RICHLAND, Wash.--(BUSINESS WIRE)--IsoRay, Inc. (Amex: ISR) announced today that it has completed a license agreement with Dr. Reddy’s Laboratories (NYSE: RDY) for exclusive worldwide licensing rights to Iotrex®, a liquid iodine radiation, for use in brain cancer treatment. Iotrex® is a critical component in the GliaSite® radiation therapy system, the world’s only FDA-cleared balloon catheter device used in the treatment of many forms of brain cancer. IsoRay has exclusive worldwide distribution rights to the GliaSite® therapy system.