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Changing patterns of medication use in patients with rheumatoid arthritis in a Medicaid population.

ABSTRACT: To examine changes in patterns of medication utilization in patients with RA.Data from Tennessee Medicaid (TennCare) databases (1995-2004) were used to identify adults with both a diagnosis of RA and at least one DMARD prescription each year. Annual age-specific utilization of DMARDs, glucocorticoids, NSAIDs and narcotics was measured on the last day of each year to determine the point prevalence of use of these agents.Records from 23 342 patients with treated RA were analysed. Most patients were females (78%) and white (74%). The median age was 57 yrs (interquartile range: 48-65). The proportion of patients who had a current DMARD prescription on the index date increased from 62% in 1995 to 71% in 2004 (P < 0.001). MTX was the most commonly used DMARD. By the end of 2004, 22% of patients had a current prescription for a biologic, and etanercept represented 51% of all biologic therapies. During the study period, the overall utilization of glucocorticoids decreased from 46% to 38% (P < 0.001), whereas NSAID utilization increased from 33% to 38% (P < 0.001), and use of narcotics increased from 38% to 55% (P < 0.001). A secondary analysis that identified RA patients based on diagnosis codes alone, showed similar patterns, but lower DMARD utilization which increased from 33% to 52% overall and from 0% to 16% for biologics.The utilization of DMARDs increased in TennCare patients with RA, and by 2004, use of biologics was substantial. Although glucocorticoid utilization decreased, use of both NSAIDs and narcotics increased.

SUBMITTER: Grijalva CG

PROVIDER: S-EPMC4819998 | biostudies-literature | 2008 Jul

REPOSITORIES: biostudies-literature

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Changing patterns of medication use in patients with rheumatoid arthritis in a Medicaid population.

Grijalva C G CG Chung C P CP Stein C M CM Mitchel E F EF Griffin M R MR

Rheumatology (Oxford, England) 20080522 7

<h4>Objective</h4>To examine changes in patterns of medication utilization in patients with RA.<h4>Methods</h4>Data from Tennessee Medicaid (TennCare) databases (1995-2004) were used to identify adults with both a diagnosis of RA and at least one DMARD prescription each year. Annual age-specific utilization of DMARDs, glucocorticoids, NSAIDs and narcotics was measured on the last day of each year to determine the point prevalence of use of these agents.<h4>Results</h4>Records from 23 342 patient ...[more]

PMID: 18499716

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Project description:IntroductionPrednisone is frequently administered in combination with other therapies for the treatment of rheumatoid arthritis (RA); however, its chronic use is associated with an increased risk of comorbidities and mortality. The objective of this analysis was to evaluate changes in prednisone use among patients with RA treated with tocilizumab (TCZ) in routine US clinical practice.MethodsTCZ-naïve patients in the Corrona RA registry who initiated TCZ were included. The primary outcome was the proportion of patients with changes in prednisone use over 12 months (primary analysis) and 6 months (secondary analysis). Changes in disease activity over 6 and 12 months (± 3 months) were assessed using the Clinical Disease Activity Index (CDAI). Outcomes were assessed in the overall population and separately for patients receiving TCZ monotherapy or in combination with conventional synthetic disease-modifying antirheumatic drugs.ResultsOf patients receiving prednisone at baseline (mean [SD] dose: 7.7 [5.2] mg/day), 30.6% discontinued prednisone over 12 months; among patients receiving > 7.5 mg of prednisone at the time of TCZ initiation, 63.0% discontinued prednisone or decreased their dose by ≥ 5 mg over 12 months. In secondary analyses, 29.7% of patients receiving prednisone at baseline had discontinued prednisone over 6 months; among those receiving > 7.5 mg of prednisone at baseline, 51.3% discontinued or decreased their dose by ≥ 5 mg over 6 months. Changes in prednisone use and improvement from baseline in CDAI score over 6 and 12 months were comparable between patients who initiated TCZ monotherapy vs. TCZ combination therapy.ConclusionsIn this real-world analysis, many patients initiating TCZ monotherapy or combination therapy were able to discontinue or decrease their prednisone dose over 12 months. Similar changes in prednisone dose were observed over 6 months.Trial registrationClinicalTrials.gov identifier, NCT01402661.FundingCorrona, LLC and Genentech, Inc. Plain language summary available for this article.

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Changing patterns of medication use in patients with rheumatoid arthritis in a Medicaid population.

Publications

Changing patterns of medication use in patients with rheumatoid arthritis in a Medicaid population.

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