Brukinsa is a targeted cancer treatment used to treat certain blood cancers in adults, such as mantle cell lymphoma (MCL), Waldenström’s macroglobulinemia (WM), marginal zone lymphoma (MZL), chronic lymphocytic leukemia (CLL), small lymphocytic lymphoma (SLL), and follicular lymphoma (FL). It is an oral capsule or tablet that is taken once or twice a day.