Petition to the FDA to Ban Pharmacy Compounding of Cesium Chloride

December 6, 2017

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Public Citizen petitioned the Food and Drug Administration (FDA) to ban the use of the cancer treatment ingredient cesium chloride in pharmacy compounding because of serious health risks. FDA staff determined more than 18 months ago that cesium chloride has not been shown to be effective for “the prevention or treatment of any form of cancer,” presented “serious safety concerns,” and is “not safe for human use.”

December 6, 2017, FDA acknowledgment letter.

June 4, 2018, FDA interim response letter.

See Public Citizen’s other work on pharmacy compounding.