Feasibility Study of Induction and Maintenance Avelumab Plus R-CHOP in Patients With Diffuse DLBCL: The AvR-CHOP Study

"All participants will receive the following treatment:~Induction phase Avelumab at a dose of 10 mg/kg as a 1hour intravenous (IV) infusion once every 2 weeks for 2 cycles Plus Rituximab at a dose of 375mg/m2 as an IV infusion over at least 1 hour once every 2 weeks for 2 treatments~Then:~RCHOP - All participants will receive RCHOP chemotherapy treatment for 6 cycles. Each cycle will last for 21 days. Rituximab, cyclophosphamide, doxorubicin, and vincristine are given on the first day of each cycle by intravenous infusion. Prednisone is given orally from Day 1 until Day 5 of each cycle.~Then:~Maintenance phase - All participants will receive Avelumab at a dose of 10 mg/kg as a 1hour intravenous (IV) infusion once every 2 weeks for 6 cycles."