Introduction
Pixantrone is a novel aza‐anthracenedione with antineoplastic activity, currently approved for multiply relapsed/refractory diffuse large B‐cell lymphoma (DLBCL), even if real‐life data are limited.
Methods
We investigated pixantrone efficacy and safety in clinical practice, as 3rd or 4th line therapy. We retrospectively analyzed a cohort of 37 R/R DLBCL patients managed in 8 Tuscan onco‐hematological centers. Pixantrone, 50 mg/m2, was administered on days 1, 8, 15 of a 28 days cycle for up to 6 cycles. Response to therapy was evaluated according to the Lugano 2014 classification.
Results
Pixantrone was administered as 3rd or 4th line in 24/37 (64.9%) and 13/37 (35.1%) cases. Overall response rate and CR rate were 43.2% and 32.4%. After a median follow‐up of 6 months, 17/37 patients (46%) were alive, the main cause of death was progressive disease (14/37 cases, 37.9%).
Median PFS was 3 months, median DOR was 17.9 months, and median OS was 9.7 months. A significant proportion of patients achieved a long‐lasting response >12 months (8/37 cases). IPI>2 showed a trend toward inferior PFS.
Conclusion
In this real‐life setting, pixantrone demonstrated appreciable efficacy in a population with poor prognosis; in a small proportion of cases, it can be associated with long‐term remission.
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