Researchers sought to determine how implementation of the Comprehensive Addiction and Recovery Act (CARA) in February 2017 to include nurse practitioner (NP) prescribers affected geographic distribution of medications to treat opioid use disorder (MOUD) in Oregon. They conducted interrupted time series analysis with linear regression on 420,765 eligible prescriptions dispensed for buprenorphine used for MOUD in the Oregon Prescription Drug Monitoring Database written by physician (MD/DO) and NP prescribers January 1, 2016, to December 31, 2018. Prior to CARA, a steady increase in buprenorphine use at 140 prescriptions per month was observed. Following CARA, increase in dispensing by 88 prescriptions per month was noted. Overall findings suggest a positive impact of changes in federal law concerning MOUD on both supply and geographic distribution in Oregon, especially in frontier areas comprising 10 of 36 counties (27%).
Read the full article on The Journal of Rural Health.