Comparative Pharmacology
Head-to-head clinical analysis: CLOBAZAM versus LORAZEPAM.
Peer-Reviewed Evidence
Head-to-head clinical analysis: CLOBAZAM versus LORAZEPAM.
CLOBAZAM vs LORAZEPAM
Comparing the clinical profiles, pharmacokinetic behaviors, and safety indices of these two therapeutic agents.
Clobazam is a benzodiazepine that enhances the effect of GABA at the GABA-A receptor, increasing chloride ion conductance and neuronal hyperpolarization. It has a high affinity for the α2 subunit, which may contribute to its anticonvulsant effects.
Benzodiazepine that enhances GABA-A receptor activity by increasing frequency of chloride channel opening, leading to neuronal hyperpolarization and inhibition.
10-60 mg orally once daily, divided into two doses. Typical starting dose: 10 mg twice daily.
2-3 mg orally or IV, 3-4 times daily; maximum 10 mg/day. For anxiety, 0.5-2 mg orally 2-3 times daily. For procedural sedation, IV: 0.044 mg/kg or 2 mg total, may repeat.
MODERATE Risk
MODERATE Risk
Clinical Note
moderateClobazam + Estrone sulfate
"The serum concentration of Estrone sulfate can be decreased when it is combined with Clobazam."
Clinical Note
moderateClobazam + Fluticasone propionate
"The risk or severity of adverse effects can be increased when Clobazam is combined with Fluticasone propionate."
Clinical Note
moderateLorazepam + Fluticasone propionate
"The risk or severity of adverse effects can be increased when Lorazepam is combined with Fluticasone propionate."
Clinical Note
moderateClobazam: 36–42 hours; N-desmethylclobazam: 71–82 hours. Steady state achieved in 5–10 days.
Terminal elimination half-life is 12-18 hours. Clinically significant for once-daily dosing; may accumulate in elderly or hepatic impairment.
Renal: ~82% as metabolites (mainly N-desmethylclobazam and hydroxylated metabolites), unchanged clobazam <1%; fecal: ~11%.
Primarily renal excretion as glucuronide conjugates; less than 1% excreted unchanged. Approximately 60-80% eliminated in urine, with 15-20% in feces.
Category C
Category D/X
Benzodiazepine
Benzodiazepine
Lorazepam + Haloperidol
"The risk or severity of adverse effects can be increased when Lorazepam is combined with Haloperidol."