Study ProtocolPublished 7 October 2026Comparative efficacy of naltrexone-accelerated versus sublingual buprenorphine in opioid withdrawal management and initiating injectable naltrexone treatment: study protocol for a randomized controlled trialSaeede Jafari · Afarin Rahimi-Movaghar · Alireza Noroozi · Pooneh Malekifar · Akbar FotouhiFrontiers in Psychiatrydoi 10.3389/fpsyt.2026.1933443