Jaypirca

Drug

Also known as: Jaypirca

Drug Profile

Jaypirca is the brand name for pirtobrutinib, an oral BTK inhibitor approved by the U.S. FDA for certain relapsed or refractory B-cell malignancies. It is described as the first FDA-approved non-covalent (reversible) BTK inhibitor and received expanded CLL/SLL labeling in December 2025. The drug is administered once daily until progression or unacceptable toxicity.

Drug Class
Kinase inhibitor; non-covalent (reversible) BTK inhibitor
Approval Status
FDA approved (initial U.S. approval 2023; expanded CLL/SLL indication approved December 3, 2025)
Mechanism of Action
Small-molecule noncovalent inhibitor of BTK that binds wild-type and C481-mutant BTK and inhibits BTK kinase signaling
Brand Names
  • JAYPIRCA
Indications
  • \Relapsed or refractory chronic lymphocytic leukemia or small lymphocytic lymphoma after prior covalent BTK inhibitor\
  • \Relapsed or refractory mantle cell lymphoma after at least two lines of systemic therapy including a BTK inhibitor\

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