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What do systematic reviews say?

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Evidence found and GRADE certainty

226 questions · 233 findings · 86 reviews · Pain, Palliative and Supportive Care

No studies found 41 · 17.6%GRADE not reported 13 · 5.6%Very low 115 · 49.4%Low 32 · 13.7%Moderate 25 · 10.7%High 7 · 3%

Low dose naldemedine vs higher dose

Adverse events · people with cancer irrespective of whether receiving palliative care and with opioid‐induced bowel dysfunction

Low dose naldemedine showed no clear difference in adverse events compared with higher doses (low certainty).

1 finding from 1 review

Naloxone + oxycodone prolonged release tablets vs oxycodone

Adverse events · people with cancer irrespective of whether they were receiving palliative care opioid‐induced bowel dysfunction

Naloxone + oxycodone prolonged release tablets showed no clear difference in adverse events compared with oxycodone prolonged‐released tablets (low certainty).

1 finding from 1 review

Lower‐dose methylnaltrexone vs higher dose

Adverse events · people receiving palliative care irrespective of whether they had cancer with opioid‐induced bowel dysfunction

Methylnaltrexone lower dose showed no clear difference in adverse events compared with higher dose (low certainty).

1 finding from 1 review