NorthStar Medical Radioisotopes

NorthStar Medical Radioisotopes is the leading U.S. producer of medical radioisotopes such as molybdenum‑99 and copper‑67, supplying both diagnostic and therapeutic markets. The company’s proprietary non–uranium-based methods have made it the only domestic supplier of key isotopes like Mo‑99/Tc‑99m during global shortages. It has expanded into contract development/manufacturing services for radiopharma companies, enabling rapid advancement of novel radiotherapeutics—especially those using copper‐67 or actinium‐225. Its products support pivotal clinical trials in oncology and other areas through supply agreements with biotechs worldwide.