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What do systematic reviews say?

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Evidence found and GRADE certainty

1,655 questions · 1,751 findings · 147 reviews · Pain, Palliative and Supportive Care

No studies found 361 · 20.6%GRADE not reported 87 · 5%Very low 625 · 35.7%Low 367 · 21%Moderate 232 · 13.2%High 79 · 4.5%

Cannabis‐based medicines vs placebo medication

Daily breakthrough opioid dosage (mg morphine equivalent) · adults with cancer‐related pain

Cannabis‐based medicines showed no clear difference in daily breakthrough opioid dosage (mg morphine equivalent) compared with placebo medication (moderate certainty).

1 finding from 1 review

Diclofenac vs opioid

Nausea and vomiting · children with acute postoperative pain

Diclofenac probably leads to lower nausea, vomiting, or both during study period № of participants: 463… compared with opioids (moderate certainty).

1 finding from 1 review

Diclofenac vs opioid

Any bleeding during study period № of participants: 100(2 RCTs)d · children with acute postoperative pain

Diclofenac probably leads to higher any bleeding during study period № of participants: 222 (2 RCTs) compared with opioids (moderate certainty).

1 finding from 1 review