Please select the arm or intervention descriptions that belong to the clinical trial below.
Title: A 12-week, Randomised, Double-blind, Placebo-controlled, Parallel-group, Multi-national, Phase III, Efficacy and Safety Study of Inhaled Formoterol 4.5 μg and 9 μg Twice Daily in Japanese and European Patients With Chronic Obstructive Pulmonary Disease (COPD)
Brief Summary: The purpose of this study is to show the efficacy and safety of formoterol for the maintenance treatment of patients with COPD compared with placebo in patients in Japan and in European countries during 12 weeks.


Options:
A: Arm Label: Fluticasone Furoate / GW642444 (vilanterol); Type: EXPERIMENTAL; Interventions: Drug: Fluticasone Furoate 100mcg / GW642444 (vilanterol) 25mcg | Arm Label: Fluticasone Propionate / salmeterol; Type: ACTIVE_COMPARATOR; Interventions: Drug: Fluticasone Propionate 250mcg/ salmeterol 50mcg | Intervention Type: DRUG; Name: Fluticasone Furoate 100mcg / GW642444 (vilanterol) 25mcg; Assigned to Arm(s): Fluticasone Furoate / GW642444 (vilanterol) | Intervention Type: DRUG; Name: Fluticasone Propionate 250mcg/ salmeterol 50mcg; Assigned to Arm(s): Fluticasone Propionate / salmeterol
B: Arm Label: tiotropium + olodaterol low dose; Type: EXPERIMENTAL; Interventions: Drug: olodaterol, Drug: tiotropium | Arm Label: tiotropium + olodaterol high dose; Type: EXPERIMENTAL; Interventions: Drug: olodaterol, Drug: tiotropium | Arm Label: tiotropium; Type: ACTIVE_COMPARATOR; Interventions: Drug: tiotropium | Arm Label: placebo; Type: PLACEBO_COMPARATOR; Interventions: Drug: placebo | Intervention Type: DRUG; Name: olodaterol; Assigned to Arm(s): tiotropium + olodaterol high dose, tiotropium + olodaterol low dose | Intervention Type: DRUG; Name: tiotropium; Assigned to Arm(s): tiotropium, tiotropium + olodaterol high dose, tiotropium + olodaterol low dose | Intervention Type: DRUG; Name: placebo; Assigned to Arm(s): placebo
C: Arm Label: F 4.5 bid; Type: EXPERIMENTAL; Interventions: Drug: Formoterol Turbuhaler® 4.5mg | Arm Label: F 9.0 bid; Type: EXPERIMENTAL; Interventions: Drug: Formoterol Turbuhaler® 9 mg | Arm Label: PBO; Type: PLACEBO_COMPARATOR; Interventions: Drug: Turbuhaler® placebo | Intervention Type: DRUG; Name: Formoterol Turbuhaler® 4.5mg; Assigned to Arm(s): F 4.5 bid | Intervention Type: DRUG; Name: Formoterol Turbuhaler® 9 mg; Assigned to Arm(s): F 9.0 bid | Intervention Type: DRUG; Name: Turbuhaler® placebo; Assigned to Arm(s): PBO
D: Arm Label: fluticasone furoate/umeclidinium bromide/vilanterol; Type: EXPERIMENTAL; Interventions: Drug: fluticasone furoate (FF), Drug: vilanterol (VI), Drug: umeclidinium bromide (UMEC) | Arm Label: fluticasone furoate/vilanterol; Type: EXPERIMENTAL; Interventions: Drug: fluticasone furoate (FF), Drug: vilanterol (VI) | Arm Label: umeclidinium bromide/vilanterol; Type: EXPERIMENTAL; Interventions: Drug: vilanterol (VI), Drug: umeclidinium bromide (UMEC) | Intervention Type: DRUG; Name: fluticasone furoate (FF); Assigned to Arm(s): fluticasone furoate/umeclidinium bromide/vilanterol, fluticasone furoate/vilanterol | Intervention Type: DRUG; Name: vilanterol (VI); Assigned to Arm(s): fluticasone furoate/umeclidinium bromide/vilanterol, fluticasone furoate/vilanterol, umeclidinium bromide/vilanterol | Intervention Type: DRUG; Name: umeclidinium bromide (UMEC); Assigned to Arm(s): fluticasone furoate/umeclidinium bromide/vilanterol, umeclidinium bromide/vilanterol

Answer: C