Please select the arm or intervention descriptions that belong to the clinical trial below.
Title: A Randomized, Phase IIIb, Three-period, Three-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, Open-Label Spiriva® Respimat® (Tiotropium Bromide) as an Active Control, and Placebo
Brief Summary: Randomized, Phase IIIb, Three-period, Three-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, Open-Label Spiriva® Respimat® (Tiotropium Bromide) as an Active Control, and Placebo.


Options:
A: Arm Label: GFF MDI (PT003); Type: EXPERIMENTAL; Interventions: Drug: GFF MDI (PT003) | Arm Label: Placebo MDI; Type: PLACEBO_COMPARATOR; Interventions: Drug: Placebo MDI | Arm Label: Spiriva® Respimat® (Tiotropium Bromide); Type: ACTIVE_COMPARATOR; Interventions: Drug: Spiriva® Respimat® (Tiotropium Bromide) | 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 | Intervention Type: DRUG; Name: Spiriva® Respimat® (Tiotropium Bromide); Assigned to Arm(s): Spiriva® Respimat® (Tiotropium Bromide)
B: 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
C: Arm Label: Treatment sequence I; Type: ACTIVE_COMPARATOR; Interventions: Drug: QVA149, Drug: Placebo | Arm Label: Treatment sequence II; Type: ACTIVE_COMPARATOR; Interventions: Drug: QVA149, Drug: Placebo | Intervention Type: DRUG; Name: QVA149; Assigned to Arm(s): Treatment sequence I, Treatment sequence II | Intervention Type: DRUG; Name: Placebo; Assigned to Arm(s): Treatment sequence I, Treatment sequence II
D: Arm Label: GSK573719/GW642444 125/25; Type: EXPERIMENTAL; Interventions: Drug: GSK573719/GW642444 125/25 | Arm Label: GSK573719/GW642444 62.5/25; Type: EXPERIMENTAL; Interventions: Drug: GSK573719/GW642444 62.5/25 | Arm Label: GSK573719; Type: EXPERIMENTAL; Interventions: Drug: GSK573719 | Arm Label: tiotropium bromide; Type: ACTIVE_COMPARATOR; Interventions: Drug: tiotropium bromide | Intervention Type: DRUG; Name: GSK573719/GW642444 125/25; Assigned to Arm(s): GSK573719/GW642444 125/25 | Intervention Type: DRUG; Name: GSK573719/GW642444 62.5/25; Assigned to Arm(s): GSK573719/GW642444 62.5/25 | Intervention Type: DRUG; Name: GSK573719; Assigned to Arm(s): GSK573719 | Intervention Type: DRUG; Name: tiotropium bromide; Assigned to Arm(s): tiotropium bromide

Answer: A