S147: PIRTOBRUTINIB, A HIGHLY SELECTIVE, NON-COVALENT (REVERSIBLE) BTK INHIBITOR IN PREVIOUSLY TREATED CLL/SLL: UPDATED RESULTS FROM THE PHASE 1/2 BRUIN STUDY - A. R. Mato; J. M. Pagel; C. C. Coombs; N. N. Shah; N. Lamanna; T. Munir; E. Lech-Maranda; T. A. Eyre; J. A. Woyach; W. G. Wierda; C. Y. Cheah; J. B. Cohen; et al. (HemaSphere, 2022)