Since the middle of 2014, Insys Therapeutics Inc.'s pharmaceutical cannabidiol (CBD), a synthetic version of the plant-derived cannabinoid, has been awarded FDA orphan status in a total of six indications – most recently for infantile spasms – and the company looks to accelerate its research. But there's a hitch: The schedule I designation of synthetic CBD by the Drug Enforcement Agency (DEA) continues to drag the drug development process.