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PHASE I LIPOPLEX NANOPARTICLE STUDY TO BEGIN

August 26, 2005

The first clinical trial of a biologic nanoparticle designed to give back to cancer patients the tumor-busting gene they have lost is expected to start in September at Georgetown University Medical Center.

The Phase I clinical study will enroll 20 patients with advanced solid cancers (including most common tumor types), and is the culmination of more than a decade of work by a team of researchers at the Lombardi Comprehensive Cancer Center.

Their research has led to development of a "liposome" -- a microscopic globule made of lipids -- that is spiked on the outside with antibody molecules that will seek out, bind to, and then enter cancer cells including metastases wherever they hide in the body. These molecules bind to the receptor for transferrin that is present in high numbers on cancer cells.