The US FDA approved pirtobrutinib (Jaypirca) for relapsed or refractory mantle cell lymphoma (MCL) after at least two lines of systemic therapy, including a Bruton’s tyrosine kinase (BTK) inhibitor. Pirtobrutinib is the first and only non-covalent BTK inhibitor.
Dose: 200 mg once-daily
Adverse reactions: Fatigue, musculoskeletal pain, diarrhea, edema, dyspnea, pneumonia, bruising, decreased neutrophil counts, lymphocyte counts, and platelet counts.