Helix gets second US patent on DOS47
Ontario, Canada-based Helix BioPharma has been issued with its second DOS47 patent by the US Patent & Trademark Office, describing a method and composition for combining targeted DOS47 therapeutics with weakly basic chemotherapeutic drugs in adjunct treatment applications. Donald Segal, chief executive of Helix, said "we believe there is significant market potential to combine DOS47-based therapeutics with certain chemotherapeutic drugs in so-called adjunct regimens because DOS47 therapy is designed to counteract tumor acidity. Tumor acidity is a property that otherwise makes it difficult for weakly basic chemotherapeutics to penetrate cancer cells and function effectively."
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