Ovarian cancer remains the fourth leading cause of cancer death in women in France. It is all too often diagnosed at an advanced stage with peritoneal carcinomatosis (PC), but remains confined to the peritoneal cavity throughout much of its natural history. Because of cellular selection pressure over time, most tumor recurrences eventually develop resistance to systemic platinum. Options for salvage therapy include alternative systemic chemotherapies and further cytoreductive surgery (CRS), but the prognosis remains poor. Over the past two decades, a new therapeutic approach to PC has been developed that combines CRS with hyperthermic intraperitoneal chemotherapy (HIPEC). This treatment strategy has already been shown to be effective in non-gynecologic carcinomatosis in numerous reports. There is a strong rationale for the use of HIPEC for PC of ovarian origin. On the one hand, three prospective randomized trials have demonstrated the superiority of intraperitoneal chemotherapy (without hyperthermia) in selected patients compared to systemic chemotherapy. Moreover, retrospective studies and case-control studies of HIPEC have reported encouraging survival data, especially when used to treat chemoresistant recurrence. However, HIPEC has specific morbidity and mortality; this calls for very careful selection of eligible patients by a multidisciplinary team in specialized centers. HIPEC needs to be evaluated by means of randomized trials for ovarian cancer at different developmental stages: as first line therapy, as consolidation, and for chemoresistant recurrence. Several European phase III studies are currently ongoing.
Keywords: Hyperthermia; Hyperthermic intraperitoneal chemotherapy (HIPEC); Ovarian cancer; Peritoneal carcinomatosis.
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