Prussian Blue (ferric hexacyanoferrate (II)) for Treatment of Internal Contamination with Thallium or Radioactive Cesium

FDA approves a New Drug Application for Radiogardase, also known as Prussian blue, to treat people exposed to radiation contamination, due to harmful levels of cesium-137 or thallium.

• FDA approves the first New Drug Application for treatment of radiation contamination. FDA News  (Posted 10/2/2003)
• Label for Radiogardase (8/2008) 
• Questions and Answers on Prussian Blue (Updated 10/2/2003)
• FDA encourages manufacturers to submit marketing applications for Prussian Blue. FDA Press Release (1/31/2003)
• Guidance for Industry on Prussian Blue for Treatment of Internal Contamination with Thallium or Radioactive Cesium; Availability (Optional version: PDF - 49KB) 
• Guidance for Industry: Prussian Blue Drug Products--Submitting a New Drugs Applications (PDF - 178KB)