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Lilly's Jaypirca (pirtobrutinib) significantly reduced the risk of disease progression or death by 45% when added to a venetoclax time-limited regimen in people with previously treated CLL/SLL
Lilly's Jaypirca (pirtobrutinib) significantly reduced the risk of disease progression or death by 45% when added to a venetoclax time-limited regimen in
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BRUIN CLL-322 is the first Phase 3 study to demonstrate superiority over a venetoclax-containing control arm in CLL, and, with the majority of patients previously treated with a covalent BTK inhibitor, reflects current practice patternsThese data will be highlighted in a late-breaking oral presentation at the 2026 European Hematology Association (EHA) Annual MeetingINDIANAPOLIS, June 14, 2026 /PRNewswire/ -- Eli Lilly and Company (NYSE: LLY) today announced results from the Phase 3 BRUIN CLL-322 clinical trial of Jaypirca (pirtobrutinib), a non-covalent Bruton tyrosine kinase (BTK) inhibitor, plus venetoclax and rituximab versus venetoclax and rituximab in patients with relapsed or refractory chronic lymphocytic leukemia or small lymphocytic lymphoma (CLL/SLL). The study met its primary endpoint of independent review committee (IRC)-assessed progression-free survival (PFS), demonstrating that the addition of pirtobrutinib to a two-year venetoclax plus rituximab regimen reduced the risk of disease progression or death by 45% (HR=0.55 [95% CI, 0.40-0.75]; p=0.0001).These data will be highlighted in a late-breaking oral presentation at the 2026 European Hematology Association (EHA) Annual Meeting taking place in Stockholm, Sweden, as well as featured in the meeting's press program."These results from BRUIN CLL-322 show that the addition of pirtobrutinib as part of a time-limited regimen further enhanced an already effective treatment and extended the duration of remission for patients with previously treated CLL. Importantly, the study provides the first robust evidence for such an approach in patients who received a prior BTK inhibitor," said Matthew S. Davids, M.D., M.M.Sc., Chief of the Division of Lymphoma at Dana-Farber Cancer Institute, who is the lead author on the study. "Time-limited regimens are an important option in CLL care and provide patients with meaningful treatment-free intervals. In the context of the modern CLL treatment landscape, where many patients may only receive two lines of therapy, these results speak to the potential benefits that improving second-line therapy can have. Our study has the potential to establish a new standard of care in this population."BRUIN CLL-322 enrolled 639 relapsed or refractory patients, with 79.8% having prior covalent BTK inhibitor exposure, who were randomized 1:1 to receive pirtobru...
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