Overview Delivering Transcutaneous Auricular Neurostimulation to Improve Relapse Prevention in Opioid Use Disorder Status: Not yet recruiting Trial end date: 2023-11-01 Target enrollment: Participant gender: Summary The primary objective of this trial is to determine whether tAN can improve relapse prevention beyond that seen with depot naltrexone during Phase II. Phase: N/A Details Lead Sponsor: Spark Biomedical, Inc.Treatments: LofexidineNaltrexone