Please select the arm or intervention descriptions that belong to the clinical trial below.
Title: A Phase III Randomized, Double Blind, Double Dummy, Placebo Controlled, Multicenter, 4 Treatments, 3 Period Incomplete Block Crossover Study to Assess the Efficacy and Safety of Indacaterol 300 µg o.d. Dosed in the Evening in Patients With Moderate to Severe Chronic Obstructive Pulmonary Disease (COPD), Using Salmeterol 50 µg b.i.d. as Active Control
Brief Summary: This study was conducted to provide detailed information on the efficacy of indacaterol (in terms of the spirometry assessment forced expiratory volume in 1 second \[FEV1\]) over the full 24-h time period


Options:
A: Arm Label: Indacaterol 150 µg; Type: EXPERIMENTAL; Interventions: Drug: Indacaterol | Arm Label: Indacaterol 300 µg; Type: EXPERIMENTAL; Interventions: Drug: Indacaterol | Arm Label: Placebo; Type: PLACEBO_COMPARATOR; Interventions: Drug: Placebo | Intervention Type: DRUG; Name: Indacaterol; Assigned to Arm(s): Indacaterol 150 µg, Indacaterol 300 µg | Intervention Type: DRUG; Name: Placebo; Assigned to Arm(s): Placebo
B: Arm Label: Indacaterol 75 μg; Type: EXPERIMENTAL; Interventions: Drug: Indacaterol 75 μg | Arm Label: Placebo to indacaterol; Type: PLACEBO_COMPARATOR; Interventions: Drug: Placebo to indacaterol | Intervention Type: DRUG; Name: Indacaterol 75 μg; Assigned to Arm(s): Indacaterol 75 μg | Intervention Type: DRUG; Name: Placebo to indacaterol; Assigned to Arm(s): Placebo to indacaterol
C: Arm Label: Indacaterol 150 μg and tiotropium 18 μg; Type: EXPERIMENTAL; Interventions: Drug: Indacaterol 150 μg, Drug: Tiotropium 18 μg | Arm Label: Tiotropium 18 μg; Type: ACTIVE_COMPARATOR; Interventions: Drug: Tiotropium 18 μg, Drug: Placebo to indacaterol | Intervention Type: DRUG; Name: Indacaterol 150 μg; Assigned to Arm(s): Indacaterol 150 μg and tiotropium 18 μg | Intervention Type: DRUG; Name: Tiotropium 18 μg; Assigned to Arm(s): Indacaterol 150 μg and tiotropium 18 μg, Tiotropium 18 μg | Intervention Type: DRUG; Name: Placebo to indacaterol; Assigned to Arm(s): Tiotropium 18 μg
D: Arm Label: Indacaterol Morning,Indacaterol Evening, Salmeterol; Type: EXPERIMENTAL; Interventions: Drug: Indacaterol, Drug: Salmeterol, Drug: Placebo to Indacaterol, Drug: Placebo to Salmeterol | Arm Label: Indacaterol Evening,Indacaterol Morning, Placebo; Type: EXPERIMENTAL; Interventions: Drug: Indacaterol, Drug: Placebo to Indacaterol, Drug: Placebo to Salmeterol | Arm Label: Salmeterol, Placebo, Indacaterol Morning; Type: EXPERIMENTAL; Interventions: Drug: Indacaterol, Drug: Salmeterol, Drug: Placebo to Indacaterol, Drug: Placebo to Salmeterol | Arm Label: Placebo, Salmeterol, Indacaterol Evening; Type: EXPERIMENTAL; Interventions: Drug: Indacaterol, Drug: Salmeterol, Drug: Placebo to Indacaterol, Drug: Placebo to Salmeterol | Arm Label: Indacaterol Morning, Placebo, Indacaterol Evening; Type: EXPERIMENTAL; Interventions: Drug: Indacaterol, Drug: Placebo to Indacaterol, Drug: Placebo to Salmeterol | Arm Label: Indacaterol Evening,Salmeterol, Indacaterol Morning; Type: EXPERIMENTAL; Interventions: Drug: Indacaterol, Drug: Salmeterol, Drug: Placebo to Indacaterol, Drug: Placebo to Salmeterol | Arm Label: Salmeterol, Indacaterol Evening, Placebo; Type: EXPERIMENTAL; Interventions: Drug: Indacaterol, Drug: Salmeterol, Drug: Placebo to Indacaterol, Drug: Placebo to Salmeterol | Arm Label: Placebo, Indacaterol Morning, Salmeterol; Type: EXPERIMENTAL; Interventions: Drug: Indacaterol, Drug: Salmeterol, Drug: Placebo to Indacaterol, Drug: Placebo to Salmeterol | Arm Label: Indacaterol Morning, Salmeterol, Placebo; Type: EXPERIMENTAL; Interventions: Drug: Indacaterol, Drug: Salmeterol, Drug: Placebo to Indacaterol, Drug: Placebo to Salmeterol | Arm Label: Indacaterol Evening, Placebo, Salmeterol; Type: EXPERIMENTAL; Interventions: Drug: Indacaterol, Drug: Salmeterol, Drug: Placebo to Indacaterol, Drug: Placebo to Salmeterol | Arm Label: Salmeterol, Indacaterol Morning, Indacaterol Evening; Type: EXPERIMENTAL; Interventions: Drug: Indacaterol, Drug: Salmeterol, Drug: Placebo to Indacaterol, Drug: Placebo to Salmeterol | Arm Label: Placebo, Indacaterol Evening, Indacaterol Morning; Type: EXPERIMENTAL; Interventions: Drug: Indacaterol, Drug: Placebo to Indacaterol, Drug: Placebo to Salmeterol | Intervention Type: DRUG; Name: Indacaterol; Assigned to Arm(s): Indacaterol Evening, Placebo, Salmeterol, Indacaterol Evening,Indacaterol Morning, Placebo, Indacaterol Evening,Salmeterol, Indacaterol Morning, Indacaterol Morning, Placebo, Indacaterol Evening, Indacaterol Morning, Salmeterol, Placebo, Indacaterol Morning,Indacaterol Evening, Salmeterol, Placebo, Indacaterol Evening, Indacaterol Morning, Placebo, Indacaterol Morning, Salmeterol, Placebo, Salmeterol, Indacaterol Evening, Salmeterol, Indacaterol Evening, Placebo, Salmeterol, Indacaterol Morning, Indacaterol Evening, Salmeterol, Placebo, Indacaterol Morning | Intervention Type: DRUG; Name: Salmeterol; Assigned to Arm(s): Indacaterol Evening, Placebo, Salmeterol, Indacaterol Evening,Salmeterol, Indacaterol Morning, Indacaterol Morning, Salmeterol, Placebo, Indacaterol Morning,Indacaterol Evening, Salmeterol, Placebo, Indacaterol Morning, Salmeterol, Placebo, Salmeterol, Indacaterol Evening, Salmeterol, Indacaterol Evening, Placebo, Salmeterol, Indacaterol Morning, Indacaterol Evening, Salmeterol, Placebo, Indacaterol Morning | Intervention Type: DRUG; Name: Placebo to Indacaterol; Assigned to Arm(s): Indacaterol Evening, Placebo, Salmeterol, Indacaterol Evening,Indacaterol Morning, Placebo, Indacaterol Evening,Salmeterol, Indacaterol Morning, Indacaterol Morning, Placebo, Indacaterol Evening, Indacaterol Morning, Salmeterol, Placebo, Indacaterol Morning,Indacaterol Evening, Salmeterol, Placebo, Indacaterol Evening, Indacaterol Morning, Placebo, Indacaterol Morning, Salmeterol, Placebo, Salmeterol, Indacaterol Evening, Salmeterol, Indacaterol Evening, Placebo, Salmeterol, Indacaterol Morning, Indacaterol Evening, Salmeterol, Placebo, Indacaterol Morning | Intervention Type: DRUG; Name: Placebo to Salmeterol; Assigned to Arm(s): Indacaterol Evening, Placebo, Salmeterol, Indacaterol Evening,Indacaterol Morning, Placebo, Indacaterol Evening,Salmeterol, Indacaterol Morning, Indacaterol Morning, Placebo, Indacaterol Evening, Indacaterol Morning, Salmeterol, Placebo, Indacaterol Morning,Indacaterol Evening, Salmeterol, Placebo, Indacaterol Evening, Indacaterol Morning, Placebo, Indacaterol Morning, Salmeterol, Placebo, Salmeterol, Indacaterol Evening, Salmeterol, Indacaterol Evening, Placebo, Salmeterol, Indacaterol Morning, Indacaterol Evening, Salmeterol, Placebo, Indacaterol Morning

Answer: D