PMID: 30020740Jul 19, 2018Paper

Disease-modifying antirheumatic drug initiation among patients newly diagnosed with rheumatoid arthritis

The American Journal of Managed Care
Machaon M K BonafedeBradley S Stolshek

Abstract

To determine the rate of timely disease-modifying antirheumatic drug (DMARD) initiation in patients newly diagnosed with rheumatoid arthritis (RA), as recommended per a quality measure endorsed by the National Quality Forum. Retrospective analysis of claims data from the Truven Health MarketScan commercial and Medicare claims databases. Patients newly diagnosed with RA were identified in the claims databases. Outcomes included rate of nonbiologic or biologic DMARD initiation within 12 months of diagnosis; initiation by year (2009-2012), US state, and prescription drug plan; and time to initiation. Multivariate modeling was performed to identify factors associated with initiation or noninitiation. Of 40,040 newly diagnosed patients, 55.5% initiated RA therapy within 12 months, including 21,154 (52.8%) initiating DMARD therapy and 1051 (2.6%) initiating biologic DMARD therapy. Rates were similar for years 2009 (53.3%), 2010 (55.7%), 2011 (56.3%), and 2012 (56.8%), but they varied widely by US state (range, 33.3%-88.0%) and prescription plan (range, 42.6%-63.5% across 8 largest plans). Mean (SD) time to initiation of any RA therapy was 39 (65) days. Predictors of initiation included point-of-service (odds ratio [OR], 1.18) and con...Continue Reading

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