Cannabis for Chronic Headaches in Adolescents: the CAN-CHA Trial

"CBD50 plus is a medical cannabis oil with flavouring agent produced under Good Manufacturing Practice by MediPharm Labs and purchased for this study. Each ml of oil contains 2 mg/ml of delta-9-THC and 50 mg/ml of CBD.~Participants will receive escalating doses from 0.2-0.4 mg/kg/day of CBD to 0.8-1 mg/kg of CBD per day for four months, with dose increases monthly in 0.2mg/kg increments. Participants will following a weekly weaning protocol."