RecruitingPhase 1Drug trialThe Study of ICP-248 in Patients With Mature B-cell MalignanciesA Phase I Study to Evaluate the Safety, Tolerability, Pharmacokinetics, Pharmacodynamics, and Preliminary Efficacy of ICP-248 as Monotherapy or in Combination Therapy in Patients with Mature B-cell Malignancies.This study consists of two parts: Part 1 dose-finding period and Part 2 dose expansion period.