A retrospective analysis of the efficacy of microparticle-mediated chemoembolization in liver metastases arising from gastrointestinal tumors

Chuang Li, Ying Liu, Jun Zhou, Yue-Wei Zhang

Journal of Cancer Research and Therapeutics 2017 13(4):642-646

Purpose: We evaluated the clinical efficacy of gelatin sponge microparticle (GSM) -mediated chemoembolization for the treatment of patients with liver metastases following surgery for gastrointestinal tumors. Materials and Methods: In a retrospective analysis of 37 patients who were treated at our hospital with GSM-mediated chemoembolization for liver metastases over 13 years, we evaluated outcomes using a modified response evaluation criteria in solid tumors system and also assessed liver function and adverse effects. All patients had previously undergone surgery for gastrointestinal tumors. Results: Treatment produced various degrees of necrosis and shrinkage of lesions among our patients. Two patients achieved a complete response (CR), 27 showed a partial response (PR), five had stable disease, and three had progressive disease. The overall response rate (CR + PR) was 78%, and no severe adverse effects were observed. Conclusion: GSM-mediated chemoembolization showed good clinical efficacy in the treatment of liver metastases after gastrointestinal tumor surgery. However, larger cohort and clinical controlled studies are warranted.

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