Tislelizumab , Cyclophosphamide, Mitoxantrone Liposomes, Chidamide, and Prednisone in the Treatment of R/R AITL

Exclusion Criteria15

• Subjects who meet any of the following criteria are not eligible for inclusion in this study:
• Patients with abnormal liver and kidney function, specifically serum direct bilirubin, serum indirect bilirubin and/or alanine aminotransferase, aspartate aminotransferase and serum creatinine\>2 times normal values, unless abnormal liver and kidney function is considered to be related to lymphoma;
• Bone marrow failure, specifically defined as absolute neutrophil count (ANC)\<1.5\*10\^9/L or platelets \<75\*10\^9/L or Hb\<90g/L, unless changes in hemogram are considered to be associated with lymphoma infiltration of the bone marrow;
• The subject's prior history of antineoplastic therapy meets one of the following conditions: (1) prior mitoxantrone or mitoxantrone liposome therapy;(2) prior PD-1 or PD-L1 inhibitor therapy;(3) Angioimmunoblastic T-cell lymphoma previously treated with histone deacetylase inhibitors;
• Chronic heart failure with cardiac function class III or IV; or left ventricular ejection fraction \<50%; or patients with the following cardiac diseases within 6 months: acute coronary syndrome; acute heart failure (Class III or IV of cardiac function class); patients with a history of clinically significant QT prolongation (\>450 ms for men,\>470 ms for women), ventricular tachycardia (VT), atrial fibrillation (AF), heart block, symptomatic coronary heart disease requiring medical treatment;
• AIDS, syphilis, active B (HBV DNA\>1\*10\^4 copies/ml) and hepatitis C;
• Patients with other malignancies that are not effectively controlled; or with other hematological disorders (e.g. hemophilia, myelofibrosis, etc.), the investigator considers that the patient is not suitable for enrollment;
• History of autoimmune disease, receiving immunosuppressive therapy before enrollment, immunosuppressive dose\>10 mg/day or oral prednisone for more than 2 weeks;
• Clinically uncontrolled active infection (including bacterial, fungal or viral infections), and drug therapy is ineffective;
• Patients with uncontrolled hemophagocytic syndrome;
• Patients who have received secondary surgery or above within 3 weeks before treatment;
• Patients who have participated in clinical trials of other drugs within 30 days before enrollment or are participating in clinical trials of other new drugs;
• Pregnant and lactating women and patients of childbearing age who are unwilling to take contraceptive measures;
• Known allergies to investigational drug components;
• The investigator considers that the enrollment is not suitable.