Comparative Pharmacology
Head-to-head clinical analysis: OMNIPAQUE 12 versus OMNIPAQUE 9.
Peer-Reviewed Evidence
Head-to-head clinical analysis: OMNIPAQUE 12 versus OMNIPAQUE 9.
OMNIPAQUE 12 vs OMNIPAQUE 9
Comparing the clinical profiles, pharmacokinetic behaviors, and safety indices of these two therapeutic agents.
Radiopaque agent that attenuates X-rays, providing contrast in imaging. Iodine atoms absorb X-rays, enhancing visualization of blood vessels and tissues.
Iodinated nonionic contrast agent that attenuates X-rays, enhancing vascular and tissue contrast. Its iodine content (350 mg/mL) provides radiopacity, while low osmolality reduces adverse hemodynamic effects.
Adult dose: 12 g iodine (e.g., 200 mL of Omnipaque 12) administered intravenously, intra-arterially, or into body cavities. Typical contrast study dose: 1-2 mL/kg (max 150 mL) for CT; 40-60 mL for angiographic procedures.
Omnipaque 9 (iohexol 9 mg I/mL) is administered intravenously. For CT enhancement, typical adult dose is 50-100 mL (450-900 mg I) by slow IV injection.
None Documented
None Documented
1-2 hours (normal renal function); prolonged to >20 hours in severe renal impairment (CrCl <30 mL/min)
Terminal elimination half-life: 1–2 hours in patients with normal renal function; prolonged to >24 hours in severe renal impairment (CrCl <30 mL/min), necessitating dose adjustment.
Renal: >95% unchanged; biliary/fecal: <5%
Renal: >95% unchanged via glomerular filtration; fecal: <1%.
Category C
Category C
Radiographic Contrast Agent
Radiographic Contrast Agent