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Optiray 350 is indicated in adults for peripheral and coronary arteriography and left ventriculography. Optiray 350 is also indicated for contrast enhanced computed tomographic imaging of the head and body, intravenous excretory urography, intravenous digital subtraction angiography and venography. Optiray 350 is indicated in children for angiocardiography.
Optiray 320 is indicated in adults for angiography throughout the cardiovascular system. The uses include cerebral, coronary, peripheral, visceral and renal arteriography, venography, aortography, and left ventriculography. Optiray 320 is also indicated for contrast enhanced computed tomographic imaging of the head and body, and intravenous excretory urography.
Optiray 320 is indicated in children for angiocardiography, contrast enhanced computed tomographic imaging of the head and body, and intravenous excretory urography.
Optiray 300 is indicated for cerebral angiography and peripheral arteriography. Optiray 300 is also indicated for contrast enhanced computed tomographic imaging of the head and body, venography, and intravenous excretory urography.
Optiray 240 is indicated for cerebral angiography and venography. Optiray 240 is also indicated for contrast enhanced computed tomographic imaging of the head and body and intravenous excretory urography.
Optiray (ioversol injection) formulations are sterile, nonpyrogenic, aqueous solutions intended for intravascular administration as diagnostic radiopaque media. Ioversol is designated chemically as N,N’-Bis (2,3-dihydroxypropyl)-5-[N-(2-hydroxyethyl) -glycolamido] -2,4,6-triiodoisophthalamide and has the following structural formula:
The molecular weight of ioversol is 807.11 and the organically bound iodine content is 47.2%. Ioversol is nonionic and does not dissociate in solution.
Each milliliter of Optiray 350 (ioversol injection 74%) contains 741 mg of ioversol with 3.6 mg of tromethamine as a buffer and 0.2 mg of edetate calcium disodium as a stabilizer. Optiray 350 provides 35% (350 mg/mL) organically bound iodine.
Each milliliter of Optiray 320 (ioversol injection 68%) contains 678 mg of ioversol with 3.6 mg of tromethamine as a buffer and 0.2 mg of edetate calcium disodium as a stabilizer. Optiray 320 provides 32% (320 mg/mL) organically bound iodine.
Each milliliter of Optiray 300 (ioversol injection 64%) contains 636 mg of ioversol with 3.6 mg of tromethamine as a buffer and 0.2 mg of edetate calcium disodium as a stabilizer. Optiray 300 provides 30% (300 mg/mL) organically bound iodine.
Each milliliter of Optiray 240 (ioversol injection 51%) contains 509 mg of ioversol with 3.6 mg of tromethamine as a buffer and 0.2 mg of edetate calcium disodium as a stabilizer. Optiray 240 provides 24% (240 mg/mL) organically bound iodine.
The pH of the Optiray formulations has been adjusted to 6.0 to 7.4 with hydrochloric acid or sodium hydroxide. All solutions are sterilized by autoclaving and contain no preservatives. Unused portions should be discarded. Optiray solutions are sensitive to light and therefore should be protected from exposure.
Some physical and chemical properties of these formulations are listed below:
| Optiray | Optiray | Optiray | Optiray | ||
| 240 | 300 | 320 | 350 | ||
| Ioversol content (mg/mL) |
509 | 636 | 678 | 741 | |
| Iodine content (mg I/mL) |
240 | 300 | 320 | 350 | |
| Osmolality (mOsm/kg water) |
502 | 651 | 702 | 792 | |
| Viscosity (cps) | |||||
| at 25°C | 4.6 | 8.2 | 9.9 | 14.3 | |
| at 37°C | 3.0 | 5.5 | 5.8 | 9.0 | |
| Specific Gravity at 37°C |
1.281 | 1.352 | 1.371 | 1.405 |
The Optiray formulations are clear, colorless to pale yellow solutions containing no undissolved solids. Crystallization does not occur at room temperature. The products are supplied in containers from which the air has been displaced by nitrogen. Optiray solutions have osmolalities 1.8 to 2.8 times that of plasma (285 mOsm/kg water) as shown in the above table and are hypertonic under conditions of use.