Association Between Cost-Sharing and Buprenorphine Prescription Abandonment

Prior studies suggest cost-sharing decreases buprenorphine dispensing. However, these studies used databases that only report prescriptions filled by patients, not those that were “abandoned.” Consequently, the studies could not calculate the probability of buprenorphine prescription abandonment or evaluate whether cost-sharing is associated with abandonment. To evaluate the association between cost-sharing and buprenorphine prescription abandonment. Cross-sectional analysis of the IQVIA Formulary Impact Analyzer, a pharmacy transaction database representing 63