What do systematic reviews say?

Individual level interventions vs control

The review found no eligible studies for this question.

• Individual‐level interventions to reduce personal exposure to outdoor air pollution and their effects on people with… 2021 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found

Oral + inhaled dual therapy vs oral monotherapy

• Dual antibiotics for bronchiectasis 2018 · Cochrane Headline outcomes only
  no estimate extracted
  0 studies · 0 participants
  GRADE not reported

Mepolizumab 750 mg vs placebo

• Anti‐IL‐5 therapies for chronic obstructive pulmonary disease 2020 · Cochrane Headline outcomes only
  no estimate extracted
  1 study · 18 participants
  Low

Yoga vs no breathing exercises

• Breathing exercises for chronic obstructive pulmonary disease 2012 · Cochrane Headline outcomes only
  no estimate extracted
  1 study · 45 participants
  Moderate

Benralizumab 100 mg vs placebo

• Anti‐IL‐5 therapies for chronic obstructive pulmonary disease 2020 · Cochrane Headline outcomes only
  no estimate extracted
  3 studies · 1433 participants
  High

Diaphragmatic breathing vs no breathing exercises

• Breathing exercises for chronic obstructive pulmonary disease 2012 · Cochrane Headline outcomes only
  no estimate extracted
  1 study · 30 participants
  Moderate

Action plan vs usual care

• Action plans with brief patient education for exacerbations in chronic obstructive pulmonary disease 2016 · Cochrane Headline outcomes only
  no estimate extracted
  3 studies · 1009 participants
  Moderate

Mepolizumab 100 mg vs placebo

• Anti‐IL‐5 therapies for chronic obstructive pulmonary disease 2020 · Cochrane Headline outcomes only
  no estimate extracted
  2 studies · 1285 participants
  Moderate

Benralizumab 10 mg vs placebo

• Anti‐IL‐5 therapies for chronic obstructive pulmonary disease 2020 · Cochrane Headline outcomes only
  no estimate extracted
  1 study · 680 participants
  Moderate

Benralizumab 30 mg vs placebo

• Anti‐IL‐5 therapies for chronic obstructive pulmonary disease 2020 · Cochrane Headline outcomes only
  no estimate extracted
  2 studies · 1333 participants
  Moderate

Benralizumab 100 mg vs placebo

• Anti‐IL‐5 therapies for chronic obstructive pulmonary disease 2020 · Cochrane Headline outcomes only
  no estimate extracted
  2 studies · 1351 participants
  High

Mepolizumab 300 mg vs placebo

• Anti‐IL‐5 therapies for chronic obstructive pulmonary disease 2020 · Cochrane Headline outcomes only
  no estimate extracted
  1 study · 451 participants
  Moderate

Mepolizumab 100 mg vs placebo

• Anti‐IL‐5 therapies for chronic obstructive pulmonary disease 2020 · Cochrane Headline outcomes only
  no estimate extracted
  2 studies · 911 participants
  Moderate

Pursed lip breathing vs no breathing exercises

• Breathing exercises for chronic obstructive pulmonary disease 2012 · Cochrane Headline outcomes only
  no estimate extracted
  2 studies · 60 participants
  Low

Intervention not reported

• Airway clearance techniques for bronchiectasis 2015 · Cochrane Headline outcomes only
  no estimate extracted
  1 study · 20 participants
  Low

Intervention not reported

The intervention showed no clear difference in health‐related quality of life (health status) COPD Assessment Tool.… (low certainty).

• Airway clearance techniques for bronchiectasis 2015 · Cochrane Headline outcomes only
  no estimate extracted
  1 study · 30 participants
  Low

Ventilation feedback training plus exercise vs exercise

• Breathing exercises for chronic obstructive pulmonary disease 2012 · Cochrane Headline outcomes only
  no estimate extracted
  2 studies · 73 participants
  Moderate

Intervention not reported

• Airway clearance techniques for bronchiectasis 2015 · Cochrane Headline outcomes only
  no estimate extracted
  1 study · 20 participants
  Low