Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

147 questions · 147 findings · 11 reviews

No studies found 60 · 40.8%GRADE not reported 4 · 2.7%Very low 35 · 23.8%Low 40 · 27.2%Moderate 6 · 4.1%High 2 · 1.4%

Lower‐dose methylnaltrexone vs higher dose

Laxation response: patient assessment of change in bowel status at the end of trial · people receiving palliative care irrespective of whether they had cancer with opioid‐induced bowel dysfunction

Methylnaltrexone lower dose showed no clear difference in laxation response: patient assessment of change in bowel statusgat… compared with higher dose (low certainty).

1 finding from 1 review

Lower‐dose methylnaltrexone vs higher dose

Symptoms of opioid withdrawal in the medium term · people receiving palliative care irrespective of whether they had cancer with opioid‐induced bowel dysfunction

Methylnaltrexone lower dose showed no clear difference in symptoms of opioid withdrawal in the medium term compared with higher dose (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

Naldemedine vs placebo

Symptoms of opioid withdrawal in the medium term · people with cancer irrespective of whether receiving palliative care and with opioid‐induced bowel dysfunction

It is very uncertain whether naldemedine changes symptoms of opioid withdrawalein the medium termc compared with placebo (very low certainty).

1 finding from 1 review

Naldemedine vs placebo

Serious adverse eventsh · people with cancer irrespective of whether receiving palliative care and with opioid‐induced bowel dysfunction

Naldemedine showed no clear difference in serious adverse eventsh compared with placebo (low certainty).

1 finding from 1 review

Low dose naldemedine vs higher dose

Laxation response: risk of spontaneous rescue‐free bowel movements in the short terma · people with cancer irrespective of whether receiving palliative care and with opioid‐induced bowel dysfunction

The review found no eligible studies for this question.

1 finding from 1 review

Low dose naldemedine vs higher dose

Laxation response: risk of spontaneous rescue‐free bowel movements in the medium termb · people with cancer irrespective of whether receiving palliative care and with opioid‐induced bowel dysfunction

Low dose naldemedine may leads to lower laxation response: risk of spontaneous rescue‐free bowel movements… compared with higher doses (low certainty).

1 finding from 1 review

Low dose naldemedine vs higher dose

Laxation response: patient assessment of change in bowel status at the end of trial · people with cancer irrespective of whether receiving palliative care and with opioid‐induced bowel dysfunction

The review found no eligible studies for this question.

1 finding from 1 review