Isoray

Isoray is an innovative company dedicated to designing and developing the most advanced personalized brachytherapy products, which offer more cost-effective cancer treatments. With approximately 40 employees, Isoray focuses on introducing unique isotopes to treat both common and hard-to-treat cancers. Headquartered in Richland, under the shadow of the Hanford Nuclear Reservation, Isoray leverages regional expertise to develop proprietary processes for manufacturing the highly sought-after medical isotope Cesium-131, used in cancer brachytherapy. Brachytherapy is a technique that places radioactive sources ("seeds") as close as possible to the tumor site to destroy cancer cells. Isoray Medical, Inc. is the sole producer of Cesium-131 brachytherapy sources, expanding treatment options for difficult-to-treat cancers. Isoray is committed to pioneering cost-effective solutions to bring life beyond cancer to patients.