Methods regarding local regional treatment in situ for an individual, such as of a tumor, are provided herein. A hydrogel composition is generated in situ in the tumor by administering a polymer, such as a polysaccharide or a polyamino acid, with a therapeutic agent, such as a radionuclide or a drug,...http://www.google.ca/patents/US7008633?utm_source=gb-gplus-sharePatent US7008633 - Local regional chemotherapy and radiotherapy using in situ hydrogel
