Efficacy and Safety of Aclidinium Bromide at Two Dose Levels Versus Placebo Administered in Chronic Obstructive Pulmonary Disease (COPD) Patients
![]() |
The safety and scientific validity of this study is the responsibility of the study sponsor and investigators. Listing a study does not mean it has been evaluated by the U.S. Federal Government. Read our disclaimer for details. |
ClinicalTrials.gov Identifier: NCT01001494 |
Recruitment Status :
Completed
First Posted : October 26, 2009
Results First Posted : September 17, 2012
Last Update Posted : January 4, 2017
|
- Study Details
- Tabular View
- Study Results
- Disclaimer
- How to Read a Study Record
Condition or disease | Intervention/treatment | Phase |
---|---|---|
Chronic Obstructive Pulmonary Disease (COPD) | Drug: Aclidinium bromide 200 μg bid Drug: Aclidinium bromide 400 μg bid Drug: Placebo | Phase 3 |
Study Type : | Interventional (Clinical Trial) |
Actual Enrollment : | 828 participants |
Allocation: | Randomized |
Intervention Model: | Parallel Assignment |
Masking: | Double (Participant, Investigator) |
Primary Purpose: | Treatment |
Official Title: | Efficacy and Safety of Aclidinium Bromide at Two Dose Levels vs Placebo When Administered to Patients With Moderate to Severe Chronic Obstructive Pulmonary Disease (COPD) |
Study Start Date : | October 2009 |
Actual Primary Completion Date : | November 2010 |
Actual Study Completion Date : | November 2010 |

Arm | Intervention/treatment |
---|---|
Experimental: Aclidinium bromide 200 μg bid
Aclidinium bromide 200 μg twice-daily via inhalation
|
Drug: Aclidinium bromide 200 μg bid
Aclidinium bromide 200 μg twice-daily via inhalation by the Eklira Genuair® inhaler: 1 puff in the morning and evening for 24 weeks |
Experimental: Aclidininum bromide 400 μg bid
Aclidinium bromide 400 μg twice-daily via inhalation
|
Drug: Aclidinium bromide 400 μg bid
Aclidinium bromide 400 μg twice-daily via inhalation by the Eklira Genuair® inhaler: 1 puff in the morning and evening for 24 weeks |
Placebo Comparator: Placebo
Placebo
|
Drug: Placebo
Placebo twice-daily by inhalation for 24 weeks |
- Change From Baseline in Morning Pre-dose (Trough) Forced Expiratory Volume in the First Second (FEV1) at Week 24 on Treatment [ Time Frame: Baseline and Week 24 ]
- Change From Baseline in Morning Pre-dose (Trough) Forced Expiratory Volume in the First Second (FEV1) at Week 12 on Treatment [ Time Frame: Baseline and Week 12 ]
- Change From Baseline in Peak Forced Expiratory Volume in the First Second (FEV1) at Week 24 on Treatment [ Time Frame: Baseline and Week 24 ]
- Percentage of Patients Who Achieved at Least a 1-unit Decrease From Baseline in TDI Focal Score at Week 24 on Treatment [ Time Frame: Week 24 ]Number of patients achieving a clinically meaningful improvement (≥1-unit) in Transition Dyspnoea Index (TDI) focal score at Week 24 on Treatment
- Percentage of Patients Who Achieved at Least a 4-unit Decrease From Baseline in the SGRQ Total Score at Week 24 on Treatment [ Time Frame: Week 24 ]Number of patients who achieved a clinically meaningful improvement (≥4-units) in Saint George Respiratory Questionnaire (SGRQ) total score at week 24 on treatment

Choosing to participate in a study is an important personal decision. Talk with your doctor and family members or friends about deciding to join a study. To learn more about this study, you or your doctor may contact the study research staff using the contacts provided below. For general information, Learn About Clinical Studies.
Ages Eligible for Study: | 40 Years and older (Adult, Older Adult) |
Sexes Eligible for Study: | All |
Accepts Healthy Volunteers: | No |
Inclusion Criteria:
- Adult male and female patients aged ≥40 with stable moderate to severe COPD (GOLD guidelines).
- Post-salbutamol (FEV1) < 80% and ≥30% of predicted normal value and Post-salbutamol FEV1/FVC < 70%.
- Current or ex-smokers of ≥10 pack-years.
Exclusion Criteria:
- Patients with no history or current diagnosis of asthma.
- No evidence of an exacerbation within 6 weeks prior to the screening visit.
- No evidence of clinically significant respiratory and/or cardiovascular conditions or laboratory abnormalities.
- No contraindication to use of anticholinergic drugs such as known symptomatic prostatic hypertrophy, bladder neck obstruction or narrow-angle glaucoma.

To learn more about this study, you or your doctor may contact the study research staff using the contact information provided by the sponsor.
Please refer to this study by its ClinicalTrials.gov identifier (NCT number): NCT01001494

Study Director: | Esther Garcia, MD | AstraZeneca |
Publications automatically indexed to this study by ClinicalTrials.gov Identifier (NCT Number):
Responsible Party: | AstraZeneca |
ClinicalTrials.gov Identifier: | NCT01001494 |
Other Study ID Numbers: |
M/34273/34 ATTAIN |
First Posted: | October 26, 2009 Key Record Dates |
Results First Posted: | September 17, 2012 |
Last Update Posted: | January 4, 2017 |
Last Verified: | October 2016 |
Chronic Obstructive Pulmonary Disease antimuscarinic COPD |
Lung Diseases Lung Diseases, Obstructive Pulmonary Disease, Chronic Obstructive |
Respiratory Tract Diseases Bromides Anticonvulsants |