Efficacy and Safety of Indacaterol Plus Tiotropium Versus Tiotropium Alone in Patients With Chronic Obstructive Pulmonary Disease (INTRUST2)
Chronic Obstructive Pulmonary Disease (COPD)
About this trial
This is an interventional treatment trial for Chronic Obstructive Pulmonary Disease (COPD) focused on measuring chronic obstructive pulmonary disease, COPD, indacaterol, tiotropium, bronchodilation
Eligibility Criteria
Inclusion Criteria:
Diagnosis of chronic obstructive pulmonary disease (COPD) (moderate-to-severe as classified by the Global Initiative for Chronic Obstructive Lung Disease (GOLD) Guidelines, 2007) and:
- Smoking history of at least 10 pack-years
- Post-bronchodilator forced expiratory volume in 1 second (FEV1) ≤ 65% and ≥ 30% of the predicted normal value
- Post-bronchodilator FEV1/FVC (forced vital capacity) < 70%
Exclusion Criteria:
- Patients who have received systemic corticosteroids and/or antibiotics and/or was hospitalized for a COPD exacerbation in the 6 weeks prior to screening or during the run-in period
- Patients who have had a respiratory tract infection within 6 weeks prior to screening
- Patients with concomitant pulmonary disease
- Patients with a history of asthma
- Patients with diabetes Type I or uncontrolled diabetes Type II
- Any patient with lung cancer or a history of lung cancer
- Patients with a history of certain cardiovascular comorbid conditions
Other protocol-defined inclusion/exclusion criteria applied to the study.
Sites / Locations
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Arms of the Study
Arm 1
Arm 2
Experimental
Active Comparator
Indacaterol 150 μg and tiotropium 18 μg
Tiotropium 18 μg
Patients inhaled indacaterol 150 μg and tiotropium 18 μg once daily in the morning between 8:00 AM and 11:00 AM for 12 weeks. Indacaterol was delivered blinded via a single-dose dry-powder inhaler (SDDPI). Tiotropium was delivered open-label via the manufacturer's proprietary inhalation device (HandiHaler®). Daily inhaled corticosteroid treatment (if applicable) was to remain stable throughout the study. The short-acting β2-agonist salbutamol/albuterol was available for rescue use throughout the study.
Patients inhaled placebo to indacaterol 150 μg and tiotropium 18 μg once daily in the morning between 8:00 AM and 11:00 AM for 12 weeks. Placebo to indacaterol was delivered blinded via a single-dose dry-powder inhaler (SDDPI). Tiotropium was delivered open-label via the manufacturer's proprietary inhalation device (HandiHaler®). Daily inhaled corticosteroid treatment (if applicable) was to remain stable throughout the study. The short-acting β2-agonist salbutamol/albuterol was available for rescue use throughout the study.