Study to Assess Efficacy and Safety of BNX Sublingual Tablets for the Induction of Treatment of Opioid Dependence

This was a prospective, randomized, multicenter, blinded, parallel-group, active-controlled, non-inferiority study conducted at 13 sites within the US. Eligible patients participated in 8 treatment visits on Days 1, 2, 3, 4, 8, 15, 22, and 29. Effectiveness of treatment was assessed as follows: * Retention in treatment at Day 3 * Clinician and patient assessments of opioid withdrawal symptoms * Assessment opioid cravings