Randomized Trialhigh evidence
Effects and costs of a group-based educational intervention to reduce opioid use in people with chronic pain: I-WOTCH RCT.
Health technology assessment (Winchester, England)·May 1, 2026·PMID 42138313
Why it mattersThis trial provides strong evidence that a structured, non-pharmacological group intervention can help patients voluntarily discontinue opioids without worsening pain, addressing a critical need in opioid stewardship for chronic pain.
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