Please select the arm or intervention descriptions that belong to the clinical trial below.
Title: A Randomized, Phase IIIb, Two-period, Two-treatment Double-blind, Multi-center, Crossover Study to Evaluate the 24-hour Lung Function Profile in Subjects With Moderate to Very Severe COPD After 4 Weeks of Treatment With PT003 and Placebo MDI
Brief Summary: Randomized, Phase IIIb, Two-period, Two-treatment Double-blind, Multi-center, Crossover Study to Evaluate the 24-hour Lung Function Profile in Subjects with Moderate to Very Severe COPD after 4 Weeks of Treatment with PT003 and Placebo MDI


Options:
A: Arm Label: Tiotropium + olodaterol High dose QD; Type: EXPERIMENTAL; Interventions: Drug: tiotropium + olodaterol, Device: Respimat | Arm Label: Tiotropium + olodaterol Low dose QD; Type: EXPERIMENTAL; Interventions: Drug: Tiotropium + Olodaterol, Device: Respimat | Arm Label: Tiotropium 5 mcg QD; Type: ACTIVE_COMPARATOR; Interventions: Drug: Tiotropium, Device: Respimat | Arm Label: Olodaterol 5 mcg QD; Type: ACTIVE_COMPARATOR; Interventions: Drug: Olodaterol, Device: Respimat | Arm Label: Placebo QD; Type: PLACEBO_COMPARATOR; Interventions: Drug: Placebo, Device: Respimat | Intervention Type: DRUG; Name: Placebo; Assigned to Arm(s): Placebo QD | Intervention Type: DRUG; Name: Tiotropium; Assigned to Arm(s): Tiotropium 5 mcg QD | Intervention Type: DRUG; Name: Olodaterol; Assigned to Arm(s): Olodaterol 5 mcg QD | Intervention Type: DRUG; Name: tiotropium + olodaterol; Assigned to Arm(s): Tiotropium + olodaterol High dose QD | Intervention Type: DRUG; Name: Tiotropium + Olodaterol; Assigned to Arm(s): Tiotropium + olodaterol Low dose QD | Intervention Type: DEVICE; Name: Respimat; Assigned to Arm(s): Olodaterol 5 mcg QD, Placebo QD, Tiotropium + olodaterol High dose QD, Tiotropium + olodaterol Low dose QD, Tiotropium 5 mcg QD
B: Arm Label: GFF MDI (PT003); Type: EXPERIMENTAL; Interventions: Drug: GFF MDI (PT003) | Arm Label: Placebo MDI; Type: PLACEBO_COMPARATOR; Interventions: Drug: Placebo MDI | Intervention Type: DRUG; Name: GFF MDI (PT003); Assigned to Arm(s): GFF MDI (PT003) | Intervention Type: DRUG; Name: Placebo MDI; Assigned to Arm(s): Placebo MDI
C: Arm Label: tiotropium+olodaterol low dose; Type: EXPERIMENTAL; Interventions: Device: Respimat inhaler, Drug: tiotropium+olodaterol (low dose) | Arm Label: tiotropium+olodaterol high dose; Type: EXPERIMENTAL; Interventions: Drug: tiotropium + olodaterol (high dose), Device: Respimat inhaler | Arm Label: placebo; Type: PLACEBO_COMPARATOR; Interventions: Device: Respimat inhaler, Drug: placebo to tiotropium+olodaterol | Intervention Type: DEVICE; Name: Respimat inhaler; Assigned to Arm(s): tiotropium+olodaterol low dose | Intervention Type: DRUG; Name: tiotropium+olodaterol (low dose); Assigned to Arm(s): tiotropium+olodaterol low dose | Intervention Type: DRUG; Name: tiotropium + olodaterol (high dose); Assigned to Arm(s): tiotropium+olodaterol high dose | Intervention Type: DEVICE; Name: Respimat inhaler; Assigned to Arm(s): tiotropium+olodaterol high dose | Intervention Type: DEVICE; Name: Respimat inhaler; Assigned to Arm(s): placebo | Intervention Type: DRUG; Name: placebo to tiotropium+olodaterol; Assigned to Arm(s): placebo
D: Arm Label: GSK573719/GW642444; Type: EXPERIMENTAL; Interventions: Drug: 62.5/25mcg | Arm Label: GSK573719; Type: EXPERIMENTAL; Interventions: Drug: 62.5mcg | Arm Label: GW642444; Type: EXPERIMENTAL; Interventions: Drug: 25mcg | Arm Label: Placebo; Type: PLACEBO_COMPARATOR; Interventions: Drug: Placebo | Intervention Type: DRUG; Name: 62.5/25mcg; Assigned to Arm(s): GSK573719/GW642444 | Intervention Type: DRUG; Name: 62.5mcg; Assigned to Arm(s): GSK573719 | Intervention Type: DRUG; Name: 25mcg; Assigned to Arm(s): GW642444 | Intervention Type: DRUG; Name: Placebo; Assigned to Arm(s): Placebo

Answer: B