Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

1,296 questions · 1,330 findings · 157 reviews · Headline outcomes only

No studies found 297 · 22.3%GRADE not reported 88 · 6.6%Very low 327 · 24.6%Low 317 · 23.8%Moderate 239 · 18%High 62 · 4.7%

Inhaled tobramycin (TNS) vs placebo

Adverse effects of antibiotics: participants experiencing cough · adults and children with cystic fibrosis and a positive microbiological isolate of P aeruginosa from a respiratory tract specimen

It is very uncertain whether inhaled tobramycin (TNS) changes adverse effects of antibiotics: participants experiencing cough compared with placebo (very low certainty).

1 finding from 1 review

Intravenous ceftazidime with tobramycin vs ciprofloxacin

Adverse effects of antibiotics · adults and children with cystic fibrosis and a positive microbiological isolate of P aeruginosa from a respiratory tract specimen

Intravenous ceftazidime with tobramycin probably leads to lower adverse effects of antibiotics: compared with oral ciprofloxacin (moderate certainty).

1 finding from 1 review

Homeopathic medicinal products (individualised treatment) vs placebo or usual care

Need for antibiotics · children aged up to 16 years with ARTIs

Homeopathic medicinal products (individualised treatment) showed no clear difference in need for antibiotics compared with placebo or usual care (low certainty).

1 finding from 1 review

Probiotics vs placebo or no treatment

Number of participants who used prescribed antibiotics for acute URTIs · children, adults, and the elderly

Intention‐to‐treat analysis: probiotics probably leads to lower number of participants who used prescribed antibiotics for acute URTIs compared with placebo or no treatment (moderate certainty).

1 finding from 1 review

Summary of findings table ‐ immunostimulant vs placebo

Number of participants requiring antibiotics · adults with chronic bronchitis or chronic obstructive pulmonary disease

Summary of findings table ‐ immunostimulant probably leads to lower number of participants requiring antibiotics compared with placebo (moderate certainty).

1 finding from 1 review

Short‐acting inhaled beta‐2 agonists vs placebo

Number of exacerbations(as reported by number of hospitalisations and number of courses and days on antibiotics) · adults and children with cystic fibrosis

It is very uncertain whether short‐acting inhaled beta‐2 agonists changes number of exacerbations(as reported by number of hospitalisations… compared with placebo (very low certainty).

1 finding from 1 review

Summary of findings: Single vs combination intravenous anti‐pseudomonal antibiotic therapy

Time to next course of antibiotics  · adults and children with cystic fibrosis

The review found no eligible studies for this question.

2 findings from 1 review

Standard treatment plus systemic corticosteroids vs usual care

Duration of time requiring intravenous antibiotics · patients age 10 years and older with periorbital or orbital cellulitis

It is very uncertain whether standard treatment plus systemic corticosteroids changes duration of time requiring intravenous antibiotics compared with standard treatment alone (very low certainty).

1 finding from 1 review

Summary of findings: monoclonal antibody KB001‐A vs placebo

Need for antibiotics time to need for antibiotics · children (12 or over) and adults with cystic fibrosis and lung infection

Summary of findings: monoclonal antibody KB001‐A showed no clear difference in need for antibiotics time to need for antibiotics compared with placebo (moderate certainty).

1 finding from 1 review