Adverse eventsPercentage of participants with any adverse event · patients undergoing knee arthroscopy
Morphine showed no clear difference in adverse eventsPercentage of participants with any adverse event compared with placebo (low certainty).
1 finding from 1 review
'Substantial benefit' (≥ 50% reduction in pain or PGIC very much improved) · adults with neuropathic pain (2 studies in peripheral diabetic neuropathy and 1 study in postherpetic neuralgia)
1 finding from 1 review
no estimate extracted
Studies not reported
Very low
Moderate benefit: At least 30% reduction in pain, or PGIC much or very much improved · adults with neuropathic pain (2 studies in peripheral diabetic neuropathy and 1 study in postherpetic neuralgia)
1 finding from 1 review
Withdrawals due to adverse events · adults with neuropathic pain (2 studies in peripheral diabetic neuropathy and 1 study in postherpetic neuralgia)
1 finding from 1 review
Lack of efficacy withdrawal · adults with neuropathic pain (2 studies in peripheral diabetic neuropathy and 1 study in postherpetic neuralgia)
1 finding from 1 review
Serious adverse events · adults with neuropathic pain (2 studies in peripheral diabetic neuropathy and 1 study in postherpetic neuralgia)
1 finding from 1 review
Death · adults with neuropathic pain (2 studies in peripheral diabetic neuropathy and 1 study in postherpetic neuralgia)
1 finding from 1 review
Substantial benefit: At least 50% reduction in pain, or PGIC much improved · adults with chronic neuropathic pain
The review found no eligible studies for this question.
1 finding from 1 review
no estimate extracted
Studies not reported
No studies found
Moderate benefit: At least 30% reduction in pain, or PGIC much or very much improved · adults with chronic neuropathic pain
The review found no eligible studies for this question.
1 finding from 1 review
no estimate extracted
Studies not reported
No studies found
Lack of efficacy withdrawal in randomised double‐blind phase · adults with chronic neuropathic pain
1 finding from 1 review
Adverse event withdrawal in randomised double‐blind phase · adults with chronic neuropathic pain
1 finding from 1 review
Serious adverse events · adults with chronic neuropathic pain
The review found no eligible studies for this question.
1 finding from 1 review
no estimate extracted
Studies not reported
No studies found
Deaths · adults with chronic neuropathic pain
The review found no eligible studies for this question.
1 finding from 1 review
no estimate extracted
Studies not reported
No studies found
At least 50% reduction in pain · adults with fibromyalgia
1 finding from 1 review
Adverse events as N of participants with at least one adverse event objective · adults with fibromyalgia enrolled in EERW studies
1 finding from 1 review
Serious adverse events · adults with fibromyalgia enrolled in EERW studies
1 finding from 1 review
Death · adults with fibromyalgia enrolled in EERW studies
1 finding from 1 review
PGIC very much improved · adults with fibromyalgia
1 finding from 1 review
At least 30% reduction in pain · adults with fibromyalgia
1 finding from 1 review
Moderate benefit · adults with fibromyalgia
1 finding from 1 review