Early bronchodilator action of glycopyrronium versus tiotropium in moderate-to-severe COPD patients: a cross-over blinded randomized study (Symptoms and Pulmonary function in the moRnING)
Authors Marin JM, Beeh KM, Clemens A, Castellani W, Schaper L, Saralaya D, Gunstone A, Casamor R, Kostikas K, Aalamian-Mattheis M
Received 9 February 2016
Accepted for publication 21 May 2016
Published 28 June 2016 Volume 2016:11(1) Pages 1425—1434
Checked for plagiarism Yes
Review by Single-blind
Peer reviewers approved by Dr Charles Downs
Peer reviewer comments 2
Editor who approved publication: Dr Richard Russell
Jose M Marin,1 Kai M Beeh,2 Andreas Clemens,3 Walter Castellani,4 Lennart Schaper,5 Dinesh Saralaya,6 Anthony Gunstone,7 Ricard Casamor,8 Konstantinos Kostikas,3 Maryam Aalamian-Mattheis3
1University Hospital Miguel Servet, IISAragón, CIBERES, Zaragoza, Spain; 2Insaf Respiratory Research Institute, Wiesbaden, Germany; 3Novartis Pharma AG, Basel, Switzerland; 4Hospital Piero Palagi, Fiorenze, Italy; 5Research Institute and Practice, Berlin-Brandenburg, Germany; 6Bradford Teaching Hospitals NHS Foundation Trust, Bradford, UK; 7Staploe Medical Center, Soham, Cambridge, UK; 8Novartis Farmaceutica SA, Barcelona, Spain
Background: Morning symptoms associated with COPD have a negative impact on patients’ quality of life. Long-acting bronchodilators with rapid onset may relieve patients’ symptoms. In the Symptoms and Pulmonary function in the moRnING study, we prospectively compared the rapid onset bronchodilator profile of glycopyrronium (GLY) and tiotropium (TIO) during the first few hours after dosing in patients with moderate-to-severe COPD.
Methods: Patients were randomized (1:1) to receive either once-daily GLY (50 µg) or TIO (18 µg) and corresponding placebos in a cross-over design for 28 days. The primary objective was to demonstrate the superiority of GLY versus TIO in area under the curve from 0 to 4 hours (AUC0-4h) forced expiratory volume in 1 second (FEV1) after the first dose. The secondary objective was to compare GLY versus TIO using the patient reported outcomes Morning COPD Symptoms Questionnaire 3 hours post-inhalation.
Results: One-hundred and twenty-six patients were randomized (male 70.2%; mean age 65.7 years) and 108 patients completed the study. On Day 1, GLY resulted in significantly higher FEV1 AUC0-4h after the first dose versus TIO (treatment difference [Δ], 0.030 L, 95% confidence interval 0.004–0.056, P=0.025). Improvements in morning COPD symptoms from baseline at Days 1 and 28 were similar between GLY and TIO. Post hoc analysis of the FEV1 AUC0-4h by time point on Day 1 showed significant improvements in patients receiving GLY versus TIO at 5 minutes (Δ=0.029 L, P=0.015), 15 minutes (Δ=0.033 L, P=0.026), and 1 hour (Δ=0.044 L, P=0.014). Safety results were comparable between both treatments.
Conclusion: The SPRING study demonstrates the superiority of GLY versus TIO in terms of superior bronchodilation in the first 4 hours after administration, thus extending the clinical data that support a faster onset of action of GLY versus TIO.
Keywords: LAMA, glycopyrronium, tiotropium, lung function, fast onset, rapid onset, patient reported outcome, COPD
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