Abstract
Abuse-deterrent formulation (ADF) opioid analgesics have been developed as a means to address prescription opioid abuse. ADF opioid use in clinical practice is not well described in the literature. This study characterizes ADF opioid prescribing patterns in 3 diverse states. This study used data from prescription drug monitoring programs (PDMPs) in California, Florida, and Kentucky. The sample includes all ADF opioid prescriptions for patients ≥18 years old during the study period (CY 2018). Standardized prescribing rates were calculated by age, sex, and county rurality. The ADF opioid prescribing rate was calculated per 1,000 adult recipients of opioid analgesics. The rate of ADF prescribing per 1,000 adult recipients of opioid analgesics was nearly twice as high in Florida (14.57; 95% CI: 14.44-14.69) than in California (8.30; 95% CI: 8.22-8.37) or Kentucky (8.20; 95% CI: 8.01-8.39). ADF prescribing rates were highest among adults ages 55-74 years and among males. ADF opioid prescribing in rural counties represented a greater proportion of total patients using opioid analgesics than in metro counties in California (RR 1.40; CI: 1.28-1.53). Opposite and less pronounced variation was observed in Kentucky (RR 0.93; 95% CI: 0.88-0.98), and a significant difference was not observed in Florida (RR 0.68; 95% CI: 0.38-1.19). There were significant differences in the ADF prescribing rates among the 3 states and in rural versus metro counties within 2 states. ADF opioid prescribing by age and sex showed similar trends within states. Further research is needed to elucidate contextual factors which may lead to prescribing variation.
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