Cochrane · systematic review · CD006924

Inhaled steroids with and without regular formoterol for asthma: serious adverse events

Janjua, S, Schmidt, S, Ferrer, M, et al. · Cochrane Database of Systematic Reviews · 2019 · Cochrane Library

Airways2 versionsAMSTAR 2: not assessed
SoF tableOnly the outcomes this review put in its Summary of Findings table are listed (the Cochrane Handbook caps them at about seven per comparison). Its other analyses are not shown here.
Questions
8
current version
GRADE rated
8
No studies
0
Included studies
NR
No studies 0 · 0%Ungraded 0 · 0%Very low 1 · 12.5%Low 3 · 37.5%Moderate 3 · 37.5%High 1 · 12.5%

Ungraded means an effect was reported without a GRADE rating; it is not a gap. No studies means the review found nothing to answer the question. The six categories are a display order, not a score.

Questions and results

Current version only

Regular formoterol and ICS compared to same‐dose ICS in adults with asthma

Population: adults with chronic asthma
CD006924.PUB4 (current) · 4 questions
OutcomeEffectEvidenceStatus / GRADE
All‐cause mortality
Regular formoterol and ICS vs same‐dose ICS
OR 1.25 [0.61, 2.56]32 studies · 35751 participantsModerate
All‐cause non‐fatal serious adverse events
Regular formoterol and ICS vs same‐dose ICS
OR 1 [0.87, 1.16]32 studies · 35751 participantsHigh
Asthma mortality
Regular formoterol and ICS vs same‐dose ICS
no estimate extracted31 studies · 24022 participantsLow
Downgraded: imprecision
Asthma‐related non‐fatal serious adverse events
Regular formoterol and ICS vs same‐dose ICS
OR 0.86 [0.64, 1.14]30 studies · 35158 participantsModerate

Regular formoterol and ICS compared to same‐dose ICS in children and adolescents with asthma

Population: children and adolescents with chronic asthma
CD006924.PUB4 (current) · 4 questions
OutcomeEffectEvidenceStatus / GRADE
All‐cause mortality
Regular formoterol and ICS vs same‐dose ICS
no estimate extracted10 studies · 4035 participantsLow
All‐cause non‐fatal serious adverse events
Regular formoterol and ICS vs same‐dose ICS
OR 1.33 [0.71, 2.49]10 studies · 4035 participantsModerate
Downgraded: imprecision
Asthma‐related mortality
Regular formoterol and ICS vs same‐dose ICS
no estimate extracted10 studies · 4035 participantsLow
Asthma‐related non‐fatal serious adverse events
Regular formoterol and ICS vs same‐dose ICS
OR 1.18 [0.4, 3.51]10 studies · 4035 participantsVery low
Downgraded: imprecision, inconsistency

Regular formoterol and ICS compared to ICS in adults with asthma

Population: adults with asthma
CD006924.PUB3 · 3 questions
OutcomeEffectEvidenceStatus / GRADE
All‐cause mortality
Regular formoterol and ICS vs ICS
OR 3.56 [0.79, 16.03]22 studies · 10578 participantsLow
Downgraded: imprecision
All‐cause non‐fatal serious adverse events
Regular formoterol and ICS vs ICS
OR 0.98 [0.76, 1.27]22 studies · 10578 participantsModerate
Downgraded: imprecision
Asthma‐related non‐fatal serious adverse events
Regular formoterol and ICS vs ICS
OR 0.49 [0.28, 0.88]21 studies · 10208 participantsModerate
Downgraded: risk of bias

Regular formoterol and ICS compared to ICS in children with asthma

Population: children with asthma
CD006924.PUB3 · 3 questions
OutcomeEffectEvidenceStatus / GRADE
All‐cause mortality
Regular formoterol and ICS vs ICS
no estimate extracted7 studies · 2788 participantsVery low
All‐cause non‐fatal serious adverse events
Regular formoterol and ICS vs ICS
OR 1.62 [0.8, 3.28]7 studies · 2788 participantsModerate
Downgraded: imprecision
Asthma‐related non‐fatal serious adverse events
Regular formoterol and ICS vs ICS
OR 1.49 [0.48, 4.61]7 studies · 2788 participantsLow
Downgraded: risk of bias, imprecision, inconsistency