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  • Title: Intraperitoneal catheter outcomes in a phase III trial of intravenous versus intraperitoneal chemotherapy in optimal stage III ovarian and primary peritoneal cancer: a Gynecologic Oncology Group Study.
    Author: Walker JL, Armstrong DK, Huang HQ, Fowler J, Webster K, Burger RA, Clarke-Pearson D.
    Journal: Gynecol Oncol; 2006 Jan; 100(1):27-32. PubMed ID: 16368440.
    Abstract:
    OBJECTIVES: To evaluate reasons for discontinuing intraperitoneal (IP) chemotherapy, and to compare characteristics of patients who did versus did not successfully complete six cycles of IP chemotherapy. METHODS: In a phase III trial, women with optimal stage III ovarian or peritoneal carcinoma were randomly allocated to receive IP therapy (paclitaxel 135 mg/m(2) intravenously (IV) over 24 h, cisplatin 100 mg/m(2) IP day 2, paclitaxel 60 mg/m(2) IP day 8) every 21 days for six cycles. Patients unable to receive IP therapy were treated with the alternate (IV) regimen. Variables compared included surgical procedures prior to enrollment, timing of IP catheter insertion, and primary and contributing reasons for discontinuing IP therapy. RESULTS: Among 205 eligible patients randomly allocated to the IP arm, 119 (58%) did not complete six cycles of IP therapy. Forty (34%) patients discontinued IP therapy primarily due to catheter complications and 34 (29%) discontinued for unrelated reasons. Hysterectomy, appendectomy, small bowel resection, and ileocecal resection were not associated with failure to complete six cycles. IP therapy was not initiated in 16% of patients who did versus 5% of those who did not have a left colon or rectosigmoid colon resection (P = 0.015). There was no association between timing of catheter insertion and failure to complete IP therapy. CONCLUSIONS: In this multi-institutional setting, it was difficult to deliver six cycles of IP therapy without complications. There appears to be an association between rectosigmoid colon resection and the inability to initiate IP therapy. Catheter choice, timing of insertion, and how surgical treatment of ovarian cancer influences the successful completion of intraperitoneal chemotherapy require further study.
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