Name | Suzetrigine |
CAS number | 2649467-58-1 |
Structural formula |  |
Description | Suzetrigine (VX-548), trade name Journalvx, is developed by Vertex Pharmaceuticals, an oral selective NaV1.8 inhibitor approved by the FDA for the treatment of moderate to severe acute pain in adults. NaV1.8 is a voltage-gated sodium channel that plays a key role in transmitting pain signals and is selectively expressed in peripheral pain receptors and dorsal root ganglia.. |
Molecular Formula | C21H20F5N3O4 |
Molecular Weight | 473.4 g/mol |
Appearance | White powder |
Quality Standard | 99% |
Storage Condition | Store below +30°C. |
Shelf Life | 24 months under above conditions, and kept in its unopened original packaging. |
Origin | China |
Suzetrigine is a novel small-molecule compound currently under investigation as a next-generation analgesic, specifically targeting chronic neuropathic pain conditions. As a selective T-type calcium channel (Cav3.2) modulator, it represents a new class of non-opioid pain therapeutics with potential advantages in safety and tolerability profiles. The compound typically appears as a white to off-white crystalline powder with optimized stability for pharmaceutical formulation. Its development addresses the critical need for effective alternatives to traditional analgesics in managing difficult-to-treat pain syndromes.
Pharmacological Action
Suzetrigine exerts its therapeutic effects through:
Voltage-gated calcium channel modulation: Selective inhibition of Cav3.2 T-type calcium channels in dorsal root ganglia neurons
Pain pathway interruption: Attenuation of neuronal hyperexcitability in pain transmission pathways
Neuroprotective properties: Potential to prevent central sensitization and chronic pain development
Preclinical studies demonstrate superior efficacy in neuropathic pain models compared to gabapentinoids, with maintained analgesic effects without tolerance development. The compound shows minimal interaction with CNS targets associated with sedation or cognitive impairment.
Usage Instructions
Administration: Currently in clinical trials as an oral formulation (typical dose range 50-200 mg BID)
Dosing: Should be titrated based on individual response and tolerability
Monitoring: Requires assessment of pain relief and neurological function
Special Populations: Not yet established for pediatric use, pregnancy, or severe hepatic impairment
Note: Final prescribing information will be determined upon regulatory approval. Clinical trial protocols specify strict adherence to study-designed regimens.
Adverse Effects
Based on Phase II clinical data:
Most common: Mild dizziness (15%), headache (12%), and fatigue (9%)
Neurological: Rare instances of dose-dependent somnolence (<5%)
Gastrointestinal: Occasional nausea (7%) typically transient
Special concerns: No significant cardiovascular effects or respiratory depression observed
Discontinuation: Required in <3% of participants due to adverse events
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