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Advanced signet-ring cell carcinoma of the stomach: Clinicopathological characteristics of patients and efficacy of the modified docetaxel, cisplatin, and fluorouracil regimen

 Department of Medical Oncology, Ankara Numune Education and Research Hospital, Ankara, Turkey

Correspondence Address:
Yakup Bozkaya,
Department of Medical Oncology, Ankara Numune Education and Research Hospital, Ankara 06100
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Source of Support: None, Conflict of Interest: None

Background: The aim of this retrospective study was to investigate the clinicopathological characteristics of patients with signet-ring cell carcinoma (SRCC) of the stomach, and the efficacy of the modified docetaxel, cisplatin, and fluorouracil (mDCF) chemotherapy regimen. Patients and Methods: Sixty-five patients diagnosed with metastatic or recurrent SRCC and treated with at least one course of mDCF regimen as the first-line treatment at our hospital July 2007 and January 2015, were included in this study. The mDCF protocol comprised docetaxel at 60 mg/m 2/day (day 1), cisplatin at 60 mg/m 2/day (day 1), and 5-fluorouracil at 600 mg/m 2/day (days 1–5) for every 3 weeks. Results: The median age was 53 years (range, 25–69 years). The most frequent sites of metastasis were the peritoneum (50.8%) and liver (21.5%). The median number of chemotherapy courses was six. In assessing 61 patients for response evaluation, one patient (1.6%) achieved a complete response, and 36 (59.0%) achieved a partial response. Fifteen patients (24.6%) had stable disease and nine (14.8%) had progressive disease. Grades 3–4 hematological toxicity revealed anemia in three (4.6%) patients, thrombocytopenia in two (3.1%), and neutropenia in five (7.7%). Grades 3–4 nonhematological side effects revealed nausea and vomiting in four (6.1%) patients and mucositis in one (1.5%). The overall survival (OS) and progression-free survival (PFS) were 10.4 months (95% confidence interval [95% CI], 8.9–12.0) and 6.1 months (95% CI, 5.1–7.0), respectively. Multivariate analysis showed that Eastern Cooperative Oncology Group (ECOG) performance score of 2 and a high pretreatment carcinoembryonic antigen level were statistically significant. Conclusions: mDCF is an effective regimen in patients with SRCC of the stomach who have ECOG performance score of 0–1 when the PFS, OS, and tumor response rate are considered. Further prospective studies including more patients should be conducted on this subject.

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