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A global leader in cancer treatment

Sirtex Medical is a global healthcare business with offices in the US, Australia, Germany and Singapore, working to improve outcomes in people with cancer.

Our current lead product is a targeted radiation therapy for liver tumors called SIR-Spheres® Y-90 resin microspheres. 

What are SIR-Spheres® Y-90 resin microspheres and how are they used?

SIR-Spheres® Y-90 resin microspheres is a prescription device for the treatment of inoperable liver tumors. It is a minimally invasive treatment that delivers high doses of high-energy beta radiation directly to the tumors.

This therapy is called Selective Internal Radiation Therapy (SIRT) and is performed using minimally invasive surgical techniques by an interventional radiologist. 

By using the tumors’ blood supply, the microspheres selectively target liver tumors with a dose of radiation that is up to 40 times higher than conventional radiotherapy, while sparing healthy tissue.

In the United States, SIR-Spheres® Y-90 resin microspheres received Premarket Approval (PMA) from the FDA and are indicated for the treatment of non-resectable metastatic liver tumors from primary colorectal cancer in combination with intrahepatic artery chemotherapy using floxuridine.

SIR-Spheres® Y-90 resin microspheres are approved for the treatment of inoperable liver tumors in Australia, the European Union, Argentina, Brazil, Canada and several countries in Asia, such as India and Singapore.




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