U.S. Department of Health & Human Services Divider Arrow National Institutes of Health Divider Arrow NCATS

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Showing 1 - 10 of 21 results

2S,4R ketoconazole or levoketoconazole is the 2S,4R enantiomer of ketoconazole, purified from racemic ketoconazole. Both enantiomers exerts antifungal activity. Ketoconazole activates AhR in gene reporter cell line and dose-dependently induces CYP1A1 mRNA and CYP1A1 protein in HepG2 cells, with enantiospecific pattern, i.e. 2R,4S ketoconazole was much more active as compared to 2S,4R ketoconazole. Levoketoconazole was shown to be a more potent inhibitor than the 2R,4S enantiomer of several enzymes in the steroidogenic pathway (CYP11B1, CYP17 and CYP21). Levoketoconazole was tested for the treatment of endogenous Cushing’s syndrome (Phase III) and type 2 diabetes mellitus (Phase II).
Status:
Other

Class (Stereo):
CHEMICAL (RACEMIC)

Status:
Other

Class (Stereo):
CHEMICAL (RACEMIC)


Conditions:

trans-Ketoconazole was identified as impurity of an antifungal compound cis-ketoconazole. Cis-Ketoconazole displayed broad-spectrum in vivo activity in a wide range of experimental fungal infections caused by different fungi in a variety of animal models. trans-isomer of ketoconazole is less active than cis-ketoconazole.
Status:
Other

Class (Stereo):
CHEMICAL (RACEMIC)