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Brief Title: Comparison of Hepatectomy and Local Ablation for Resectable Synchronous and Metachronous Colorectal Liver Metastasis
Official Title: Comparison of Hepatectomy and Local Ablation for Resectable Synchronous and Metachronous Colorectal Liver Metastasis (HELARC) ------ a Randomized Controlled Multicenter Clinical Study
Study ID: NCT02886104
Brief Summary: The surgical and local ablation strategy for the treatment of resectable synchronous and metachronous colorectal liver metastases(CRLM) has not still been defined. The purpose of this study is to compare two treatment strategies in which simultaneous resection of both primary and secondary tumor of synchronous CRLM(SCRLM) and resection of metachronous CRLM(MCRLM) is compared with resection of primary tumor and ablation of secondary tumor in SCRLM and ablation of MCRLM. Endpoints include the rate of severe complications and survival.
Detailed Description: Colorectal cancer(CRC) kills more than 700,000 patients every year, which is nowadays the world's 3rd common and the 4th deadly tumor. About 50% CRC patients will finally develop colorectal liver metastasis (CRLM). Among the CRLM patients, 20-25% of CRC are found with synchronous colorectal liver metastases (SCRLM) at the first visit. Meanwhile, about 20-30% CRC patients suffer by metachronous colorectal liver metastasis (MCRLM) even after radical resection of primary tumor. It is nowadays admitted that the R0 resection of both primary and secondary tumors in SCRLM and R0 resection of MCRLM represents a feasible and potential curative treatment in patients with resectable CRLM(RCRLM). However, the treatment strategy for some RCRLM (tumor number≤3 and tumor size≤3.0cm), such as whether to choose hepatectomy or local ablation, still remains in debate. In primary hepatocellular carcinoma(HCC), local ablation has been proved to has similar curative effect to that of hepatectomy. Compared to hepatectomy, local ablation has less trauma and more rapid recovery and possible lower hospitalization cost. The curative effect of local ablation is mainly influenced by tumor site and tumor size. On the other side, some RCRLM might develop repeat recurrences even after "R0" resection due to the imaging undetectable micro metastasis. Thus, local ablation might be more suitable for some repeat recurrent CRLM. The aim of this study is to compare the efficacy/safety of local ablation with hepatectomy for RCRLM (tumor number≤3, tumor size≤3.0cm), including both SCRLM and MCRLM. Patients are randomized to CRLM resection group and local ablation group. The primary endpoint is overall survival. Secondary endpoints evaluate the rate of patients with at least one severe complication within 30 days after surgery/ablation and long-term clinical outcomes, in particular disease-free survival.
Minimum Age: 18 Years
Eligible Ages: ADULT, OLDER_ADULT
Sex: ALL
Healthy Volunteers: No
The 6th Affiliated Hospital of Sun Yat-Sen University, Guangzhou, Guangdong, China
Name: Meijin Huang, MD,PHD
Affiliation: The 6th Affiliated Hospital of Sun Yat-sen University
Role: PRINCIPAL_INVESTIGATOR