Yoon, Sang Min; Ryoo, Baek-Yeol; Lee, So Jung; Kim, Jong Hoon; Shin, Ji Hoon; An, Ji Hyun; Lee, Han Chu; Lim, Young-Suk
JAMA oncology
2018May ; 4 ( 5 ) :661-669.
PMID : 29543938
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Yoon, Sang Min - Department of Radiation Oncology, Asan Liver Center, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea.
Ryoo, Baek-Yeol - Department of Oncology, Asan Liver Center, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea.
Lee, So Jung - Department of Radiology, Asan Liver Center, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea.
Kim, Jong Hoon - Department of Radiation Oncology, Asan Liver Center, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea.
Shin, Ji Hoon - Department of Radiology, Asan Liver Center, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea.
An, Ji Hyun - Department of Gastroenterology, Asan Liver Center, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea.
Lee, Han Chu - Department of Gastroenterology, Asan Liver Center, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea.
Lim, Young-Suk - Department of Gastroenterology, Asan Liver Center, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea.
ABSTRACT
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?
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