The treatment of patients with refractory/relapsed B cell non-Hodgkin lymphoma (NHL) is evolving because of the availability of novel drugs. Allogeneic stem cell transplantation (alloSCT) can be curative, but its morbidity and mortality remain a matter of concern. We conducted a multicenter prospective phase II trial to evaluate the benefit of including only 1 dose of rituximab in the conditioning regimen before alloSCT. The primary endpoint was progression-free survival. The study enrolled 121 patients with relapsed/refractory B cell lymphomas. The conditioning regimen consisted of thiotepa, cyclophosphamide, fludarabine, and rituximab (500 mg/m2). Rabbit antithymocyte globulin was administered only in case of unrelated donors. Sixty-seven (55%) and 54 (45%) patients received grafts from related and unrelated donors, respectively. The crude cumulative incidence (CCI) of nonrelapse mortality (NRM) was 21% at 3 years. The CCIs of chronic graft-verus-host disease (GVHD) at 3 years were 54% and 31% in recipients of matched sibling and unrelated grafts, respectively. At a median follow-up of 41 months, the estimated 3-year progression-free and overall survival were 50% and 61%, respectively. Long-term outcome was also evaluated with the composite endpoint of GVHD-free and relapse-free survival (GRFS). This is the first work evaluating the GRFS in a prospective trial of lymphoma patients: the 1-year and 3-year GRFS were 40% and 34%, respectively. AlloSCT can cure a fraction of patients with rather low NRM and an encouraging PFS and GRFS.

Allogeneic Stem Cell Transplantation for Relapsed/Refractory B Cell Lymphomas: Results of a Multicenter Phase II Prospective Trial including Rituximab in the Reduced-Intensity Conditioning Regimen / Dodero, Anna; Patriarca, Francesca; Milone, Giuseppe; Sarina, Barbara; Miceli, Rosalba; Iori, Anna; Barretta, Francesco; Terruzzi, Elisabetta; Mussetti, Alberto; Pini, Massimo; Bosi, Alberto; Dominietto, Alida; Cascavilla, Nicola; Onida, Francesco; Narni, Franco; Farina, Lucia; Rambaldi, Alessandro; Corradini, Paolo. - In: BIOLOGY OF BLOOD AND MARROW TRANSPLANTATION. - ISSN 1083-8791. - 23:7(2017), pp. 1102-1109. [10.1016/j.bbmt.2017.03.031]

Allogeneic Stem Cell Transplantation for Relapsed/Refractory B Cell Lymphomas: Results of a Multicenter Phase II Prospective Trial including Rituximab in the Reduced-Intensity Conditioning Regimen

NARNI, Franco;
2017

Abstract

The treatment of patients with refractory/relapsed B cell non-Hodgkin lymphoma (NHL) is evolving because of the availability of novel drugs. Allogeneic stem cell transplantation (alloSCT) can be curative, but its morbidity and mortality remain a matter of concern. We conducted a multicenter prospective phase II trial to evaluate the benefit of including only 1 dose of rituximab in the conditioning regimen before alloSCT. The primary endpoint was progression-free survival. The study enrolled 121 patients with relapsed/refractory B cell lymphomas. The conditioning regimen consisted of thiotepa, cyclophosphamide, fludarabine, and rituximab (500 mg/m2). Rabbit antithymocyte globulin was administered only in case of unrelated donors. Sixty-seven (55%) and 54 (45%) patients received grafts from related and unrelated donors, respectively. The crude cumulative incidence (CCI) of nonrelapse mortality (NRM) was 21% at 3 years. The CCIs of chronic graft-verus-host disease (GVHD) at 3 years were 54% and 31% in recipients of matched sibling and unrelated grafts, respectively. At a median follow-up of 41 months, the estimated 3-year progression-free and overall survival were 50% and 61%, respectively. Long-term outcome was also evaluated with the composite endpoint of GVHD-free and relapse-free survival (GRFS). This is the first work evaluating the GRFS in a prospective trial of lymphoma patients: the 1-year and 3-year GRFS were 40% and 34%, respectively. AlloSCT can cure a fraction of patients with rather low NRM and an encouraging PFS and GRFS.
2017
5-apr-2017
23
7
1102
1109
Allogeneic Stem Cell Transplantation for Relapsed/Refractory B Cell Lymphomas: Results of a Multicenter Phase II Prospective Trial including Rituximab in the Reduced-Intensity Conditioning Regimen / Dodero, Anna; Patriarca, Francesca; Milone, Giuseppe; Sarina, Barbara; Miceli, Rosalba; Iori, Anna; Barretta, Francesco; Terruzzi, Elisabetta; Mussetti, Alberto; Pini, Massimo; Bosi, Alberto; Dominietto, Alida; Cascavilla, Nicola; Onida, Francesco; Narni, Franco; Farina, Lucia; Rambaldi, Alessandro; Corradini, Paolo. - In: BIOLOGY OF BLOOD AND MARROW TRANSPLANTATION. - ISSN 1083-8791. - 23:7(2017), pp. 1102-1109. [10.1016/j.bbmt.2017.03.031]
Dodero, Anna; Patriarca, Francesca; Milone, Giuseppe; Sarina, Barbara; Miceli, Rosalba; Iori, Anna; Barretta, Francesco; Terruzzi, Elisabetta; Mussetti, Alberto; Pini, Massimo; Bosi, Alberto; Dominietto, Alida; Cascavilla, Nicola; Onida, Francesco; Narni, Franco; Farina, Lucia; Rambaldi, Alessandro; Corradini, Paolo
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11380/1137825
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