At a glance
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Emergency Department-Initiated Buprenorphine Validation Network Trial
In Brief
A Phase 2 clinical trial evaluating CAM2038 and Buprenorphine Sublingual Product for Opioid-use Disorder. Completed, enrolled 2,000 participants across 35 sites.
Detailed Summary
This study will (1) recruit, train and provide resources to approximately 30 Emergency Department (ED) sites throughout the U.S. using implementation facilitation strategies to provide ED-initiated buprenorphine (BUP) for patients presenting with opioid use disorder (OUD) who are not receiving medications for opioid use disorder (MOUD). Once implementation is adequately achieved, the sites will (2) conduct a randomized controlled trial (RCT) to compare the effectiveness of sublingual buprenorphine (SL-BUP) versus extended-release buprenorphine (XR-BUP) on ED patients' engagement in formal addiction treatment 7-days after their ED visit. In addition, in an ancillary component of the study, the investigators will (3) assess the use of XR-BUP in ED patients with Clinical Opioid Withdrawal Scale (COWS) scores \< 8 in a case series to potentially expand the eligibility of patients in the larger RCT to those presenting with little to no opioid withdrawal symptoms. Finally, the investigators will (4) develop and validate ED electronic health record (EHR) opioid-related phenotypes, both of which will inform the main RCT.
Study Details
Timeline
Interventions
Patients will receive a 24 mg dose of injectable CAM2038 in the ED on Day 0.
COWS ≥ 8: Patients will receive 4mg of SL-BUP for a COWS score of 8-12 (mild withdrawal). After 30-45 minutes if tolerated and no unanticipated adverse reactions, an additional 4mg can be administered for a total of 8mg in the ED. Patients presenting with moderate-severe withdrawal (COWS \>≥ 13) will receive an initial dose of 8mg SL-BUP. All patients will receive a buprenorphine prescription and instructions for additional BUP doses to allow for up to a dose of 12mg if needed, and for 16mg each subsequent day until their scheduled follow up appointment for ongoing MOUD (medications for opioid use disorder). COWS 4-7: Patients will be provided with a uniform set of instructions to guide unobserved (home) induction. They will be prescribed doses of SL-BUP to allow them to take dose up to 12mg in the 24 hours after discharge. All patients will also receive a buprenorphine prescription for 16mg each subsequent day until their scheduled follow up appointment for ongoing MOUD.