Indication |
For the topical treatment of interdigital tinea pedis in immunocompetent patients 12 years of age and older, caused by Trichophyton rubrum, Trichophyton mentagrophytes, and Epidermophyton floccosum. |
Pharmacodynamics |
Sertaconazole is an imidazole/triazole type antifungal agent.
Sertaconazole is a highly selective inhibitor of fungal cytochrome P-450
sterol C-14 α-demethylation via the inhibition of the enzyme cytochrome
P450 14α-demethylase. This enzyme converts lanosterol to ergosterol,
and is required in fungal cell wall synthesis. The subsequent loss of
normal sterols correlates with the accumulation of 14 α-methyl sterols
in fungi and may be partly responsible for the fungistatic activity of
fluconazole. Mammalian cell demethylation is much less sensitive to
fluconazole inhibition. Sertaconazole exhibits in vitro activity against Cryptococcus neoformans and Candida spp.
Fungistatic activity has also been demonstrated in normal and
immunocompromised animal models for systemic and intracranial fungal
infections due to Cryptococcus neoformans and for systemic infections due to Candida albicans. |
Mechanism of action |
Sertaconazole interacts with 14-α demethylase, a cytochrome P-450
enzyme necessary to convert lanosterol to ergosterol. As ergosterol is
an essential component of the fungal cell membrane, inhibition of its
synthesis results in increased cellular permeability causing leakage of
cellular contents. Sertaconazole may also inhibit endogenous
respiration, interact with membrane phospholipids, inhibit the
transformation of yeasts to mycelial forms, inhibit purine uptake, and
impair triglyceride and/or phospholipid biosynthesis. |
Absorption |
Bioavailability is negligible. |
Volume of distribution |
Not Available |
Protein binding |
>99% to plasma |
Metabolism |
Not Available |
Route of elimination |
Not Available |
Half life |
Not Available |
Clearance |
Not Available |
Toxicity |
Not Available |