February 05, 2013 at 09:07 AM EST
Metastatic Brain Cancer Video Released by Cornell Weill
Video To Be Used As A Training Tool For A New Multi-Institutional Study To Be Launched

RICHLAND, Wash., Feb. 5, 2013 /PRNewswire/ -- IsoRay Inc. (AMEX: ISR), a medical technology company and innovator in seed brachytherapy and medical radioisotope applications, today announced the presentation video by Cornell Weill demonstrating their techniques in the successful treatment of metastatic brain cancers using IsoRay's patented Cesium-131 (Cs-131) sutured seeds.

Dr. Theodore H. Schwartz and Dr. Gabriella Wernicke, both of Weill Cornell Medical Center, presented their findings for the membership of The Society of Neuro-Oncology (SNO), titled "The study of Neurosurgical Resection and Intra-operative Cesium-131 Radio-isotope Brachytherapy in Patients with newly Diagnosed Brain Metastases," available at  http://www.isoray.com/assets/Updated_SNO_Poster.pdf. In the study, which showed Cesium-131's relative effectiveness in treating these tumors compared to other common treatments, the seeded sutures were placed within the resected tumor bed at the time of surgery to provide immediate radiation therapy to it and to a margin depth of 5 mm which is dosed to prevent tumor reoccurrence. The video which can be seen at http://www.youtube.com/watch?v=eor8gaXQKSE&feature=youtu.be demonstrates the single procedure method of delivering radiation just to the cancer tumor bed immediately following resection while providing the patient the opportunity for improved quality of life.

A metastatic, or secondary, brain tumor is one that begins as cancer in another part of the body. Some of the cancer cells may be carried to the brain by the blood or lymphatic fluid, or may spread from adjacent tissue. Metastatic brain tumors are often referred to as lesions or brain metastases. Metastatic brain tumors are the most common brain tumors.

IsoRay CEO Dwight Babcock says this multi institutional study will greatly advance the awareness to take on difficult cancers throughout the body utilizing the company's Cesium-131 brachytherapy seeds and liquid isotopes.  "We are advancing our domestic and international goal of creating widespread awareness and adoption of Cesium-131 in hopes that these experiences will ultimately make it a standard of care.  The exceptional results that have been realized by Cornell in metastatic brain cancer have already garnered the interest of 5 major medical centers which have expressed interest I participating in the multi institutional study.  We believe Cesium-131's ability to fight cancer and improve the quality of life for the men, women, and children who are battling these devastating cancers distinguishes it from other treatment options."

IsoRay is the exclusive manufacturer of Cesium-131.  The pioneering brachytherapy therapy is one of the most significant advances in internal radiation therapy in 20 years.  Cesium-131 allows for the precise treatment of many different cancers because of its unrivaled blend of high energy and its 9.7 day half-life (its unequaled speed in giving off therapeutic radiation).

In addition to its CMS codes, Cesium-131 is FDA-cleared and holds a CE mark for international sales in seed form for the treatment of brain cancer, prostate cancer, lung cancer, ocular melanoma cancer, colorectal cancer, gynecologic cancer, head and neck cancer and other cancers throughout the body. The treatment can be deployed using several delivery methods including single seed applicators, implantable strands and seed sutured mesh, and several new implantable devices.

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 www.isoray.com. Join us on Facebook/Isoray.  Follow us on Twitter @Isoray.

Contact:
Worldwide Financial
(954) 360-9998
info@wwfinancial.com

Safe Harbor Statement
Statements in this news release about IsoRay's future expectations, including: the advantages of our Cesium-131 seed, the advantages of Cesium-131 in mesh form, whether adoption of Cesium-131 will continue to increase, whether IsoRay will be able to continue to expand its base beyond prostate cancer, whether treatment of brain cancer using Cesium-131 will be successful in future cases, and all other statements in this release, other than historical facts, are "forward-looking statements" within the meaning of the Private Securities Litigation Reform Act of 1995 ("PSLRA"). This statement is included for the express purpose of availing IsoRay, Inc. of the protections of the safe harbor provisions of the PSLRA.  It is important to note that actual results and ultimate corporate actions could differ materially from those in such forward-looking statements based on such factors as physician acceptance, training and use of our products, our ability to successfully manufacture, market and sell our products, our ability to manufacture our products in sufficient quantities to meet demand within required delivery time periods while meeting our quality control standards, our ability to enforce our intellectual property rights, whether ongoing patient results with Cesium-131 are favorable and in line with the conclusions of  clinical studies and initial patient results, patient results achieved when Cesium-131 is used for the treatment of cancers and malignant diseases beyond prostate, whether we, our distributors and our customers will successfully obtain and maintain all required regulatory approvals and licenses to market, sell and use Cesium-131 in its various forms, successful completion of future research and development activities, and other risks detailed from time to time in IsoRay's reports filed with the SEC.

SOURCE IsoRay Inc.

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