Circadian Rhythms and Pain: A Narrative Review on Clock Genes and Circadian-Based Interventions

📖 Top 30% JournalSep 15, 2025Journal of pain research

How Body Clocks Relate to Pain and Treatments Based on Daily Rhythms

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Abstract

Pain sensitivity may exhibit circadian rhythms influenced by .

Circadian rhythms are regular changes in physiological and behavioral functions occurring over a 24-hour cycle.
Clock genes are believed to play a role in regulating pain sensitivity.
The review discusses various pain types, including nerve injury pain, inflammatory pain, and fibromyalgia, in relation to clock genes.
Restoring normal circadian rhythms and regulating clock gene expression may be strategies for managing pain.
Understanding the connection between circadian rhythms and pain could enhance treatment approaches for pain patients.

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Pain is a common symptom of many diseases and seriously affects the quality of life. is the regular, cyclical physiological, biochemical, and behavioral changes that occur within a 24-hour period in biological organisms, primarily regulated by . Pain sensitivity may have circadian rhythms, with clock genes likely influencing this pain-related rhythmicity. Therefore, restoring normal circadian rhythms and regulating the expression of clock genes are regarded as viable strategies to combat the development of pain. First, this review elucidates the core operational mechanisms of clock genes. Second, it also discusses the relationship among multiple types of pain and clock genes, such as sciatic nerve injury, inflammatory pain, chemotherapy-induced neuropathic pain, headache, the pain of Restless Legs Syndrome and fibromyalgia. Third, it presents the pain treatment and pain management strategies based on the current research on circadian rhythms. Exploring the role of circadian rhythm in pain can help increase our understanding of pain and have significant clinical implications for pain patients.

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Abstract

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