RecruitingDrug trialA Study to Evaluate Safety, PK, PD and Efficacy of AZD5492, a T Cell-engaging Antibody Targeting CD20 in Subjects With R/R B-Cell Malignancies.This is a Phase I/II study designed to evaluate if experimental T cell engaging antibody targeting CD20 AZD5492 is safe, tolerable and efficacious in participants with Relapsed or Refractory B-Cell Malignancies.