Cochrane · systematic review · CD014915

Cannabis‐based medicines and medical cannabis for adults with cancer pain

Häuser, W, Welsch, P, Radbruch, L, et al. · Cochrane Database of Systematic Reviews · 2023 · 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
7
current version
GRADE rated
6
No studies
1
Included studies
NR
No studies 1 · 14.3%Ungraded 0 · 0%Very low 0 · 0%Low 1 · 14.3%Moderate 5 · 71.4%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

Cannabis‐based medicines compared with placebo medication for cancer pain

Population: adults with cancer pain
7 questions
OutcomeEffectEvidenceStatus / GRADE
Proportion of participants reporting no worse than mild pain by 14 days after start of treatment
Cannabis‐based medicines vs placebo medication
no estimate extractedNRNo studies
PGIC of much improved or very much improved
Cannabis‐based medicines vs placebo medication
RD 0.06 [0.01, 0.12]3 studies · 996 participantsModerate
Downgraded: risk of bias
Withdrawals due to adverse events
Cannabis‐based medicines vs placebo medication
RD 0.04 [0, 0.08]4 studies · 1332 participantsModerate
Downgraded: risk of bias
Mean pain intensity (Numeric Rating Scale 0–10)
Cannabis‐based medicines vs placebo medication
no estimate extracted4 studies · 1315 participantsModerate
Downgraded: risk of bias
Daily maintenance opioid dosage (mg morphine equivalent)
Cannabis‐based medicines vs placebo medication
SMD 0.083 studies · 970 participantsLow
Downgraded: risk of bias, imprecision
Daily breakthrough opioid dosage (mg morphine equivalent)
Cannabis‐based medicines vs placebo medication
no estimate extracted3 studies · 957 participantsModerate
Downgraded: risk of bias
Participants experiencing any serious adverse event
Cannabis‐based medicines vs placebo medication
RD 0.024 studies · 1330 participantsModerate
Downgraded: risk of bias