The purpose of this study is to compare the safety and efficacy of combined therapy with conventional transarterial chemoembolization (cTACE) + microwave ablation (MWA) versus only TACE or MWA for treatment of hepatocellular carcinoma (HCC) \>3-\<5 cm.
This study aims to compare the safety and efficacy of combined therapy with conventional transarterial chemoembolization (cTACE)+microwave ablation (MWA) versus only TACE or MWA for treatment of hepatocellular carcinoma (HCC) \>3-\<5 cm. This randomized controlled trial screened 278 patients with HCC \>3-\<5 cm. Patients were randomized into three groups: 90 underwent TACE (Group 1); 95 underwent MWA (Group 2); and 93 underwent combined therapy (Group 3). Patients were followed-up with contrast-enhanced CT or MRI. Images were evaluated and compared for treatment response and adverse events based on modified response evaluation criteria in solid tumor. Serum alpha-fetoprotein (AFP) concentration was measured at baseline and during every follow-up visit.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
NONE
Enrollment
278
Patients undergoing combined therapy
Patients undergoing Microwave ablation
Patients undergoing Transarterial chemoembolization
Adverse events
Images were evaluated and compared for adverse events. The adverse events were recorded and classified following the guidelines of the Society of Interventional Radiology
Time frame: Up to three years after procedure
Treatment Response
Tumor response was evaluated by CECT or dynamic MRI based on the modified response evaluation criteria in solid tumor (m-RECIST) established by the American Association for the Study of Liver Diseases.
Time frame: One month
Recurrence rate
The recurrence rate was measured in relation to management lines.
Time frame: 12 months after procedure
Overall mortality rate
The mortality rate was measured in relation to management lines.
Time frame: Three years after procedure
Progression-free survival
The progression-free survival was measured in relation to management lines.
Time frame: Three years after procedure
AFP variation rate
The AFP variation rate (ΔAFP) was defined as the percentage of change between the AFP concentration at baseline and the postprocedure AFP concentration after 1-2 months as shown in the following equation: ΔAFP (%) = \[(AFPbaseline-AFPpostprocedure) /AFPbaseline\] ×100%
Time frame: Baseline and 1-2 months after procedure
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