Please select the arm or intervention descriptions that belong to the clinical trial below.
Title: A Randomized, Double-blind, Placebo-controlled, Parallel Group Trial Assessing the Rate of Decline of Lung Function With Tiotropium 18 mcg Inhalation Capsule Once Daily in Patients With Chronic Obstructive Pulmonary Disease (COPD).
Brief Summary: The primary objective of this trial is to determine whether daily treatment with tiotropium (Spiriva®, Bromuro de Tiotropio®) inhalation capsule via HandiHaler® reduces the rate of decline in lung function over time in patients with COPD.


Options:
A: Intervention Type: DRUG; Name: tiotropium; Assigned to Arm(s): N/A | Intervention Type: DRUG; Name: placebo; Assigned to Arm(s): N/A
B: Arm Label: Aclidinium bromide 200 μg bid; Type: EXPERIMENTAL; Interventions: Drug: Aclidinium bromide 200 μg bid | Arm Label: Aclidininum bromide 400 μg bid; Type: EXPERIMENTAL; Interventions: Drug: Aclidinium bromide 400 μg bid | Arm Label: Placebo; Type: PLACEBO_COMPARATOR; Interventions: Drug: Placebo | Intervention Type: DRUG; Name: Aclidinium bromide 200 μg bid; Assigned to Arm(s): Aclidinium bromide 200 μg bid | Intervention Type: DRUG; Name: Aclidinium bromide 400 μg bid; Assigned to Arm(s): Aclidininum bromide 400 μg bid | Intervention Type: DRUG; Name: Placebo; Assigned to Arm(s): Placebo
C: Arm Label: Tiotropium + Placebo; Type: ACTIVE_COMPARATOR; Interventions: Drug: Tiotropium bromide, Drug: Placebo Salmeterol | Arm Label: Salmeterol + Placebo; Type: ACTIVE_COMPARATOR; Interventions: Drug: Salmeterol, Drug: Placebo Tiotropium | Intervention Type: DRUG; Name: Tiotropium bromide; Assigned to Arm(s): Tiotropium + Placebo | Intervention Type: DRUG; Name: Salmeterol; Assigned to Arm(s): Salmeterol + Placebo | Intervention Type: DRUG; Name: Placebo Salmeterol; Assigned to Arm(s): Tiotropium + Placebo | Intervention Type: DRUG; Name: Placebo Tiotropium; Assigned to Arm(s): Salmeterol + Placebo
D: Arm Label: Indacaterol 300 μg plus placebo to formoterol; Type: EXPERIMENTAL; Interventions: Drug: Indacaterol, Drug: Placebo to formoterol | Arm Label: Indacaterol 600 μg plus placebo to formoterol; Type: EXPERIMENTAL; Interventions: Drug: Indacaterol, Drug: Placebo to formoterol | Arm Label: Formoterol 12 μg plus placebo to indacaterol; Type: ACTIVE_COMPARATOR; Interventions: Drug: Formoterol, Drug: Placebo to indacaterol | Arm Label: Placebo to indacaterol plus placebo to formoterol; Type: PLACEBO_COMPARATOR; Interventions: Drug: Placebo to indacaterol, Drug: Placebo to formoterol | Intervention Type: DRUG; Name: Indacaterol; Assigned to Arm(s): Indacaterol 300 μg plus placebo to formoterol, Indacaterol 600 μg plus placebo to formoterol | Intervention Type: DRUG; Name: Formoterol; Assigned to Arm(s): Formoterol 12 μg plus placebo to indacaterol | Intervention Type: DRUG; Name: Placebo to indacaterol; Assigned to Arm(s): Formoterol 12 μg plus placebo to indacaterol, Placebo to indacaterol plus placebo to formoterol | Intervention Type: DRUG; Name: Placebo to formoterol; Assigned to Arm(s): Indacaterol 300 μg plus placebo to formoterol, Indacaterol 600 μg plus placebo to formoterol, Placebo to indacaterol plus placebo to formoterol

Answer: A