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Clinical Trial
. 2017 Feb 21;8(8):13367-13374.
doi: 10.18632/oncotarget.14531.

Feasibility of abbreviated cycles of immunochemotherapy for completely resected limited-stage CD20+ diffuse large B-cell lymphoma (CISL 12-09)

Dok Hyun Yoon  1 , Byeong Seok Sohn  2 , Sung Yong Oh  3 , Won-Sik Lee  4 , Sang Min Lee  4 , Deok-Hwan Yang  5 , Jooryung Huh  6 , Cheolwon Suh  1
Affiliations
Clinical Trial

Feasibility of abbreviated cycles of immunochemotherapy for completely resected limited-stage CD20+ diffuse large B-cell lymphoma (CISL 12-09)

Dok Hyun Yoon et al. Oncotarget. .

Abstract

Background: The appropriate number of chemotherapy cycles for limited stage diffuse large B-cell lymphoma (DLBCL) patients without gross residual lesions after complete resection, has not been specifically questioned. We performed a multicenter, single-arm, phase 2 study to investigate the feasibility of 3 cycles of abbreviated R-CHOP chemotherapy in low-risk patients with completely resected localized CD20+ DLBCL.

Results: Between December 2010 and May 2013, we recruited 23 patients. One was excluded due to ineligibility, and hence, 22 were included in the final analysis. The primary sites comprised the intestine (n = 15), cervical lymph nodes (n = 4), stomach (n = 1), tonsil (n = 1), and spleen (n = 1). All patients successfully completed the 3 cycles of planned R-CHOP chemotherapy. Over a median follow-up of 39.5 months (95% confidence interval, 29.9-47.1 months), both the estimated 2-year disease-free survival and overall survival rates was 95% confidence interval, 85.9-104.1%. Only one patient with an international prognostic index of 2 experienced relapse and died. The most common grade 3 or 4 toxicity condition included neutropenia (n = 8, 36.4%). Three patients experienced grade 3 febrile neutropenia, but no grade 3 or 4 non-hematologic toxicity was observed.

Materials and methods: DLBCL patients without residual lesions after resection were enrolled and R-CHOP chemotherapy was repeated at 3-week-intervals over 3 cycles. The primary endpoint was 2-year disease-free survival.

Conclusions: Three cycles of abbreviated R-CHOP immunochemotherapy is feasible for completely resected low risk localized DLBCL.

Keywords: abbreviated cycles and R-CHOP chemotherapy; complete resection; diffuse large B-cell lymphoma; limited stage.

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Conflict of interest statement

CONFLICTS OF INTEREST

DH Yoon, SY Oh, and C Suh have received research funding from Roche. None of the other authors have relevant conflicts of interest to declare.

Figures

Figure 1
Figure 1. Kaplan-Meier curves of (A) disease-free survival (DFS) and (B) overall survival (OS)
The estimated 2-year DFS and OS rates were 95.0% (95% confidence interval, 85.89–104.11%)
See this image and copyright information in PMC

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