Definition

A drug used alone or with another drug to treat adults with chronic lymphocytic leukemia, small lymphocytic lymphoma, or certain types of non-Hodgkin lymphoma, including follicular lymphoma, mantle cell lymphoma, marginal zone lymphoma, and Waldenström’s macroglobulinemia. It is also being studied in the treatment of other types of cancer. Zanubrutinib blocks a protein called BTK, which may help keep cancer cells from growing. It is a type of tyrosine kinase inhibitor. Also called Brukinsa.