Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

4,703 questions · 15,007 findings · 1,416 reviews

No studies found 2,881 · 19.2%GRADE not reported 1,551 · 10.3%Very low 3,111 · 20.7%Low 3,881 · 25.9%Moderate 2,669 · 17.8%High 914 · 6.1%

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Topical clonidine (TC) vs placebo

Participant‐reported pain relief of 50% or greater · adults with painful diabetic neuropathy

Topical clonidine (TC) showed no clear difference in participant‐reported pain relief of 50% or greater during longest compared with placebo (low certainty).

1 finding from 1 review

Topical clonidine (TC) vs placebo

Participant‐reported pain relief of 30% or greater · adults with painful diabetic neuropathy

It is very uncertain whether topical clonidine (TC) changes participant‐reported pain relief of 30% or greater during longest compared with placebo (very low certainty).

1 finding from 1 review

Topical clonidine (TC) vs placebo

Patient Global Impression of Change much or very much improved · adults with painful diabetic neuropathy

Topical clonidine (TC) showed no clear difference in much or very much improved on PGIC during longest compared with placebo (low certainty).

1 finding from 1 review

Topical clonidine (TC) vs placebo

Withdrawals due to adverse events · adults with painful diabetic neuropathy

Topical clonidine (TC) showed no clear difference in withdrawals due to adverse events during longest compared with placebo (low certainty).

1 finding from 1 review

Topical clonidine (TC) vs placebo

Number of participants reporting an adverse event · adults with painful diabetic neuropathy

Topical clonidine (TC) showed no clear difference in participants experiencing at least 1adverse event during longest compared with placebo (low certainty).

1 finding from 1 review

Full or partial opioid agonist maintenance vs placebo, detoxification only or psychological treatment (buprenorphine maintenance compared to taper or treatment

Adverse events · pharmaceutical opioid dependent people

It is very uncertain whether full or partial opioid agonist maintenance changes adverse events compared with placebo, detoxification only or psychological treatment… (very low certainty).

1 finding from 1 review

Full or partial opioid agonist maintenance vs placebo, detoxification only or psychological treatment (buprenorphine maintenance compared to taper or treatment

Days of unsanctioned opioid use · pharmaceutical opioid dependent people

Full or partial opioid agonist maintenance showed no clear difference in days of unsanctioned opioid use (as number of days/30 or days/7) compared with placebo, detoxification only or psychological treatment… (low certainty).

1 finding from 1 review

Full or partial opioid agonist maintenance vs placebo, detoxification only or psychological treatment (buprenorphine maintenance compared to taper or treatment

Opioid use · pharmaceutical opioid dependent people

It is very uncertain whether full or partial opioid agonist maintenance changes self‐reported opioid use at treatment completion compared with placebo, detoxification only or psychological treatment… (very low certainty).

2 findings from 1 review

Full or partial opioid agonist maintenance vs placebo, detoxification only or psychological treatment (buprenorphine maintenance compared to taper or treatment

Retention in treatment · pharmaceutical opioid dependent people

Full or partial opioid agonist maintenance probably leads to higher retention: proportion of participants retained in treatment compared with placebo, detoxification only or psychological treatment… (moderate certainty).

1 finding from 1 review