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Badar T, Hamadani M, Bachanova V, Maddocks KJ, Umyarova E, Chavez JC, Epperla N, Chhabra S, Xavier AC, Karmali R, Salhab M, Reddy N, Glenn MJ, Hernandez-Ilizaliturri FJ, Flowers CR, Evens AM, Zhou Z, Lansigan F, Barta SK, Cohen JB, Fenske TS, Costa LJ
Efficacy of salvage chemotherapy in diffuse large B cell lymphoma with primary treatment failure according to putative cell of origin
Leuk Lymphoma (2019) 60:940-946.
Abstract
We evaluated outcome of 235 primary treatment failure (PTF) diffuse large B-cell lymphoma (DLBCL) patients based on salvage chemotherapy regimen and putative cell-of-origin (COO). Patients were divided into two groups; group A (n = 38) received high-dose cytarabine containing regimen, either DHAP or ESHAP. Patients in group B (n = 197) received ifosfamide, carboplatin, and etoposide (ICE) +/- rituximab. No difference in overall response rates (CR + PR) was observed based on salvage chemotherapy regimen and COO. After adjustment for the presence of ultra high-risk features, overall survival of germinal center B-cell like (GCB) DLBCL patients in group A was not significantly different from survival in group B (HR 0.86, 95% CI 0.46-1.60, p = .64). Similarly, within non-GCB DLBCL cohort, survival in group A was comparable to group B (HR 0.53, 95% CI 0.20-1.44, p = .21). We did not find an outcome difference between two commonly used salvage chemotherapy regimens in patients with PTF DLBCL based on COO.
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Publication Date: 2019-04-01.
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Last updated on Monday, November 04, 2019