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Home / Drugs / Starting with C / Caspofungin
 
Caspofungin
 

Caspofungin (brand name Cancidas worldwide) is an antifungal drug, the first of a new class termed the echinocandins from Merck & Co., Inc. It shows activity against infections with Aspergillus and Candida, and works by inhibiting β(1,3)-D-Glucan of the fungal cell wall. Caspofungin is administered intravenously.
BrandsCancidas
CategoriesAntifungals
Antifungal Agents
ManufacturersMerck and co inc
PackagersCardinal Health
Merck & Co.
Oso Biopharmaceuticals Manufacturing LLC
SynonymsCapsofungin

indication

For the treatment of esophageal candidiasis and invasive aspergillosis in patients who are refractory to or intolerant of other therapies.

pharmacology

Caspofungin is an antifungal drug, and belongs to a new class termed the echinocandins. It is used to treat Aspergillus and Candida infection, and works by inhibiting cell wall synthesis. Antifungals in the echinocandin class inhibit the synthesis of glucan in the cell wall, probably via the enzyme 1,3-beta glucan synthase. There is a potential for resistance development to occur, however in vitro resistance development to Caspofungin by Aspergillus species has not been studied.

mechanism of action

Caspofungin inhibits the synthesis of beta-(1,3)-D-glucan, an essential component of the cell wall of Aspergillus species and Candida species. beta-(1,3)-D-glucan is not present in mammalian cells. The primary target is beta-(1,3)-glucan synthase.

toxicity

Side effects include rash, swelling, and nausea (rare)

biotransformation

Metabolized slowly by hydrolysis and N-acetylation

absorption

92% tissue distribution within 36-48 hours after intravenous infusion

half life

9-11 hours

route of elimination

After single intravenous administration of [3H] caspofungin acetate, excretion of caspofungin and its metabolites in humans was 35% of dose in feces and 41% of dose in urine.

drug interactions

Cyclosporine: Cyclosporine increases the effect and toxicity of caspofungin

Rifampin: Decreased levels/effects of caspofungin

Tacrolimus: Caspofungin may decrease the blood concentration of Tacrolimus. Monitor for changes in the therapeutic/toxic effects of Tacrolimus if Caspofungin therapy is initiated, discontinued or altered.