optison perflutren protein-type a microspheres - Medication Listings
Browse 1 medications by optison perflutren protein-type a microspheres. Open a product record to review strengths, dosage forms, label-backed details, and related navigation.
OPTISON (perflutren protein-type A microspheres) injectable suspension is an ultrasound contrast agent for intravenous use. Perflutren is chemically characterized as 1,1,1,2,2,3,3,3-perflutren with a molecular weight of 188, an empirical formula of C 3 F 8 , and the following structural formula: Each mL contains 5-8×10 8 protein-type A microspheres, 10 mg albumin human, 0.22 ± 0.11 mg perflutren, and the following inactive ingredients: 0.2 mg N-acetyltryptophan and 0.12 mg caprylic acid in 0.9% aqueous sodium chloride. The headspace of the vial is filled with perflutren gas. The pH is adjusted to 6.4 to 7.4. The protein in the microsphere shell makes up approximately 5% to 7% (w/w) of the total protein in the suspension. The microsphere particle size parameters are listed in Table 3. OPTISON is supplied as a clear liquid lower layer, a white liquid upper layer, and a headspace filled with perflutren gas, and after resuspension, OPTISION is a sterile, homogeneous, opaque, and milky-white suspension. Table 3. Microsphere Size Distribution Parameter Mean diameter (range) 3 to 4.5 µm Percent less than 10 µm 95% Maximum diameter 32 µm Chemical Structure
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