Cisplatin Plus Capecitabine After Adjuvant S-1 in Metastatic Gastric Cancer: A Phase II T-CORE1102 Trial

Takashi Yoshioka, Masanobu Takahashi, Yasuhiro Sakamoto, Akira Okita, Tadahisa Fukui, Yasuko Murakawa, Yoshiaki Shindo, Hiroo Imai, Hisatsugu Ohori, Hidekazu Shirota, Natsuko Chiba, Yuriko Sasahara, Takashi Nomura, Norimasa Fukushima, Takuhiro Yamaguchi, Hideki Shimodaira, Chikashi Ishioka

研究成果: Article査読

抄録

Background/Aim: This phase II study assessed the efficacy of capecitabine plus cisplatin in patients with advanced gastric cancer refractory to adjuvant S-1. Patients and Methods: This single-arm, open-label, multicenter, phase II study was conducted by Tohoku Clinical Oncology Research and Education Society (T-CORE) in Japan. Patients aged ≥20 years with advanced HER2-negative gastric cancer that was refractory to S-1 were enrolled. Patients received 80 mg/m2 cisplatin on day 1 intravenously and 1,000 mg/m2 capecitabine twice daily from day 1 to day 14, in 3-week cycles. The primary endpoint was progression-free survival (PFS). The threshold overall response rate (ORR) was estimated to be 15%. The secondary endpoints were overall survival (OS), time to treatment failure, ORR, and toxicities. Results: In total, 21 patients were enrolled from seven hospitals. The median patient age was 63 years. Nineteen patients received the protocol treatment. Median PFS was 3.7 months [90% confidence interval (CI)=2.7-5.6 months], which did not reach the predefined threshold of 4.0 months. ORR was 5.9% (95%CI=0.0-17.1%). Median OS was 11.9 months (95% CI 6.3-19.4 months). Febrile neutropenia was observed in 5.3% of patients. The most frequently observed grade 3 non-hematologic toxicities were nausea (15.8%) and hyponatremia (15.8%). Conclusion: The addition of a fluoropyrimidine to a platinum agent after adjuvant therapy is not suitable for gastric cancer.

本文言語English
ページ(範囲)2009-2015
ページ数7
ジャーナルAnticancer research
42
4
DOI
出版ステータスPublished - 2022 4月

ASJC Scopus subject areas

  • 腫瘍学
  • 癌研究

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