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Author Spotlight: Fu's Subcutaneous Needling for Knee Osteoarthritis Pain
Published on: March 24, 2023
Emerging targets and therapeutic approaches for the treatment of osteoarthritis pain
Wahida Rahman1, Anthony H Dickenson
1Department of Neuroscience, Physiology and Pharmacology, University College London, London, UK.
Purpose Of Review:
Osteoarthritis is a complex and often painful disease that is inadequately controlled with current analgesics. This review discusses emerging targets and therapeutic approaches that may lead to the development of better analgesics.
Recent Findings:
Aberrant excitability in peripheral and central pain pathways drives osteoarthritis pain, reversing this via modulation of nerve growth factor, voltage-gated sodium channel, voltage-gated calcium channel and transient receptor potential vanilloid one activity, and increasing inhibitory mechanisms through modulation of cannabinoid and descending modulatory systems hold promise for osteoarthritis pain therapy. Somatosensory phenotyping of chronic pain patients, as a surrogate of putative pain generating mechanisms, may predict patient response to treatment.
Summary:
Identification of new targets will inform and guide future research, aiding the development of more effective analgesics. Future clinical trial designs should implement sensory phenotyping of patients, as an inclusion or stratification criterion, in order to establish an individualized, mechanism-based treatment of osteoarthritis pain.
Insights
New therapeutic targets show promise for managing osteoarthritis pain by addressing aberrant nerve pathway excitability. Personalized treatment approaches, guided by patient sensory phenotyping, are crucial for developing more effective analgesics.
Area of Science:
- Pain research
- Pharmacology
- Neurology
Background:
- Osteoarthritis (OA) pain is complex and poorly managed by current analgesics.
- Aberrant excitability in peripheral and central pain pathways contributes significantly to OA pain.
- Existing treatments often fail to provide adequate pain relief for OA patients.
Purpose of the Study:
- To review emerging therapeutic targets for osteoarthritis pain.
- To discuss novel approaches for developing improved analgesics.
- To highlight the potential of mechanism-based OA pain management.
Main Methods:
- Review of current literature on osteoarthritis pain mechanisms.
- Analysis of emerging molecular and cellular targets for pain modulation.
- Exploration of novel therapeutic strategies including pharmacological and non-pharmacological interventions.
Main Results:
- Modulation of nerve growth factor, ion channels (sodium, calcium), and TRPV1 shows therapeutic potential.
- Enhancing inhibitory mechanisms via cannabinoid and descending modulatory systems offers a promising avenue.
- Somatosensory phenotyping may predict patient response to specific OA pain treatments.
Conclusions:
- Identifying new targets is essential for advancing OA pain management.
- Individualized, mechanism-based treatment strategies are needed for effective OA pain control.
- Incorporating sensory phenotyping in clinical trials can guide personalized analgesic development.
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