Insys Development Company, Inc. is conducting a clinical trial to determine if the use of Cannabidiol (CDB) is safe and effective in the treatment of Prader-Willi Syndrome.  To determine if CBD is effective in Prader-Willi, the trial will be evaluating in children between 8 and 17 years old whether the use of CBD provided as an oral solution can help control continual feeling of hunger regardless of food intake and the effect of CBD on compulsive behaviors.  For more information, a description of this study including the location of the sites that are enrolling patients is available here