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Caspofungin for Antifungal Infections

Short Description:

Name: Caspofungin

CAS number: 162808-62-0

Molecular formula: C52H88N10O15

Molecular weight: 1093.31

EINECS Number: 1806241-263-5

Boiling point: 1408.1±65.0 °C (Predicted)

Density: 1.36±0.1 g/cm3(Predicted)

Acidity coefficient: (pKa) 9.86±0.26 (Predicted)

Product Detail

Product Tags

Product Detail

Name  Caspofungin
CAS number  162808-62-0
Molecular formula  C52H88N10O15
Molecular weight  1093.31
EINECS Number  1806241-263-5
Boiling point  1408.1±65.0 °C (Predicted)
Density  1.36±0.1 g/cm3(Predicted)
Acidity coefficient  (pKa) 9.86±0.26 (Predicted)



Chemical Properties

Caspofungin was the first echinocandin approved for the treatment of invasive fungal infections. In vitro and in vivo experiments confirmed that caspofungin has good antibacterial activity against important opportunistic pathogens-Candida and Aspergillus. Caspofungin can rupture the cell wall by inhibiting the synthesis of 1,3-β-glucan. Clinically, caspofungin has a good effect on the treatment of various candidiasis and aspergillosis.


(1,3)-D-glucan synthase is a key component of fungal cell wall synthesis, and caspofungin can exert an antifungal effect by non-competitively inhibiting this enzyme. After intravenous administration, the plasma drug concentration drops rapidly due to tissue distribution, followed by a gradual rerelease of the drug from the tissue. Metabolism of caspofungin increased with increasing dose and was dose-related in the time to steady state with multiple doses. Therefore, in order to achieve effective therapeutic levels and avoid drug accumulation, a first loading dose should be administered followed by a maintenance dose. When using cytochrome p4503A4 inducers at the same time, such as rifampicin, carbamazepine, dexamethasone, phenytoin, etc., it is recommended to increase the maintenance dose of caspofungin.


FDA-approved indications for caspofungin include: 1. Fever with neutropenia: defined as: fever >38°C with absolute neutrophil count (ANC) ≤500/ml, or with ANC ≤1000/ml and it is predicted that it can be reduced to below 500/ml. According to the recommendation of the Infectious Diseases Society of America (IDSA), although patients with persistent fever and neutropenia have been treated with broad-spectrum antibiotics, high-risk patients are still recommended to use empiric antifungal therapy, including caspofungin and other antifungal drugs. . 2. Invasive candidiasis: IDSA recommends echinocandins (such as caspofungin) as the drug of choice for candidemia. It can also be used to treat intra-abdominal abscesses, peritonitis and chest infections caused by Candida infection. 3. Esophageal candidiasis: Caspofungin can be used to treat esophageal candidiasis in patients with refractory or intolerance to other therapies. Several studies have found that the therapeutic effect of caspofungin is comparable to that of fluconazole. 4. Invasive aspergillosis: Caspofungin has been approved for the treatment of invasive aspergillosis in patients with intolerance, resistance, and ineffectiveness of the main antifungal drug, voriconazole. However, echinocandin is not recommended as first-line therapy.

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