Outcomes of pirtobrutinib for relapsed/refractory mantle cell lymphoma in compassionate use program in Europe
Aydilek E, Wulf G, Schwarz F, Bacher U, Rummel M, Stiefel O, Kerkhoff A, Maulhardt M, Melchardt T, Pabst T, Lenz G, et al. (2024)
Cancer Medicine 13(10): e7289.
;
Wulf, Gerald;
Schwarz, Friedrich ;
Bacher, Ulrike ;
Rummel, Mathias;
Stiefel, Olga;
Kerkhoff, Andrea;
Maulhardt, Markus;
Melchardt, Thomas;
Pabst, Thomas;
Lenz, Georg;
Shumilov, EvgeniiMantle cell lymphoma (MCL) is a type of B‐cell lymphoma that is currently incurable. Pirtobrutinib shows promising response rates in heavily pretreated MCL patients according to the approval study, but the real‐world data are scarce.
**Methods**In this study, we retrospectively analyzed the efficacy and safety profile of pirtobrutinib in 10 relapsed/refractory MCL patients from compassionate use program (CUP).
**Results**On average, the patients underwent three lines of systemic therapy prior to pirtobrutinib and were predominantly BTKi exposed (9/10). The best overall response rate (BORR) was 67%. In a median follow‐up of 8.6 months, the mean duration of response (DOR), progression‐free survival (PFS), and overall survival (OS) were not reached. No new safety signals were documented.
**Conclusions**In summary, pirtobrutinib represented a safe and effective treatment option in a small real‐world population.
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