Cannabidiol efficacy independent of clobazam: Meta‐analysis of four randomized controlled trials

Abstract Objective: The efficacy of cannabidiol (CBD) with and without concomitant clobazam (CLB) was evaluated in stratified analyses of four large randomized controlled trials, two in Lennox‐Gastaut syndrome, and two in Dravet syndrome. Methods: Each trial of CBD (Epidiolex® in the US; Epidyolex® in the EU; 10 and 20 mg/kg/day) was evaluated by CLB use. The treatment ratio was analyzed using negative binomial regression for changes in seizure frequency and logistic regression for the 50% responder rate, where the principle