Comparative Pharmacology
Head-to-head clinical analysis: CICLOPIROX versus LOPROX.
Peer-Reviewed Evidence
Head-to-head clinical analysis: CICLOPIROX versus LOPROX.
CICLOPIROX vs LOPROX
Comparing the clinical profiles, pharmacokinetic behaviors, and safety indices of these two therapeutic agents.
Ciclopirox is a hydroxypyridone antifungal agent that chelates polyvalent metal cations (e.g., Fe3+, Al3+) inhibiting metal-dependent enzymes, thereby disrupting fungal cellular metabolic processes, including mitochondrial electron transport and energy production.
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.
Ciclopirox 8% nail lacquer: Apply to affected nails once daily for up to 48 weeks. Ciclopirox 1% cream or lotion: Apply to affected skin twice daily for 2-4 weeks. Ciclopirox 1% shampoo: Apply to wet hair, lather, leave for 3 minutes, rinse; use twice weekly for 4 weeks (for seborrheic dermatitis).
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
Clinical Note
moderateCiclopirox + Tranilast
"The risk or severity of adverse effects can be increased when Ciclopirox is combined with Tranilast."
Clinical Note
moderateCiclopirox + Tolfenamic acid
"The risk or severity of adverse effects can be increased when Ciclopirox is combined with Tolfenamic acid."
Clinical Note
moderateCiclopirox + Nimesulide
"The risk or severity of adverse effects can be increased when Ciclopirox is combined with Nimesulide."
Clinical Note
moderateCiclopirox + Risedronic acid
None Documented
Terminal elimination half-life: 1.7-3.0 hours in healthy individuals; prolonged in hepatic impairment
Terminal elimination half-life is approximately 1.7 hours for the absorbed fraction, reflecting rapid renal clearance.
Renal: approximately 70-80% of the absorbed dose as unchanged drug and glucuronide conjugates; biliary/fecal: ~20-30%
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
"The risk or severity of adverse effects can be increased when Ciclopirox is combined with Risedronic acid."