Comparative Pharmacology
Head-to-head clinical analysis: IODIXANOL versus LIPIODOL.
Peer-Reviewed Evidence
Head-to-head clinical analysis: IODIXANOL versus LIPIODOL.
IODIXANOL vs LIPIODOL
Comparing the clinical profiles, pharmacokinetic behaviors, and safety indices of these two therapeutic agents.
Iodixanol is a nonionic, iso-osmolar iodinated contrast agent that attenuates X-rays, allowing visualization of vascular structures and organ parenchyma. It does not bind to or interact with specific receptors.
Lipiodol is an iodinated ethyl ester of the fatty acids of poppyseed oil. It acts as a radiopaque contrast agent for imaging due to its iodine content, and in chemoembolization, it selectively accumulates in hepatocellular carcinoma (HCC) via tumor neovasculature and is retained due to lack of lymphatic drainage, allowing targeted delivery of chemotherapeutic agents.
Intravenous injection of 270-350 mg iodine/kg (0.5-1.0 mL/kg of 270 mg I/mL solution) for CT; 300-400 mg iodine/kg for angiography. Administer as bolus or infusion per procedure.
Lymphangiography: 5-20 mL injected slowly into lymphatic vessels. Uterine/Fallopian tube imaging: 3-20 mL injected through cervix. Hepatic chemoembolization: 5-15 mL mixed with chemotherapeutic agents injected into hepatic artery.
None Documented
None Documented
Clinical Note
moderateIodixanol + Metformin
"The risk or severity of adverse effects can be increased when Iodixanol is combined with Metformin."
Terminal elimination half-life in patients with normal renal function is approximately 2 hours. In patients with moderate to severe renal impairment (creatinine clearance <30 mL/min), half-life may be prolonged up to 10-12 hours, requiring dose adjustment and monitoring.
Terminal elimination half-life is approximately 50-60 days, reflecting slow clearance from lipid-rich tissues.
Primarily renal: approximately 97% of the administered dose is excreted unchanged in the urine within 24 hours via glomerular filtration. Less than 3% is excreted in feces via biliary elimination.
Primarily eliminated via biliary/fecal route as unchanged drug; less than 1% excreted renally.
Category C
Category C
Radiocontrast Agent
Radiocontrast Agent