Comparative Pharmacology
Head-to-head clinical analysis: CYCLAINE versus LIDOCAINE AND PRILOCAINE.
Peer-Reviewed Evidence
Head-to-head clinical analysis: CYCLAINE versus LIDOCAINE AND PRILOCAINE.
CYCLAINE vs LIDOCAINE AND PRILOCAINE
Comparing the clinical profiles, pharmacokinetic behaviors, and safety indices of these two therapeutic agents.
Cyclaine is a local anesthetic that reversibly blocks nerve conduction by decreasing the permeability of the neuronal membrane to sodium ions, thereby stabilizing the membrane and preventing the initiation and transmission of electrical impulses.
Lidocaine and prilocaine are amide-type local anesthetics that stabilize neuronal membranes by inhibiting sodium ion channels, thereby blocking the initiation and conduction of nerve impulses.
0.2–0.4 mg/kg IV for induction; 0.5–1.5 mg/kg/h IV infusion for maintenance.
Apply 2.5 g cream (lidocaine 25 mg/prilocaine 25 mg) to intact skin under occlusive dressing; maximum single application area 400 cm², maximum application time 4 hours. For genital mucous membranes: apply 5-10 g for 5-10 minutes without occlusion. Not recommended for dental use.
None Documented
None Documented
Terminal elimination half-life: 2-4 hours in adults; prolonged with hepatic impairment.
Lidocaine: 1.5-2 hours; prilocaine: 1.5-2 hours. In hepatic impairment, half-life may be prolonged up to 2-3 times.
Renal: minimal (<5% unchanged); biliary/fecal: >70% as metabolites; small amount exhaled as CO2.
Renal excretion of metabolites (lidocaine: 70-80% as 4-hydroxy-2,6-xylidine and conjugates; prilocaine: 85-95% as o-toluidine metabolites and conjugates). Less than 10% of parent drugs excreted unchanged.
Category C
Category A/B
Local Anesthetic
Local Anesthetic / Antiarrhythmic (Class Ib)