Neoadjuvant therapy of high-risk gastric cancer: A phase II trial of preoperative FAMTX and postoperative intraperitoneal fluorouracil-cisplatin plus intravenous fluorouracil

D. Kelsen, M. Karpeh, G. Schwartz, H. Gerdes, C. Lightdale, J. Botet, G. Lauers, D. Klimstra, Y. Huang, L. Saltz, V. Quan, M. Brennan

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116 Scopus citations

Abstract

Purpose and Methods: We identified patients with gastric cancer at high risk for recurrence before therapy using endoscopic ultrasonography (EUS). Neoadjuvant therapy using the fluorouracil, doxorubicin, and metrotrexate (FAMTX) regimen was given for three courses before planned laparotomy with the intention to perform curative resection. Postoperatively, intraperitoneal (IP) cisplatin and fluorouracil (FU) and intravenous (IV) FU were administered to patients undergoing resection. Results: Fifty-six assessable patients were treated. Preoperative FAMTX therapy was tolerable, with the major toxicity being neutropenic fever. One treatment-related death was seen. Eighty-nine percent of patients underwent surgical exploration and 61% had potentially curative resections. There were two postoperative deaths. Comparison of pathologic tumor (pT) stage with EUS-predicted tumor stage showed apparent downstaging in 51% of patients. Postoperative IP chemotherapy was delivered to 75% of eligible patients. Toxicity was acceptable. There was no increase in operative morbidity or mortality compared with concurrent nonstudy patients undergoing a similar operative procedure and not receiving preoperative therapy. With a median follow-up time of 29 months, the median survival duration was 15.3 months. For patients who underwent potentially curative resections, the median survival duration was 31 months. Peritoneal failure was seen in 16% of patients. Conclusion: Chemotherapy with the FAMTX regimen is tolerable in patients with locally advanced gastric cancer, without an increase in operative morbidity or mortality. IP therapy can be successfully delivered to most resected patients. The intraabdominal failure pattern appears to be decreased compared with expected. This approach is an appropriate investigational arm to pursue in future studies.

Original languageEnglish
Pages (from-to)1818-1828
Number of pages11
JournalJournal of Clinical Oncology
Volume14
Issue number6
DOIs
StatePublished - Jun 1996
Externally publishedYes

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