PMID: 15375519Sep 18, 2004Paper

Hypoxic antiblastic stop-flow limb perfusion: clinical outcome and pharmacokinetic findings of a novel treatment for in transit melanoma metastases

Oncology Reports
Pierluigi PilatiC Rossi

Abstract

Hypoxic antiblastic stop-flow perfusion (SFP) has recently been proposed as a therapeutic option for patients with locally advanced tumors. We report on the clinical and pharmacological results of our prospective study of limb SFP for the treatment of in transit melanoma metastases. Twenty-three patients with limb-sited melanoma metastases were treated with melphalan (10 mg/l) based pelvic (n=11, group A) or femoral (n=12, group B) SFP under hypoxic conditions. Systemic and locoregional toxicity, tumor response rate, and local progression-free survival were analyzed. Melphalan concentrations were measured in the perfusate and systemic circulation during SFP, and after 30-min hemofiltration. Perfusate-to-plasma leakage was assessed using a scintigraphic method. No postoperative deaths occurred. Mild locoregional toxicity was observed in 5 patients (18%), and systemic toxicity was mild to severe in 8 patients (30%), the incidence being higher in group A. Tumor response rate (complete + partial response) and time to local disease progression were significantly different in group A and B (9% vs 58% and 7 vs 13 months, respectively). The pharmacokinetic study showed that pelvic SFP was associated with a higher leakage rate and a low...Continue Reading

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