Please select the arm or intervention descriptions that belong to the clinical trial below.
Title: A Randomized, Double-blind, Placebo Controlled, Multicenter, 3-period Crossover Study to Compare the Effect of Indacaterol (150μg o.d.) on Inspiratory Capacity to Placebo in Patients With Moderate COPD, Using Open Label Tiotropium (18μg o.d.) as Active Control
Brief Summary: This study is being conducted to assess the effect of indacaterol (150 μg o.d.) on inspiratory capacity (IC), using placebo and open label tiotropium (18 μg o.d.) as comparators in patients with moderate chronic obstructive pulmonary disease (COPD). In particular, spirometric timepoints are included to elucidate the peak-IC in a period of approximately 4 hour post inhalation


Options:
A: Arm Label: patients with COPD; Type: N/A; Interventions: N/A | Arm Label: smoking controls; Type: N/A; Interventions: N/A | Arm Label: non-smoking controls; Type: N/A; Interventions: N/A
B: Arm Label: resistance training; Type: EXPERIMENTAL; Interventions: Other: Resistance training | Arm Label: Control; Type: NO_INTERVENTION; Interventions: N/A | Intervention Type: OTHER; Name: Resistance training; Assigned to Arm(s): resistance training
C: Arm Label: Indacaterol - placebo - tiotropium; Type: EXPERIMENTAL; Interventions: Drug: Indacaterol, Drug: Tiotropium, Drug: Placebo | Arm Label: Placebo - Tiotropium - Indacaterol; Type: EXPERIMENTAL; Interventions: Drug: Indacaterol, Drug: Tiotropium, Drug: Placebo | Arm Label: Tiotropium - indacaterol - placebo; Type: EXPERIMENTAL; Interventions: Drug: Indacaterol, Drug: Tiotropium, Drug: Placebo | Arm Label: Placebo - indacaterol - tiotropium; Type: EXPERIMENTAL; Interventions: Drug: Indacaterol, Drug: Tiotropium, Drug: Placebo | Arm Label: Indacaterol - tiotropium - placebo; Type: EXPERIMENTAL; Interventions: Drug: Indacaterol, Drug: Tiotropium, Drug: Placebo | Arm Label: Tiotropium - placebo - indacaterol; Type: EXPERIMENTAL; Interventions: Drug: Indacaterol, Drug: Tiotropium, Drug: Placebo | Intervention Type: DRUG; Name: Indacaterol; Assigned to Arm(s): Indacaterol - placebo - tiotropium, Indacaterol - tiotropium - placebo, Placebo - Tiotropium - Indacaterol, Placebo - indacaterol - tiotropium, Tiotropium - indacaterol - placebo, Tiotropium - placebo - indacaterol | Intervention Type: DRUG; Name: Tiotropium; Assigned to Arm(s): Indacaterol - placebo - tiotropium, Indacaterol - tiotropium - placebo, Placebo - Tiotropium - Indacaterol, Placebo - indacaterol - tiotropium, Tiotropium - indacaterol - placebo, Tiotropium - placebo - indacaterol | Intervention Type: DRUG; Name: Placebo; Assigned to Arm(s): Indacaterol - placebo - tiotropium, Indacaterol - tiotropium - placebo, Placebo - Tiotropium - Indacaterol, Placebo - indacaterol - tiotropium, Tiotropium - indacaterol - placebo, Tiotropium - placebo - indacaterol
D: 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

Answer: C