Comparative Pharmacology
Head-to-head clinical analysis: CLOTRIMAZOLE versus LOPROX.
Peer-Reviewed Evidence
Head-to-head clinical analysis: CLOTRIMAZOLE versus LOPROX.
CLOTRIMAZOLE vs LOPROX
Comparing the clinical profiles, pharmacokinetic behaviors, and safety indices of these two therapeutic agents.
Clotrimazole inhibits fungal cytochrome P450 14α-demethylase, disrupting ergosterol biosynthesis and increasing membrane permeability.
Ciclopirox is a hydroxypyridone antifungal agent that inhibits metal-dependent enzymes, including cytochromes, by chelating polyvalent cations (Fe3+, Al3+). It disrupts fungal cell membrane integrity and mitochondrial electron transport, leading to fungicidal activity. It also has anti-inflammatory properties by inhibiting prostaglandin and leukotriene synthesis.
Topical: Apply thin layer to affected area twice daily for 2-4 weeks. Oral troche: 10 mg troche dissolved slowly in mouth 5 times daily for 14 days. Vaginal: One 100 mg suppository intravaginally at bedtime for 7 days, or 200 mg suppository for 3 days, or 500 mg single dose.
Ciclopirox 1% cream or lotion: apply to affected area twice daily. Nail lacquer (8%): apply to affected nails daily. Shampoo (1%): apply 5-10 mL to wet scalp, lather, leave for 3 minutes, rinse; use twice weekly.
None Documented
None Documented
Clinical Note
moderateClotrimazole + Tranilast
"The risk or severity of adverse effects can be increased when Clotrimazole is combined with Tranilast."
Clinical Note
moderateClotrimazole + Tolfenamic acid
"The risk or severity of adverse effects can be increased when Clotrimazole is combined with Tolfenamic acid."
Clinical Note
moderateClotrimazole + Nimesulide
"The risk or severity of adverse effects can be increased when Clotrimazole is combined with Nimesulide."
Clinical Note
moderateTerminal half-life is approximately 3-6 hours; due to rapid hepatic metabolism and extensive tissue distribution, clinical effects persist longer than plasma levels suggest.
Terminal elimination half-life is approximately 1.7 hours for the absorbed fraction, reflecting rapid renal clearance.
Primarily fecal (biliary) as unchanged drug and metabolites; minimal renal excretion (<1% unchanged).
Less than 1% of topically applied ciclopirox is absorbed; absorbed drug is conjugated and excreted renally as glucuronides, with minor fecal elimination.
Category A/B
Category C
Antifungal
Antifungal
Clotrimazole + Risedronic acid
"The risk or severity of adverse effects can be increased when Clotrimazole is combined with Risedronic acid."