Therapeutic Effect of Suzetrigine in the Management of Notalgia Paresthetica: A Case Report
Abstract
BACKGROUND: Notalgia paresthetica is a sensory neuropathy characterized by severe pruritus, pain, and hyperpigmented patches in the T2-T6 distribution. Despite multiple treatment options, there are no established guidelines to manage this challenging sensory neuropathy.
CASE REPORT: A 64-year-old man presented to the pain clinic with persistent notalgia paresthetica for 5 years. He was unable to tolerate oral neuropathic agents, and insurance coverage for capsaicin cream and botulinum toxin injections was denied. He was treated with suzetrigine, a novel NaV1.8 channel inhibitor, for 1 month and experienced complete resolution of symptoms.
CONCLUSIONS: The etiology of notalgia paresthetica has not been fully elucidated, but it is thought to involve irritation and aberrant firing of the thoracic spinal nerves.
UNLABELLED: This response to suzetrigine suggests that it may act as a peripheral nerve membrane stabilizer and may be a treatment option for this condition.
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