Real-world utilization of once-daily extended-release abuse deterrent formulation of hydrocodone: a comparison with the pre-approval randomized clinical trials.

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Background and objectiveHydrocodone bitartrate extended release (Hysingla® ER, HYD) was previously studied in a 12-week randomized, double-blind, placebo-controlled trial and a 52-week open-label safety study. Both of these preapproval studies allowed dose titration to efficacy. The purpose of the present analysis was to compare dosing and utilization patterns in these previous clinical trials with real-world data (RWD) usage in a retrospective claim analysis performed 12–14 months post approval in the US.MethodsIn the claim analysis (Truven Health Analytics MarketScan® Research Database), patients prescribed HYD between January 1, 2015, and April 30, 2016, were followed for up to 6 months of continuous HYD use. Daily average consumption (DACON), initial dose, rescue opioid use and total milligram dose over time were also evaluated.ResultsHYD daily dose stabilized at ~60 mg dose once daily across all three studies. There was also a reduced need for rescue medication with HYD, resulting in a lower total opioid milligram dose over time. In the claim analysis, the mean monthly HYD dose increased from 49 to 55 mg in month 2 and then remained stable through month 6. The mean (standard deviation [SD]) time on drug was 79.5 days (61.42 days), and DACON was 1.04 pills/day, corresponding to the approved full prescribing information (FPI) and once-daily dosing.ConclusionIn 12–14 months post approval, real-world dosing and utilization of HYD mirrored registration and open-label study findings, with stable once-daily dosing of ~60 mg and no increase in rescue medicine utilization.