Hyperthermic antiblastic perfusion for the treatment of soft tissue limb sarcoma

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Abstract
Eighty patients with locally advanced, high grade soft tissue sarcoma of the extremities were studied prospectively in order to determine the efficacy of hyperthermic antiblastic perfusion (H.A.P.) as the first step of a combined multimodality therapy. All of the patients have been evaluated in terms of functional results, loco-regional control and survival according to the different treatment schedules adopted. The first clinical trial employed H.A.P., followed by surgery alone. Because the results obtained were unsatisfactory, the protocol was modified to include a continuous intra-arterial (i.a.) infusion of doxorubicin (dx) or radiotherapy before surgery. The best results have been obtained with the radiotherapy-including protocol showing a conservative surgery rate of 100% and a 94% rate of loco-regional control. The disease-free, distant disease-free and overall survival rates were 68%, 75% and 70%, respectively. The importance of the treatment protocol has been confirmed in a multivariate analysis which demonstrated that the treatment protocol adopted is one of the prognostic factors with an independent value (p=0.06).