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Background: The ASPIRE (NCT01080391) phase 3 trial showed the efficacy of carfilzomib, lenalidomide and dexamethasone (KRd) triplet for relapse and refractory multiple myeloma (RRMM). However, little is known about safety and efficacy of KRd outside a clinical trial context. Methods: Herein we report real life results of KRd given to 130 RRMM patients from 12 Sicilian Centers. Results: Median age was 62 years; patients had received a median of two previous lines of treatment (range 1–10) and 52% were refractory to previous treatment. Median number of KRd cycles was 12 (2–29), with a mean duration of treatment of 12 months; 21 patients had received at least 18 cycles. Overall response rate was 61%, including 18% complete response. Median PFS was 22.9 months, median OS was not reached. Creatinine clearance >30 mL/min, quality of the best achieved response and standard Fluorescence In Situ Hybridization (FISH) risk were independent predictors of favorable outcome. Patients who received the full-dosage of carfilzomib in the first two cycles had a better outcome. Conclusions: KRd was effective and well tolerated and in a considerable proportion of patients, therapy continued beyond the 18th cycle. The finding of a better outcome in patients with the higher cumulative dose of carfilzomib in the first two cycle encourages to maintain the maximum tolerated dose.

Venetoclax, an orally bioavailable inhibitor of BCL-2, was approved in 2016 by the United States Food and Drug Administration (FDA) for the treatment of chronic lymphocytic leukemia (CLL) patients with 17p deletion [del(17p)], who have received at least one prior therapy. Areas covered: We focus on the mechanism of action of venetoclax and on the clinical trial data that led to the approval of venetoclax for CLL patients. We also review the studies in which this drug has being explored in combination with other anti-CLL drugs. Expert opinion: Data from early clinical trials have shown that venetoclax, as a single agent, is highly effective for relapsed/refractory CLL patients, including those cases with high-risk features. Furthermore, venetoclax seems to be an appropriate option for patients who progress on B-cell receptor (BCR) pathway kinase inhibitors. Venetoclax is also safe, with the most common serious adverse events being neutropenia. The risk of tumor lysis syndrome (TLS) can be reduced by a slow dose ramp-up, careful monitoring, and adequate prophylaxis. Ongoing trials will further clarify the safety and efficacy of venetoclax in combination with other drugs in both relapsed/refractory and untreated CLL patients.

* Patients harboring a t(4;14), t(14;16), or del(17p) were classified as having high-risk disease and all other cases as being at standard risk. ONLINE SUPPLEMENTARY CONTENTS Elotuzumab, lenalidomide, and dexamethasone as salvage therapy for patients with multiple myeloma: Italian, multicenter, retrospective clinical experience with 300 cases outside of controlled clinical trials