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Suzetrigine (Journavx): first-in-class NaV1.8 sodium-channel blocker offering non-opioid oral relief for moderate-to-severe acute pain

Abdullah Imtiaz, Ehtisham Haider, Hashir Atiq, Sakan Binte Imran, Joshua Ekouo

Annals of Medicine and Surgery, 2026

Abstract

Tissue injury, inflammation, or surgical trauma causes acute moderate-to-severe pain, which is a major cause of healthcare utilization worldwide. Pathophysiologically, nociceptive signaling is stimulated by the activation of peripheral sensory neurons, and the NaV1.8 voltage-gated sodium channel plays an important role in action potential conduction and the amplification of pain; it belongs to the NaV1 channel family. In patients, severe pain is often accompanied by functional disability, psychological suffering

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