Dataset Information

Persistence with Biological Disease-modifying Antirheumatic Drugs and Its Associated Resource Utilization and Costs.

ABSTRACT:

Objective

The study assessed persistence rates of biological disease-modifying antirheumatic drugs (bDMARDs) for the treatment of rheumatoid arthritis in Japan and compared resource utilization and treatment costs between persistence and non-persistence groups.

Methods

Data were extracted from a Japanese claims database between 2009 and 2015. bDMARD-naïve patients were identified and included in the final analysis. Survival analysis was used to estimate 1-year persistence rates for current bDMARDs. Propensity score matching was applied to control for potential treatment selection bias. Resource utilization and healthcare costs were calculated 1 year before and after initiation of bDMARDs and compared between persistence and non-persistence groups.

Results

A total of 6153 bDMARD-naïve patients were identified and the overall 1-year persistence rate was 85% (95% CI 84-86). Overall, 1-year outpatient visits increased from 10 at baseline to 16 after bDMARD treatment, while the number of hospital admissions declined from 3.3 to 1.6. The non-persistence group had a larger increase in outpatient visits after bDMARD initiation compared with the persistence group (8-16 vs. 10-16, respectively) and a smaller decrease in hospital admissions (3.1-1.9 vs. 3.5-1.4, respectively). Persistence was associated with a reduction in total healthcare costs of US$760.

Conclusions

Japanese bDMARD-naïve patients with RA have a high persistence rate with those treatments. The reduction in medication costs in non-persistent patients is offset by higher hospitalization costs, making non-persistence more expensive.

SUBMITTER: Sruamsiri R

PROVIDER: S-EPMC6119169 | biostudies-literature | 2018 Sep

REPOSITORIES: biostudies-literature

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Publications

Persistence with Biological Disease-modifying Antirheumatic Drugs and Its Associated Resource Utilization and Costs.

Sruamsiri Rosarin R Kameda Hideto H Mahlich Jörg J

Drugs - real world outcomes 20180901 3

<h4>Objective</h4>The study assessed persistence rates of biological disease-modifying antirheumatic drugs (bDMARDs) for the treatment of rheumatoid arthritis in Japan and compared resource utilization and treatment costs between persistence and non-persistence groups.<h4>Methods</h4>Data were extracted from a Japanese claims database between 2009 and 2015. bDMARD-naïve patients were identified and included in the final analysis. Survival analysis was used to estimate 1-year persistence rates fo ...[more]

PMID: 30073580

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Project description:ObjectivesBiological disease-modifying antirheumatic drugs (bDMARDs) have shown diminished clinical response following an inadequate response (IR) to ≥1 previous bDMARD. Here, tofacitinib was compared with placebo in patients with an IR to conventional synthetic DMARDs (csDMARDs; bDMARD-naive) and in patients with an IR to bDMARDs (bDMARD-IR).MethodsData were taken from phase II and phase III studies of tofacitinib in patients with rheumatoid arthritis (RA). Patients received tofacitinib 5 or 10 mg twice daily, or placebo, as monotherapy or with background methotrexate or other csDMARDs. Efficacy endpoints and incidence rates of adverse events (AEs) of special interest were assessed.Results2812 bDMARD-naive and 705 bDMARD-IR patients were analysed. Baseline demographics and disease characteristics were generally similar between treatment groups within subpopulations. Across subpopulations, improvements in efficacy parameters at month 3 were generally significantly greater for both tofacitinib doses versus placebo. Clinical response was numerically greater with bDMARD-naive versus bDMARD-IR patients (overlapping 95% CIs). Rates of safety events of special interest were generally similar between tofacitinib doses and subpopulations; however, patients receiving glucocorticoids had more serious AEs, discontinuations due to AEs, serious infection events and herpes zoster. Numerically greater clinical responses and incidence rates of AEs of special interest were generally reported for tofacitinib 10 mg twice daily versus tofacitinib 5 mg twice daily (overlapping 95% CIs).ConclusionsTofacitinib demonstrated efficacy in both bDMARD-naive and bDMARD-IR patients with RA. Clinical response to tofacitinib was generally numerically greater in bDMARD-naive than bDMARD-IR patients. The safety profile appeared similar between subpopulations.Trial registration numbers(NCT00413660, NCT00550446, NCT00603512, NCT00687193, NCT00960440, NCT00847613, NCT00814307, NCT00856544, NCT00853385).

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Dataset Information

Persistence with Biological Disease-modifying Antirheumatic Drugs and Its Associated Resource Utilization and Costs.

Objective

Methods

Results

Conclusions

Publications

Persistence with Biological Disease-modifying Antirheumatic Drugs and Its Associated Resource Utilization and Costs.

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