Calquence Showed Long-term Efficacy and Tolerability for Patients with Chronic Lymphocytic Leukaemia in Two Trials
AstraZeneca announced detailed results from both the Phase II ACE-CL-001 trial and the pivotal Phase III ASCEND trial that showed the long-term efficacy and tolerability of Calquence (acalabrutinib) in chronic lymphocytic leukaemia (CLL), one of the most common types of adult leukaemia.
The results will be presented during the Virtual Edition of the 25th European Hematology Association (EHA) Annual Congress, 11 to 14 June 2020.
In the single-arm ACE-CL-001 trial, 86% of CLL patients treated with Calquence as a 1st-line monotherapy remained on treatment at a median follow up of more than four years. The trial showed an overall response rate of 97% (7% complete response; 90% partial response) and a 100% overall response rate in subgroups of patients with high-risk disease characteristics, including genomic aberrations (17p deletion and TP53 mutation), immunoglobulin mutation status (unmutated IGHV), and complex karyotype. Safety findings showed no new long-term issues.1,4
In the final analysis of ASCEND, an estimated 82% of patients with relapsed or refractory CLL treated with Calquence remained alive and free from disease progression at 18 months compared with 48% of patients on rituximab combined with idelalisib or bendamustine.2 The trial previously met the primary endpoint of Independent Review Committee-assessed progression-free survival at the interim analysis.5
Richard R. Furman, Director of the CLL Research Center, Weill Cornell Medicine said: “These data demonstrate no new safety concerns for acalabrutinib, confirming its ability to safely provide meaningful, long-term clinical benefit for patients with treatment-naive and relapsed or refractory disease. The safety profile of acalabrutinib makes treatment to progression an important and plausible option for patients.”
José Baselga, Executive Vice President, Oncology R&D said: “These long-term data reaffirm that Calquence delivers a durable response with a favourable safety profile for chronic lymphocytic leukaemia patients. Patients with chronic lymphocytic leukaemia are typically 70 years or older with comorbidities and often require treatment over a long time, making the sustained safety and efficacy profile highly relevant to their quality of life.”
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