Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

63 questions · 68 findings · 13 reviews

No studies found 5 · 7.4%GRADE not reported 0 · 0%Very low 10 · 14.7%Low 33 · 48.5%Moderate 13 · 19.1%High 7 · 10.3%

Pharmacological detoxification treatment vs other pharmacological detoxification treatment

Completion of treatment · management of opium withdrawal

Pharmacological detoxification treatment may leads to higher completion of treatment: clonidine versus methadone compared with other pharmacological detoxification treatment (low certainty).

3 findings from 1 review

Pharmacological detoxification treatment vs other pharmacological detoxification treatment

Completion of treatment: methadone versus methadone plus gabapentin · management of opium withdrawal

Pharmacological detoxification treatment showed no clear difference in completion of treatment: methadone versus methadone plus gabapentin compared with other pharmacological detoxification treatment (low certainty).

1 finding from 1 review

Intervention not reported

Retained in naltrexone maintenance treatment or abstinent at 12 weeks ‐ Tapered methadone comparison · patients with opioid withdrawal

The intervention showed no clear difference in retained in naltrexone maintenance treatment or abstinent at 12… (low certainty).

1 finding from 1 review

Full opioid agonists vs different full opioid agonists or partial opioid agonists (methadone versus buprenorphine)

Illicit opioid use · pharmaceutical opioid dependent people

Full opioid agonists showed no clear difference in illicit opioid use compared with different full opioid agonists or partial opioid agonists (methadone… (moderate certainty).

3 findings from 1 review

Full opioid agonists vs different full opioid agonists or partial opioid agonists (methadone versus buprenorphine)

Retention [ · pharmaceutical opioid dependent people

Full opioid agonists may leads to higher retention compared with different full opioid agonists or partial opioid agonists (methadone… (low certainty).

1 finding from 1 review

Full opioid agonists vs different full opioid agonists or partial opioid agonists (methadone versus buprenorphine)

Adverse effects · pharmaceutical opioid dependent people

Full opioid agonists showed no clear difference in adverse effects compared with different full opioid agonists or partial opioid agonists (methadone… (low certainty).

1 finding from 1 review

Morphine vs methadone

Adverse events (treatment related) To discharge · newborn infants with opioid withdrawal

Morphine showed no clear difference in adverse events (treatment related) To discharge compared with methadone (low certainty).

1 finding from 1 review