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Medical Science Monitor Basic Research


eISSN: 1643-3750

Comparative Study of Drug-eluting Beads versus Conventional Transarterial Chemoembolization for Treating Peculiar Anatomical Sites of Gastric Cancer Liver Metastasis

Hao Xu, Xuli Min, Yongjun Ren, Lin Yang, Fang Liu

Sichuan Key Laboratory of Medical Imaging, Department of Interventional Radiology, Affiliated Hospital of North Sichuan Medical College, Nanchong, Sichuan, China (mainland)

Med Sci Monit 2020; 26:e922988

DOI: 10.12659/MSM.922988

Available online: 2020-04-02

Published: 2020-05-31


BACKGROUND: This study aimed to assess the relative safety and short-term efficacy of drug-eluting bead transarterial chemoembolization (DEB-TACE) and conventional transarterial chemoembolization (c-TACE) for treating peculiar anatomical sites of gastric cancer liver metastasis.
MATERIAL AND METHODS: Of the 68 patients with gastric cancer liver metastases confirmed by imaging and pathology, 35 were treated with DEB-TACE and 33 with c-TACE. The DEB-TACE group comprised 26 males and 9 females aged 28-75 years (56.8±6.3), and the c-TACE group included 19 males and 14 females aged 33-77 (60.2±9.4) years. Liver functions of the 2 groups were compared between pre-TACE and 1-week and 1-month after TACE. Computed tomography and magnetic resonance imaging were reexamined at 1, 3, and 6 months after TACE, and short-term efficacy was assessed based on modified response evaluation criteria in solid tumors.
RESULTS: One month following DEB-TACE and c-TACE, the number of cases with objective response (OR) was 29 cases (29 out of 35 cases, 82.9%) and 20 cases (20 out of 33 cases, 60.6%) and disease control (DC) in the 2 groups was 33 cases (33 out of 35 cases, 94.3%) and 26 cases (26 out of 33 cases, 78.8%) respectively (P=0.041, P=0.031). Alanine transaminase (ALT) and Aspartate transaminase (AST) significantly increased in the DEB-TACE and c-TACE groups 1 week later (P<0.001). There were no serious complications in the 2 groups; incidences of nausea and vomiting were significantly lower, but instances of fever were markedly elevated in the DEB-TACE group (P=0.023, P=0.016, respectively).
CONCLUSIONS: The safety, feasibility, and short-term efficacy of DEB-TACE and c-TACE in the treatment of gastric cancer liver metastasis are clear. DEB-TACE leads to less incidences of nausea and vomiting but more incidences of fever than c-TACE.

Keywords: Chemoembolization, Therapeutic, Microspheres, Neoplasm Metastasis, Radiology, Interventional, Stomach Neoplasms