NUEDEXTA (dextromethorphan hydrobromide and quinidine sulfate) by R-Pharm US is (dm) is a sigma-1 receptor agonist and an uncompetitive nmda receptor antagonist. Approved for pseudobulbar affect (pba). First approved in 2010.
Drug data last refreshed 18h ago · AI intelligence enriched 3w ago
NUEDEXTA is an oral capsule combination of dextromethorphan hydrobromide and quinidine sulfate approved in October 2010 for the treatment of pseudobulbar affect (PBA). Dextromethorphan acts as a sigma-1 receptor agonist and uncompetitive NMDA receptor antagonist, while quinidine inhibits CYP2D6 metabolism to elevate dextromethorphan plasma levels. The mechanism by which dextromethorphan produces therapeutic benefit in PBA patients remains incompletely understood. NUEDEXTA represents a niche therapeutic option for a rare neurological condition with limited alternative treatments.
(DM) is a sigma-1 receptor agonist and an uncompetitive NMDA receptor antagonist. Quinidine increases plasma levels of dextromethorphan by competitively inhibiting cytochrome P450 2D6, which catalyzes a major biotransformation pathway for dextromethorphan. The mechanism by which dextromethorphan…
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The information on this page is for informational purposes only and should not be used as a substitute for professional medical advice. Drug information is sourced from FDA, DailyMed, and other government databases. Adverse event data from FAERS does not establish causation. Always consult a healthcare professional for medical decisions.
Patent cliff in less than a year — expect lifecycle management and generic defense hiring
$181M Medicare spend — this is a commercially significant brand
NUEDEXTA employment activity is minimal, with zero currently linked open positions, reflecting the product's niche market status and smaller commercial footprint. Roles typically associated with this product would include specialty brand managers, field-based neurological specialists, and medical science liaisons targeting neurology/psychiatry segments. Key skills include deep knowledge of PBA epidemiology, payer negotiation experience in orphan/niche indications, and readiness to transition post-LOE strategies.
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