#$%^&*AU2020223721A120200910.pdf#####TREATMENT USING BRUTON'S TYROSINE KINASE INHIBITORS AND IMMUNOTHERAPY ABSTRACT Combinations of Bruton's tyrosine kinase (Btk) inhibitors, e.g., 1-((R)-3-(4-amino-3-(4phenoxyphenyl)-1H-pyrazolo[3,4-d]pyrimidin-1-yl)piperidin-1-yl)prop-2-en-1-one, with immunotherapy are provided. Also provided are methods of treating cancers, and autoimmune disorders by administering combinations of Bruton's tyrosine kinase (Btk) inhibitors, e.g., 1((R)-3-(4-amino-3-(4-phenoxyphenyl)-1H-pyrazolo[3,4-d]pyrimidin-1-yl)piperidin-1-yl)prop-2en-I-one, and an immune checkpoint inhibitor.