Drug Landscape ›
SODIUM PHENYLBUTYRATE ›
Regulatory · United States
Marketing authorisations
FDA — authorised 7 November 1996
Application: NDA020573
Marketing authorisation holder: HORIZON THERAP US
Indication: Manufacturing (CMC)
Status: approved
Read official source →
FDA — authorised 7 November 1996
Application: NDA020572
Marketing authorisation holder: HORIZON THERAP US
Indication: Manufacturing (CMC)
Status: approved
Read official source →
FDA — authorised 18 November 2011
Application: ANDA090910
Marketing authorisation holder: ALVOGEN
Local brand name: SODIUM PHENYLBUTYRATE
Indication: TABLET — ORAL
Status: approved
Read official source →
FDA — authorised 22 March 2013
Application: ANDA202819
Marketing authorisation holder: SIGMAPHARM LABS LLC
Local brand name: SODIUM PHENYLBUTYRATE
Indication: POWDER — ORAL
Status: approved
Read official source →
FDA — authorised 15 April 2016
Application: ANDA204395
Marketing authorisation holder: PH HEALTH
Local brand name: SODIUM PHENYLBUTYRATE
Indication: TABLET — ORAL
Status: approved
Read official source →
FDA — authorised 15 June 2016
Application: ANDA203918
Marketing authorisation holder: PH HEALTH
Local brand name: SODIUM PHENYLBUTYRATE
Indication: POWDER — ORAL
Status: approved
Read official source →
FDA — authorised 1 November 2022
Application: ANDA216462
Marketing authorisation holder: GLENMARK PHARMS LTD
Local brand name: SODIUM PHENYLBUTYRATE
Indication: TABLET — ORAL
Status: approved
Read official source →
FDA — authorised 22 December 2022
Application: NDA214860
Marketing authorisation holder: ACER
Local brand name: OLPRUVA
Indication: FOR SUSPENSION — ORAL
Status: approved
Read official source →
FDA — authorised 17 February 2026
Application: ANDA220418
Marketing authorisation holder: NAVINTA LLC
Local brand name: SODIUM PHENYLBUTYRATE
Indication: TABLET — ORAL
Status: approved
Read official source →
Safety signals — FAERS
Adverse reaction reports describe suspected side effects. A report does not mean the drug caused the event — co-medications, underlying disease and coincidence all contribute.
Window: 20 April 2025 – 20 April 2026
Total reports: 151
Most-reported reactions
Diarrhoea — 26 reports (17.22%) Death — 24 reports (15.89%) Off Label Use — 21 reports (13.91%) Hyperammonaemia — 14 reports (9.27%) Nausea — 14 reports (9.27%) Decreased Appetite — 12 reports (7.95%) Drug Ineffective — 11 reports (7.28%) Fatigue — 11 reports (7.28%) Abdominal Pain — 9 reports (5.96%) Dyspnoea — 9 reports (5.96%)
Source database →
SODIUM PHENYLBUTYRATE in other countries
Same drug, different regulators. Each page below lists the local marketing authorisation, HTA position, pricing, and adverse-event data.
Frequently asked questions
Is SODIUM PHENYLBUTYRATE approved in United States?
Yes. FDA authorised it on 7 November 1996; FDA authorised it on 7 November 1996; FDA authorised it on 18 November 2011.
Who is the marketing authorisation holder for SODIUM PHENYLBUTYRATE in United States?
HORIZON THERAP US holds the US marketing authorisation.