Efficacy of bendamustine and rituximab in unfit patients with previously untreated chronic lymphocytic leukemia. Indirect comparison with ibrutinib in a real‐world setting. A GIMEMA‐ERIC and US study

Autor: Antonio Cuneo, Anthony R. Mato, Gian Matteo Rigolin, Alfonso Piciocchi, Massimo Gentile, Luca Laurenti, John N. Allan, John M. Pagel, Danielle M. Brander, Brian T. Hill, Allison Winter, Nicole Lamanna, Constantine S. Tam, Ryan Jacobs, Frederick Lansigan, Paul M. Barr, Mazyar Shadman, Alan P. Skarbnik, Jeffrey J. Pu, Alison R. Sehgal, Stephen J. Schuster, Nirav N. Shah, Chaitra S. Ujjani, Lindsey Roeker, Ester Maria Orlandi, Atto Billio, Livio Trentin, Martin Spacek, Monia Marchetti, Alessandra Tedeschi, Fiorella Ilariucci, Gianluca Gaidano, Michael Doubek, Lucia Farina, Stefano Molica, Francesco Di Raimondo, Marta Coscia, Francesca Romana Mauro, Javier de la Serna, Angeles Medina Perez, Isacco Ferrarini, Giuseppe Cimino, Maurizio Cavallari, Rosalba Cucci, Marco Vignetti, Robin Foà, Paolo Ghia, the GIMEMA, European Research Initiative (ERIC) on CLL, US study group
Jazyk: angličtina
Rok vydání: 2020
Předmět:
Zdroj: Cancer Medicine, Vol 9, Iss 22, Pp 8468-8479 (2020)
Druh dokumentu: article
ISSN: 2045-7634
DOI: 10.1002/cam4.3470
Popis: Abstract Limited information is available on the efficacy of front‐line bendamustine and rituximab (BR) in chronic lymphocytic leukemia (CLL) with reduced renal function or coexisting conditions. We therefore analyzed a cohort of real‐world patients and performed a matched adjusted indirect comparison with a cohort of patients treated with ibrutinib. One hundred and fifty‐seven patients with creatinine clearance (CrCl) 6 were treated with BR. The median age was 72 years; 69% of patients had ≥2 comorbidities and the median CrCl was 59.8 mL/min. 17.6% of patients carried TP53 disruption. The median progression‐free survival (PFS) was 45 months; TP53 disruption was associated with a shorter PFS (P = 0.05). The overall survival (OS) at 12, 24, and 36 months was 96.2%, 90.1%, and 79.5%, respectively. TP53 disruption was associated with an increased risk of death (P = 0.01). Data on 162 patients ≥65 years treated with ibrutinib were analyzed and compared with 165 patients ≥65 years treated with BR. Factors predicting for a longer PFS at multivariable analysis in the total patient population treated with BR and ibrutinib were age (HR 1.06, 95% CI 1.02‐1.10, P
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