Cochrane · systematic review · CD011008

Opioids for the palliation of refractory breathlessness in adults with advanced disease and terminal illness

Barnes, H, McDonald, J, Smallwood, N, et al. · Cochrane Database of Systematic Reviews · 2016 · Cochrane Library

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
10
current version
GRADE rated
10
No studies
0
Included studies
NR
No studies 0 · 0%Ungraded 0 · 0%Very low 9 · 90%Low 1 · 10%Moderate 0 · 0%High 0 · 0%

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

Comparison

Population: adults with refractory breathlessness
8 questions
OutcomeEffectEvidenceStatus / GRADE
Breathlessness: change from baseline1
no estimate extracted6 studies · 194 participantsVery low
Downgraded: risk of bias, imprecision, inconsistency
Breathlessness: post‐treatment score1
no estimate extracted12 studies · 338 participantsLow
Downgraded: risk of bias, imprecision
Exercise tolerance: 6MWT5 ‐ total distance
no estimate extracted1 study · 11 participantsVery low
Downgraded: risk of bias, imprecision, inconsistency
Exercise tolerance: 6MWT5‐ change from baseline
no estimate extracted2 studies · 26 participantsVery low
Downgraded: risk of bias, imprecision
Adverse events: constipation
RR 3 [1.63, 5.51]9 studies · 162 participantsVery low
Downgraded: risk of bias, imprecision
Adverse events: nausea and vomiting
RR 4.73 [1.73, 12.97]7 studies · 104 participantsVery low
Downgraded: risk of bias, imprecision
Adverse events: drowsiness
RR 2.86 [1.17, 7.02]9 studies · 156 participantsVery low
Downgraded: risk of bias, imprecision
Quality of life7
no estimate extracted1 study · 16 participantsVery low
Downgraded: risk of bias, imprecision, inconsistency

Comparison

Population: adults with refractory breathlessness
1 question
OutcomeEffectEvidenceStatus / GRADE
Breathlessness: post‐treatment score1
no estimate extracted1 study · 63 participantsVery low
Downgraded: risk of bias, imprecision, inconsistency

Comparison

Population: adults with refractory breathlessness
1 question
OutcomeEffectEvidenceStatus / GRADE
Breathlessness: post‐treatment score1
no estimate extracted1 study · 7 participantsVery low
Downgraded: risk of bias, imprecision, inconsistency