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Combination Therapy after TACE for Hepatocellular Carcinoma with Macroscopic Vascular Invasion: Stereotactic Body Radiotherapy versus Sorafenib.

ABSTRACT: Stereotactic body radiotherapy (SBRT) has shown promising results in the control of macroscopic vascular invasion in patients with hepatocellular carcinoma (HCC); however, its efficacy in comparison to sorafenib when combined with transarterial chemoembolization (TACE) remains to be determined. Between 2009 and 2017, 77 HCC patients with macroscopic vascular invasion receiving TACE⁻SBRT or TACE⁻sorafenib combination therapies were enrolled. The best treatment responses, overall survival (OS), and progression-free survival (PFS) of the two treatment arms were compared. Of the patients enrolled, 26 patients (33.8%) received TACE⁻SBRT treatment, and 51 (66.2%) received TACE⁻sorafenib treatment. The patients in the TACE⁻SBRT group were more frequently classified as elder in age (p = 0.012), having recurrent disease (p = 0.026), and showing lower rates of multiple hepatic lesions (p = 0.005) than patients in TACE⁻sorafenib group. After propensity score matching (PSM), 26 pairs of well-matched HCC patients were selected; patients in the TACE⁻SBRT group showed better overall response rates in trend compared to those in the TACE⁻sorafenib group. The hazard ratio (HR) of OS to PFS for the TACE⁻SBRT approach and the TACE⁻sorafenib approach was 0.36 (95% CI, 0.17⁻0.75; p = 0.007) and 0.35 (95% CI, 0.20⁻0.62; p < 0.001), respectively. For HCC patients with macrovascular invasion, TACE plus SBRT could provide improved OS and PFS compared to TACE⁻sorafenib therapy.

SUBMITTER: Shen L

PROVIDER: S-EPMC6315557 | biostudies-literature | 2018 Dec

REPOSITORIES: biostudies-literature

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Combination Therapy after TACE for Hepatocellular Carcinoma with Macroscopic Vascular Invasion: Stereotactic Body Radiotherapy versus Sorafenib.

Shen Lujun L Xi Mian M Zhao Lei L Zhang Xuhui X Wang Xiuchen X Huang Zhimei Z Chen Qifeng Q Zhang Tianqi T Shen Jingxian J Liu Mengzhong M Huang Jinhua J

Cancers 20181214 12

Stereotactic body radiotherapy (SBRT) has shown promising results in the control of macroscopic vascular invasion in patients with hepatocellular carcinoma (HCC); however, its efficacy in comparison to sorafenib when combined with transarterial chemoembolization (TACE) remains to be determined. Between 2009 and 2017, 77 HCC patients with macroscopic vascular invasion receiving TACE⁻SBRT or TACE⁻sorafenib combination therapies were enrolled. The best treatment responses, overall survival (OS), an ...[more]

PMID: 30558224

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Project description:Importance:Patients with hepatocellular carcinoma showing macroscopic vascular invasion have a poor prognosis. Sorafenib is the sole treatment option for these patients, with unsatisfactory response and survival benefit. Combined treatment with transarterial chemoembolization (TACE) plus external beam radiotherapy (RT) has shown promising results for these patients in observational studies. Objective:To evaluate the efficacy and safety of TACE plus RT compared with sorafenib for patients with hepatocellular carcinoma and macroscopic vascular invasion. Design, Setting, and Participants:In this randomized, open-label clinical trial conducted at an academic tertiary care center between July 1, 2013, and October 31, 2016, 90 treatment-naive patients with liver-confined hepatocellular carcinoma showing macroscopic vascular invasion were randomly assigned to receive sorafenib (400 mg twice daily; 45 participants [the sorafenib group]) or TACE (every 6 weeks) plus RT (within 3 weeks after the first TACE, maximum 45 Gy with the fraction size of 2.5 to 3 Gy; 45 participants [the TACE-RT group]). Main Outcomes and Measures:The primary end point was the 12-week progression-free survival rate by intention-to-treat analysis. Radiologic response was assessed by independent review according to the Response Evaluation Criteria in Solid Tumors (RECIST; version 1.1). Treatment crossover was permitted after confirming disease progression. Results:Of the 90 patients (median age, 55 years; range, 33-82 years), 77 were men and 13 were women. All patients had portal vein invasion of hepatocellular carcinoma and Child-Pugh class A liver function. The median maximal tumor diameter was 9.7 cm. Most patients (71 [78.9%]) had multiple lesions. At week 12, the progression-free survival rate was significantly higher in the TACE-RT group than the sorafenib group (86.7% vs 34.3%; P < .001). The TACE-RT group showed a significantly higher radiologic response rate than the sorafenib group at 24 weeks (15 [33.3%] vs 1 [2.2%]; P < .001), a significantly longer median time to progression (31.0 vs 11.7 weeks; P < .001), and significantly longer overall survival (55.0 vs 43.0 weeks; P = .04). Curative surgical resection was conducted for 5 patients (11.1%) in the TACE-RT group owing to downstaging. No patients in the TACE-RT group discontinued treatment owing to hepatic decompensation. Conclusions and Relevance:For patients with advanced hepatocellular carcinoma showing macroscopic vascular invasion, first-line treatment with TACE plus RT was well tolerated and provided an improved progression-free survival, objective response rate, time to progression, and overall survival compared with sorafenib treatment. Trial Registration:clinicaltrials.gov Identifier: NCT01901692.

Dataset Information

Combination Therapy after TACE for Hepatocellular Carcinoma with Macroscopic Vascular Invasion: Stereotactic Body Radiotherapy versus Sorafenib.

Publications

Combination Therapy after TACE for Hepatocellular Carcinoma with Macroscopic Vascular Invasion: Stereotactic Body Radiotherapy versus Sorafenib.

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