Findings

What do systematic reviews say?

Refine by population, intervention, comparison or outcome
More filters
Evidence found and GRADE certainty

2,234 questions · 2,325 findings · 216 reviews · Airways

No studies found 249 · 10.7%GRADE not reported 107 · 4.6%Very low 276 · 11.9%Low 751 · 32.3%Moderate 718 · 30.9%High 224 · 9.6%

PPI plus usual care vs usual care alone or chronic obstructive pulmonary disease

Acute respiratory infections study duration: 12 months · patients with chronic obstructive pulmonary disease

It is very uncertain whether PPI plus usual care changes acute respiratory infections study duration: 12 months compared with usual care alone or chronic obstructive pulmonary disease (very low certainty).

1 finding from 1 review

Atorvastatin vs placebo

Asthma exacerbations requiring hospitalisation or a course of steroids · people with asthma

The review found no eligible studies for this question.

1 finding from 1 review
  • Statins for asthma 2020 · Cochrane Headline outcomes only
    no estimate extracted
    Studies not reported
    No studies found

Atorvastatin vs placebo

Health‐related quality of life · people with asthma

The review found no eligible studies for this question.

1 finding from 1 review
  • Statins for asthma 2020 · Cochrane Headline outcomes only
    no estimate extracted
    Studies not reported
    No studies found

Atorvastatin vs placebo

Change in morning PEF (L/min) at endpoint · people with asthma

It is very uncertain whether atorvastatin changes lung function: change in morning PEF compared with placebo (very low certainty).

1 finding from 1 review
  • Statins for asthma 2020 · Cochrane Headline outcomes only
    MD 12.32
    1 study · 60 participants
    Very low

Atorvastatin vs placebo

Change from baseline in pre‐bronchodilator FEV1 · people with asthma

It is very uncertain whether atorvastatin changes lung function: change in FEV1 (pre) compared with placebo (very low certainty).

1 finding from 1 review
  • Statins for asthma 2020 · Cochrane Headline outcomes only
    MD 0.13
    1 study · 60 participants
    Very low

Atorvastatin vs placebo

Lung function: change in FEV1 (post) · people with asthma

It is very uncertain whether atorvastatin changes lung function: change in FEV1 (post) compared with placebo (very low certainty).

1 finding from 1 review
  • Statins for asthma 2020 · Cochrane Headline outcomes only
    MD 0.11
    1 study · 60 participants
    Very low

Atorvastatin vs placebo

Serious adverse events or adverse events · people with asthma

The review found no eligible studies for this question.

1 finding from 1 review
  • Statins for asthma 2020 · Cochrane Headline outcomes only
    no estimate extracted
    Studies not reported
    No studies found

Atorvastatin vs placebo

Asthma control · people with asthma

It is very uncertain whether atorvastatin changes asthma control: change in ACQ compared with placebo (very low certainty).

1 finding from 1 review
  • Statins for asthma 2020 · Cochrane Headline outcomes only
    MD 0.41
    1 study · 60 participants
    Very low

Mepolizumab 100 mg vs placebo

Rate of moderate or severe exacerbations Eosinophilic phenotype · patients with chronic obstructive pulmonary disease

Mepolizumab 100 mg leads to lower rate of moderate or severe exacerbations Eosinophilic phenotype compared with placebo (high certainty).

1 finding from 1 review

Mepolizumab 300 mg vs placebo

Rate of moderate or severe exacerbations Eosinophilic phenotype · patients with chronic obstructive pulmonary disease

Mepolizumab 300 mg showed no clear difference in rate of moderate or severe exacerbations Eosinophilic phenotype compared with placebo (moderate certainty).

1 finding from 1 review

Mepolizumab 300 mg vs placebo

Time to first moderate or severe exacerbation Eosinophilic phenotype · patients with chronic obstructive pulmonary disease

Mepolizumab 300 mg probably leads to lower time to first moderate or severe exacerbation Eosinophilic phenotype compared with placebo (moderate certainty).

1 finding from 1 review

Mepolizumab 300 mg vs placebo

Rate of exacerbations with ED visit or hospitalisations Eosinophilic phenotype · patients with chronic obstructive pulmonary disease

Mepolizumab 300 mg showed no clear difference in rate of exacerbations with ED visit or hospitalisations Eosinophilic… compared with placebo (moderate certainty).

1 finding from 1 review

Mepolizumab 750 mg vs placebo

Exacerbations · patients with chronic obstructive pulmonary disease

Mepolizumab 750 mg showed no clear difference in number of participants experiencing an exacerbation within 6 months compared with placebo (low certainty).

2 findings from 1 review