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Classic Psychedelics for Treating Chronic Pain: Mechanism and Clinical Translation
Hongyu Chen1,2, Bowen Ke1,2, Ruotian Jiang1,2
1Department of Anesthesiology, West China Hospital, Sichuan University, Chengdu 610000, China.
Molecules (Basel, Switzerland)
|August 13, 2026
Summary
Classic psychedelics show promise for chronic pain by targeting central nervous system maladaptation. Further research is needed to overcome translational barriers and understand their analgesic mechanisms.
Area of Science:
- Neuroscience
- Psychopharmacology
- Pain Medicine
Background:
- Chronic pain involves central nervous system maladaptation and cognitive rigidity, often unresponsive to conventional analgesics.
- Classic psychedelics are being investigated as novel therapeutics for chronic pain conditions.
- Understanding their mechanisms and clinical applications is crucial for addressing therapeutic impasses.
Purpose of the Study:
- To provide a comprehensive overview of the emerging science of psychedelics for chronic pain.
- To synthesize the therapeutic potential and examine discrepancies between clinical outcomes and mechanistic research.
- To evaluate translational barriers and propose novel validation strategies.
Main Methods:
- Narrative review of existing scientific literature.
- Analysis of biological binding targets and neural mechanisms of classic psychedelics.
- Critical examination of clinical outcomes and translational challenges.
Main Results:
- Classic psychedelics exhibit potential for treating chronic pain by influencing neuroplasticity and subjective experiences.
- Discrepancies exist between foundational research and clinical outcomes, necessitating further investigation.
- Compromised blinding and expectancy bias are key translational barriers.
Conclusions:
- Psychedelics offer a paradigm shift for chronic pain management, potentially by modulating biological neuroplasticity and psychological experiences.
- Rethinking the synergistic roles of neuroplasticity and subjective experience is key to developing evidence-based psychedelic analgesics.
- Novel validation strategies are required to overcome translational hurdles and establish efficacy.
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