Comparative Pharmacology
Head-to-head clinical analysis: GASTROGRAFIN versus OMNIPAQUE 70.
Peer-Reviewed Evidence
Head-to-head clinical analysis: GASTROGRAFIN versus OMNIPAQUE 70.
GASTROGRAFIN vs OMNIPAQUE 70
Comparing the clinical profiles, pharmacokinetic behaviors, and safety indices of these two therapeutic agents.
Gastrografin is a water-soluble iodinated contrast agent that increases the radiodensity of the gastrointestinal tract, allowing visualization on X-ray. It acts by absorbing X-rays due to its high iodine content.
Iodinated contrast agent that attenuates X-rays, enhancing vascular and tissue contrast by increasing the density of blood vessels and organs.
Oral or rectal: 50-100 mL of a 1:1 dilution with water (or full strength as needed) for CT or fluoroscopic studies. Typically single dose.
1.5-2.0 mL/kg IV for contrast enhanced CT, max 150 mL; intra-arterial: 5-40 mL per injection depending on procedure.
None Documented
None Documented
Terminal elimination half-life: 1-2 hours (for absorbed diatrizoate); prolongation in renal impairment (up to 20 hours in anuria).
Terminal elimination half-life: 1-2 hours in normal renal function; prolonged in renal impairment (up to 20-30 hours in severe dysfunction).
Renal: 80-90% (glomerular filtration, unchanged); Biliary/Fecal: <5% (minor biliary excretion of absorbed fraction).
Renal: 100% unchanged via glomerular filtration. No biliary or fecal elimination.
Category C
Category C
Radiographic Contrast Agent
Radiographic Contrast Agent