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

ABSTRACT: Hydrocodone 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.In 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.HYD 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.In 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.

SUBMITTER: Taber L

PROVIDER: S-EPMC5536138 | biostudies-other | 2017

REPOSITORIES: biostudies-other

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Project description:IntroductionTofacitinib is an oral Janus kinase inhibitor for the treatment of rheumatoid arthritis (RA). To provide additional clinical evidence in regulatory submissions for a modified-release (MR) once-daily (QD) tofacitinib formulation, we compared real-world adherence and effectiveness between patients initiating the MR QD formulation and patients initiating an immediate-release (IR) twice-daily (BID) formulation.MethodsTwo noninterventional cohort studies were conducted. First, adherence and two effectiveness proxies were compared between patients with RA who newly initiated tofacitinib MR 11 mg QD or IR 5 mg BID in the IBM® MarketScan® Commercial and Medicare Supplemental US insurance claims databases (March 2016-October 2018). Second, using data collected in the Corrona US RA Registry (February 2016-August 2019), two Clinical Disease Activity Index (CDAI)-based measures of effectiveness were compared between tofacitinib MR 11 mg QD and IR 5 mg BID, and against noninferiority criteria derived from placebo-controlled clinical trials of the tofacitinib IR formulation. Multiple sensitivity analyses of the registry data were conducted to reassure regulators of consistent results across different assumptions.ResultsIn each study, approximately two-thirds of patients initiated the MR formulation. In the claims database study, improved adherence and at least comparable effectiveness were observed with tofacitinib MR vs IR over 12 months, particularly in patients without prior advanced therapy. In the registry study, the noninferiority of tofacitinib MR vs IR was demonstrated for both CDAI outcomes at ~6 months; this finding was robust across multiple sensitivity analyses.ConclusionThese results demonstrate the value of real-world evidence from complementary data sources in understanding the impact of medication adherence with a QD formulation in clinical practice. These analyses were suitable for regulatory consideration as an important component of evidence for the comparability of tofacitinib MR 11 mg QD vs IR 5 mg BID in patients with RA.Trial registrationClaims database study: ClinicalTrials.gov identifier NCT04018001, retrospectively registered July 12, 2019. Corrona US RA Registry study: ClinicalTrials.gov identifier NCT04267380, retrospectively registered February 12, 2020.

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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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