Please select the arm or intervention descriptions that belong to the clinical trial below.
Title: A Randomized, Blinded, Double Dummy, Multi-center, Placebo Controlled, 3 Period, Crossover Study to Assess the Effect of QVA149 (110/50 µg o.d.) on Exercise Endurance in Patients With Moderate to Severe Chronic Obstructive Pulmonary Disease (COPD), Using Tiotropium as an Active Control.
Brief Summary: This study assessed the effect of once-daily indacaterol and glycopyrronium bromide (QVA149) on exercise endurance in patients with moderate to severe Chronic Obstructive Pulmonary Disease (COPD).


Options:
A: Arm Label: indacaterol and glycopyrronium bromide (QVA149); Type: EXPERIMENTAL; Interventions: Drug: indacaterol and glycopyrronium bromide (QVA149) | Arm Label: placebo; Type: PLACEBO_COMPARATOR; Interventions: Drug: placebo | Arm Label: tiotropium; Type: ACTIVE_COMPARATOR; Interventions: Drug: tiotropium | Intervention Type: DRUG; Name: indacaterol and glycopyrronium bromide (QVA149); Assigned to Arm(s): indacaterol and glycopyrronium bromide (QVA149) | Intervention Type: DRUG; Name: placebo; Assigned to Arm(s): placebo | Intervention Type: DRUG; Name: tiotropium; Assigned to Arm(s): tiotropium
B: Arm Label: QVA149; Type: EXPERIMENTAL; Interventions: Drug: indacaterol and glycopyrronium (QVA149), Drug: Placebo to fluticasone/salmeterol | Arm Label: fluticasone/salmeterol; Type: ACTIVE_COMPARATOR; Interventions: Drug: fluticasone/salmeterol, Drug: Placebo to indacaterol and glycopyrronium (QVA149) | Intervention Type: DRUG; Name: indacaterol and glycopyrronium (QVA149); Assigned to Arm(s): QVA149 | Intervention Type: DRUG; Name: Placebo to fluticasone/salmeterol; Assigned to Arm(s): QVA149 | Intervention Type: DRUG; Name: fluticasone/salmeterol; Assigned to Arm(s): fluticasone/salmeterol | Intervention Type: DRUG; Name: Placebo to indacaterol and glycopyrronium (QVA149); Assigned to Arm(s): fluticasone/salmeterol
C: 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
D: 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

Answer: A