FEV1 is a measure of lung function and is defined as the maximal amount of air that can be forcefully exhaled in one second. The effect of treatment on decline of post bronchodilator FEV1 recorded during the treatment period was analyzed using a repeated measures random coefficients model with covariates of treatment group, age, sex, smoking status, baseline FEV1, body mass index (BMI), study day and the treatment group by study day interaction. The adjusted mean and standard error for rate of decline in FEV1 have been presented.

Safety Population comprised all participants randomized to treatment, excluding those who were randomized in error. Only those participants with data available at the specified time points were analyzed.

The SGRQ-C is a disease-specific questionnaire designed to measure the impact of respiratory disease and its treatment on a COPD participant's health-related quality of life (HRQoL). SGRQ-C total score was converted to SGRQ total score according to manual. The SGRQ Questionnaire is a well-established, self-completed tool, with 50 questions comprising three domains; Symptoms, Activity, and Impacts scores (each ranging from 0 to 100). SGRQ total score was calculated by summing weights from all positive items, divided by sum of weights for all items in SGRQ questionnaire and multiplying by 100. The SGRQ total score ranges from 0 to 100, with 0 implying the best possible health status and 100 implying worst possible health status. Baseline was defined as the score recorded prior to dosing on Day 1. Change from Baseline was calculated by subtracting Baseline value from the post dose visit value.

Only those participants with data available at the specified time points were analyzed (indicated by n=X in category titles).

An AE is any untoward medical occurrence in a participant or clinical investigation participant, temporally associated with the use of a medicinal product, whether or not considered related to the medicinal product. Any untoward event resulting in death, life threatening, requires hospitalization or prolongation of existing hospitalization, results in disability/incapacity, congenital anomaly/birth defect, any other situation according to medical or scientific judgment that may not be immediately life threatening or result in death or hospitalization but may jeopardize the participant or may require medical or surgical intervention was categorized as SAE. Number of participants with AEs and SAEs are summarized.

Safety Population

Blood samples were collected. PCI ranges were, basophils(%):5x(high), eosinophils(%):2x(high), hematocrit(proportion of red blood cells in blood):0.50x(low) or 1.30x(high), hemoglobin (grams per liter):0.85x(low) or 1.20x(high), lymphocytes(%):0.80x(low) or 1.20x(high), mean corpuscle hemoglobin(picogram):0.85x(low) or 1.20x(high), mean corpuscle hemoglobin concentration(gram per deciliter):0.85x(low) or 1.10x(high), mean corpuscle volume(femtoliter):0.25x(low) or 2.00x(high), monocytes(%):0.80x(low) or 1.60x(high), platelet(x10^9 cells per liter[cells/L]):0.90x(low) or 1.10x(high), Red Blood Cell(x10^12 cells/L):0.93x(low) or 1.07x(high), neutrophil(%):0.65x(low) or 1.50x(high), White Blood Cell(x10^9 cells/L):0.70x(low) or 1.60x(high). Participants were counted in the worst case if their laboratory value changes to low/within range or no change/high and were counted in the within range if their value was unchanged. Limits with 'x' are multipliers of central laboratory normal range.

Safety Population. Only those participants with data available at the specified time points were analyzed.

Blood samples for clinical chemistry parameters were collected at indicated time points. PCI ranges were, calcium (millimoles per liter [mmol/L]): 0.85x (low) or 1.08x (high), bicarbonate (mmol/L): <18 (low) or >32 (high), chloride (mmol/L): 0.90x (low) or 1.10x (high), creatinine (micromoles per liter[µmol/L]): 1.30x (high), glucose(mmol/L): <0.6x (low) or >4x (high), potassium (mmol/L): 0.75x (low) or 1.30x (high), sodium (mmol/L): 0.80x (low) or 1.15x (high), total protein (milligram per deciliter[mg/dL]): 1.25x (high), blood urea nitrogen(BUN) (mmol/L): 0.70x (low) or 1.60x(high). Participants were counted in the worst case if their laboratory value changes to low, or within range or no change, or high. Participants were counted in within range if their value was unchanged. Limits with 'x' are multipliers of central laboratory normal range.

Safety Population. Only those participants with data available at the specified time points were analyzed (indicated by n=X in category titles).

Blood samples for liver function tests were collected at indicated time points. PCI ranges were, alanine aminotransferase (ALT) (units per liter[U/L]): >=3x upper limit of normal (ULN) (high), alkaline phosphatase (alk phosp) (U/L): >=2x ULN (high), aspartate amino transferase (AST) (U/L): >=3x ULN (high), direct bilirubin (µmol/L): >=2x ULN (high), total bilirubin (µmol/L): >=2x ULN (high). Participants were counted in the worst case if their laboratory value changes to low, or within range or no change, or high. Participants were counted in within range if their value was unchanged. Limits with 'x' are multipliers of central laboratory normal range.

Safety Population. Only those participants with data available at the specified time points were analyzed.

Urine samples were planned to be collected to analyze the following parameters: specific gravity, pH, glucose, protein, blood and ketones. This analysis was planned but data was not collected, as study was terminated pre-maturely.

Safety Population. This analysis was planned but data was not collected, as study was terminated pre-maturely.

12-lead ECG was obtained using an ECG machine that automatically calculates the heart rate and measures PR, QRS, QT, and corrected QT (QTc) intervals. Baseline was defined as the value obtained at pre-dose on Day 1. Change from Baseline was calculated by subtracting Baseline value from the post-dose visit value.

Safety Population. Only those participants with data available at the specified time points were analyzed (indicated by n=X in category titles).

12-lead ECG was obtained using an ECG machine that automatically calculates the heart rate and measures PR, QRS, QT, and QTc intervals. Baseline was defined as the value obtained at pre-dose on Day 1. Change from Baseline was calculated by subtracting Baseline value from the post-dose visit value.

Safety Population. Only those participants with data available at the specified time points were analyzed (indicated by n=X in category titles).

Vital signs included systolic blood pressure (SBP) and diastolic blood pressure (DBP), heart rate and respiratory rate. Vital signs were measured in a semi-supine position after 5 minutes rest. PCI ranges were, SBP (millimeters of mercury): <90 (low) or >160 (high), DBP (millimeters of mercury): <40 (low) or >110 (high), heart rate (beats per minute): <35 (low) or >120 (high), respiration rate (breaths per minute): <8 (low) or >30 (high). Participants were counted in the worst-case category that their value changes to (low, within range or no change, or high), unless there was no change in their category. Participants whose value category were unchanged (high to high), or whose value became within range, were recorded in the 'to within range or no change' category.

Safety Population. Only those participants with data available at the specified time points were analyzed.

Peripheral venous blood samples were planned to be collected and tested for biomarker that was indicative of inflammation (CRP). This analysis was planned but data was not collected, as the study was terminated pre-maturely.

Safety Population. This analysis was planned but data was not collected, as the sample size was too small and study was terminated pre-maturely.

An exacerbation of COPD was defined by a worsening of symptoms requiring additional treatment or hospitalization. The date of onset of COPD exacerbations were planned to be recorded. This analysis was planned but data was not collected, as the study was terminated pre-maturely.

Safety Population. This analysis was planned but data was not collected, as the sample size was too small and study was terminated pre-maturely.

FEV1 is a measure of lung function and is defined as the maximal amount of air that can be forcefully exhaled in one second. FEV1 measurements were collected using a spirometer. Baseline was defined as the measurement performed prior to the first dose on Day 1. Change from Baseline was calculated by subtracting Baseline value from the post-dose visit value.

Safety Population. Only those participants with data available at the specified time points were analyzed (indicated by n=X in category titles).

Response was defined as a SGRQ total score of 4 units below Baseline or lower. The SGRQ Questionnaire is a well-established, self-completed tool, with 50 questions comprising three domains; Symptoms, Activity, and Impacts scores (each ranging from 0 to 100). SGRQ total score was calculated by summing weights from all positive items, divided by sum of weights for all items in SGRQ questionnaire and multiplying by 100. The SGRQ total score ranges from 0 to 100, with 0 implying the best possible health status and 100 implying worst possible health status. Number of SGRQ responders are presented.

Safety Population. Only those participants with data available at the specified time points were analyzed (indicated by n=X in category titles).

The SGRQ Questionnaire is a well-established, self-completed tool, comprising of 50 questions with 76 weighted responses designed to measure Quality of Life in participants with diseases of airway obstruction. It consists of two parts; Part 1 produces the symptoms score and Part 2 produces the activity and impacts score. SGRQ symptoms score was calculated by summing weights from all positive items in symptoms score component, divided by sum of weights for all items in symptoms score component and multiplying by 100. The SGRQ symptoms score ranges from 0 to 100, with 0 implying the best possible health status and 100 implying worst possible health status. Baseline was defined as the score recorded prior to dosing on Day 1. Change from Baseline was calculated by subtracting Baseline value from the post-dose visit value.

Safety Population. Only those participants with data available at the specified time points were analyzed (indicated by n=X in category titles).

The SGRQ Questionnaire is a well-established, self-completed tool, comprising of 50 questions with 76 weighted responses designed to measure quality of life in participants with diseases of airway obstruction. It consists of two parts; Part 1 produces the symptoms score and Part 2 produces the activity and impacts score. SGRQ activity score was calculated by summing weights from all positive items in activity score component, divided by sum of weights for all items in activity score component and multiplying by 100. The SGRQ activity score ranges from 0 to 100, with 0 implying the best possible health status and 100 implying worst possible health status. Baseline was defined as the score recorded prior to dosing on Day 1. Change from Baseline was calculated by subtracting Baseline value from the post-dose visit value.

Safety Population. Only those participants with data available at the specified time points were analyzed (indicated by n=X in category titles).

The SGRQ Questionnaire is a well-established, self-completed tool, comprising of 50 questions with 76 weighted responses designed to measure Quality of Life in participants with diseases of airway obstruction. It consists of two parts; Part 1 produces the symptoms score and Part 2 produces the activity and impacts score. SGRQ impacts score was calculated by summing weights from all positive items in impacts score component, divided by sum of weights for all items in impacts score component and multiplying by 100. The SGRQ impacts score ranges from 0 to 100, with 0 implying the best possible health status and 100 implying worst possible health status. Baseline was defined as the score recorded prior to dosing on Day 1. Change from Baseline was calculated by subtracting Baseline value from the post-dose visit value.

Safety Population. Only those participants with data available at the specified time points were analyzed (indicated by n=X in category titles).

The COPD Assessment Test (CAT) is a short and simple participant completed questionnaire which was developed for use in routine clinical practice to measure the health status of participants with COPD. The CAT is an 8-item questionnaire suitable for completion by all participants diagnosed with COPD. Participants rated their experience on a 6-point scale, ranging from 0 (maximum impairment) to 5 (no impairment). A total CAT score was calculated by summing the non-missing scores of the eight items with a scoring range of 0-40. Higher scores indicated greater disease impact. Baseline was defined as the score recorded prior to dosing on Day 1. Change from Baseline was calculated by subtracting Baseline value from the post-dose visit value.

Safety Population. Only those participants with data available at the specified time points were analyzed (indicated by n=X in category titles).

Participants were instructed to complete the daily diary in the evening to collect the number of puffs of rescue medications over each 24-hour period. The maximum number of puffs of rescue medications use were counted for the day and were used to determine if it was a recue-free day. A rescue-free day was defined as a day where the total number of puffs were 0. The 4-weekly means were calculated and presented. Baseline was defined as the mean number of puffs of rescue medication per day from the latest (7 days before study treatment start date and date of Screening) to the day before study treatment start date. Change from Baseline was calculated by subtracting Baseline value from the post-dose visit value.

Safety Population. Only those participants with data available at the specified time points were analyzed (indicated by n=X in category titles).

Participants were instructed to complete the daily diary in the evening to collect the number of puffs of rescue medications over each 24-hour period. The maximum number of puffs of rescue medication use were counted for the day and were used to determine if it was a recue-free day. A rescue-free day was defined as a day where the total number of puffs were 0. The 4-weekly means were calculated and presented. Baseline was defined as the mean number of puffs of rescue medication per day from the latest (7 days before study treatment start date and date of Screening) to the day before study treatment start date. Change from Baseline was calculated by subtracting Baseline value from the post-dose visit value.

Safety Population. Only those participants with data available at the specified time points were analyzed (indicated by n=X in category titles).