Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

55 questions · 55 findings · 12 reviews

No studies found 7 · 12.7%GRADE not reported 3 · 5.5%Very low 9 · 16.4%Low 21 · 38.2%Moderate 15 · 27.3%High 0 · 0%

Lower‐dose methylnaltrexone vs higher dose

Laxation response: risk of spontaneous rescue‐free bowel movements in the short terma · 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: risk of spontaneous rescue‐free bowel… compared with higher dose (low certainty).

1 finding from 1 review

Lower‐dose methylnaltrexone vs higher dose

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

It is very uncertain whether methylnaltrexone lower dose changes laxation response: risk of spontaneous rescue‐free bowel… compared with higher dose (very low certainty).

1 finding from 1 review

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

naltrexone vs no pharmacological

Criminal activity dichotomous ‐ Reincarceration official records · patients with drug‐using offenders

Summary of findings for the main comparisons: Antagonost (Naltrexone) probably leads to lower criminal activity dichotomous ‐ Reincarceration official records compared with no pharmacological (moderate certainty).

1 finding from 1 review

Buprenorphine vs clonidine

Initiation of naltrexone treatment Number of participants initiating naltrexone · patients with opiate dependent adolescents

Buprenorphine probably leads to higher initiation of naltrexone treatment Number of participants initiating… compared with clonidine (moderate certainty).

1 finding from 1 review