Parsaclisib in Combination With CHOP in Participants With Previously Untreated PTCL

"Phase Ib: Parsaclisib is taken orally every day continuously, at approximately the same time every day, without food restriction, once a day. This stage follows the traditional 3+3 model. Parsaclisib is set at 10 mg/day, 15 mg/day, 20 mg/day 3 dose groups, starting from 10 mg/day, each group included 3 subjects. The final dose determined at this stage will be used in the Phase II study.~Phase II:~Induced treatment: Received the initial dose of Parsaclisib determined in Phase Ib.~Maintain treatment: 2.5mg orally every day continuously, once a day until disease progression, death or unacceptable toxicity developments. The maximum treatment time of Parsaclisib is no more than 2 years."

Cyclophosphamide: 750mg/m2, IV, d1 Doxorubicin: 50mg/m2, IV, d1 Vincristine: 1.4mg/m2, IV, d1 (maximum 2mg) Prednison: 100mg, po, d1-5 21 days per cycle