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Sree Ganesh B, Kazi M, Goel M, Saklani A, De Souza A, Devarmani S, Gala K, Shetty N, Kulkarni S, Ramaswamy A, Ostwal V, Bhargava P, Patkar S. Feasibility of Hepatic Artery Infusion Chemotherapy for Colorectal Liver Metastasis in an Indian Setting. Indian J Surg Oncol 2024; 15:275-280. [PMID: 38817996 PMCID: PMC11133240 DOI: 10.1007/s13193-023-01871-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2023] [Accepted: 12/21/2023] [Indexed: 06/01/2024] Open
Abstract
Hepatic artery infusion chemotherapy (HAIC) is a popular treatment modality for the treatment of colorectal liver metastasis (CRLM). The aim of this study was to determine the feasibility of HAIC for high-risk resected CRLM delivered using repeated femoral puncture and delivering 5-fluorouracil infusional chemotherapy along with systemic adjuvant chemotherapy. The present study is a retrospective review of a prospectively maintained database. All patients who underwent HAIC for colorectal liver metastases between July 2022 and July 2023 were included. A total of 12 patients were included in the study of which 11 completed four sessions as planned. The median age was 47 (29-73) years with nine male (81%) and two female (18%) patients. Rectum (n = 7, 63%) was the most common primary location. All patients received systemic chemotherapy with 5-fluorouracil-based regimens prior to HAIC (median 12 cycles). The median number of metastasis was 2 (1-8). Eight patients had metastasis in unilobar distribution (73%). On completion of HAIC treatment, nine patients (64%) were completely disease free with a median follow-up of 8 months. None of the patients experienced any immediate adverse events during or after completion of the procedure. Conventional HAIC comes with various challenges such as unavailability of the agent floxuridine and the specialized HAIC pump. Percutaneous HAIC has a lower chance of infection. The delivery of HAIC using repeated femoral punctures and 5FU chemotherapy was successful in over 90% of the patients making it a feasible option in the treatment of CRLM.
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Affiliation(s)
- B. Sree Ganesh
- Department of Surgical Oncology, Tata Memorial Hospital, Homi Bhabha National Institute, Parel, Mumbai, Maharashtra India
| | - Mufaddal Kazi
- Division of Colorectal Surgery, Department of Surgical Oncology, Tata Memorial Hospital, Homi Bhabha National Institute, Parel, Mumbai, Maharashtra India
| | - Mahesh Goel
- Division of Hepatobiliary Surgical Oncology, Department of Surgical Oncology, Tata Memorial Hospital, Homi Bhabha National Institute, Parel, Mumbai, Maharashtra India
| | - Avanish Saklani
- Division of Colorectal Surgery, Department of Surgical Oncology, Tata Memorial Hospital, Homi Bhabha National Institute, Parel, Mumbai, Maharashtra India
| | - Ashwin De Souza
- Division of Colorectal Surgery, Department of Surgical Oncology, Tata Memorial Hospital, Homi Bhabha National Institute, Parel, Mumbai, Maharashtra India
| | - Sanjana Devarmani
- Department of Interventional Radiology, Tata Memorial Hospital, Homi Bhabha National Institute, Parel, Mumbai, Maharashtra India
| | - Kunal Gala
- Department of Interventional Radiology, Tata Memorial Hospital, Homi Bhabha National Institute, Parel, Mumbai, Maharashtra India
| | - Nitin Shetty
- Department of Radiodiagnosis, Tata Memorial Advanced Centre for Treatment, Research and Education in Cancer, Mumbai, Maharashtra India
| | - Suyash Kulkarni
- Department of Radiodiagnosis, Tata Memorial Advanced Centre for Treatment, Research and Education in Cancer, Mumbai, Maharashtra India
| | - Anant Ramaswamy
- Department of Medical Oncology, Tata Memorial Hospital, Homi Bhabha National Institute, Parel, Mumbai, Maharashtra India
| | - Vikas Ostwal
- Department of Medical Oncology, Tata Memorial Hospital, Homi Bhabha National Institute, Parel, Mumbai, Maharashtra India
| | - Prabhat Bhargava
- Department of Medical Oncology, Tata Memorial Hospital, Homi Bhabha National Institute, Parel, Mumbai, Maharashtra India
| | - Shraddha Patkar
- Department of Surgical Oncology, Tata Memorial Hospital, Homi Bhabha National Institute, Parel, Mumbai, Maharashtra India
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Park HJ, Choi G, Ha S, Kim Y, Choi MJ, Kim M, Islam MK, Chang Y, Kwon TJ, Kim D, Jang E, Kim TH, Chang SJ, Kim YH. MBP-11901 Inhibits Tumor Growth of Hepatocellular Carcinoma through Multitargeted Inhibition of Receptor Tyrosine Kinases. Cancers (Basel) 2022; 14:cancers14081994. [PMID: 35454900 PMCID: PMC9030223 DOI: 10.3390/cancers14081994] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2022] [Revised: 04/07/2022] [Accepted: 04/08/2022] [Indexed: 12/02/2022] Open
Abstract
Simple Summary Although various treatments such as surgery and chemotherapy exist for advanced or unresectable HCC, most patients suffer from intractable diseases, having a poor prognosis. While immunotherapy using immune checkpoint inhibitors was recently proposed for HCC, only a small percentage of patients respond. Thus, there remains an unmet need for the development of therapeutic agents for the treatment of liver cancer. Here, we presented multi-RTKi MBP-11901, an innovative targeted anticancer agent for HCC, suggesting it as a new therapeutic strategy for the treatment of liver cancer. Abstract Hepatocellular carcinomas (HCCs) are aggressive tumors with a poor prognosis. Approved first-line treatments include sorafenib, lenvatinib, and a combination of atezolizumab and bevacizumab; however, they do not cure HCC. We investigated MBP-11901 as a drug candidate for HCC. Cell proliferation and cytotoxicity were evaluated using normal and cancer human liver cell lines, while Western blotting and flow cytometry evaluated apoptosis. The anticancer effect of MBP-11901 was verified in vitro through migration, invasion, colony formation, and JC-1 MMP assays. In mouse models, the tumor volume, tumor weight, and bodyweight were measured, and cancer cell proliferation and apoptosis were analyzed. The toxicity of MBP-11901 was investigated through GOT/GPT and histological analyses in the liver and kidney. The signaling mechanism of MBP-11901 was investigated through kinase assays, phosphorylation analysis, and in silico docking simulations. Results. MBP-11901 was effective against various human HCC cell lines, leading to the disappearance of most tumors when administered orally in animal models. This effect was dose-dependent, with no differences in efficacy according to administration intervals. MBP-11901 induced anticancer effects by targeting the signaling mechanisms of FLT3, VEGFR2, c-KIT, and PDGFRβ. MBP-11901 is suggested as a novel therapeutic agent for the treatment of advanced or unresectable liver cancer.
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Affiliation(s)
- Hyun Jin Park
- R&D Center, Etnova Therapeutics Corp., 124, Sagimakgol-ro, Jungwon-gu, Seongnam-si 13207, Korea; (H.J.P.); (G.C.); (Y.K.); (M.-J.C.); (S.J.C.)
| | - Garam Choi
- R&D Center, Etnova Therapeutics Corp., 124, Sagimakgol-ro, Jungwon-gu, Seongnam-si 13207, Korea; (H.J.P.); (G.C.); (Y.K.); (M.-J.C.); (S.J.C.)
| | - Seongmin Ha
- Institute of Biomedical Engineering Research, Kyungpook National University, 680, Gukchaebosang-ro, Jung-gu, Daegu 41944, Korea; (S.H.); (M.K.I.); (Y.C.)
| | - Yesl Kim
- R&D Center, Etnova Therapeutics Corp., 124, Sagimakgol-ro, Jungwon-gu, Seongnam-si 13207, Korea; (H.J.P.); (G.C.); (Y.K.); (M.-J.C.); (S.J.C.)
| | - Min-Jin Choi
- R&D Center, Etnova Therapeutics Corp., 124, Sagimakgol-ro, Jungwon-gu, Seongnam-si 13207, Korea; (H.J.P.); (G.C.); (Y.K.); (M.-J.C.); (S.J.C.)
| | - Minsup Kim
- InCerebro Drug Discovery Institute, Seoul 01811, Korea;
| | - Md. Kamrul Islam
- Institute of Biomedical Engineering Research, Kyungpook National University, 680, Gukchaebosang-ro, Jung-gu, Daegu 41944, Korea; (S.H.); (M.K.I.); (Y.C.)
| | - Yongmin Chang
- Institute of Biomedical Engineering Research, Kyungpook National University, 680, Gukchaebosang-ro, Jung-gu, Daegu 41944, Korea; (S.H.); (M.K.I.); (Y.C.)
| | - Tae-Jun Kwon
- Preclinical Research Center, Daegu-Gyeongbuk Medical Innovation Foundation, 80, Cheombok-ro, Dong-gu, Daegu 41061, Korea; (T.-J.K.); (D.K.)
| | - Dongkyu Kim
- Preclinical Research Center, Daegu-Gyeongbuk Medical Innovation Foundation, 80, Cheombok-ro, Dong-gu, Daegu 41061, Korea; (T.-J.K.); (D.K.)
| | - Eunbee Jang
- College of Pharmacy, Daegu Catholic University, 13-13, Hayang-ro, Hayang-eup, Gyeongsan-si 38430, Korea; (E.J.); (T.H.K.)
| | - Tae Hwan Kim
- College of Pharmacy, Daegu Catholic University, 13-13, Hayang-ro, Hayang-eup, Gyeongsan-si 38430, Korea; (E.J.); (T.H.K.)
| | - Sha Joung Chang
- R&D Center, Etnova Therapeutics Corp., 124, Sagimakgol-ro, Jungwon-gu, Seongnam-si 13207, Korea; (H.J.P.); (G.C.); (Y.K.); (M.-J.C.); (S.J.C.)
| | - Yeoun-Hee Kim
- R&D Center, Etnova Therapeutics Corp., 124, Sagimakgol-ro, Jungwon-gu, Seongnam-si 13207, Korea; (H.J.P.); (G.C.); (Y.K.); (M.-J.C.); (S.J.C.)
- Correspondence: ; Tel.: +82-31-776-3403
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Hepatic Arterial Infusion Chemotherapy Followed by Lipiodol Infusion for Advanced Hepatocellular Carcinoma with Portal Vein Tumor Thrombus: A Single-Center Experience. ACTA ACUST UNITED AC 2021; 57:medicina57080779. [PMID: 34440985 PMCID: PMC8399970 DOI: 10.3390/medicina57080779] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2021] [Revised: 07/27/2021] [Accepted: 07/28/2021] [Indexed: 12/21/2022]
Abstract
Background and Objectives: To evaluate the effectiveness of hepatic arterial infusion chemotherapy (HAIC) followed by lipiodol infusion in advanced hepatocellular carcinoma (HCC) with portal vein tumor thrombus (PVTT). Materials and Methods: Thirty-two patients with advanced HCC and PVTT who received HAIC with regimens of cisplatin, mitomycin-C, and 5-fluorouracil followed by lipiodol infusion were enrolled. The primary efficacy endpoint was tumor response rate. The modified Response Evaluation Criteria in Solid Tumors (mRECIST) was used for assessment of treatment response. The secondary endpoints were overall survival (OS) and progression free survival (PFS). Prognostic factors for survival also were evaluated. Results: The median OS and PFS were 11.9 and 9.5 months, respectively. Seventeen patients (53.1%) achieved objective response, and 23 patients (71.9%) achieved disease control. The length of survival in the responder and disease control groups was longer than in the non-responder and progressive disease groups after two cycles of HAIC (responder vs. non-responder: 16.5 vs. 7.9 months, p = 0.001; disease control vs. progressive disease: 12.3 vs. 5.6 months, p < 0.001) and after completing HAIC (responder vs. non-responder: 15.7 vs. 6.9 months, p = 0.001; disease control vs. progressive disease: 13.6 vs. 6.9 months, p < 0.001). Better survival was associated with Child-Pugh A liver function (p = 0.013), with early response to two HAIC cycles (p = 0.009), and with response (p = 0.02) and disease control (p = 0.001) after completing HAIC treatment. Conclusion: HAIC followed by lipiodol infusion is a safe and feasible treatment for advanced HCC with PVTT. Patients with early response could continue HAIC treatment with expected prolonged survival.
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Long GB, Xiao CW, Zhao XY, Zhang J, Li X. Effects of hepatic arterial infusion chemotherapy in the treatment of hepatocellular carcinoma: A meta-analysis. Medicine (Baltimore) 2020; 99:e20745. [PMID: 32590750 PMCID: PMC7328911 DOI: 10.1097/md.0000000000020745] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/24/2022] Open
Abstract
BACKGROUND The potential benefits and safety of hepatic arterial infusion chemotherapy (HAIC) for the treatment of patients with hepatocellular carcinoma (HCC) remains inconsistent. Therefore, we conducted this meta-analysis of evaluate the efficacy and safety of HAIC in the treatment of HCC. METHODS A comprehensive literature search was performed using PubMed, Embase, Web of Science, and the Cochrane library to identify eligible studies that compared HAIC with other therapies for patients with HCC. The main outcomes of our interest, including overall survival (OS), disease free survival (DFS), objective response rate (ORR), disease control rate (DCR), and adverse events, were calculated using the meta-analysis. The pooled estimates were expressed with hazard ratio (HR) with 95%confidence intervals (95%CIs) or risk ratio (RR) with 95%CIs. RESULTS A total of 13 studies met the inclusion criteria and were included in this meta-analysis. Pooled estimates showed that, HAIC was associated with significantly improved OS (HR = 0.61, 95%CI: 0.48, 0.77; P < .001) and DFS (HR = 0.66, 95%CI: 0.52, 0.84; P = .001) as compared with other therapies. The ORR (RR = 2.28, 95%CI: 1.77, 2.94; P < .001) and DCR (RR = 1.47, 95%CI: 1.23, 1.77; P < .001) were also significantly higher in HAIC group than in control group. Most of the common adverse events were comparably occurred in the 2 groups, except for nausea/vomiting, hypoalbuminemia, pain, anemia and hepatic toxicity. Subgroup analysis suggested that, the improved OS and DFS associated with HAIC were only observed in patients with colorectal liver metastases (CRLM), or advanced HCC, but not in those with unresectable HCC or pancreatic liver metastases. CONCLUSION Based on the present data, HAIC showed benefit effect in HCC patients, with pronged OS and DFS, as well as increased ORR and DCR. These benefit effects were more obvious in CRLM or advanced HCC patients. However, considering the potential limitations, more large-scale, randomized trials are needed to verify our findings.
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Inhibition of anaplastic lymphoma kinase promotes apoptosis and suppresses proliferation in human hepatocellular carcinoma. Anticancer Drugs 2019; 29:513-519. [PMID: 29570100 DOI: 10.1097/cad.0000000000000616] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
Abstract
Our study was to examine the roles of crizotinib and ceritinib in hepatocellular carcinoma (HCC) cells and explore the possible mechanisms. MTT assay was employed to examine the proliferation of five HCC cell lines treated with various concentrations of crizotinib or ceritinib. HepG2 and HCCLM3 cells were incubated with 2 nmol/l ceritinib for 1 week, followed by crystal violet staining and cell counting. Protein amounts of t-ALK, p-ALK, t-AKT, p-AKT, t-ERK, p-ERK, Mcl-1, survivin, and XIAP in HepG2 cells under different culture conditions were evaluated by western blot. HepG2 and HCCLM3 cells were treated with vehicle or ceritinib and measured by flow cytometry apoptosis analysis with Annexin-V/propidium iodide staining. MTT assay showed that both crizotinib and ceritinib suppressed the proliferation of various human HCC cells. Crystal violet staining analysis also indicated that ceritinib effectively inhibited human HCC cell proliferation. Western blot analysis indicated that both crizotinib and ceritinib inhibited ALK, AKT, and ERK phosphorylations. In addition, ceritinib reduced antiapoptotic gene expressions in HepG2 cells. Flow cytometry analysis indicated that ceritinib induced HepG2 and HCCLM3 cells apoptosis. ALK inhibitor exhibited antitumor effects by inhibiting ALK activation, repressing AKT and ERK pathways, and suppressing antiapoptotic gene expressions, which subsequently promoted apoptosis and suppressed HCC cell proliferations.
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Moran A, Ramos LF, Picado O, Pendola F, Sleeman D, Dudeja V, Merchant N, Yakoub D. Hepatocellular carcinoma: resection with adjuvant hepatic artery infusion therapy vs resection alone. A systematic review and meta-analysis. J Surg Oncol 2018; 119:455-463. [PMID: 30575028 DOI: 10.1002/jso.25338] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2018] [Accepted: 11/25/2018] [Indexed: 12/14/2022]
Abstract
Hepatocellular carcinoma (HCC) has a recurrence rate of up to 70% in 5 years after resection, detrimentally lowering survival. The role of adjuvant therapy remains controversial; therefore, the aim of this study was to evaluate the disease-free and overall survival of patients with HCC, not candidates for transplantation, undergoing resection and adjuvant hepatic artery infusion therapy vs resection alone. Our meta-analysis showed that adjuvant HAIC improves overall and disease-free survival after resection, especially in tumors ≥7 cm.
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Affiliation(s)
- Alexandra Moran
- Division of Surgical Oncology, DeWitt Daughtry Family Department of Surgery, University of Miami Leonard M. Miller School of Medicine, Miami, Florida
| | - Lorena Flor Ramos
- Division of Surgical Oncology, DeWitt Daughtry Family Department of Surgery, University of Miami Leonard M. Miller School of Medicine, Miami, Florida
| | - Omar Picado
- Division of Surgical Oncology, DeWitt Daughtry Family Department of Surgery, University of Miami Leonard M. Miller School of Medicine, Miami, Florida
| | - Fiorella Pendola
- Department of Medicine, Blake Medical Center, Bradenton, Florida
| | - Danny Sleeman
- Division of General Surgery, DeWitt Daughtry Family Department of Surgery, University of Miami Leonard M. Miller School of Medicine, Miami, Florida.,Sylvester Comprehensive Cancer Center, University of Miami Leonard M. Miller School of Medicine, Miami, Florida
| | - Vikas Dudeja
- Division of Surgical Oncology, DeWitt Daughtry Family Department of Surgery, University of Miami Leonard M. Miller School of Medicine, Miami, Florida.,Sylvester Comprehensive Cancer Center, University of Miami Leonard M. Miller School of Medicine, Miami, Florida
| | - Nipun Merchant
- Division of Surgical Oncology, DeWitt Daughtry Family Department of Surgery, University of Miami Leonard M. Miller School of Medicine, Miami, Florida.,Sylvester Comprehensive Cancer Center, University of Miami Leonard M. Miller School of Medicine, Miami, Florida
| | - Danny Yakoub
- Division of Surgical Oncology, DeWitt Daughtry Family Department of Surgery, University of Miami Leonard M. Miller School of Medicine, Miami, Florida.,Sylvester Comprehensive Cancer Center, University of Miami Leonard M. Miller School of Medicine, Miami, Florida
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Ye Z, Gao X, Zhao B, Li H, Wan M, Wu N, Chang M, Cheng S. Diwu Yanggan capsule inhibits the occurrence and development of liver cancer in the Solt-Farber rat model by regulating the Ras/Raf/Mek/Erk signaling pathway. Am J Transl Res 2018; 10:3797-3805. [PMID: 30662630 PMCID: PMC6291696] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2018] [Accepted: 10/22/2018] [Indexed: 06/09/2023]
Abstract
This study sought to determine the effect and explore the mechanism of the Chinese medicinal compound preparation Diwu Yanggan (DWYG) capsule on the occurrence and development of liver cancer using the Solt-Farber rat model. Sprague-Dawley rats were randomly distributed into a normal group, sham group, DWYG group, sorafenib group, and model group. The DWYG group and sorafenib group were given DWYG capsule and sorafenib tablet, respectively, with induction of the model. Hematoxylin-eosin (HE) staining was used to detect liver pathological changes. The content of nuclear DNA in the liver was detected by Feulgen staining, and the expression of PCNA was detected by immunohistochemical staining. Molecular biology methods were used to detect the expression of liver regeneration-related factors and Ras/Raf/Mek/Erk signaling pathway-related proteins and mRNAs. HE staining showed that compared with those in the model group, the liver pathological changes in the DWYG group were significantly reduced (P < 0.05). The nuclear DNA content in the liver based on Feulgen staining and the expression of PCNA in the DWYG group was lower than that in the model group (P < 0.05). The expression of regeneration-related factors and Ras/Raf/Mek/Erk signaling pathway-related proteins and mRNAs was significantly lower in the DWYG group than in the model group (P < 0.05). In conclusion, DWYG capsules to some degree inhibit the occurrence and development of liver cancer in the Solt-Farber rat model, and the effect is not inferior to that of sorafenib. DWYG capsules likely delay the occurrence and development of liver cancer and improve the liver regeneration microenvironment by regulating the Ras/Raf/Mek/Erk signaling pathway and regeneration-related factors.
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Affiliation(s)
- Zhihua Ye
- National Level-3 Laboratory of Cell Molecular Biology of Traditional Chinese Medicine Research, Hubei Provincial Hospital of Traditional Chinese MedicineWuhan 430061, Hubei Province, China
- Hubei Province Academy of Traditional Chinese MedicineWuhan 430074, Hubei Province, China
| | - Xiang Gao
- National Level-3 Laboratory of Cell Molecular Biology of Traditional Chinese Medicine Research, Hubei Provincial Hospital of Traditional Chinese MedicineWuhan 430061, Hubei Province, China
- Hubei Province Academy of Traditional Chinese MedicineWuhan 430074, Hubei Province, China
| | - Binbin Zhao
- Hubei University of Chinese MedicineWuhan 430065, Hubei Province, China
| | - Hanmin Li
- National Level-3 Laboratory of Cell Molecular Biology of Traditional Chinese Medicine Research, Hubei Provincial Hospital of Traditional Chinese MedicineWuhan 430061, Hubei Province, China
- Hubei Province Academy of Traditional Chinese MedicineWuhan 430074, Hubei Province, China
| | - Ming Wan
- National Level-3 Laboratory of Cell Molecular Biology of Traditional Chinese Medicine Research, Hubei Provincial Hospital of Traditional Chinese MedicineWuhan 430061, Hubei Province, China
- Hubei Province Academy of Traditional Chinese MedicineWuhan 430074, Hubei Province, China
| | - Na Wu
- Hubei University of Chinese MedicineWuhan 430065, Hubei Province, China
| | - Mingxiang Chang
- Hubei University of Chinese MedicineWuhan 430065, Hubei Province, China
| | - Sisi Cheng
- The Eighth Hospital of WuhanWuhan 430010, Hubei Province, China
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Yang S, Liu G. Targeting the Ras/Raf/MEK/ERK pathway in hepatocellular carcinoma. Oncol Lett 2017; 13:1041-1047. [PMID: 28454211 DOI: 10.3892/ol.2017.5557] [Citation(s) in RCA: 146] [Impact Index Per Article: 20.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2015] [Accepted: 09/28/2016] [Indexed: 12/12/2022] Open
Abstract
Although the biological basis of hepatocellular carcinoma (HCC) remains unclear, effective treatments and improvement of the survival rate remain worthwhile research goals. Abnormal protein signaling pathways contributing to uncontrolled cell proliferation, differentiation, survival and apoptosis are biomarkers of the carcinogenic process. Certain mutated components or overexpression of the rat sarcoma virus (Ras)/rapidly accelerated fibrosarcoma (Raf)/mitogen-activated protein kinase kinase (MEK)/extracellular signal-regulated kinase (ERK) signaling pathway are increasingly being studied in HCC carcinogenesis. The present review addresses the effect of the Ras/Raf/MEK/ERK signaling pathway on the pathogenesis of HCC, and provides an update on the preclinical and clinical development of various inhibitors targeting this core signaling pathway, which include various Ras inhibitors, Raf inhibitors and MEK inhibitors for HCC.
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Affiliation(s)
- Sufang Yang
- Department of Pharmacy, The First Affiliated Hospital of Shantou University Medical Collage, Shantou, Guangdong 515041, P.R. China
| | - Guohua Liu
- Department of Pharmacy, The First Affiliated Hospital of Shantou University Medical Collage, Shantou, Guangdong 515041, P.R. China
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Chu Q, Xu H, Gao M, Guan X, Liu H, Deng S, Huo X, Liu K, Tian Y, Ma X. Liver-targeting Resibufogenin-loaded poly(lactic-co-glycolic acid)-D-α-tocopheryl polyethylene glycol 1000 succinate nanoparticles for liver cancer therapy. Int J Nanomedicine 2016; 11:449-63. [PMID: 26869788 PMCID: PMC4734807 DOI: 10.2147/ijn.s93541] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022] Open
Abstract
Liver cancer remains a major problem around the world. Resibufogenin (RBG) is a major bioactive compound that was isolated from Chansu (also called toad venom or toad poison), which is a popular traditional Chinese medicine that is obtained from the skin secretions of giant toads. RBG has strong antitumor effects, but its poor aqueous solubility and its cardiotoxicity have limited its clinical use. The aim of this study was to formulate RBG-loaded poly(lactic-co-glycolic acid) (PLGA)-d-α-tocopheryl polyethylene glycol 1000 succinate nanoparticle (RPTN) to enhance the treatment of liver cancer. RPTN, RBG-loaded PLGA nanoparticle (RPN), and RBG/coumarin-6-loaded PLGA-d-α-tocopheryl polyethylene glycol 1000 succinate nanoparticle (RCPTN) were prepared. The cellular uptake of RCPTN by HepG2 and HCa-F cells was analyzed using confocal laser scanning microscopy. Apoptosis was induced in HepG2 cells by RPTN, RBG solution (RS), and 5-fluorouracil solution (used as the negative controls), as assayed using flow cytometry. LD50 (median lethal dose) values were determined for RS and RPTN, and the liver-targeting properties were determined for RCPTN in intravenously injected mice. A pharmacokinetic study was conducted in rats, and the in vivo therapeutic effects of RPTN, RPN, and RS were examined in a mouse tumor model. The results showed that RCPTN simultaneously delivered both coumarin-6 and RBG into HepG2 and HCa-F cells. The ratio of apoptotic cells was increased in the RPTN group. The LD50 for RPTN was 2.02-fold higher than the value for RS. Compared to RS, RPTN and RPN both showed a significant difference in vivo not only in the pharmacodynamic study but also in anticancer efficacy, and RPTN performed much better than RPN. The detection indexes for drug concentration and fluorescence inversion microscopy images both demonstrated that RCPTN was much better at targeting the liver than RS. The liver-targeting RPTN, which displayed enhanced pharmacological effects and decreased toxicity for the loaded drug RBG, is therefore a promising intravenous dosage form that may be useful in the treatment of liver cancer.
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Affiliation(s)
- Qiuchen Chu
- College of Pharmacy, Dalian Medical University, Dalian, People's Republic of China
| | - Hong Xu
- College of Basic Medical Sciences, Dalian Medical University, Dalian, People's Republic of China
| | - Meng Gao
- College of Pharmacy, Dalian Medical University, Dalian, People's Republic of China
| | - Xin Guan
- College of Pharmacy, Dalian Medical University, Dalian, People's Republic of China
| | - Hongyan Liu
- College of Pharmacy, Dalian Medical University, Dalian, People's Republic of China
| | - Sa Deng
- College of Pharmacy, Dalian Medical University, Dalian, People's Republic of China
| | - Xiaokui Huo
- College of Pharmacy, Dalian Medical University, Dalian, People's Republic of China
| | - Kexin Liu
- College of Pharmacy, Dalian Medical University, Dalian, People's Republic of China
| | - Yan Tian
- College of Pharmacy, Dalian Medical University, Dalian, People's Republic of China
| | - Xiaochi Ma
- College of Pharmacy, Dalian Medical University, Dalian, People's Republic of China
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Liu Y, Bi T, Dai W, Wang G, Qian L, Gao Q, Shen G. Oxymatrine synergistically enhances the inhibitory effect of 5-fluorouracil on hepatocellular carcinoma in vitro and in vivo. Tumour Biol 2015; 37:7589-97. [PMID: 26687645 DOI: 10.1007/s13277-015-4642-1] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2015] [Accepted: 12/13/2015] [Indexed: 12/27/2022] Open
Abstract
Oxymatrine (OMT), one of the main active components of extracts from the dry roots of Sophora flavescens, has long been employed clinically to treat cancers. Here, we investigated the synergistic effect of OMT with 5-fluorouracil (5-Fu) on the tumor growth inhibition of hepatocellular carcinoma cells (HCC; Hep-G2 and SMMC-7721) and explored the underlying mechanism. Cells were treated with OMT and/or 5-Fu and subjected to cell viability, colony formation, apoptosis, cell cycle, western blotting, xenograft tumorigenicity assay, and immunohistochemistry. OMT and 5-Fu inhibited the proliferation of Hep-G2 and SMMC-7721 cells, and combination treatment with OMT and 5-Fu resulted in a combination index <1, indicating a synergistic effect. Co-treatment with OMT and 5-Fu caused G0/G1 phase arrest by upregulating P21 and P27 and downregulating cyclin D, and induced apoptosis through increasing the production of reactive oxygen species (ROS) and decreasing the levels of p-ERK. In addition, the inhibition of ROS respectively reversed the cell death induced by 5-Fu + OMT, suggesting the key roles of ROS in the process. More importantly, 5-Fu and OMT in combination exhibit much superior tumor weight and volume inhibition on SMMC-7721 xenograft mouse model in comparison to 5-Fu or OMT alone. Immunohistochemistry analysis suggests the combinations greatly suppressed tumor proliferation, which was consistent with our in vitro results. Taken together, our findings indicated that OMT sensitizes HCC to 5-Fu treatment by the suppression of ERK activation through the overproduction of ROS, and combination treatment with OMT and 5-Fu would be a promising therapeutic strategy for HCC treatment.
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Affiliation(s)
- Yan Liu
- Department of General Surgery, Wujiang No. 1 People's Hospital, Suzhou, 215200, China
| | - Tingting Bi
- Department of Geriatric Ward, Wujiang No. 1 People's Hospital, Suzhou, 215200, China
| | - Wei Dai
- Department of General Surgery, Wujiang No. 1 People's Hospital, Suzhou, 215200, China
| | - Gang Wang
- Department of General Surgery, Wujiang No. 1 People's Hospital, Suzhou, 215200, China
| | - Liqiang Qian
- Department of General Surgery, Wujiang No. 1 People's Hospital, Suzhou, 215200, China
| | - Quangen Gao
- Department of General Surgery, Wujiang No. 1 People's Hospital, Suzhou, 215200, China.
| | - Genhai Shen
- Department of General Surgery, Wujiang No. 1 People's Hospital, Suzhou, 215200, China.
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Chlorogenic acid enhances the effects of 5-fluorouracil in human hepatocellular carcinoma cells through the inhibition of extracellular signal-regulated kinases. Anticancer Drugs 2015; 26:540-6. [PMID: 25714249 PMCID: PMC4415958 DOI: 10.1097/cad.0000000000000218] [Citation(s) in RCA: 51] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Abstract
Supplemental Digital Content is available in the text. There is an urgent need to search for novel chemosensitizers in the field of cancer therapy. Chlorogenic acid (CGA), a type of polyphenol present in the diet, has many biological activities. The present study is designed to explore the influence of CGA on the effects of 5-fluorouracil (5-FU) on human hepatocellular carcinoma cells (HepG2 and Hep3B). Treatment with 5-FU induced the inhibition of hepatocellular carcinoma cells’ proliferation, and the combined treatment with CGA enhanced this inhibition. 5-FU also increased the production of reactive oxygen species (ROS). The combination of 5-FU and CGA led to a more prominent production of ROS and significantly inactivated ERK1/2, although CGA and 5-FU exerted no significant changes when used alone. A previous report has shown that ROS are upstream mediators that inactivate ERK in hepatocellular carcinoma cells. Combined with our results, this indicates that the combination of 5-FU and CGA leads to the inactivation of ERK through the overproduction of ROS. This mediates the enhancement of 5-FU-induced inhibition of hepatocellular carcinoma cells’ proliferation, that is, CGA sensitizes hepatocellular carcinoma cells to 5-FU treatment by the suppression of ERK activation through the overproduction of ROS. CGA has shown potential as a chemosensitizer of 5-FU chemotherapy in hepatocellular carcinoma.
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Xu JF, Liu XY, Wang S, Wen HX. Surgical treatment for hepatocellular carcinoma with portal vein tumor thrombus: a novel classification. World J Surg Oncol 2015; 13:86. [PMID: 25889711 PMCID: PMC4352541 DOI: 10.1186/s12957-015-0493-x] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2014] [Accepted: 02/01/2015] [Indexed: 12/13/2022] Open
Abstract
BACKGROUND The hepatic resection for hepatocellular carcinoma (HCC) with portal vein tumor thrombus (PVTT) which is not uncommon at clinic continues to be debated. Our study introduced a novel classification of HCC with PVTT and compared the outcomes of surgical treatment between different groups. METHODS From January 2008 to December 2012, a total of 56 cases of HCC with PVTT underwent liver resection combined with thrombectomy. Clinical pathological features and surgical data of these patients were retrospectively studied. The patients were divided into two groups. Cumulative overall and disease-free survival curves of the patients were compared according to different groups. RESULTS Sixteen patients (28.6%) belonging to group A were compared to 40 patients (71.4%) belonging to group B. The rates of capsular formation and tumor number showed differences between the two groups (P = 0.047, P = 0.032). Group A had more liver cirrhosis than group B (P = 0.047). The patients with large blood loss (≥1,000) were more in group A, as well. There was no significant difference in complications between the two groups except the ascites (P = 0.028). The 1-year overall survival rate of group A after liver resection was 31.5%. The 1-, 3-, and 5-year overall survival rates of group B were 62.3%, 16.1%, and 5.2%, respectively. For further study, group B had significantly better overall survival than group A (P = 0.033). Group A had significantly higher incidence of recurrence than group B (P = 0.021). CONCLUSIONS Liver resection combined with thrombectomy for HCC with PVTT can get better outcome in the HCC patients with PVTT involving only one branch (left/right) of portal vein (group B) compared to patients with PVTT involving the main portal vein trunk or both the left and right portal veins (group A).
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Affiliation(s)
- Jiang-feng Xu
- Department of Surgery, The Fourth Affiliated Hospital of Zhejiang, University School of Medicine, East building in Huajiachi campus, Kaixuan road 268, Hangzhou, Zhejiang, 310020, China.
| | - Xi-yu Liu
- Department of Surgery, The Fourth Affiliated Hospital of Zhejiang, University School of Medicine, East building in Huajiachi campus, Kaixuan road 268, Hangzhou, Zhejiang, 310020, China.
| | - Shuai Wang
- Department of Surgery, The Fourth Affiliated Hospital of Zhejiang, University School of Medicine, East building in Huajiachi campus, Kaixuan road 268, Hangzhou, Zhejiang, 310020, China.
| | - Huai-xi Wen
- Department of Surgery, The Fourth Affiliated Hospital of Zhejiang, University School of Medicine, East building in Huajiachi campus, Kaixuan road 268, Hangzhou, Zhejiang, 310020, China.
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Melichar B, Dvorak J, Ferko A, Kamaradova K, Krajina A. Hepatic arterial infusion in hepatocellular carcinoma: a single center experience. Biomed Pap Med Fac Univ Palacky Olomouc Czech Repub 2014; 159:139-44. [PMID: 25482737 DOI: 10.5507/bp.2014.054] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2014] [Accepted: 10/08/2014] [Indexed: 11/23/2022] Open
Abstract
AIM The aim of the present study was to evaluate a single center experience with hepatic arterial infusion (HAI) in patients with hepatocellular carcinoma. METHODS A retrospective analysis of 20 patients treated for hepatocellular carcinoma between 1994 and 2007. RESULTS Most patients were treated with an HAI of doxorubicin and cisplatin combined with 5-fluorouracil and folinic acid. The response was not evaluable in the majority of patients, predominantly because of associated surgical procedure or because only one cycle of HAI was administered. The median progression-free survival was 7.7 months. The median survival of all patients was 12.2 months (5-year survival 5%). Serious adverse events were observed in 5 patients, and one patient died of liver failure in association with the administration of HAI. CONCLUSION The data show the limited efficacy of HAI in patients with hepatocellular carcinoma.
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Affiliation(s)
- Bohuslav Melichar
- Department of Oncology, Faculty of Medicine and Dentistry, Palacky University Olomouc, Czech Republic
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Intra-arterial chemotherapy with doxorubicin and cisplatin is effective for advanced hepatocellular cell carcinoma. ScientificWorldJournal 2014; 2014:160138. [PMID: 24967421 PMCID: PMC4055608 DOI: 10.1155/2014/160138] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2014] [Revised: 04/28/2014] [Accepted: 05/01/2014] [Indexed: 12/13/2022] Open
Abstract
Advanced hepatocellular carcinoma (HCC) remains a fatal disease even in the era of targeted therapies. Intra-arterial chemotherapy (IACT) can provide therapeutic benefits for patients with locally advanced HCC who are not eligible for local therapies or are refractory to targeted therapies. The aim of this retrospective study was to analyze the effect of IACT with cisplatin and doxorubicin on advanced HCC. Methods. Patients with advanced HCC who were not eligible for local therapies or were refractory to sorafenib received doxorubicin (50 mg/m2) and cisplatin (50 mg/m2) infusions into the liver via the transhepatic artery. Between January 2005 and December 2011, a total of 50 patients with advanced HCC received this treatment regimen. The overall response rate (ORR) was 22% in all treated patients. In patients who received at least 2 cycles of IACT, the ORR was 36.7%, and the disease control rate was 70%. Survival rate differed significantly between patients who received only one cycle of IACT (group I) and those who received several cycles (group II). The median progression-free survival was 1.3 months and 5.8 months in groups I and II, respectively (P < 0.0001). The median overall survival was 8.3 months for all patients and was 3.1 months and 12.0 months in groups I and II, respectively (P < 0.0001). The most common toxicity was alopecia. Four patients developed grade 3 or 4 leukopenia. Worsening of liver function, nausea, and vomiting were uncommon side effects. This study demonstrated clinical efficacy and tolerable side effects of repeated IACT with doxorubicin and cisplatin in advanced HCC. Our regimen can be an alternative choice for patients with adequate liver function who do not want to receive continuous infusion of IACT.
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Jia SW, Fu S, Wang F, Shao Q, Huang HB, Shao JY. ALK gene copy number gain and its clinical significance in hepatocellular carcinoma. World J Gastroenterol 2014; 20:183-192. [PMID: 24415871 PMCID: PMC3886007 DOI: 10.3748/wjg.v20.i1.183] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/05/2013] [Revised: 10/08/2013] [Accepted: 10/18/2013] [Indexed: 02/06/2023] Open
Abstract
AIM: To examine the status and clinical significance of anaplastic lymphoma kinase (ALK) gene alterations in hepatocellular carcinoma (HCC) patients.
METHODS: A total of 213 cases of HCC were examined by fluorescent in situ hybridization using dual color break-apart ALK probes for the detection of chromosomal translocation and gene copy number gain. HCC tissue microarrays were constructed, and the correlation between the ALK status and clinicopathological variables was assessed by χ2 test or Fisher’s exact test. Survival analysis was estimated using the Kaplan-Meier approach with a Log-rank test. Univariate and multivariate analyses of clinical variables were performed using the Cox proportional hazards regression model.
RESULTS: ALK gene translocation was not observed in any of the HCC cases included in the present study. ALK gene copy number gain (ALK/CNG) (≥ 4 copies/cell) was detected in 28 (13.15%) of the 213 HCC patients. The 3-year progression-free-survival (PFS) rate for ALK/CNG-positive HCC patients was significantly poorer than ALK/CNG-negative patients (27.3% vs 42.5%, P = 0.048), especially for patients with advanced stage III/IV (0% vs 33.5%, P = 0.007), and patients with grade III disease (24.8% vs 49.9%, P = 0.023). ALK/CNG-positive HCC patients had a significantly poorer prognosis than ALK/CNG-negative patients in the subgroup that was negative for serum hepatitis B virus DNA, with significantly different 3-year overall survival rates (18.2% vs 63.6%, P = 0.021) and PFS rates (18.2% vs 46.9%, P = 0.019). Multivariate Cox proportional hazards regression analysis suggested that ALK/CNG prevalence can predict death in HCC (HR = 1.596; 95%CI: 1.008-2.526, P = 0.046).
CONCLUSION: ALK/CNG, but not translocation of ALK, is present in HCC and may be an unfavorable prognostic predictor.
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Oh MJ, Lee HJ, Lee SH. Efficacy and safety of hepatic arterial infusion chemotherapy for advanced hepatocellular carcinoma as first-line therapy. Clin Mol Hepatol 2013; 19:288-99. [PMID: 24133667 PMCID: PMC3796679 DOI: 10.3350/cmh.2013.19.3.288] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/06/2013] [Revised: 08/20/2013] [Accepted: 08/22/2013] [Indexed: 02/06/2023] Open
Abstract
Background/Aims Hepatic arterial infusion chemotherapy (HAIC) with 5-fluorouracil and cisplatin for intractable advanced hepatocellular carcinoma (HCC) may have survival benefits. We aimed to determine the efficacy and safety of HAIC for advanced HCC as first-line therapy. Methods A total of 54 patients who received only HAIC with 5-fluorouracil (750 mg/m2 on days 1-4) and cisplatin (25 mg/m2 on days 1-4) for advanced HCC from Jan. 2009 to Dec. 2011 were selected. According to Child-Pugh class, the overall survival (OS), progression-free survival (PFS), and adverse events after HAIC were investigated retrospectively. Results Median OS and PFS between the Child-Pugh A group (n=24) and the Child-Pugh B/C group (n=30) were 8.7 (95% confidence interval [CI]: 4.7-12.7) vs. 3.7 months (95% CI: 2.0-5.3), and 7.1 (95% CI: 3.8-10.4) vs. 3.6 months (95% CI: 2.0-5.2), respectively. Although median OS and PFS were not statistically significant between the two groups (P=0.079, P=0.196), the Child-Pugh class B/C tended to influence poor OS. Serious adverse events ≥ grade 3 occurred frequently in both groups (83.3 vs. 96.7%, P=0.159). Responders (22.2%, complete or partial response) significantly differed in median OS, compared to non-responders (13.1 vs. 4.4 months, P=0.019). Achievement of complete or partial response was an independent prognostic factor of OS (hazard ratio: 0.4, 95% CI: 0.2-0.8, P=0.011). Conclusions Achievement of response after HAIC provide a survival benefit in patients with advanced HCC, but HAIC should be administered cautiously in patients with Child-Pugh class B/C, because of a relatively low survival and high incidence of serious adverse events.
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Affiliation(s)
- Myung Jin Oh
- Department of Internal Medicine, Yeungnam University College of Medicine, Daegu, Korea
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Song DS, Bae SH, Song MJ, Lee SW, Kim HY, Lee YJ, Oh JS, Chun HJ, Lee HG, Choi JY, Yoon SK. Hepatic arterial infusion chemotherapy in hepatocellular carcinoma with portal vein tumor thrombosis. World J Gastroenterol 2013; 19:4679-4688. [PMID: 23922465 PMCID: PMC3732840 DOI: 10.3748/wjg.v19.i29.4679] [Citation(s) in RCA: 31] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/29/2013] [Revised: 05/15/2013] [Accepted: 06/10/2013] [Indexed: 02/06/2023] Open
Abstract
AIM: To evaluate the prognostic factors and efficacy of hepatic arterial infusion chemotherapy in hepatocellular carcinoma with portal vein tumor thrombosis.
METHODS: Fifty hepatocellular carcinoma (HCC) patients with portal vein tumor thrombosis (PVTT) were treated using hepatic arterial infusion chemotherapy (HAIC) via a subcutaneously implanted port. The epirubicin-cisplatin-5-fluorouracil (ECF) chemotherapeutic regimen consisted of 35 mg/m2 epirubicin on day 1, 60 mg/m2 cisplatin for 2 h on day 2, and 500 mg/m2 5-fluorouracil for 5 h on days 1-3. The treatments were repeated every 3 or 4 wk.
RESULTS: Three (6%) of the 50 patients achieved a complete response (CR), 13 (26%) showed partial responses (PR), and 22 (44%) had stable disease (SD). The median survival and time to progression were 7 and 2 mo, respectively. After 2 cycles of HAIC, CR was achieved in 1 patient (2%), PR in 10 patients (20%) and SD in 26 patients (52%). Significant pre-treatment prognostic factors were a tumor volume of < 400 cm3 (P = 0.01) and normal levels of protein induced by vitamin K absence or antagonist (PIVKA)-II (P = 0.022). After 2 cycles of treatment, disease control (CR + PR + SD) (P = 0.001), PVTT response (P = 0.003) and α-fetoprotein reduction of over 50% (P = 0.02) were independent factors for survival. Objective response (CR + PR), disease control, PVTT response, and combination therapy during the HAIC were also significant prognostic factors. Adverse events were tolerable and successfully managed.
CONCLUSION: HAIC may be an effective treatment modality for advanced HCC with PVTT in patients with tumors < 400 cm3 and good prognostic factors.
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Deng L, Ren Z, Jia Q, Wu W, Shen H, Wang Y. Schedule-dependent antitumor effects of 5-fluorouracil combined with sorafenib in hepatocellular carcinoma. BMC Cancer 2013; 13:363. [PMID: 23895220 PMCID: PMC3734040 DOI: 10.1186/1471-2407-13-363] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2012] [Accepted: 07/22/2013] [Indexed: 01/05/2023] Open
Abstract
Background Recently, a phase II clinical trial in hepatocellular carcinoma (HCC) has suggested that the combination of sorafenib and 5-fluorouracil (5-FU) is feasible and side effects are manageable. However, preclinical experimental data explaining the interaction mechanism(s) are lacking. Our objective is to investigate the anticancer efficacy and mechanism of combined sorafenib and 5-FU therapy in vitro in HCC cell lines MHCC97H and SMMC-7721. Methods Drug effects on cell proliferation were evaluated by cell viability assays. Combined-effects analyses were conducted according to the median-effect principle. Cell cycle distribution was measured by flow cytometry. Expression levels of proteins related to the RAF/MEK/ERK and STAT3 pathways and to cell cycle progression (cyclin D1) were determined by western blot analysis. Results Sorafenib and 5-FU alone or in combination showed significant efficacy in inhibiting cell proliferation in both cell lines tested. However, a schedule-dependent combined effect, associated with the order of compound treatments, was observed. Efficacy was synergistic with 5-FU pretreatment followed by sorafenib, but it was antagonistic with the reverse treatment order. Sorafenib pretreatment resulted in a significant increase in the half inhibitory concentration (IC50) of 5-FU in both cell lines. Sorafenib induced G1-phase arrest and significantly decreased the proportion of cells in S phase when administrated alone or followed by 5-FU. The RAF/MEK/ERK and STAT3 pathways were blocked and cyclin D1 expression was down regulated significantly in both cell lines by sorafenib; whereas, the kinase pathways were hardly affected by 5-FU, and cyclin D1 expression was up regulated. Conclusions Antitumor activity of sorafenib and 5-FU, alone or in combination, is seen in HCC cell lines. The nature of the combined effects, however, depends on the particular cell line and treatment order of the two compounds. Sorafenib appears to reduce sensitivity to 5-FU through down regulation of cyclin D1 expression by inhibiting RAF/MEK/ERK and STAT3 signaling, resulting in G1-phase arrest and reduction of the S-phase cell subpopulation when 5-FU is administrated after sorafenib, in which situation, combination treatment of the two agents results in antagonism; on the other hand, when sorafenib is administrated afterward, it can continue to work since it is not cell cycle specific, as a result, combination treatment of the two agents shows an additive-to-synergistic effect.
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Affiliation(s)
- Lifen Deng
- Liver Cancer Institute, Zhongshan Hospital, Fudan University, Shanghai, 200032, People's Republic of China
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