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Nuclear @ McMaster

Medical Isotopes

McMaster is the world’s leading supplier of two medical isotopes: iodine-125 and holmium-166.

Our staff produce and ship these isotopes around the world, providing treatment for more than 70,000 cancer patients every year. 

With a particular focus on the development of new medical isotope-based drugs, we aim to provide Canadians with the next generation of life-saving medical isotope products.

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Iodine-125 is commonly used in brachytherapy to treat prostate cancer. 


Holmium-166 is used in radio-embolization microspheres to treat liver cancer. 


Lutetium-177 is used to treat a variety of cancers. 

Learn More about Radioisotopes


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