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Cancer Therapy

Liposomal IUdR is an effective radiosensitizer with low toxicity

Published in Medical Devices and Surgical Technology Week, October 17th, 2004

A liposome-encapsulated formulation of 5-iodo-2'-deoxyuridine (IUdR) may improve the outcome of radiotherapy for cancer patients.

IUdR is "an effective radiosensitizer but its clinical development has been limited by toxicity," oncologists in England explained. "Prolonged intravenous infusions of IUdR are necessary for optimal tumor uptake but cause dose-limiting myelosuppression."

"The lack of selective tumor uptake can lead to radiosensitization of adjacent normal tissues and enhanced local radiation toxicity," stated K.J. Harrington and colleagues at the Institute of Cancer Research in London. "Liposomal IUdR delivery offers selective targeting of...

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