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Treatment Outcome after Fractionated Conformal Radiotherapy for Hepatocellular Carcinoma in Patients with Child-Pugh Classification B in Korea (KROG 16-05)

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Author(s)
Sun Hyun BaeHee Chul ParkWon Sup YoonSang Min YoonIn-Hye JungJinsil SeongTae Hyun KimTaek-Keun NamYoungmin ChoiSun Young LeeHong Seok JangDong Soo LeeJin Hee KimIk Jae LeeJun Won Kim
Keimyung Author(s)
Kim, Jin Hee
Department
Dept. of Radiation Oncology (방사선종양학)
Journal Title
Cancer Research and Treatment
Issued Date
2019
Volume
51
Issue
4
Keyword
Child-Pugh BHepatocellular carcinomaHepatic toxicityRadiotherapy
Abstract
Purpose
- There is limited data on radiotherapy (RT) for hepatocellular carcinoma (HCC) in patients with Child-Pugh classification B (CP-B). This study aimed to evaluate the treatment outcomes of fractionated conformal RT in HCC patients with CP-B.

Materials and Methods
- We retrospectively reviewed the data of HCC patients with CP-B treated with RT between 2009 and 2014 at 13 institutions in Korea. HCC was diagnosed by the Korea guideline of 2009, and modern RT techniques were applied. Fraction size was ≤ 5 Gy and the biologicallly effective dose (BED) ≥ 40 Gy10 (α/β = 10 Gy). A total of 184 patients were included in this study.

Results
- Initial CP score was seven in 62.0% of patients, eight in 31.0%, and nine in 7.0%. Portal vein tumor thrombosis was present in 66.3% of patients. The BED ranged from 40.4 to 89.6 Gy10 (median, 56.0 Gy10). After RT completion, 48.4% of patients underwent additional treatment. The median overall survival (OS) was 9.4 months. The local progression-free survival and OS rates at 1 year were 58.9% and 39.8%, respectively. In the multivariate analysis, non-classic radiation-induced liver disease (RILD) (p < 0.001) and additional treatment (p < 0.001) were the most significant prognostic factors of OS. Among 132 evaluable patients without progressive disease, 19.7% experienced non-classic RILD. Normal liver volume was the most predictive dosimetric parameter of non-classic RILD.

Conclusion
- Fractionated conformal RT showed favorable OS with a moderate risk non-classic RILD. The individual radiotherapy for CP-B could be cautiously applied weighing the survival benefits and the RILD risks.
Keimyung Author(s)(Kor)
김진희
Publisher
School of Medicine (의과대학)
Citation
Sun Hyun Bae et al. (2019). Treatment Outcome after Fractionated Conformal Radiotherapy for Hepatocellular Carcinoma in Patients with Child-Pugh Classification B in Korea (KROG 16-05). Cancer Research and Treatment, 51(4), 1589–1599. doi: 10.4143/crt.2018.687
Type
Article
ISSN
2005-9256
Source
https://www.e-crt.org/journal/view.php?doi=10.4143/crt.2018.687
DOI
10.4143/crt.2018.687
URI
https://kumel.medlib.dsmc.or.kr/handle/2015.oak/41981
Appears in Collections:
1. School of Medicine (의과대학) > Dept. of Radiation Oncology (방사선종양학)
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