The FDA has approved zanubrutinib (Brukinsa®, BeiGene USA, Inc.) for treatment of chronic lymphocytic leukemia (CLL) and its tissue counterpart, small lymphocytic lymphoma (SLL). "Zanubrutinib is a next-generation, selective Bruton tyrosine kinase inhibitor with efficacy in relapsed CLL and SLL," wrote Constantine Tam, MD, the Director of Hematolog...