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Planned Short-Course Radiation (scRT) is Superior to Upfront Concurrent Chemoradiation (CCRT) in Treating Metastatic Rectal Cancer

  • Original Article
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Journal of Gastrointestinal Surgery

Abstract

Background or Purpose

To compare the cost-performance between planned short-course radiation and upfront concurrent chemoradiation on metastatic rectal cancer.

Methods

A total of 75 patients with metastatic rectal cancer who underwent planned short-course radiation or upfront concurrent chemoradiation were enrolled. The Kaplan-Meier method was used to compute the survival rates. The χ2 test was used to compare baseline characteristics. The Cox proportional hazards model was applied to determine the prognostic influence of clinicopathological factors.

Results

The planned short-course radiation is superior to upfront concurrent chemoradiation in overall survival for the patients with metastatic rectal cancer (34.8 vs. 20.2 months, P = 0.010). The planned short-course radiation was an independent prognostic factor (P = 0.009, HR (95% CI) = 0.319(0.135–0.752)). The efficacy of radiation on downstaging was similar between planned short-course radiation and upfront concurrent chemoradiation. The total cost of concurrent chemoradiation is 4.52-fold more expensive than that of short-course radiation (340,142 vs. 75,106 NT dollars, respectively).

Conclusions

Based on the impressive cost-performance of planned short-course radiation compared with upfront concurrent chemoradiation (better OS, modest downstaging and lower cost), planned short-course radiation should be the preferred radiation approach for managing metastatic rectal cancer.

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Acknowledgments

We thank our colleague Chang Miawerl who provided some work that assisted the research.

Author Declaration

We confirm that the manuscript has been read and approved by all named authors and that there are no other persons who satisfied the criteria for authorship but are not listed. We further confirm that the order of authors listed in the manuscript has been approved by all of us.

Funding

This study was funded by grants from the Taiwan Clinical Oncology Research Foundation and from the Ministry of Science and Technology, Taiwan (MOST 105-2314-B-075-051; MOST 106-2314-B-075-062), and the Taipei Veterans General Hospital (V105C-132, V106C-166, V107C-120).

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Correspondence to Hao-Wei Teng.

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The authors declare that they have no conflict of interest.

Ethical Approval

This article does not contain any studies with human participants or animals performed by any of the authors. This retrospective study was conducted based on population-based data from the Taipei Veterans General Hospital, Taipei, Taiwan, and under the guidelines of the Helsinki declaration, approved by the Human Subjects Protection Offices (IRB) at the Taipei Veterans General Hospital (VGHIRB number: 2015-07-003AC). Because all identifying patient information was removed prior to analysis in this study, informed consent was not obtained.

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Teng, HW., Lin, JK., Lin, TC. et al. Planned Short-Course Radiation (scRT) is Superior to Upfront Concurrent Chemoradiation (CCRT) in Treating Metastatic Rectal Cancer. J Gastrointest Surg 24, 1092–1100 (2020). https://doi.org/10.1007/s11605-019-04256-3

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  • DOI: https://doi.org/10.1007/s11605-019-04256-3

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