Blinded 12-week comparison of once-daily indacaterol and tiotropium in COPD

Standardisation of spirometry

2005 • 14,522 citations

The Body-Mass Index, Airflow Obstruction, Dyspnea, and Exercise Capacity Index in Chronic Obstructive Pulmonary Disease

2004 • 3,761 citations

A Self-complete Measure of Health Status for Chronic Airflow Limitation: The St. George's Respiratory Questionnaire

1992 • 2,933 citations

A 4-Year Trial of Tiotropium in Chronic Obstructive Pulmonary Disease

2008 • 2,132 citations

The Measurement of Dyspnea

1984 • 1,291 citations

A long-term evaluation of once-daily inhaled tiotropium in chronic obstructive pulmonary disease

2002 • 910 citations

Outcomes for COPD pharmacological trials: from lung function to biomarkers

2008 • 817 citations

St. George's Respiratory Questionnaire: MCID

2005 • 750 citations

Interpreting thresholds for a clinically significant change in health status in asthma and COPD

2002 • 565 citations

A 6-Month, Placebo-Controlled Study Comparing Lung Function and Health Status Changes in COPD Patients Treated With Tiotropium or Salmeterol

2002 • 479 citations

Health outcomes following treatment for six months with once daily tiotropium compared with twice daily salmeterol in patients with COPD

2003 • 394 citations

Once-Daily Bronchodilators for Chronic Obstructive Pulmonary Disease

2010 • 347 citations

Efficacy of a new once-daily long-acting inhaled 2-agonist indacaterol versus twice-daily formoterol in COPD

2010 • 270 citations

Tiotropium for stable chronic obstructive pulmonary disease: a meta-analysis

2006 • 239 citations

Minimal important difference of the transition dyspnoea index in a multinational clinical trial

2003 • 222 citations

Distribution of Receptor Targets in the Lung

2004 • 204 citations

Alternative Mechanisms for Long-Acting β2-Adrenergic Agonists in COPD

2001 • 157 citations

Efficacy and safety of indacaterol 150 μg once-daily in COPD: a double-blind, randomised, 12-week study

2010 • 122 citations

QVA149 demonstrates superior bronchodilation compared with indacaterol or placebo in patients with chronic obstructive pulmonary disease

2010 • 116 citations

Indacaterol provides 24-hour bronchodilation in COPD: a placebo-controlled blinded comparison with tiotropium

2010 • 86 citations

Mechanisms and Measurement of Dyspnea in Chronic Obstructive Pulmonary Disease

2006 • 76 citations

Development and validation of the Capacity of Daily Living during the Morning questionnaire and the Global Chest Symptoms Questionnaire in COPD

2009 • 62 citations

Nonbronchodilator Effects of Pirbuterol and Ipratropium in Chronic Obstructive Pulmonary Disease

1995 • 23 citations