Cycle 1: Rituximab 375mg/m intravenously (IV) on Day 1, Polatuzumab vedotin 1.8mg/kg IV on Day 2, Bendamustine 90mg/m IV on Days 2 and 3 Cycles 2 to 6: Rituximab 375mg/m IV on Day 1, Polatuzumab vedotin 1.8mg/kg IV on Day 1,在第1天和第2天用pola-Br处理的Bendamustine 90mg/m IV应继续进行6个周期(每个周期21天),或直到不可接受的毒性或疾病进展为止,以首先发生。[ST-QBP方案代码:Bend+Pola+Ritu]
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