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Safety and Risk-Benefit Profile of Microbubble Contrast Agents in Echocardiography

… Lantheus Medical Imaging, North Billerica, MA) and Optison(tm) (perflutren protein-type A microspheres, GE … 2008. Keywords Ultrasound contrast agents , Definity(R) , Optison(tm) , US Food and Drug Administration , black box … available ultrasound contrast agents in the US: Optison(tm) (perflutren protein-type A microspheres, GE …

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The History of Product Label Changes for DEFINITY® in the US

… ultrasound contrast agents (UCAs)-including DEFINITY and Optison(tm) (Perflutren Protein Type A Microspheres … fluorocarbon-based UCA approved for use in the US. Optison had been approved in 1997. These 'microbubble' UCAs consist of an outer shell (albumin for Optison and phospholipid for DEFINITY) that surrounds a …

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Article