scholarly journals MYC + diffuse large B-cell lymphoma is not salvaged by classical R-ICE or R-DHAP followed by BEAM plus autologous stem cell transplantation

Blood ◽  
2012 ◽  
Vol 119 (20) ◽  
pp. 4619-4624 ◽  
Author(s):  
Wendy Cuccuini ◽  
Josette Briere ◽  
Nicolas Mounier ◽  
Hans-Ullrich Voelker ◽  
Andreas Rosenwald ◽  
...  
Keyword(s):  
Stem Cell ◽  
Stem Cell Transplantation ◽  
B Cell ◽  
Cell Transplantation ◽  
Autologous Stem Cell Transplantation ◽  
International Prognostic Index ◽  
Prognostic Significance ◽  
B Cell Lymphoma ◽  
High Dose ◽  
Large B Cell

Abstract Approximately 5-10% of diffuse large B-cell lymphomas (DLBCL) harbor a 8q24/MYC rearrangement (MYC+). We determined the prognostic significance of MYC rearrangement in patients with relapsed/refractory DLBCL prospectively treated by R-ICE or R-DHAP followed by high-dose therapy and autologous stem cell transplantation. Twenty-eight (17%) of the 161 patients analyzed presented a MYC+ rearrangement, targeted as either simple hit (25%) or complex hits (n=75%) including MYC/BCL2, MYC/BCL6, and MYC/BCL2/BCL6. Results were statistically highly concordant in matched primary and relapsed biopsies (n = 45). Compared to the MYC− DLBCL patients, the MYC+ DLBCL patients presented with a more elevated lactico-deshydrogenase level (P = .0006) and a more advanced age adjusted international prognostic index (P = .0039). The 4-year PFS and OS were significantly lower in the MYC+ DLBCL patients than those in the MYC− DLBCL patients, with rates of 18% vs 42% (P = .0322), and of 29% vs 62% (P = .0113), respectively. Type of treatment, R-DHAP or R-ICE, had no impact on survivals, with 4-year PFS rates of 17% vs 19% and 4-year OS rates of 26% vs 31%. In conclusion, MYC rearrangement is an early event in DLBCL. MYC+ DLBCL patients have a significant inferior prognosis than MYC− DLBCL patients. Their outcome was not influenced by the proposed salvage therapy.

Disease characteristics of diffuse large B-cell lymphoma predicting relapse after autologous stem cell transplantation.

2019 ◽  
Vol 37 (15_suppl) ◽  
pp. e19030-e19030
Author(s):  
Daria Gaut ◽  
David Oveisi ◽  
Grant Howell ◽  
Tahmineh Romero ◽  
Gary J. Schiller
Keyword(s):  
Stem Cell ◽  
Stem Cell Transplantation ◽  
B Cell ◽  
Cell Transplantation ◽  
Autologous Stem Cell Transplantation ◽  
Cell Lymphoma ◽  
B Cell Lymphoma ◽  
High Dose ◽  
Large B Cell Lymphoma ◽  
Large B Cell

e19030 Background: High-dose chemotherapy followed by autologous stem cell transplantation (HDC/ASCT) is standard of care for patients with diffuse large B-cell lymphoma (DLBCL) whose diseases relapse after, or are refractory to, first-line therapy. However, there are still high rates of relapse following ASCT, and non-relapse mortality also affects survival rates. Prognostic indicators are therefore needed to identify the best candidates for HDC/ASCT. Methods: We retrospectively analyzed medical records of 111 DLBCL patients (78 relapsed, 33 refractory) who underwent HDC/ASCT at the University of California Los Angeles from 2010-2015. Results: The median age at the time of ASCT was 61 years (IQR 51.5-68.0). 80 patients (72%) had DLBCL in a complete response at the time of ASCT, and the majority (98 patients, 88%) had ECOG performance status of 0-1. After a median follow-up of 4.6 years (IQR 2.2-8.1), the 1-year progression-free survival (PFS) rate was 77.3% (95% CI 69.7%-85.7%) and the 1-year overall survival (OS) rate was 84.7% (95% CI 78.2%-91.7%). 41 patients (37%) relapsed after ASCT with a median PFS of 11 months (IQR 5.0-20.0). 37 patients (33%) died, 23 (21%) from relapse mortality, 11 (10%) from non-relapse mortality, and 3 (3%) from unknown cause of death. In univariate analysis, 2 variables were significantly associated with curtailed PFS and OS: higher number (≥ 3 vs < 3) of chemotherapy regimens prior to ASCT (HR 2.20, 95% CI 1.19-4.06, p = 0.013 for PFS; HR 2.01, 95% CI 1.06-3.84, p = 0.036 for OS) and higher International Prognostic Index (IPI) score at time of ASCT (trend HR 1.61, 95% CI 1.10-2.35, p = 0.018 for PFS; trend HR 2.02, 95% CI 1.37-2.98, p = 0.001 for OS). Higher National Comprehensive Cancer Network (NCCN) IPI score at time of ASCT (trend HR 2.29, 95% CI 1.34-3.90, p = 0.002) and refractory versus relapsed disease (HR 1.99, 95% CI 1.04-3.82, p = 0.038) were also significantly associated with curtailed OS. Conclusions: Our study suggests that IPI, while a validated prognostic tool at diagnosis, is also a prognostic indicator at time of ASCT for PFS and OS. NCCN IPI at time of ASCT was also found to be predictive of OS. Age-adjusted IPI was not associated with outcome following ASCT.

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