Retrospective analysis of stage IV advanced gastric cancer treated with S-1 or other chemotherapy.

Int J Clin Oncol

Department of Medical Oncology, Misawa City Hospital, 4-1-10 Chuo-cho, Misawa, Aomori, 033-0001, Japan.

Published: October 2006

AI Article Synopsis

  • The study examined how different factors impact the survival of patients with stage IV gastric cancer receiving chemotherapy.
  • Patients treated with S-1 therapy had a significantly longer median survival time (429 days) compared to those who did not receive S-1 therapy (236 days).
  • Better survival rates were associated with having good performance status, having only one metastatic site, and receiving second-line chemotherapy, though few patients with multiple metastatic sites could access second-line options.
  • Overall, while S-1 therapy improved outcomes, patients with multiple metastases still faced poor prognosis, highlighting the need for more effective treatments for this group.

Article Abstract

Background: We retrospectively analyzed the influence of various clinicopathologic factors on the survival of patients treated with chemotherapy.

Methods: A retrospective analysis was made of 110 patients with stage IV gastric cancer who were treated from January 1996 to June 2004.

Results: Median survival time was 429 days for patients treated with S-1 therapy and 236 days for patients without S-1 therapy. A better survival was demonstrated in patients who had good performance status, one metastatic site, or had been given a second-line chemotherapy (P < 0.01). But very few patients (17%; 5/29) with multiple metastatic sites were able to receive the second-line chemotherapy.

Conclusion: Patients treated with S-1 therapy had a better prognosis than patients without S-1. One metastatic site and being given second-line chemotherapy were other factors for better prognosis. For patients with only one metastatic site, a good prognosis can be obtained by second-line chemotherapy for those refractory to S-1. The prognosis of patients who had more than two metastatic sites remained poor; more effective chemotherapy might improve the survival of such patients if they retain good performance status.

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http://dx.doi.org/10.1007/s10147-006-0588-zDOI Listing

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