Intraclass Difference in Pneumonia Risk with Fluticasone and Budesonide in COPD: A Systematic Review of Evidence from Direct-Comparison Studies
Authors Lodise TP, Li J, Gandhi HN, O’Brien G, Sethi S
Received 27 June 2020
Accepted for publication 23 September 2020
Published 11 November 2020 Volume 2020:15 Pages 2889—2900
Checked for plagiarism Yes
Review by Single anonymous peer review
Peer reviewer comments 2
Editor who approved publication: Dr Richard Russell
Thomas P Lodise,1 Jingyi Li,2 Hitesh N Gandhi,3 Gerald O’Brien,3 Sanjay Sethi4
1Department of Pharmacy Practice, Albany College Pharmacy and Health Sciences, Albany, NY, USA; 2Global Medical Affairs, AstraZeneca, Gaithersburg, MD, USA; 3US Respiratory Medical, AstraZeneca, Wilmington, DE, USA; 4Department of Medicine, University of Buffalo Jacobs School of Medicine and Biomedical Sciences, Buffalo, NY, USA
Correspondence: Sanjay Sethi
Clinical and Translational Research Center, 875 Ellicott St., Room 6045A, Buffalo, NY 14215, USA
Background: Inhaled corticosteroids (ICS) are widely used and recommended to treat chronic obstructive pulmonary disease (COPD). While generally considered safe, several studies demonstrated an increased risk of pneumonia with the use of ICS in COPD patients. Although all ICS indicated for COPD carry the class labeling warning of increased pneumonia risk, evidence suggests an intraclass difference in the risk of pneumonia between inhaled budesonide and fluticasone. To date, systematic reviews of direct-comparison studies have not been performed to assess if an intraclass difference exists.
Research Question: This review investigated whether there is an intraclass difference in risk of pneumonia between inhaled fluticasone and budesonide, the 2 most commonly used ICS in COPD.
Study Design and Methods: A search of the medical literature was conducted in PubMed and Embase for the time period of 01/01/69– 05/31/19. The search strategy combined terms that defined the patient/disease type, exposures, outcome, and the study/publication type. Descriptive and comparative statistics reported for fluticasone- and budesonide-containing products in each study, including data for pneumonia event subgroups, were extracted and reported by dose, seriousness, or practice setting. Controlled clinical trials and observational studies meeting the inclusion criteria were assessed for methodologic quality by using the appropriate tool from the list of study quality assessment tools developed by the National Institutes of Health.
Results: The summary relative risk (RR) ratio across 5 included studies (57,199 patients) was 1.13 (95% CI: 1.09– 1.19), representing a 13.5% increased risk of pneumonia among fluticasone users compared to budesonide users. Similarly, summary RR ratio for serious pneumonia implied a 14.4% increased risk of serious pneumonia among fluticasone users compared to budesonide users (pooled RR: 1.14; 95% CI: 1.09– 1.20).
Interpretation: There is likely a clinically important intraclass difference in the risk of pneumonia between fluticasone- and budesonide-containing inhaled medications in COPD.
Keywords: inhaled corticosteroids, pneumonia, COPD