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Buphenyl (NaPBA) — Competitive Intelligence Brief

Buphenyl (NaPBA) (Buphenyl (NaPBA)) competitive landscape: 0 comparators, recent regulatory actions, upcoming PDUFA, patent timeline. Class: Nitrogen scavenger. Area: Metabolic/Genetic Disorders.

phase 3 Nitrogen scavenger Metabolic/Genetic Disorders Small molecule Live · refreshed every 30 min

Target snapshot

Buphenyl (NaPBA) (Buphenyl (NaPBA)) — Amgen. Buphenyl (sodium phenylbutyrate) provides an alternative pathway for nitrogen excretion by conjugating with glutamine to form phenylacetylglutamine, which is then renally eliminated.

Comparator set

Auto-detected by same drug class / molecular target / therapeutic area, ranked by phase + recency. Override with ?vs=slug1,slug2,….

DrugGenericSponsorPhaseClassTargetApproval / PDUFA
Buphenyl (NaPBA) TARGET Buphenyl (NaPBA) Amgen phase 3 Nitrogen scavenger

Recent regulatory actions (last 90 days)

No regulatory actions in the last 90 days for this set.

Upcoming PDUFA dates (next 180 days)

No PDUFA dates in the next 180 days for this set.

Patent timeline (forward window)

No upcoming patent expiries for this set.

Sponsor landscape (Nitrogen scavenger class)

  1. Amgen · 1 drug in this class

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Cite this brief

Drug Landscape (2026). Buphenyl (NaPBA) — Competitive Intelligence Brief. https://druglandscape.com/ci/buphenyl-napba. Accessed 2026-06-10.

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Primary sources · FDA · ClinicalTrials.gov · EMA · SEC EDGAR · ChEMBL · Wikidata · full sourcing