Comparative Pharmacology
Head-to-head clinical analysis: CONRAY 325 versus GASTROGRAFIN.
Peer-Reviewed Evidence
Head-to-head clinical analysis: CONRAY 325 versus GASTROGRAFIN.
CONRAY 325 vs GASTROGRAFIN
Comparing the clinical profiles, pharmacokinetic behaviors, and safety indices of these two therapeutic agents.
Iodinated contrast agent that attenuates X-rays by blocking photons, allowing visualization of blood vessels and tissues.
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.
Intravenous: 1.0-2.0 mL/kg (325 mg I/mL) for contrast imaging; maximum total dose 250 mL.
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.
None Documented
None Documented
Terminal elimination half-life is approximately 1-2 hours in patients with normal renal function. May be prolonged in renal impairment.
Terminal elimination half-life: 1-2 hours (for absorbed diatrizoate); prolongation in renal impairment (up to 20 hours in anuria).
Primarily renal (glomerular filtration); >95% excreted unchanged in urine within 24 hours. Biliary/fecal excretion is negligible (<5%).
Renal: 80-90% (glomerular filtration, unchanged); Biliary/Fecal: <5% (minor biliary excretion of absorbed fraction).
Category C
Category C
Radiographic Contrast Agent
Radiographic Contrast Agent