Cytoreduction and Hyperthermic Intraperitoneal Chemoperfusion in Women with Heavily Pretreated Recurrent Ovarian Cancer
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Limited data are available on the use of cytoreductive surgery with hyperthermic intraperitoneal chemoperfusion (HIPEC) in patients with recurrent stage III ovarian cancer.
Patients with recurrent, heavily pretreated ovarian cancer were enrolled onto a phase II multimodal protocol consisting of extensive cytoreduction followed by HIPEC.
Forty-two women were treated from October 2002 until January 2009. Chemoperfusion was performed with cisplatin in 59% and oxaliplatin in 41% of patients. A macroscopically complete resection was achieved in 50% of patients. No mortality occurred, and the major morbidity rate was 21%. After a mean follow-up of 21 months, median overall survival (OS) was 37 months (95% confidence interval 12.2–61.8) and median progression-free survival was 13 months (95% confidence interval 6.9–19.1). In univariate analysis, OS was influenced by completeness of cytoreduction, type of chemoperfusion drug, nodal status, and tumor grade. In a Cox regression model, only completeness of cytoreduction (hazard ratio 0.06–0.8, P = .022) and tumor grade (hazard ratio 1.23–12.6, P = .021) were independent predictors of OS.
In selected patients with heavily pretreated recurrent ovarian cancer, cytoreduction combined with HIPEC may provide a meaningful OS with acceptable morbidity. Optimal results are achieved in patients with a macroscopically complete resection and biologically favorable disease.