Long-term survival of advanced refractory ovarian carcinoma patients with small-volume disease treated with intraperitoneal chemotherapy.

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Abstract
Ninety ovarian carcinoma patients failing primary intravenous (IV) combination chemotherapy were treated with cisplatin-based combination intraperitoneal therapy. Sixty-five patients had residual disease greater than 2 cm at the start of intraperitoneal therapy. Their median survival was 8 months. Twenty-five patients had disease less than 2 cm; their median survival was greater than 49 months, and the survival curve has an apparent plateau at 69%, with no relapses having occurred after 32 months. The median survival for all 90 patients was 15 months. The median duration of follow-up for all patients was 37 months. These results confirm the critical role of tumor bulk in determining the effectiveness of intraperitoneal therapy, and suggest a role for intraperitoneal salvage treatment in patients with small-volume disease.