BTKi Resistance Mutations

Learn about resistance mutations in chronic lymphocytic leukemia (CLL), specifically in BTK inhibitor drugs, to understand why treatment may stop working.

New England Journal of Medicine February 24, 2022: Mechanism of Resistance to Noncovalent Bruton’s Tyrosine Kinase Inhibitors (BTKi)

In this study published in the New England Journal of Medicine in February 2022, a large group of researchers performed genetic testing in patients before treatment and in patients that relapsed or failed treatment with the noncovalent BTKi,  Pirtobrutinib. These tests allowed the researchers to discover many other genetic mutations in CLL / SLL cells. 

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