A Randomized Clinical Trial Comparing Chi-BEAM With BEAM Regimen Combined With ASCT for the Treatment of ND PTCL

Inclusion Criteria:

1. Pathologically diagnosed patients with newly treated PTCL (including NT/ K-cell lymphoma), except for ALK (+), have CR or PR after first-line treatment;
2. Renal function needs to be satisfied: creatinine clearance ≥80ml/min, creatinine less than 160μmol/L; Liver function requirements: ALT and AST≤2 times the upper limit of normal; Total bilirubin ≤2 times the upper limit of normal; Lung function should meet: FEV1, FVC, DLCO≥50% predictive value; Cardiac function must be satisfied: left ventricular ejection fraction ≥50%, asymptomatic arrhythmia.
3. Age between 18 and 65 years old, male and female;
4. ECOG physical strength score 0-1;
5. Neutrophil absolute value ≥1.5×109/L, platelets ≥ 70×109/L, hemoglobin ≥ 90g/L; Number of CD34+ cells ≥ 2.0×106/kg body weight;
6. Expected survival time ≥3 months;
7. Voluntarily sign written informed consent.

Exclusion Criteria:

1. Lymphoma involving the central nervous system
2. Active hepatitis B or C virus infection;
3. Active infection;
4. HIV infected persons;
5. Evidence of cirrhosis or liver fibrosis;
6. Ecg showed QTc \> 500ms;
7. Persons with mental disabilities/unable to obtain informed consent;
8. Patients with drug or chronic alcohol abuse that may affect the evaluation of study results;
9. Pregnant and lactating women and women of childbearing age who do not want to take contraceptive measures;
10. The researcher determines that it is not suitable to participate in this study