Comparative Pharmacology
Head-to-head clinical analysis: CONRAY versus OMNIPAQUE 240.
Peer-Reviewed Evidence
Head-to-head clinical analysis: CONRAY versus OMNIPAQUE 240.
CONRAY vs OMNIPAQUE 240
Comparing the clinical profiles, pharmacokinetic behaviors, and safety indices of these two therapeutic agents.
Iothalamate meglumine is an ionic, high-osmolality radiopaque contrast agent that attenuates X-rays, allowing visualization of vascular structures and organs during radiographic procedures.
Iodinated radiocontrast agent that attenuates X-rays due to high atomic number of iodine, enhancing vascular and tissue contrast during imaging procedures. It distributes in extracellular fluid and is excreted unchanged by glomerular filtration.
Intravenous: 20-60 mL for CT enhancement; intra-arterial: 5-80 mL per injection; concentration 282 mgI/mL (iothalamate meglumine). Dose based on procedure, body weight, and renal function.
Intravenous administration: 50-200 mL (12-48 g iodine) of OMNIPAQUE 240 (240 mg iodine/mL) as a single dose, adjusted for procedure and patient size.
None Documented
None Documented
Terminal elimination half-life is approximately 2 hours in patients with normal renal function; prolonged in renal impairment.
Terminal half-life approximately 1-2 hours in normal renal function; prolonged to 20-40 hours in severe renal impairment (CrCl <30 mL/min), necessitating dose adjustment
Primarily renal excretion via glomerular filtration; >90% of administered dose eliminated unchanged in urine within 24 hours. Less than 1% biliary or fecal.
Primarily renal (glomerular filtration, no tubular reabsorption); >95% excreted unchanged in urine within 24 hours; <5% biliary/fecal
Category C
Category C
Radiographic Contrast Agent
Radiographic Contrast Agent