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Hepatogastroenterology. 2009 Nov-Dec;56(96):1755-9.

Irinotecan plus S-1 for liver metastases of gastric cancer.

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Department of Digestive Surgery, Nihon University School of Medicine, 30-1 Ohyaguchi Kamimachi, Itabashi-ku, Tokyo 173-8610, Japan.



This retrospective study evaluated the efficacy of and compliance with combined irinotecan hydrochloride (CPT-11) and S-1 chemotherapy in patients with liver metastases of gastric cancer.


A total of 28 gastric cancer patients with liver metastases received first-line chemotherapy. The response rate, overall survival, and toxicity were evaluated. Fourteen patients were treated with CPT-11+S-1 and they were compared with 14 patients who received cis-diamminedichloroplatinum (CDDP)+S-1.


The CPT+S-1 group showed a higher response rate than the CDDP+S-1 group (57.1% [95% CI 31.2-83.1%] vs. 42.9% [95% CI 16.9-68.8%]; p < 0.44). The median survival time of the CPT-11+S-1 group was significantly longer than the CDDP+S-1 group (16.1 months [95% CI 10.5-21.2] vs. 7.3 months [95% CI 2.2-14.7]; hazard ratio for death, 0.35 [95% CI 0.14-0.83]; p < 0.02). By multivariate analysis for the treatment with CPT-11+S-1 was identified as an independent prognostic factor. The most common adverse effect of CPT-11+S-1 therapy was leukopenia (57.1%), which was Grade 3 in 3 patients (21.4%). However, all patients recovered rapidly and there were no significant differences of toxicity between the two regimens.


CPT-11+S-1 therapy will achieve significantly longer survival than CDDP+S-1 without severe toxicity in gastric cancer patients with liver metastases.

[Indexed for MEDLINE]

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