Comparative Study on the effectiveness of Glycopyrrolate/Formoterol versus Tiotropium/Formoterol in patients with Chronic Obstructive Pulmonary Disease
التفاصيل البيبلوغرافية
العنوان:
Comparative Study on the effectiveness of Glycopyrrolate/Formoterol versus Tiotropium/Formoterol in patients with Chronic Obstructive Pulmonary Disease
Background: Chronic Obstructive Pulmonary Disease (COPD) has several implications on health, lifestyle, and economic burden. Combinational therapy using muscarinic antagonists and beta-2 agonists has long been warranted for use as maintenance therapy. A lack of studies directly comparing Glycopyrrolate/Formoterol (GFF) versus Tiotropium/Formoterol (TFF) was observed which led us to analyze the effectiveness of these combinations. Methods: In this pilot, prospective, randomized, open-label, parallel-arm, 12-week period study, 60 patients with COPD (moderate-severe) were randomized in a 1:1 ratio to receive either GFF or TFF (n = 30 each). The primary outcome was to demonstrate non-inferiority between the two groups concerning FEV1 for 12 weeks. The secondary outcome was the assessment of the ratio of FEV1/FVC and state of health evaluation by St. George's Respiratory Questionnaire (SGRQ). Results: Out of 60 participants, 58 subjects completed the study. At week 12, the mean and standard deviation value of FEV1 between groups were 1.49 ± 0.38 and 1.38 ± 0.30 (p > 0.05) and FEV1/FVC ratio were 0.67 ± 0.09 and 0.74 ± 0.08 (p
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