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Table 1 Characteristics of selected studies

From: Long-acting bronchodilators improve exercise capacity in COPD patients: a systematic review and meta-analysis

Author, year

Country

Study design

Main treatment

Other active drugs

Duration (weeks)

Primary outcome

Secondary outcomes

Exercise methodology and intensity

Man WDC, 2004

UK

Crossover

Salmeterol 50 μg bid

2

Transdiaphragmatic pressure

Endurance time. Pulmonary function, dyspnoea

Treadmill, 80% W

O’Donnell DE, 2004

Canada

Crossover

Salmeterol 50 μg bid

2

Pulmonary function and dyspnoea

Endurance time

Bike, 75% W

Neder JA, 2007

Brazil, UK

Crossover

Formoterol 12 μg bid

2

Endurance time

Pulmonary function, dyspnoea

Bike 80%, W

Beeh KM, 2011

Germany, UK

Crossover

Indacaterol 300 μg od

2

Pulmonary function

Endurance time, dyspnoea

Bike 80%, W

O’Donnell DE, 2011

Canada, Belgium, Spain, USA, UK

Crossover

Indacaterol 300 μg od

3

Endurance time

Pulmonary function, dyspnoea

Bike 75%, W

Maltais F, 2016

Germany

Crossover

Olodaterol 5, 10 μg

6

Endurance time

Pulmonary function, dyspnoea

Bike 75%, W

O’Donnell DE, 2004

Canada, Germany, USA

Parallel

Tiotropium 18 μg od

6

Endurance time

Pulmonary function, dyspnoea

Bike 75%, W

Casaburi R, 2005

USA

Parallel

Tiotropium 18 μg od

25

Endurance time

Pulmonary function, dyspnoea

Treadmill, 80% W

Maltais F, 2005

Canada, USA

Parallel

Tiotropium 18 μg od

6

Endurance time

Pulmonary function, dyspnoea

Bike, 75% W

Travers J, 2007

Canada, USA

Crossover

Tiotropium 18 μg od

1

Cardiopulmonary function

Endurance time

Bike, 75% W

Maltais F, 2011

Canada, USA, Spain

Parallel

Aclidinium 200 μg od

6

Endurance time

Pulmonary function, dyspnoea

Bike, 75% W

Beeh KM, 2012

Germany, UK, Switzerland

Crossover

Glycopyrronium 50 μg od

3

Endurance time

Pulmonary function, dyspnoea

Bike, 80% W

Cooper CB, 2013

USA, UK, Brazil

Parallel

Tiotropium 18 μg od

96

Endurance time

Pulmonary function, dyspnoea

Treadmill 90% Wa

Beeh KM, 2014

Germany

Crossover

Aclidinium 400 μg bid

3

Endurance time

Pulmonary function, dyspnoea

Bike, 75% W

Casaburi R, 2014

USA, Canada

Crossover

Tiotropium 18 μg od

6

IC isotime

Endurance time, Borg isotime

Treadmill, 80% Wa

Bedard M-E, 2012

Canada

Parallel

Tiotropium 18 μg od

3

Endurance time

Pulmonary function, dyspnoea

ESWT, 80% VO2

Beeh KM, 2014

Germany, UK, USA

Crossover

Indacaterol/Glycopyrronium 110/50 μg od

Tiotropium 18 μg od

3

Endurance time

Pulmonary function, dyspnoea

Bike, 75% W

Maltais F, 2014

Germany

Crossover

Umeclidinium/vilanterol 125/25, 62,5/25 μg

Vilanterol 25 μg, Umeclidinium 62,5, 125 μg

12

Endurance time, trough FEV1

Pulmonary function

ESWT, 80–90% speed

O’Donnell, 2017

 

Crossover

Tiotropium/Olodaterol, 5/2,5, 5/5 μg

Tiotropium 5 μg, Olodaterol 5 μg

6

Endurance time, inspiratory capacity

Pulmonary function, dyspnea

Bike, 75% W

O’Donnell DE, 2006

Canada, USA

Parallel

Salmeterol 50 μg/Fluticasone 250 μg bid

Salmeterol 50 μg bid

8

Pulmonary function and dyspnoea

Endurance time

Bike, 75% W

Worth H, 2010

Germany, Sweden

Crossover

Budesonide/formoterol 320/9 μg bid

Formoterol 9 μg bid

1

Endurance time

Pulmonary function, dyspnea

Bike, 75% W

Guenette JA, 2013

Canada

Crossover

Fluticasone 250/Salmeterol 50 μg bid

6

Endurance time

Pulmonary function, dyspnoea

Bike, 85% W

  1. Od Once daily, Bid Twice daily, ESWT Endurance shuttle walking test, W Work load. aWork rate was adjusted to obtain an exercise duration between a specified time interval