Receptor Life Sciences (RLS), a pharmaceutical company developing innovative therapies to address central nervous system disorders, announced the U.S. Food and Drug Administration (FDA) accepted its Investigational New Drug (IND) application for RLS103. RLS103, a dry powder inhaled cannabidiol (CBD), is a first-in-class drug/device combination product for the acute treatment of social anxiety disorder.
RLS103 uses a drug delivery technology comprising a proprietary CBD inhalation powder and a breath-powered device used in an FDA-approved product. RLS is initiating a proof-of-concept Phase 1b clinical safety and efficacy study in social anxiety disorder. The results will be used to facilitate the design of a larger, well-controlled, randomized Phase 2/3 safety and efficacy study intended for registration.
The RLS103 inhalation powder contains synthetic CBD and FDKP, an FDA-approved inhalation excipient. In an initial proof-of-concept pharmacokinetic clinical study, RLS103 provided immediate CBD absorption with peak concentration less than 4 minutes after inhalation. Compared to oral CBD (Epidiolex
