Table 1.

Major studies about CBD in the treatment of epilepsy.

Study	Number of patients
Devinsky et al. (22) - TRE OL	214
Hess et al. (23) - Tuberous sclerosis OL	18
Devinsky et al. (24) - Dravet RCT	61
Thiele et al. (26) - LG RCT	86
Devinsky et al. (25) - LG RCT 20 mg/kg	76
Thiele et al. (30) - LG OL	366
Devinsky et al. (31) - Dravet OL	264
Szaflarski et al. (32) - TRE OL	607

TRE, treatment-resistant epilepsy; OL, open label; LG, Lennox-Gastaut; RCT, randomized controlled trial.