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Impact of changes to reimbursement of fixed combinations of inhaled corticosteroids and long-acting ?? -agonists in obstructive lung diseases: a population-based, observational study.

ABSTRACT: In 2010, the Icelandic government introduced a new cost-saving policy that limited reimbursement of fixed inhaled corticosteroid/long-acting ?? -agonist (ICS/LABA) combinations.This population-based, retrospective, observational study assessed the effects of this policy change by linking specialist/primary care medical records with data from the Icelandic Pharmaceutical Database. The policy change took effect on 1 January 2010 (index date); data for the year preceding and following this date were analysed in 8241 patients with controlled/partly controlled asthma and/or chronic obstructive pulmonary disease (COPD) who had been dispensed an ICS/LABA during 2009. Oral corticosteroid (OCS) and short-acting ?? -agonist (SABA) use, and healthcare visits, were assessed pre- and post-index.The ICS/LABA reimbursement policy change led to 47.8% fewer fixed ICS/LABA combinations being dispensed during the post-index period among patients whose asthma and/or COPD was controlled/partly controlled during the pre-index period. Fewer ICS monocomponents were also dispensed. A total of 48.6% of patients were no longer receiving any respiratory medications after the policy change. This was associated with reduced disease control, as demonstrated by more healthcare visits (44.0%), and more OCS (76.3%) and SABA (51.2%) dispensations.Overall, these findings demonstrate that changes in healthcare policy and medication reimbursement can directly impact medication use and, consequently, clinical outcomes and should, therefore, be made cautiously.

SUBMITTER: Bjornsdottir US

PROVIDER: S-EPMC4309409 | biostudies-literature | 2014 Jul

REPOSITORIES: biostudies-literature

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Impact of changes to reimbursement of fixed combinations of inhaled corticosteroids and long-acting β₂ -agonists in obstructive lung diseases: a population-based, observational study.

Björnsdóttir U S US Sigurðardóttir S T ST Jonsson J S JS Jonsson M M Telg G G Thuresson M M Naya I I Gizurarson S S

International journal of clinical practice 20140701 7

<h4>Background</h4>In 2010, the Icelandic government introduced a new cost-saving policy that limited reimbursement of fixed inhaled corticosteroid/long-acting β₂ -agonist (ICS/LABA) combinations.<h4>Methods</h4>This population-based, retrospective, observational study assessed the effects of this policy change by linking specialist/primary care medical records with data from the Icelandic Pharmaceutical Database. The policy change took effect on 1 January 2010 (index date); data for the year pr ...[more]

PMID: 24942308

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Project description:BackgroundSuboptimal adherence to maintenance medication has been associated with poor outcomes in asthma. This study examined single-inhaler inhaled corticosteroid (ICS)/long-acting β2 agonist (LABA) adherence and asthma-related outcomes.MethodsThis retrospective observational study of patients with asthma initiating ICS/LABA used data from IQVIA PharMetrics Plus (1 January 2014-31 March 2019). Patients included were ⩾18 years old and had ⩾12 months continuous eligibility before, and ⩾180 days follow-up after, the index date. Adherence was measured as proportion of days covered ([PDC] adherent ⩾ 0.8; non-adherent <0.8) each quarter, with outcomes measured each subsequent quarter. Endpoints were asthma-related overall and severe (inpatient/emergency department [ED] visit) exacerbations, rescue medication use, and asthma-related healthcare resource utilization and costs. Regression models evaluated associations between adherence and outcomes, controlling for repeated measures and differences in baseline characteristics.ResultsOverall, 50,037 patients were included (mean age 45.3 years; mean follow-up 23.3 months). Adherent patients were less likely to experience asthma-related overall (adjusted odds ratio [aOR] 95% confidence interval [CI]: 0.942 [0.890, 0.998]; p = 0.041), or severe exacerbations (aOR [95% CI]: 0.778 [0.691, 0.877]; p < 0.001) per quarter versus non-adherent patients. Adherent patients had lower severe exacerbation rates (adjusted rate ratio [aRR] [95% CI]: 0.792 [0.702, 0.893]; p < 0.001) but similar overall exacerbation rates (aRR [95% CI]: 0.993 [0.945, 1.044]; p = 0.783) versus non-adherent patients. The odds of rescue medication use were lower per 20% PDC increase (aOR [95% CI] short-acting β2 agonist: 0.991 [0.985, 0.996]; p = 0.001; oral corticosteroid: 0.988 [0.982, 0.995]; p < 0.001). Adherent patients were less likely to visit EDs per quarter (aOR [95% CI]: 0.775 [0.680, 0.883]; p < 0.001) and odds of hospitalization were lower per 20% PDC increase (aOR [95% CI]: 0.930 [0.881, 0.982]; p = 0.009). Across most measures, adherent patients incurred lower costs.ConclusionThis real-world study highlights the short-term clinical and economic benefits of ICS/LABA adherence in asthma, particularly in reducing severe exacerbations.

Dataset Information

Impact of changes to reimbursement of fixed combinations of inhaled corticosteroids and long-acting ?? -agonists in obstructive lung diseases: a population-based, observational study.

Publications

Impact of changes to reimbursement of fixed combinations of inhaled corticosteroids and long-acting β₂ -agonists in obstructive lung diseases: a population-based, observational study.

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