Emergency department visits due to cannabinoid-induced toxicity, including acute cannabinoid intoxication (ACI) have increased worldwide as more states have liberalized cannabis policy. ACI symptoms include anxiety, panic attacks, tachycardia, and psychosis, primarily mediated through cannabinoid type 1 receptor (CB) agonism by Δ-tetrahydrocannabinol (THC). This phase II randomized, double-blind, placebo-controlled study assessed the potential of CB receptor antagonist selonabant (ANEB-001) to block THC-induced effects in healthy adults. In Part A of the study, 10.