[In vitro antifungal activity of itraconazole, a new triazole antifungal agent, against clinical isolates from patients with dermatomycoses]. 1991

K Uchida, and J Hosaka, and K Aoki, and H Yamaguchi
Teikyo University Research Center for Medical Mycology.

In vitro antifungal activities of itraconazole (ITZ), a triazole antifungal agent, against clinical isolates obtained from patients with superficial and subcutaneous mycoses were examined using the agar dilution method on casitone agar. The clinical isolates tested were 7 species and 263 isolates including Trichophyton mentagrophytes (104 isolates), Trichophyton rubrum (103 isolates), Microsporum canis (3 isolates), Epidermophyton floccosum (2 isolates), Candida albicans (32 isolates), Malassezia furfur (7 isolates) and Sporothrix schenckii (12 isolates). The results are summarized as follows: 1. MIC values of ITZ for the isolates of dermatophytes and M. furfur distributed in a range of less than 0.0012-5 micrograms/ml indicating that ITZ had greater in vitro activities. These in vitro activities of ITZ were greater than those of clotrimazole or bifonazole. 2. C. albicans isolates were divided into 2 groups in terms of ITZ-susceptibilities, a high susceptibility group and low-susceptibility group with MIC values of 0.02-0.08 micrograms/ml and greater than 10 micrograms/ml, respectively. 3. The in vitro activities of ITZ against S. schenckii isolates with a geometric mean MIC of 0.119 micrograms/ml were greater than those of ketoconazole, miconazole or amphotericin B used as reference drugs.

UI MeSH Term Description Entries
D007093 Imidazoles Compounds containing 1,3-diazole, a five membered aromatic ring containing two nitrogen atoms separated by one of the carbons. Chemically reduced ones include IMIDAZOLINES and IMIDAZOLIDINES. Distinguish from 1,2-diazole (PYRAZOLES).
D007654 Ketoconazole Broad spectrum antifungal agent used for long periods at high doses, especially in immunosuppressed patients. Nizoral,R-41400,R41,400,R41400,R 41400
D008825 Miconazole An imidazole antifungal agent that is used topically and by intravenous infusion. Brentan,Dactarin,Miconasil Nitrate,Miconazole Nitrate,Monistat,R-14,889,Nitrate, Miconasil,Nitrate, Miconazole,R 14,889,R14,889
D008826 Microbial Sensitivity Tests Any tests that demonstrate the relative efficacy of different chemotherapeutic agents against specific microorganisms (i.e., bacteria, fungi, viruses). Bacterial Sensitivity Tests,Drug Sensitivity Assay, Microbial,Minimum Inhibitory Concentration,Antibacterial Susceptibility Breakpoint Determination,Antibiogram,Antimicrobial Susceptibility Breakpoint Determination,Bacterial Sensitivity Test,Breakpoint Determination, Antibacterial Susceptibility,Breakpoint Determination, Antimicrobial Susceptibility,Fungal Drug Sensitivity Tests,Fungus Drug Sensitivity Tests,Sensitivity Test, Bacterial,Sensitivity Tests, Bacterial,Test, Bacterial Sensitivity,Tests, Bacterial Sensitivity,Viral Drug Sensitivity Tests,Virus Drug Sensitivity Tests,Antibiograms,Concentration, Minimum Inhibitory,Concentrations, Minimum Inhibitory,Inhibitory Concentration, Minimum,Inhibitory Concentrations, Minimum,Microbial Sensitivity Test,Minimum Inhibitory Concentrations,Sensitivity Test, Microbial,Sensitivity Tests, Microbial,Test, Microbial Sensitivity,Tests, Microbial Sensitivity
D003022 Clotrimazole An imidazole derivative with a broad spectrum of antimycotic activity. It inhibits biosynthesis of the sterol ergostol, an important component of fungal CELL MEMBRANES. Its action leads to increased membrane permeability and apparent disruption of enzyme systems bound to the membrane. Bay b 5097,Canesten,FB b 5097,Kanesten,Klotrimazole,Lotrimin,Mycelex
D003881 Dermatomycoses Superficial infections of the skin or its appendages by any of various fungi. Skin Diseases, Fungal,Dermatomycosis,Dermatophyte Infection,Fungal Skin Diseases
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000666 Amphotericin B Macrolide antifungal antibiotic produced by Streptomyces nodosus obtained from soil of the Orinoco river region of Venezuela. Amphocil,Amphotericin,Amphotericin B Cholesterol Dispersion,Amphotericin B Colloidal Dispersion,Fungizone
D000935 Antifungal Agents Substances that destroy fungi by suppressing their ability to grow or reproduce. They differ from FUNGICIDES, INDUSTRIAL because they defend against fungi present in human or animal tissues. Anti-Fungal Agents,Antifungal Agent,Fungicides, Therapeutic,Antibiotics, Antifungal,Therapeutic Fungicides,Agent, Antifungal,Anti Fungal Agents,Antifungal Antibiotics
D017964 Itraconazole A triazole antifungal agent that inhibits cytochrome P-450-dependent enzymes required for ERGOSTEROL synthesis. Orungal,R-51211,Sporanox,R 51211,R51211

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