Overview The Effects of ∆-9-THC and Naloxone in Humans Status: Active, not recruiting Trial end date: 2021-12-01 Target enrollment: Participant gender: Summary The purpose of this project is to examine the effects of mu-opiate antagonism on the rewarding and reinforcing effects of delta-9-tetrahydrocannabinol (THC), the main psychoactive ingredient of cannabis. Phase: Phase 1 Details Lead Sponsor: Yale UniversityTreatments: DronabinolNaloxone