AMMONUL by Bausch + Lomb is enzymes: n -acetylglutamate synthetase (nags), carbamyl phosphate synthetase (cps), argininosuccinate synthetase (ass), ornithine transcarbamylase (otc), argininosuccinate lyase (asl), or arginase (arg). First approved in 2005.
Drug data last refreshed 3h ago · AI intelligence enriched 1mo ago
AMMONUL is an intravenous solution containing sodium phenylacetate and sodium benzoate that provides an alternative nitrogen disposal pathway for patients with urea cycle disorders. It works by enabling conjugation with glutamine and glycine to form phenylacetylglutamine and hippuric acid, respectively, which are then renally excreted as waste nitrogen alternatives to urea. This mechanism bypasses defects in any of the six urea cycle enzymes (NAGS, CPS, ASS, OTC, ASL, ARG).
As an aging IV therapy approaching loss of exclusivity with moderate competitive pressure (30/100), brand teams face declining revenue and shrinking portfolios, signaling potential restructuring or transition opportunities.
enzymes: N -acetylglutamate synthetase (NAGS), carbamyl phosphate synthetase (CPS), argininosuccinate synthetase (ASS), ornithine transcarbamylase (OTC), argininosuccinate lyase (ASL), or arginase (ARG). Sodium phenylacetate and sodium benzoate are metabolically active compounds that can serve as…
Indication data is being enriched from DailyMed and FDA labeling. Check back soon for approved therapeutic uses.
Efficacy and Safety Study of Ammonul® in Patients With Grade 3 or 4 Hepatic Encephalopathy
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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.
Working on AMMONUL offers deep expertise in ultra-rare disease commercialization, specialty IV logistics, and hospital-based selling—valuable for rare disease career tracks. However, with 0 linked job openings and LOE approaching, this is a consolidation phase requiring strong execution skills rather than growth opportunity.