Electroporation therapy of head and neck cancer.

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Abstract
The purpose of this paper is to introduce the concept of electroporation therapy and present our results from using this new technique combined with intralesional bleomycin in head and neck cancer patients. Electroporation therapy is a technique wherein high-voltage electric impulses delivered into a neoplasm transiently increase cell membrane permeability to large molecules, including cytotoxic agents. In this phase I/II study, extremely low-dose bleomycin sulfate was electroporated into head and neck malignant neoplasms in 10 patients. Tumor responses included 2 nonresponders, 3 partial responders, and 5 complete responders, with a mean follow-up of 40 weeks. We conclude that this technique offers promising possibilities in the local treatment of head and neck cancer.

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