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Edetate Calcium Disodium

M.D. Anderson Cancer Center · FDA-approved active Small molecule

Edetate calcium disodium is a chelating agent that binds and removes heavy metals (particularly lead) from the body by forming stable complexes that are excreted in urine.

Edetate calcium disodium is a chelating agent that binds and removes heavy metals (particularly lead) from the body by forming stable complexes that are excreted in urine. Used for Lead poisoning (acute and chronic lead toxicity), Heavy metal poisoning.

At a glance

Generic nameEdetate Calcium Disodium
Also known asCalcium Disodium Versenate, Calcium EDTA, C10H12CaN2Na2O8, Calcium disodium edetate, Calcium Disodium Ethylenediaminetetraacetate
SponsorM.D. Anderson Cancer Center
Drug classChelating agent
TargetHeavy metal ions (lead, cadmium, zinc, and other divalent/trivalent cations)
ModalitySmall molecule
Therapeutic areaToxicology
PhaseFDA-approved

Mechanism of action

The drug contains a chelate structure with multiple binding sites that preferentially bind divalent and trivalent metal cations, especially lead, while releasing calcium. It forms soluble complexes with heavy metals in the bloodstream and tissues, facilitating their urinary elimination without significantly depleting essential minerals when used appropriately.

Approved indications

Common side effects

Key clinical trials

Primary sources

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SourceUsed for
ClinicalTrials.govTrial enrolment, design, endpoints, results