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A phase II study of ibrutinib in combination with rituximab-cyclophosphamide-doxorubicin hydrochloride-vincristine sulfate-prednisone therapy in Epstein-Barr virus-positive, diffuse large B cell lymphoma (54179060LYM2003: IVORY study): results of the final analysis

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Author(s)
Sang Eun YoonSeok Jin KimDok Hyun YoonYoungil KohYeung-Chul MunYoung Rok DoYoon Seok ChoiDeok Hwan YangMin Kyoung KimGyeong-Won LeeCheolwon SuhYoung Hyeh KoWon Seog Kim
Keimyung Author(s)
Do, Young Rok
Department
Dept. of Internal Medicine (내과학)
Journal Title
Annals of Hematology
Issued Date
2020
Volume
99
Issue
6
Keyword
IbrutinibR-CHOPEpstein-Barr virus-positiveDiffuse large B cell lymphoma
Abstract
Epstein-Barr virus (EBV) positivity in diffuse large B cell lymphoma (DLBCL) provokes a critical oncogenic mechanism to activate intracellular signaling by LMP1. LMP1 specifically mimics the role of BTK-dependent B cell receptor. Therefore, a trial considering RCHOP therapy along with ibrutinib (I-RCHOP) in combination was conducted among patients with EBV-positive DLBCL. This study was an open-label, single-arm, prospective multicenter phase II clinical trial. Patients received 560 mg of ibrutinib with RCHOP every 3 weeks until 6 cycles were completed or progression or unacceptable toxicity was observed. The primary endpoint was objective response, while secondary endpoints included toxicity, progression-free survival, and overall survival. A matched case-control analysis was completed to compare the efficacy and toxicity of I-RCHOP and RCHOP, respectively, in EBV-positive DLBCL patients. From September 2016 to August 2019, 24 patients proven to have EBV-positive DLBCL in the tissue were enrolled and received I-RCHOP. Their median age was 58 years (range, 28–84 years). The objective overall response was 66.7%, including 16 patients who achieved complete response after 6 cycles. Patients aged younger than 65 years presented a superior OR (87.5%) as compared with those older than 65 years (25.0%; p = 0.01). In a matched case-control study, I-RCHOP therapy provoked a more favorable complete response rate (87.3%) than did RCHOP (68.8%) in those younger than 65 years. Treatment-related mortality was linked most frequently with I-RCHOP therapy (four patients presented with unusual infection without Gr3/4 neutropenia) in the older age group (age ≥ 65 years). In conclusion, in this phase II trial for EBV-positive DLBCL, I-RCHOP was effective but did not show a significant improvement in response and survival in comparison with RCHOP. Also, I-RCHOP promoted serious toxicity and treatment-related death in older patients.
Keimyung Author(s)(Kor)
도영록
Publisher
School of Medicine (의과대학)
Citation
Sang Eun Yoon et al. (2020). A phase II study of ibrutinib in combination with rituximab-cyclophosphamide-doxorubicin hydrochloride-vincristine sulfate-prednisone therapy in Epstein-Barr virus-positive, diffuse large B cell lymphoma (54179060LYM2003: IVORY study): results of the final analysis. Annals of Hematology, 99(6), 1283–1291. doi: 10.1007/s00277-020-04005-6
Type
Article
ISSN
1432-0584
Source
https://link.springer.com/article/10.1007%2Fs00277-020-04005-6
DOI
10.1007/s00277-020-04005-6
URI
https://kumel.medlib.dsmc.or.kr/handle/2015.oak/42951
Appears in Collections:
1. School of Medicine (의과대학) > Dept. of Internal Medicine (내과학)
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