Buprenorphine (IMAGE) Oregon Health & Science University Caption New research shows that insurance rules increasingly limited the use of buprenorphine, one of just three FDA-approved medications to treat opioid dependence. Credit OHSU/Kristyna Wentz-Graff Usage Restrictions Photo available for use by news outlets. Commercial use is prohibited without prior written consent. https://news.ohsu.edu/multimedia/photos License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.