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Open Access Research article

Retrospective analyses of cisplatin-based doublet combination chemotherapy in patients with advanced gastric cancer

Do Hyoung Lim2, Se Hoon Park1*, Keon Woo Park2, Jung Hun Kang3, Sung Yong Oh4, In Gyu Hwang5, Jung Mi Kwon6, Sang-Cheol Lee7, Hui-Young Lee8, Hyeong Su Kim9, Ho Yeong Lim1 and Won Ki Kang1

Author Affiliations

1 Division of Hematology-Oncology, Department of Medicine, Sungkyunkwan University School of Medicine, Samsung Medical Center, Seoul, Korea

2 Division of Hematology-Oncology, Department of Medicine, Dankook University Hospital, Cheonan, South Korea

3 Department of Internal Medicine, Post-Graduate Medical School, Gyeongsang National University, Korea

4 Department of internal medicine, Dong-A University College of Medicine, Busan, Korea

5 Department of Internal Medicine, Chung-Ang University College of Medicine, Seoul, Republic of Korea

6 Department of Internal Medicine, Jeju National University School of Medicine, Jeju, Korea

7 Division of Oncology-Hematology Department of Internal Medicine Soonchunhyang University Hospital, Seoul, Korea

8 Department of Internal Medicine, Kangwon National University Hospital, Kangwon National University School of Medicine, Chuncheon, Korea

9 Division of Hematology and Oncology, Department of Internal Medicine, Hallym University Medical Center, Hallym University College of Medicine, Seoul, Korea

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BMC Cancer 2010, 10:583  doi:10.1186/1471-2407-10-583

Published: 26 October 2010

Abstract

Backgrounds

Cisplatin-based chemotherapy, in combination with fluoropyrimidines or taxanes, have demonstrated efficacy against advanced gastric cancer (AGC). This retrospective study was performed with the data obtained from our cancer chemotherapy registry and eight another cancer centers.

Methods

In 2008, a total of 283 AGC patients were treated with cisplatin-based doublet chemotherapy in the first-line setting: capecitabine plus cisplatin (XP, n = 77), S-1 plus cisplatin (SP, n = 97), taxanes (docetaxel, paclitaxel) plus cisplatin (TP, n = 72), and 5-fluorouracil plus platinum (FP, n = 37). The primary endpoint of this study was overall survival (OS) and the secondary endpoints were safety, response rate and progression-free survival (PFS).

Results

The median age was 54 years with a range of 28-78 years and median delivered number of chemotherapy cycles were XP: 4, SP: 5, TP: 5 and FP: 5, respectively. Objective tumor responses (38%; 95% CI, 32-43%) were 40% for XP, 42% for SP, 36% for DP, and 24% for FP. The estimated median PFS was 4.5 months (95% CI, 3.6-5.4 months) and the median OS was 12.3 months (95% CI, 10.8-13.7 months). No statistically significant difference was found between each regimen used as first-line chemotherapy. At multivariate analysis, independent prognostic parameters for OS were prior gastrectomy, peritoneal dissemination, performance status and hemoglobin level

Conclusion

All of the cisplatin-based doublet chemotherapy regimens appear to be active as first-line chemotherapy for AGC. With better patient selection according to clinical parameters and molecular markers, clinical outcomes of AGC patients in first-line setting can be improved.