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DOI: 10.1055/s-0037-1598543
Effects of bronchodilator therapy and exercise training, added to a self-management behaviour-modification programme, on physical activity in COPD
Autoren
Publikationsverlauf
Publikationsdatum:
23. Februar 2017 (online)
Introduction:
PHYSACTO® has shown improvements in exercise capacity in patients with COPD receiving bronchodilators (BDs)± exercise training (ExT) added to a self-management behaviour-modification programme (SMBM).
Aim:
We explored the influence of BDs ± ExT following SMBM on physical activity (PA) and perceived PA-related difficulty and symptoms in PHYSACTO® (NCT02085161).
Methods:
A 12-week (wk), randomised, partially double-blind, placebo (P)-controlled, parallel-group trial. Interventions (all with 12-wk SMBM): P; tiotropium (T) 5 µg; T + olodaterol (O) 5/5 µg; T+O 5/5 µg + 8-wk ExT. A triaxial accelerometer assessed PA (steps/day), the Functional Performance Inventory assessed patient-reported difficulty engaging in PA and the Chronic Respiratory Questionnaire assessed PA-related dyspnoea.
Results:
303 patients (post-BD FEV1: 57 (13) % predicted) were randomised and treated (full analysis set n = 274). Change in steps/day at Wk 12 is shown in the Table; no significant gain in PA was seen by adding T+O or T+O + ExT to SMBM, versus SMBM + P. However, PA-related difficulty and dyspnoea significantly decreased at Wk 12 for SMBM + T+O, versus SMBM + P.
| 
                      Intervention  | 
                  
                  
                      Steps/daya at Wk 12  | 
                  |||
| 
                      Adjusted mean (SE)  | 
                  
                  
                      Adjusted mean change from baseline (SE)  | 
                  
                  
                      95% CI  | 
                  
                  
                      P value  | 
                  |
| 
                      SMBM + P (n = 55)  | 
                  
                  
                      6517.71 (325.08)  | 
                  
                  
                      1098.07 (325.08)  | 
                  
                  
                      457.47, 1738.67  | 
                  
                  
                      0.0009  | 
                  
| 
                      SMBM + T (n = 57)  | 
                  
                  
                      5572.83 (317.98)  | 
                  
                  
                      153.19 (317.98)  | 
                  
                  
                      -473.43, 779.81  | 
                  
                  
                      0.6304  | 
                  
| 
                      SMBM + T+O (n = 60)  | 
                  
                  
                      6813.88 (310.22)  | 
                  
                  
                      1394.24 (310.22)  | 
                  
                  
                      782.92, 2005.56  | 
                  
                  
                      < 0.0001  | 
                  
| 
                      SMBM + T+O + ExT (n = 57)  | 
                  
                  
                      5976.43 (317.97)  | 
                  
                  
                      556.79 (317.97)  | 
                  
                  
                      -69.81, 1183.39  | 
                  
                  
                      0.0813  | 
                  
| 
                      Full analysis set. Analysis of covariance model with “treatment” and “baseline“ as covariates. Common baseline mean steps/day (SE): 5419.64 (186.15). aMeasured via triaxial accelerometer.  | 
                  ||||
Conclusions:
In moderate to severe COPD, SMBM increased PA and the addition of T+O to SMBM was associated with reduced PA-related difficulty and symptoms when compared to SMBM + P.
Funding:
Boehringer Ingelheim.
Content already presented at ERS congress 2016
    
      
    