Suzetrigine, a Non-Opioid NaV1.8 Inhibitor With Broad Applicability for Moderate-to-Severe Acute Pain: A Phase 3 Single-Arm Study for Surgical or Non-Surgical Acute Pain
Abstract
Background: Many patients experience inadequate pain control due to limited options that are both efficacious and safe for treating moderate-to-severe acute pain; therefore, opioids are still frequently prescribed for their effectiveness despite known tolerability issues and safety concerns. Suzetrigine, an oral, non-opioid, offers a promising alternative by selectively inhibiting the voltage-gated sodium channel 1.8 (Na V 1.8), a novel therapeutic target for pain management. Given the high selectivity of suzetrigine for Na V 1.8 (does not bind to other sodium channels/receptors with CNS activity), suzetrigine does not have CNS side effects or addictive potential associated with opioids. In the largest randomized, controlled phase 3 trials in established acute pain models, suzetrigine monotherapy demonstrated statistically significant and clinically meaningful reduction in moderate-to-severe acute pain compared to placebo. Methods: To evaluate the safety and effectiveness of suzetrigine for the treatment of moderate-to-severe-acute surgical and non-surgical pain conditions, we conducted a phase 3, single-arm study in adults with moderate or severe acute pain on the verbal categorical rating scale and ≥ 4 on the numeric pain rating scale following surgical procedures or after presenting to a medical facility with moderate or severe acute pain of new origin. Participants received suzetrigine (100mg then 50mg every 12hrs) for 14 days or pain resolution, whichever came first.…
How strong is the evidence?
Evidence Hub reads this as a randomized trial, done in people. Its evidence level is 2 of 5 (High · randomized trial). Randomized trials of a reasonable size are the strongest single-study design. Reported size: 256 participants or records.
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