Medical Isotopes / Bill Gates-Backed Company Producing Actinium-225 From US Legacy Nuclear Material

TerraPower Isotope’s Ac-255 now being used in human clinical trials ‘across the globe’

Bill Gates-Backed Company Producing Actinium-225 From US Legacy Nuclear Material
TerraPower Isotopes is a subsidiary of the Bill Gates-founded nuclear reactor company TerraPower.

US company TerraPower Isotopes announced it is producing actinium-225 (Ac-225) at commercial scale by harvesting the isotope from thorium-229 decay, which is derived from legacy US nuclear material.

The company, a subsidiary of the Bill Gates-founded nuclear reactor company TerraPower, said it us now providing sustained access to highly pure Ac-225 to the global pharmaceutical community through weekly production runs. 

As a result, TerraPower Isotopes’ Ac-255, after further manufacturing, is now used in multiple drug developer’s radiopharmaceuticals in human clinical trials across the globe.

“This scale up of production capacity of TerraPower Isotopes’ actinium-225 opens a new chapter in the development of cancer treatment options, and I’m proud to be part of the journey,” said Scott Claunch, president of TerraPower Isotopes.

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