priors.science/reviews/chronic-pain-pharmacotherapy

Chronic Pain Pharmacotherapy

The current evidence on 16 claims, ordered from most established to most contested. Each score is the panel’s evidence certainty — how firmly the literature supports the claim as stated.

16claims tracked
245primary papers reviewed
9 Aug 2026latest evidence review
Weeklyre-scored against new papers
0 Established · 2 Likely · 5 Uncertain · 7 Doubtful · 2 Refuted  |  four-reviewer panel · PICO Framework
ClaimStandingEvidence certaintyCorpus
Pregabalin reduces pain scores in diabetic peripheral neuropathyGabLong-standingLikely81%21
Duloxetine reduces pain and disability in diabetic neuropathic painAntLong-standingLikely73%18
SNRIs reduce pain scores in fibromyalgiaAntLong-standingUncertain67%21
Cannabis cognitive adverse effectsCanUncertain62%19
Tapentadol over oxycodone in neuropathyOpdLong-standingUncertain57%16
Opioids induce hyperalgesiaOpdLong-standingUncertain50%19
Gabapentinoids in non-neuropathic painGabDoubtful45%12
Buprenorphine vs full-agonist opioidsOpdDoubtful44%15
Gabapentin vs pregabalin efficacyGabLong-standingDoubtful42%15
Low-dose naltrexone in fibromyalgiaNovDoubtful42%20
Medical cannabis for chronic painCanDoubtful40%14
Tapering improves pain outcomesOpdDoubtful32%18
Ketamine-assisted opioid taperingNovDoubtful30%11
THC-dominant cannabis reduces pain more than CBD-only formulationsCanRefuted25%17
Duloxetine plus pregabalin in neuropathyAntRefuted21%14
Track Chronic Pain Pharmacotherapy.
These claims are re-scored against new papers every week. Track this topic for the full review, including each claim’s challenge and the papers behind it.
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Standing — what the evidence certainty means
Established≥ 85%Strong, consistent evidence. Unlikely to change.
Likely70–84%Well supported, with some gaps or indirect evidence.
Uncertain50–69%Mixed or limited evidence. Genuinely open.
Doubtful30–49%Little support; the weight of evidence leans against it.
Refuted< 30%The evidence contradicts it — confidently false as stated.
Where the evidence sits in time
Long-standingMost of this evidence is older than the rest of this field.