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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Multiple myeloma survival has significantly improved in recent years, due to novel agents that are available for treatment. The anti-CD38 monoclonal antibody Daratumumab is particularly efficient for patients with relapse/refractory disease, and many studies have shown its unprecedented efficacy also as a first treatment. However, to avoid the incidence of infusion reactions, long infusion schedules of 8 h at first dose and 4 h in the following doses are required, which can reduce the compliance of patients and health care professionals. A reduced infusion time of 90 min has been reported previously, but data are missing on the prolonged safety of this over time as well as the efficacy of this approach. In this work, we investigate the safety of 484 rapid Daratumumab infusions given early after the second dose over a 22 months period in 39 myeloma patients.
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