Adriamycin and Ifosfamide Combined With Sintilimab

AI regimen chemotherapy (ADM 50 mg / m2, D1 + IFO 2.5 g / m2, D1-3, IV drip) was used for 3 weeks; CAV / IE regimen alternate chemotherapy (regimen 1: CTX 1.2mg/m2 D1 + ADM 50mg / m2 D1 + VCR 1.4mg/m2 D1 and regimen 2: IFO 1.5g/m2 D1-5 + VP-16 100mg / m2 D1-5, IV drip). Regimen 1 and 2 were performed alternately, with a cycle of 3 weeks; sintilimab (10ml; 100mg) was administered intravenously every 3 weeks.

AI regimen chemotherapy (ADM 50 mg / m2, D1 + IFO 2.5 g / m2, D1-3, IV drip) was used for 3 weeks; CAV / IE regimen alternate chemotherapy (regimen 1: CTX 1.2mg/m2 D1 + ADM 50mg / m2 D1 + VCR 1.4mg/m2 D1 and regimen 2: IFO 1.5g/m2 D1-5 + VP-16 100mg / m2 D1-5, IV drip). Regimen 1 and 2 were performed alternately, with a cycle of 3 weeks.