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NorthStar Medical Radioisotopes
NorthStar is a non-reactor producer of Mo-99 in the US and an emerging supplier of non-carrier-added Lu-177 and Ac-225 made with electron accelerators.
Overview
NorthStar Medical Radioisotopes, based in Beloit, Wisconsin, is a non-reactor producer of molybdenum-99 in the United States and an emerging supplier of non-carrier-added lutetium-177 and actinium-225 made with electron accelerators. Its RadioGenix Mo-99 system was approved in 2018, its accelerator-based actinium-225 production facility came online in 2024 to 2025, and it holds lutetium-177 supply agreements. OnCo links it to the therapeutic isotope supply chain for Mo-99, Lu-177 and Ac-225. Whether accelerator production can supply actinium-225 at the volumes the alpha therapies in phase 3 will need is the open question. The isotope supply chain page carries the wider picture.
Headquarters
Beloit, WI, US
Manufacturing
Capacity map- NorthStar Medical Radioisotopes Beloit Beloit, Wisconsin, USRadioisotope production, Radiopharmaceutical manufacturing
Website
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