Conditions: Pulmonary Disease, Chronic Obstructive
Allocation: RANDOMIZED | Intervention model: PARALLEL
Enrollment: 905
Healthy volunteers: no

Brief summary:
The purpose of this 24 week study is to evaluate the spirometric lung function effect (trough FEV1) of Umeclidinium/Vilanterol 62.5/25 once daily compared to Tiotropium 18 mcg once daily along with safety assessments in subjects with COPD.

Detailed description:
This is a Phase IIIb multicenter, randomized, double-dummy, parallel group study to evaluate the efficacy and safety of UMEC/VI Inhalation Powder (62.5/25 mcg) when administered once-daily via a novel dry powder inhaler (DPI) compared with tiotropium (18 mcg) administered once-daily via the HandiHaler over a treatment period of 24 weeks in subjects with COPD. Eligible subjects will be randomized 1:1 to UMEC/VI Inhalation Powder (62.5/25 mcg), or tiotropium (18 mcg) for 24 weeks.

There will be a total of 10 study clinic visits conducted on an outpatient basis. Subjects who meet the eligibility criteria at Screening (Visit 1) will complete a 7- to 10-day run-in period followed by a 24-week treatment period. Clinic visits will be at Screening, Randomization (Day 1), Day 2 and after 4, 8, 12, 16, 20 and 24 weeks, and 1 day after the Week 24 visit (Visit 1 to Visit 10, respectively). Additionally a safety Follow-Up assessment will be conducted either by phone call or clinic visit where required approximately 7 days after the end of the study treatment (Visit 10 or Early Withdrawal, if applicable). The total duration of subject participation, including the Follow-Up will be approximately 26 weeks.

Arms:
arm 1: Long-acting muscarinic antagonist (LAMA)/Long-acting Beta agonist (LABA) arm 2: Long-acting muscarinic antagonist (LAMA)

Interventions: intervention 1: Umeclidinium/Vilanterol 62.5/25 mcg intervention 2: Tiotropium 18 mcg
Intervention descriptions: intervention 1: Inhalation Powder intervention 2: Inhalation Powder

Protocol document: