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Last Updated: May 22, 2024

BUPHENYL Drug Patent Profile


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When do Buphenyl patents expire, and when can generic versions of Buphenyl launch?

Buphenyl is a drug marketed by Horizon Therap Us and is included in two NDAs.

The generic ingredient in BUPHENYL is sodium phenylbutyrate. There are one thousand four hundred and seventy-two drug master file entries for this compound. Six suppliers are listed for this compound. Additional details are available on the sodium phenylbutyrate profile page.

DrugPatentWatch® Litigation and Generic Entry Outlook for Buphenyl

A generic version of BUPHENYL was approved as sodium phenylbutyrate by SIGMAPHARM LABS LLC on March 22nd, 2013.

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Drug patent expirations by year for BUPHENYL
Drug Prices for BUPHENYL

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Recent Clinical Trials for BUPHENYL

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SponsorPhase
Children's Hospital of PhiladelphiaPhase 1/Phase 2
Johns Hopkins UniversityPhase 1/Phase 2
National Jewish HealthPhase 1/Phase 2

See all BUPHENYL clinical trials

Pharmacology for BUPHENYL

US Patents and Regulatory Information for BUPHENYL

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Exclusivity Expiration
Horizon Therap Us BUPHENYL sodium phenylbutyrate POWDER;ORAL 020573-001 Apr 30, 1996 AB RX Yes Yes ⤷  Sign Up ⤷  Sign Up ⤷  Sign Up
Horizon Therap Us BUPHENYL sodium phenylbutyrate TABLET;ORAL 020572-001 May 13, 1996 AB RX Yes Yes ⤷  Sign Up ⤷  Sign Up ⤷  Sign Up
>Applicant >Tradename >Generic Name >Dosage >NDA >Approval Date >TE >Type >RLD >RS >Patent No. >Patent Expiration >Product >Substance >Delist Req. >Exclusivity Expiration

EU/EMA Drug Approvals for BUPHENYL

Company Drugname Inn Product Number / Indication Status Generic Biosimilar Orphan Marketing Authorisation Marketing Refusal
Eurocept International B. V. Pheburane sodium phenylbutyrate EMEA/H/C/002500
Treatment of chronic management of urea-cycle disorders.
Authorised no no no 2013-07-30
Immedica Pharma AB Ammonaps sodium phenylbutyrate EMEA/H/C/000219
Ammonaps is indicated as adjunctive therapy in the chronic management of urea cycle disorders, involving deficiencies of carbamylphosphate synthetase, ornithine transcarbamylase orargininosuccinate synthetase.It is indicated in all patients with neonatal-onset presentation (complete enzyme deficiencies, presenting within the first 28 days of life). It is also indicated in patients with late-onset disease(partial enzyme deficiencies, presenting after the first month of life) who have a history of hyperammonaemic encephalopathy.
Authorised no no no 1999-12-07
>Company >Drugname >Inn >Product Number / Indication >Status >Generic >Biosimilar >Orphan >Marketing Authorisation >Marketing Refusal

International Patents for BUPHENYL

See the table below for patents covering BUPHENYL around the world.

Country Patent Number Title Estimated Expiration
World Intellectual Property Organization (WIPO) 8504805 ⤷  Sign Up
European Patent Office 0177499 ⤷  Sign Up
>Country >Patent Number >Title >Estimated Expiration

Supplementary Protection Certificates for BUPHENYL

Patent Number Supplementary Protection Certificate SPC Country SPC Expiration SPC Description
2563920 CR 2019 00001 Denmark ⤷  Sign Up PRODUCT NAME: INOTERSEN AND SALT THEREOF, INCLUDING SODIUM SALTS; REG. NO/DATE: EU/1/18/1296 20180710
1856135 CA 2020 00018 Denmark ⤷  Sign Up PRODUCT NAME: FOSTAMATINIB OR A PHARMACEUTICALLY ACCEPTABLE SALT OF FOSTAMATINIB, OR A HYDRATE, SOLVATE OR N-OXIDE OF FOSTAMATINIB OR THE PHARMACEUTICALLY ACCEPTABLE SALT OF FOSTAMATINIB, ESPECIALLY FOSTAMATINIB DISODIUM, OPTIONALLY IN FORM OF A HYDRATE; REG. NO/DATE: EU/1/19/1405 20200113
2666774 LUC00167 Luxembourg ⤷  Sign Up PRODUCT NAME: RELEBACTAM, EVENTUELLEMENT SOUS FORME DE MONOHYDRATE, IMIPENEME ET CILASTATINE, EVENTUELLEMENT SOUS FORME DE SEL DE SODIUM; AUTHORISATION NUMBER AND DATE: EU/1/19/1420 20200217
2932970 SPC/GB18/041 United Kingdom ⤷  Sign Up PRODUCT NAME: A COMBINATION COMPRISING DOLUTEGRAVIR OR A PHARMACEUTICALLY ACCEPTABLE SALT THEREOF (E.G. DOLUTEGRAVIR SODIUM) AND RILPIVIRINE OR A PHARAMACEUTICALLY ACCEPTABLE SALT THEREOF (E.G. RILPIVIRINE HYDROCHLORIDE); REGISTERED: UK EU/1/18/1282 20180518; UK PLGB 35728/0055 20180518; UK PLGB 35728/0056 20180518; UK PLGB 35728/0057 20180518
1912999 1490062-5 Sweden ⤷  Sign Up PRODUCT NAME: SIMEPREVIR, OR A SALT THEREOF, INCLUDING SIMEPREVIR SODIUM; REG. NO/DATE: EU/1/14/924 20140516
1758590 LUC00029 Luxembourg ⤷  Sign Up PRODUCT NAME: SEL DE SODIUM D'ACIDE DEOXYCHOLIQUE; AUTHORISATION NUMBER AND DATE: IS/1/16/071/01 20170401
>Patent Number >Supplementary Protection Certificate >SPC Country >SPC Expiration >SPC Description

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