학술논문

Real-life effectiveness and safety of the inhalation suspension budesonide comparator vs the originator product for the treatment of patients with asthma: a historical cohort study using a US health claims database
ORIGINAL RESEARCH
Document Type
Report
Source
Pragmatic and Observational Research. Annual 2017, Vol. 8, p69, 14 p.
Subject
Drug therapy
Usage
Health aspects
Respiratory system agents -- Usage -- Health aspects
Asthma -- Drug therapy
Language
English
ISSN
1179-7266
Abstract
Introduction According to the recent data, as many as 334 million people suffer from asthma worldwide. (1) In the US alone, it is estimated that 22,648,000 people have asthma and [...]
Objective: The objective of this study was to determine whether the effectiveness of budesonide comparator is non-inferior to budesonide reference in the prevention of asthma exacerbations. Asthma-related hospitalizations and safety were also examined. Methods: This study used a matched, historic cohort design. Data were drawn from the Clinformatics[TM] Data Mart US claims database and included a 1-year baseline, starting 1 year before the index prescription date, and a 1-year outcome period. Patients received budesonide comparator or reference treatment. The primary outcome was the rate of asthma exacerbations. Non-inferiority for budesonide comparator vs budesonide reference was established if the 95% confidence interval (CI) upper limit of mean difference in proportions between treatments was Results: The budesonide comparator and reference-matched cohorts each included 3109 patients. The adjusted upper 95% CI for the difference in proportions of patients experiencing asthma exacerbations was 0.035 (3.5%), demonstrating non-inferiority. Cohorts did not significantly differ in the rate of asthma exacerbations (adjusted rate ratio [RR]=1.04, 95% CI: 0.95-1.14) or rate of asthma-related hospitalizations (adjusted RR=1.10, 95% CI: 0.99-1.24) after adjusting for baseline confounders. No asthma exacerbations occurred during the outcome period in 72.9% of budesonide comparator patients and 71.8% of budesonide reference patients. No asthma-related hospitalizations occurred in 77.9% of patients in the budesonide comparator cohort and 79.0% of patients in the budesonide reference cohort. The most frequent AEs were throat irritation ([less than or equal to]0.4% of patients) and hoarseness/dysphonia (0.02% of patients). AEs did not significantly differ between treatment cohorts. Conclusion: In this real-life study, non-inferiority of the budesonide comparator vs reference was met for the primary end point of asthma exacerbation rates. Asthma-related hospitalization and AE rates did not differ between the two treatment cohorts. The budesonide comparator is an effective and safe treatment alternative for asthma exacerbations. Keywords: generic/therapeutic use, exacerbation, hospitalization, asthma control, asthma medication