Comparative Pharmacology
Head-to-head clinical analysis: CLONAZEPAM versus VERSED.
Peer-Reviewed Evidence
Head-to-head clinical analysis: CLONAZEPAM versus VERSED.
CLONAZEPAM vs VERSED
Comparing the clinical profiles, pharmacokinetic behaviors, and safety indices of these two therapeutic agents.
Enhances GABA-A receptor inhibitory neurotransmission by binding to benzodiazepine binding site, increasing frequency of chloride channel opening, leading to neuronal hyperpolarization.
Benzodiazepine that enhances GABA-A receptor activity, increasing chloride ion conductance and causing neuronal hyperpolarization.
0.5 mg orally three times daily; maximum 20 mg/day
IV: Initial 1-2.5 mg; titrate by 0.5-1 mg every 2-3 min; usual total 2.5-5 mg for sedation. IM: 0.07-0.08 mg/kg (max 5 mg) once. Oral: 7.5-15 mg once (preoperative).
None Documented
None Documented
Terminal elimination half-life: 19-60 hours (mean 30-40 hours); clinical context: long-acting benzodiazepine, allows once or twice daily dosing; accumulation occurs with repeated use.
Clinical Note
moderateClonazepam + Sulfisoxazole
"The metabolism of Sulfisoxazole can be decreased when combined with Clonazepam."
Clinical Note
moderateClonazepam + Erythromycin
"The metabolism of Erythromycin can be decreased when combined with Clonazepam."
Clinical Note
moderateClonazepam + Cyclosporine
"The metabolism of Cyclosporine can be decreased when combined with Clonazepam."
Clinical Note
moderateClonazepam + Fluconazole
Terminal elimination half-life: 1.8–2.5 hours in healthy adults; prolonged in elderly (up to 6 hours), obesity (up to 8 hours), hepatic cirrhosis (up to 20 hours), and critically ill patients.
Renal: 50-70% as metabolites (mostly glucuronide conjugates), <2% unchanged; fecal: 10-20%; biliary: minor.
Renal: ~1% unchanged; Hepatic metabolism to glucuronide conjugates and 1-hydroxymidazolam, with subsequent renal elimination of metabolites. Fecal excretion is minimal (<2%).
Category D/X
Category C
Benzodiazepine
Benzodiazepine
"The metabolism of Fluconazole can be decreased when combined with Clonazepam."