Radium-223 (Xofigo) is a drug for men with castrate resistant metastatic prostate cancer (mCRCP) who have multiple bone metastases. Radium-223 selectively targets bone metastases by mimicking calcium, which is attracted to the bone, especially to the fast growing areas of the tumor in the bone. It emits an alpha-emitting dose of radiation, which is mostly contained in the tumor due to the low spread of alpha waves).
The current FDA approval for Radium-223 is for one course of 6 injections. Men have been asking if it is possible to have a re-treatment of Radium-223 once the disease has progressed after having had […]