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Anidulafungin
CAS NO.: 166663-25-8
Chemical Formula: C58H73N7O17
Molecular Weight: 1140.2400
DMF&GMP status:
Description:
Anidulafungin or Eraxis (Ecalta in Europe) is a semisynthetic echinocandin used as an antifungal drug. Preliminary evidence indicates it has a similar safety profile to caspofungin. Anidulafungin has proven efficacy against esophageal candidiasis, but its main use will probably be in invasive Candida infection; it may also have application in treating invasive Aspergillus infection. It is a member of the class of antifungal drugs known as the echinocandins; its mechanism of action is by inhibition of (1→3)-β-D-glucan synthase, an enzyme important to the synthesis of the fungal cell wall.

Anidulafungin significantly differs from other antifungals in that it undergoes chemical degradation to inactive forms at body pH and temperature. Because it does not rely on enzymatic degradation or hepatic or renal excretion, the drug is safe to use in patients with any degree of hepatic or renal impairment. Anidulafungin is evidently metabolized by the liver. This specific drug undergoes slow chemical hydrolysis to an open-ring peptide which lacks antifungal activity. The half-life of the drug is 27 hours. Thirty percent is excreted in the feces (10% as unchanged drug). Less than 1% is excreted in the urine.
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