Neoadjuvant chemotherapy, surgery, and adjuvant intraperitoneal chemotherapy in patients with locally advanced gastric or gastroesophageal junction carcinoma: A phase II study

Elliot Newman, Milan Potmesil, Theresa Ryan, Stuart Marcus, Spiros Hiotis, Herman Yee, Brendan Norwood, Marc Wendell, Franco Muggia, Howard Hochster

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23 Scopus citations

Abstract

A phase II trial, using neoadjuvant chemotherapy and intraperitoneal (IP) consolidation, was conducted in patients with locally advanced, potentially resectable gastric cancer or cancer of the gastroesophageal junction, both staged as T3N0, T4N0, or any TN1 or TN2 disease. Preoperative chemotherapy consisted of two cycles of irinotecan 75 mg/m2 with cisplatin 25 mg/m2/week for 4 weeks followed by a 2-week break. Unless disease progression was encountered, surgery was performed and followed by two courses of adjuvant therapy with IP floxuridine 3 g × 3 days plus IP cisplatin 60 mg/m2 on day 3. Of 32 evaluable patients, 29 (90.6%) underwent surgery, and 25 (86.2%) had R0 on resection. Evidence of primary-tumor downstaging was documented in at least one half of the patients. Toxicity of induction therapy was primarily grade 3/4 neutropenia (38.2%/8.8%), grade 3 diarrhea (20.6%), and grade 3 nausea/vomiting (14.7%). Except for three catheter complications, toxicities with IP therapy were infrequent. After a median follow-up of 28.0 months in 32 patients, 10 patients (31.3%) had no evidence of disease, 4 (12.5%) were alive with disease, 13 (40.6%) had died from disease, and 5 (15.6%) died from unrelated causes. Among 25 patients who underwent R0 resection, there were no local recurrences. Sites of first recurrences were outside the abdominal cavity in seven patients, in the liver in two, and in the abdominal cavity in four patients. Median overall survival for all 32 patients was 36.5 months from the start of treatment after median follow-up of 28 months, whereas median disease-specific survival had not been reached at the time of this analysis. For patients with R0 resection, median overall survival was 48 months after median follow-up of 35 months. The data suggest that an approach consisting of systemic induction therapy, curative surgery with high R0 resection rates, and IP adjuvant therapy has acceptable toxicity and encouraging survival outcomes.

Original languageEnglish
Pages (from-to)97-100
Number of pages4
JournalSeminars in Oncology
Volume32
Issue numberSUPPL. 9
DOIs
StatePublished - Dec 2005
Externally publishedYes

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