Jeong Il Yu
Sungkyunkwan University · Medicine
About the Lab
Professor Jeong Il Yu's research lab specializes in radiation oncology and hepatocellular carcinoma (HCC) therapeutics, with a focus on optimizing radiotherapy strategies for advanced HCC, particularly in patients with portal vein tumor thrombosis (PVTT). The lab investigates the integration of systemic therapies—such as immune checkpoint inhibitors (e.g., nivolumab) and targeted agents (e.g., sorafenib)—with advanced radiation techniques, including proton beam and photon therapy. A key research direction involves enhancing radiotherapy efficacy through radiosensitizers like valproic acid (VPA), especially in combination with proton therapy. The lab also develops prognostic models to guide personalized treatment decisions in HCC patients with complex disease features.
Research Overview
Research Output Trend
Figures are computed from collected data and may differ slightly.
Selected Papers
15Our study showed that IMPC is associated with LVI, ECE, high nuclear grade, and a greater degree of loco-regional recurrence, especially in the axilla and supraclavicular areas. Therefore, axillary and supraclavicular radiation therapy should be considered in IMPC patients with axillary node metastasis.
Although the current standard treatment for hepatocellular carcinoma (HCC) with portal vein tumor thrombosis (PVTT) is sorafenib, many previous studies have established the need for a reliable local modality for PVTT control, which is a major cause of liver function deterioration and metastasis. Additionally, there is growing evidence for the prognostic significance of PVTT classification according to the location of tumor thrombosis. Favorable outcomes can be obtained by applying local modaliti
We performed a retrospective review of 281 hepatocellular carcinoma (HCC) patients with portal vein tumor thrombosis (PVTT) treated with radiation therapy (RT) between 1998 and 2008 to develop a prognostic model for those patients. Of the 281 patients, PVTT and intrahepatic main masses completely disappeared in 10 patients (3.6%), and shown a partial response in 141 patients (50.2%). The median survival was 11.6 months. Patients who had more than PR have shown significantly longer survival than
We performed a retrospective review of 281 hepatocellular carcinoma (HCC) patients with portal vein tumor thrombosis (PVTT) treated with radiation therapy (RT) between 1998 and 2008 to develop a prognostic model for those patients. Of the 281 patients, PVTT and intrahepatic main masses completely disappeared in 10 patients (3.6%), and shown a partial response in 141 patients (50.2%). The median survival was 11.6 months. Patients who had more than PR have shown significantly longer survival than
BACKGROUND: This study aimed to investigate the clinical significance of previous and/or concurrent application of radiotherapy (RT) in the course of nivolumab treatment for advanced hepatocellular carcinoma (HCC). METHODS: Patients with advanced HCC who received nivolumab treatment between March 2017 and May 2018. were included. Nivolumab treatment was indicated in patients who did not respond to conventional therapy including locoregional therapy and/or sorafenib. RT was performed when necessa
Although efficacy of combined histone deacetylase (HDAC) inhibitors and conventional photon radiotherapy is being tested in clinical trials, their combined effect with proton beam radiotherapy has yet to be determined. Here, we compared combined effect of valproic acid (VPA), a class I and II HDAC inhibitor and antiepileptic drug with proton and photon irradiation in hepatocellular carcinoma (HCC) cells in vitro and in vivo. We found that VPA sensitized more Hep3B cells to proton than to photon
Combination treatment of trans-catheter arterial chemoembolization (TACE) and conformal radiation therapy (RT) reported promising results in patients with hepatocellular carcinoma (HCC), but, optimal interval was not determined. We hypothesized that a two-week interval between TACE and RT would be optimal. Therefore, we designed this study to evaluate the safety and efficacy of scheduled interval TACE followed by RT. HCC patients who were not eligible for standard therapies were enrolled for sch
Combination treatment of trans-catheter arterial chemoembolization (TACE) and conformal radiation therapy (RT) reported promising results in patients with hepatocellular carcinoma (HCC), but, optimal interval was not determined. We hypothesized that a twoweek interval between TACE and RT would be optimal. Therefore, we designed this study to evaluate the safety and efficacy of scheduled interval TACE followed by RT. HCC patients who were not eligible for standard therapies were enrolled for sche
Research Areas
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