Comparative Pharmacology
Head-to-head clinical analysis: FULVICIN U F versus LOPROX.
Head-to-head clinical analysis: FULVICIN U F versus LOPROX.
FULVICIN-U/F vs LOPROX
Comparing the clinical profiles, pharmacokinetic behaviors, and safety indices of these two therapeutic agents.
Inhibition of fungal cell mitosis by binding to microtubules, disrupting spindle formation and nuclear division.
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.
125 mg orally once daily with a high-fat meal for 7 days, then 125 mg every other day for 7 days (total 13 doses).
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
Terminal half-life approximately 9.5 hours; may be prolonged in liver disease.
Terminal elimination half-life is approximately 1.7 hours for the absorbed fraction, reflecting rapid renal clearance.
Primarily hepatic metabolism; <1% excreted unchanged in urine; metabolites excreted in bile and feces.
Less than 1% of topically applied ciclopirox is absorbed; absorbed drug is conjugated and excreted renally as glucuronides, with minor fecal elimination.
Category C
Category C
Antifungal
Antifungal