Skip to main content
. 2020 Jan 8;15:43–56. doi: 10.2147/COPD.S223638

Table 2.

Primary And Secondary Lung Function Endpoints (China ITT Population)

GFF MDI 18/9.6 µg GP MDI 18 µg FF MDI 9.6 µg Placebo MDI
Primary endpoint
Change from baseline in morning pre-dose trough FEV1 at Week 24, mL
 n 126 110 116 54
 LSM (SE) 133 (17.3) 35 (18.7) 29 (18.1) −39 (−26.6)
 Treatment difference for GFF MDI vs monocomponents and placebo MDI
 LSM (95% CI) NA 98 (48, 148) 104 (55, 153) 173 (110, 235)
P-value NA 0.0001 <0.0001 <0.0001
Secondary endpoints
Change from baseline in morning pre-dose trough FEV1 over 24 weeksa, mL
 n 143 121 131 60
 LSM (SE) 143 (13.3) 64 (14.5) 50 (13.9) −20 (20.6)
 Treatment difference for GFF MDI vs monocomponents and placebo MDI
 LSM (95% CI) NA 79 (40, 118) 93 (55, 131) 163 (115, 212)
P-value NA <0.0001 <0.0001 <0.0001
Peak change from baseline in FEV1 within 2 hrs post-dosing at Week 24, mL
 n 128 110 116 54
 LSM (SE) 377 (19.7) 195 (21.3) 226 (20.7) 72 (30.3)
 Treatment difference for GFF MDI vs monocomponents and placebo MDI
 LSM (95% CI) NA 182 (125, 239) 151 (95, 207) 305 (234, 376)
P-value NA <0.0001 <0.0001 <0.0001
Onset of action on Day 1 (change from baseline in FEV1), mL
 Difference vs placebo MDI at 5 mins post-dose
 n 119 104 118 52
 LSM (95% CI) 184 (150, 219) 34 (−1, 70) 169 (135, 204) NA
P-value <0.0001 0.0557 <0.0001 NA
 Difference vs placebo MDI at 15 mins post-dose
 n 143 117 132 62
 LSM (95% CI) 225 (189, 262) 76 (38, 113) 193 (156, 230) NA
P-value <0.0001 <0.0001 <0.0001 NA

Note: aMorning pre-dose trough FEV1 over 24 weeks was based on assessments at Weeks 2, 4, 8, 12, 16, 20, and 24. All p-values <0.05 should only be interpreted in terms of nominal significance as the analyses in the Chinese subgroup were considered exploratory.

Abbreviations: CI, confidence interval; FEV1, forced expiratory volume in 1 second; FF, formoterol fumarate; GFF, glycopyrrolate/formoterol fumarate; GP, glycopyrrolate; ITT, intent-to-treat; LSM, least squares mean; MDI, metered dose inhaler; NA, not applicable; SE, standard error.