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Prescription Drug Monitoring Program: Registration and Use by Prescribers and Pharmacists Before and After Legal Mandatory Registration, California

NCJ Number
American Journal of Public Health Volume: 108 Issue: 12 Dated: 2019 Pages: 1668-1674
Aaron B. Shev; Garen J. Wintemute; Magdalena Cerda; Andrew Crawford; Susan L. Stewart; Stephen G. Henry
Date Published
6 pages
This study estimated the effect of California's prescription drug monitoring program's (PDMP) registration mandate on use of the PDMP.
The effect of Californias mandatory PDMP registration law was evaluated by fitting time series models on the percentage of clinicians registered for Californias PDMP and the percentage of clinicians who were active PDMP users (users who created greater than or equal to 1 patient prescription reports in a given month) from 2010 through 2017. The study also compared PDMP use among early PDMP adopters (clinicians who registered greater than or equal to 8 months before the mandatory registration deadline) compared with late adopters (clinicians who registered less than or equal to 8 months before the deadline). The findings indicate that mandatory registration was associated with increases in active PDMP users; i.e., a 53.5-percent increase for prescribers and a 17.9-percent increase for pharmacists. Early adopters were four times more likely to be active PDMP users than were late adopters. The study concludes that mandatory PDMP registration increases PDMP use but does not result in widespread PDMP use by all clinicians who prescribe controlled substances. (publisher abstract modified)