Comparative Pharmacology
Head-to-head clinical analysis: CICLOPIROX versus NYSTOP.
Peer-Reviewed Evidence
Head-to-head clinical analysis: CICLOPIROX versus NYSTOP.
CICLOPIROX vs NYSTOP
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.
Nystatin binds to ergosterol in fungal cell membranes, forming pores that disrupt membrane integrity, leading to leakage of intracellular ions and cell death.
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).
Apply a thin layer to affected area 2-3 times daily or as directed. Nystatin is not absorbed systemically; topical use only.
None Documented
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
Terminal elimination half-life: 1.7-3.0 hours in healthy individuals; prolonged in hepatic impairment
Not applicable for systemic pharmacokinetics due to minimal absorption; local half-life on mucosal surfaces is not defined. For intravenous administration (not approved), the terminal half-life is approximately 2-4 hours, but this route is not clinically used.
Renal: approximately 70-80% of the absorbed dose as unchanged drug and glucuronide conjugates; biliary/fecal: ~20-30%
Nystatin is not absorbed from the gastrointestinal tract or intact skin/mucous membranes; when administered topically or orally, it is excreted almost entirely in feces as unchanged drug (>99%). Less than 1% is excreted renally if ingested. No quantified biliary excretion reported.
Category A/B
Category C
Antifungal
Antifungal
"The risk or severity of adverse effects can be increased when Ciclopirox is combined with Risedronic acid."