Treatment for follicular lymphoma (FL) in the elderly is not well standardized. A phase II, multicentre, single arm trial was conducted in this setting with a brief chemoimmunotherapy regimen. Treatment consisted in four monthly courses of rituximab, bendamustine and mitoxantrone (R-BM) followed by 4 weekly rituximab as consolidation; rituximab maintenance was not applied because the drug was not licensed at the time of enrolment. The primary endpoint was the complete remission rate (CR). Seventy-six treatment-naive FL patients (aged 65–80 and a “FIT” score, according to the Comprehensive Geriatric Assessment) were enrolled. CR was documented in 59/76 patients (78%), partial remission in 12 (16%) and stable/progressive disease in five (6%) with an overall response rate in 71/76 (94%). Median follow-up was 44 months with 3-year progression-free-survival (PFS) and overall-survival of 67% and 92% respectively. Nine deaths occurred, three of progressive disease. The regimen was well tolerated and the most frequent severe toxicity was neutropenia (18% of the cycles). Bcl-2/IGH rearrangement was found in 40/75 (53%) of evaluated patients. R-BM was highly effective in clearing polymerase chain reaction-detectable disease: 29/31 (96%) evaluated patients converted to bcl-2/IGH negativity at the end of treatment. A brief R-BM regimen plus rituximab consolidation is effective and safe in “FIT” elderly, treatment-naïve, FL patients, inducing high CR and molecular remission rates with prolonged PFS.

A brief rituximab, bendamustine, mitoxantrone (R-BM) induction followed by rituximab consolidation in elderly patients with advanced follicular lymphoma: a phase II study by the Fondazione Italiana Linfomi (FIL) / C. Boccomini, M. Ladetto, L. Rigacci, B. Puccini, S. Rattotti, S. Volpetti, S. Ferrero, A. Chiarenza, R. Freilone, M. Novo, P. Corradini, L. Nassi, C. Rusconi, C. Stelitano, S. Bolis, A. Marina Liberati, A. Tucci, L. Baldini, M. Balzarotti, A. Evangelista, G. Ciccone, U. Vitolo. - In: BRITISH JOURNAL OF HAEMATOLOGY. - ISSN 0007-1048. - (2021). [Epub ahead of print] [10.1111/bjh.17283]

A brief rituximab, bendamustine, mitoxantrone (R-BM) induction followed by rituximab consolidation in elderly patients with advanced follicular lymphoma: a phase II study by the Fondazione Italiana Linfomi (FIL)

P. Corradini;L. Baldini;A. Evangelista;
2021

Abstract

Treatment for follicular lymphoma (FL) in the elderly is not well standardized. A phase II, multicentre, single arm trial was conducted in this setting with a brief chemoimmunotherapy regimen. Treatment consisted in four monthly courses of rituximab, bendamustine and mitoxantrone (R-BM) followed by 4 weekly rituximab as consolidation; rituximab maintenance was not applied because the drug was not licensed at the time of enrolment. The primary endpoint was the complete remission rate (CR). Seventy-six treatment-naive FL patients (aged 65–80 and a “FIT” score, according to the Comprehensive Geriatric Assessment) were enrolled. CR was documented in 59/76 patients (78%), partial remission in 12 (16%) and stable/progressive disease in five (6%) with an overall response rate in 71/76 (94%). Median follow-up was 44 months with 3-year progression-free-survival (PFS) and overall-survival of 67% and 92% respectively. Nine deaths occurred, three of progressive disease. The regimen was well tolerated and the most frequent severe toxicity was neutropenia (18% of the cycles). Bcl-2/IGH rearrangement was found in 40/75 (53%) of evaluated patients. R-BM was highly effective in clearing polymerase chain reaction-detectable disease: 29/31 (96%) evaluated patients converted to bcl-2/IGH negativity at the end of treatment. A brief R-BM regimen plus rituximab consolidation is effective and safe in “FIT” elderly, treatment-naïve, FL patients, inducing high CR and molecular remission rates with prolonged PFS.
bendamustine; chemoimmunotherapy; elderly; first-line treatment; follicular lymphoma
Settore MED/15 - Malattie del Sangue
21-gen-2021
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/2434/813611
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