Target intelligence / Profile preview

Gadolinium (Gd)

Target
Gd
Molecular classification
Element, Lanthanide, Rare-earth metal
01

Overview

Gadolinium is a rare-earth metal used primarily as a component of intravenous contrast agents for MRI scans. It exhibits strong paramagnetic properties at body temperature. Free gadolinium ions are toxic, necessitating chelation within GBCAs to reduce toxicity. Retention risks exist, especially in patients with impaired renal function.

02

Mechanism of action

Paramagnetic enhancement of MRI signals

03

Biological functions

MRI contrast enhancementNeutron capture
04

Safety considerations

Toxicity of free gadolinium ionsGadolinium retention in patients with renal dysfunctionPotential skin changes and organ complications from GBCA exposure
05

Interacting drugs

Gadolinium-based contrast agents (GBCAs)

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