RICHLAND, Wash.--(BUSINESS WIRE)--IsoRay, Inc. announced it has shipped its first GliaSite® radiation therapy system. The Company initiated sales after receiving final approval this week from the State of Washington Department of Health to manufacture its GliaSite® radiation therapy system. The GliaSite® radiation therapy system is a balloon catheter device used in the treatment of brain cancer. Having already received FDA clearance, the Washington State regulatory approval opened the door for sales of IsoRay's GliaSite® brain cancer treatment in the United States.

IsoRay CEO Dwight Babcock says inquiries are on the rise, "News of final regulatory approval has generated a great deal of interest throughout the medical community in the U.S. and internationally. We are hearing from physicians as well as brain cancer patients who are seeking treatment options for Glioblastomas and metastasized brain cancers."

The GliaSite® radiation system offers an innovative alternative that presents an important advance over previous brain cancer treatments. Doctors are able to use the system to directly place a specified dosage of liquid radiation in areas where cancer is most likely to still remain after completion of brain tumor removal. The ability to precisely place a specified dosage of this form of radiation means there is less likelihood for damage to occur to healthy brain tissue compared to other alternative treatments. Importantly, the GliaSite® radiation treatment diminishes the ability of the tumor to recur which means important benefits for patients in longevity as well as quality of life.

The news comes as the Company is moving forward to achieve FDA clearance of liquid Cesium-131 for use with the GliaSite® radiation system. IsoRay is the exclusive manufacturer of Cesium-131 for cancer treatment. In its current form, the pioneering brachytherapy treatment represents one of the most important advancements in internal radiation therapy in 20 years. In other developments, CEO Babcock revealed that discussions are already underway regarding the application of Cesium-131 for treating cancers in other body sites including breast and esophageal cancers.

Babcock says he views the latest developments as just the beginning of important benefits from GliaSite® for the company, too. "We expect GliaSite® to be a tremendous revenue generator. It is my sense that it will fuel other important opportunities for IsoRay's growth and expansion."

IsoRay holds exclusive worldwide distribution rights for the GliaSite® radiation therapy system as well as exclusive worldwide licensing rights to Iotrex®, a liquid iodine radiation for use in brain cancer treatment. Prior to the Company's acquisition of the GliaSite® technology, approximately 500 GliaSite® cases were performed annually at some 40 hospitals worldwide.

The GliaSite® system has established reimbursement for both in-patient and out-patient settings. In addition to its CMS codes, Cesium-131 is FDA-cleared in seed form for the treatment of prostate cancer, lung cancer, ocular melanoma cancer, brain cancer, colorectal cancer, gynecologic cancer, and head and neck cancer and other cancers throughout the body.

About IsoRay

IsoRay, Inc., through its subsidiary, IsoRay Medical, Inc., is the sole producer of Cesium-131 brachytherapy seeds, which are expanding brachytherapy options throughout the body. Learn more about this innovative Richland, Washington company and explore the many benefits and uses of Cesium-131 by visiting

Posted by Sean Fenske, Editor-in-Chief, MDT