Skip to content


Definity, Definity Rt, Luminity, Optison (perflutren) is a small molecule pharmaceutical. Perflutren was first approved as Definity on 1998-05-17. It has been approved in Europe to treat echocardiography. Definity's patents are valid until 2037-05-04 (FDA).
Trade Name Luminity, Optison
Common Name Perflutren
Indication echocardiography
Drug Class Blood substitutes and/or diagnostics (perfluorochemicals)
Get full access now