transplantation within the past 3 months;
• •Patients with previous malignant tumors that have not been cured or have brain metastases;
• •Liver function tests Total bilirubin (TBIL), alanine aminotransferase (ALT), and aspartate aminotransferase (AST) are \>2.5 times the upper limit of normal; if due to liver metastasis, the above indicators are \>5 times the upper limit of normal;
• •Renal function test: serum creatinine (Cr) \> 1.5 times the upper limit of normal;
• •Those who are allergic to this product;
• •suffering from mental or neurological disorders that cannot be matched;
• •Female patients during pregnancy or lactation; women of childbearing age who refuse to receive contraception;
• •The investigator believes that it is not suitable for inclusion.