Abstract

The standard platinum-based treatment of previously untreated advanced ovarian cancer continues to evolve because despite high response rates to first-line treatment, a majority of patients relapse. Several randomized multicenter phase III clinical trials demonstrated that intraperitoneal (IP) chemotherapy is superior to standard intravenous (IV) chemotherapy following primary optimal debulking surgery. However, the challenge of further improving efficacy and reducing toxicity remains. The underlying rationale for use of IP therapy is based on the pharmacologic principle that peritoneal tumors can be exposed to higher doses of drug for longer periods of time than can be accomplished with systemic delivery. IP drug delivery to tumors is hampered by poor drug penetration which is multifactorial. Research addressing mechanisms by which improved drug penetration or direct delivery to tumors can be achieved are key areas of interest. This review will discuss the potential role of consolidation with platinum based IP chemotherapy during interval debulking surgery following neoadjuvant chemotherapy for patients with advanced disease.

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