Comparative Pharmacology
Head-to-head clinical analysis: IOPAMIDOL 250 versus MD 50.
Peer-Reviewed Evidence
Head-to-head clinical analysis: IOPAMIDOL 250 versus MD 50.
IOPAMIDOL-250 vs MD-50
Comparing the clinical profiles, pharmacokinetic behaviors, and safety indices of these two therapeutic agents.
Iopamidol is a non-ionic, water-soluble, iodinated radiographic contrast agent that attenuates X-rays, thereby enhancing vascular and tissue contrast during imaging procedures. It acts by increasing the radiodensity of blood vessels and organs.
Iodinated radiographic contrast agent that attenuates X-rays due to its high iodine content, allowing visualization of vascular structures and organs during imaging. It distributes into the extracellular fluid compartment and is excreted unchanged by glomerular filtration.
1-2 mL/kg intravenously for contrast imaging, not to exceed 200 mL total; dose and rate vary by procedure and patient weight.
300 mg intravenously every 12 hours.
None Documented
None Documented
Terminal half-life 1.5-2 hours in normal renal function; may extend to 5-10 hours in severe renal impairment (CrCl <30 mL/min)
Terminal elimination half-life is 2.5-3.0 hours (normal renal function). In patients with renal impairment (CrCl <30 mL/min), half-life may be prolonged up to 24-36 hours, necessitating dose adjustment. For contrast media, the half-life determines the window for imaging procedures.
Renal: >90% unchanged via glomerular filtration; biliary/fecal: <2%
Primarily renal excretion of unchanged drug (90-95%) via glomerular filtration; minimal biliary/fecal elimination (<5%).
Category C
Category C
Radiocontrast Agent
Radiocontrast Agent