Lilly’s Jaypirca Outperforms Imbruvica in Landmark Phase 3 Trial for CLL/SLL

Eli Lilly and Company

Eli Lilly announced that its non-covalent BTK inhibitor, Jaypirca (pirtobrutinib), met the primary endpoint of non-inferiority on Overall Response Rate (ORR) when compared to Imbruvica (ibrutinib) in the landmark BRUIN CLL-314 Phase 3 trial. The drug demonstrated numerically higher efficacy (87.0% ORR) and a significant safety advantage, including much lower rates of atrial fibrillation/flutter and hypertension, positioning Jaypirca as a potential new front-line therapy for CLL/SLL.

U.S. FDA Grants Full Approval to Lilly’s Jaypirca® for Expanded Use in Chronic Lymphocytic Leukemia and Small Lymphocytic Lymphoma

Eli Lilly and Company

U.S. FDA has granted full approval to Eli Lilly’s Jaypirca (pirtobrutinib) for adults with relapsed or refractory chronic lymphocytic leukemia (CLL) and small lymphocytic lymphoma (SLL). This expanded indication allows the use of the non-covalent BTK inhibitor immediately following prior covalent BTK inhibitor therapy. The decision is bolstered by data from the Phase 3 BRUIN CLL-321 trial, which demonstrated a statistically significant improvement in progression-free survival compared to standard combinatorial therapies.

Eli Lilly Announces Positive Results from Two Phase 3 Studies of Jaypirca at ASH 2025

Eli Lilly and Company

Eli Lilly and Company is set to present “striking” new data at the 2025 ASH Annual Meeting, revealing a double victory for its BTK inhibitor, Jaypirca (pirtobrutinib). Results from two pivotal Phase 3 trials demonstrate that Jaypirca not only outperforms standard chemoimmunotherapy in first-line treatment but also meets non-inferiority benchmarks against the established drug ibrutinib. These findings could pave the way for Jaypirca to become a new standard of care for chronic lymphocytic leukemia (CLL) and small lymphocytic lymphoma (SLL) across multiple treatment settings.

Based on Results From the Phase 3 BRUIN CLL-321 trial, Lilly’s Jaypirca (pirtobrutinib) recommended by CHMP for approval in the European Union

Eli Lilly and Company

The European Commission is currently taking final action on the application for the use of Jaypirca in patients with relapsed or refractory CLL who have received prior treatment with a BTK inhibitor as a result of this favorable view.