February 8, 2018 — The U.S. Food and Drug Administration (FDA) and the Nuclear Regulatory Commission (NRC) recently took steps to ensure a stable and secure supply of a critical radioactive imaging tracer used to detect potentially life-threatening diseases. The FDA approved the NorthStar Medical Radioisotopes' RadioGenix System, a unique system for producing the medical radioisotope molybdenum-99 (Mo-99), the precurser to the making technetium-99m (Tc-99m), the most widely used radioisotope in medical imaging.