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- Title
A new apatinib microcrystal formulation enhances the effect of radiofrequency ablation treatment on hepatocellular carcinoma.
- Authors
Xie, Hui; Tian, Shengtao; Yu, Haipeng; Yang, Xueling; Liu, Jia; Wang, Huaming; Feng, Fan; Guo, Zhi
- Abstract
Introduction: Radiofrequency ablation (RFA) is the foremost treatment option for advanced hepatocellular carcinoma (HCC), however, rapid and aggressive recurrence of HCC often occurs after RFA due to epithelial–mesenchymal transition process. Although combination of RFA with sorafenib, a molecular targeted agent, could attenuate the recurrence of HCC, application of this molecular targeted agent poses a heavy medical burden and oral administration of sorafenib also brings severe side effects. Materials and methods: In this study, we prepared an apatinib microcrystal formulation (Apa-MS) that sustainably releases apatinib, a novel molecular targeted agent, for advanced HCC treatment. We injected apatinib solution or Apa-MS into subcutaneous HCC tumors. Results: It was found that Apa-MS exhibited slow apatinib release in vivo and in turn inhibited the epithelial–mesenchymal transition of HCC cells for extended time. Moreover, in rodent HCC model, Apa-MS enhanced the antitumor effect of RFA treatment. Conclusion: Based on these results, we conclude that Apa-MS, a slow releasing system of apatinib, allows apatinib to remain effective in tumor tissues for a long time and could enhance the antitumor effect of RFA on HCC.
- Subjects
CATHETER ablation; ANTINEOPLASTIC agent testing; ENZYME inhibitors; GENE targeting; LIVER cancer prevention
- Publication
OncoTargets & Therapy, 2018, Vol 11, p3257
- ISSN
1178-6930
- Publication type
Article
- DOI
10.2147/OTT.S165000