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Last Updated: December 12, 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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Summary for BUPHENYL
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
Johns Hopkins UniversityPhase 1/Phase 2
National Jewish HealthPhase 1/Phase 2
Horizon Pharma Ireland, Ltd., Dublin IrelandPhase 1/Phase 2

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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
0480717 98C0022 France ⤷  Sign Up PRODUCT NAME: MONTELUKAST SODIUM; REGISTRATION NO/DATE IN FRANCE: NL 23 133 DU 19980320; REGISTRATION NO/DATE AT EEC: 13 651 DU 19970825
2666774 CA 2020 00037 Denmark ⤷  Sign Up PRODUCT NAME: RELEBACTAM, OPTIONALLY IN THE FORM OF THE MONOHYDRATE, IMIPENEM AND CILASTATIN, OPTIONALLY IN THE FORM OF THE SODIUM SALT; REG. NO/DATE: EU/1/19/1420 20200217
2932970 18C1043 France ⤷  Sign Up PRODUCT NAME: UNE COMBINAISON COMPRENANT DU DOLUTEGRAVIR OU UN SEL PHARMACEUTIQUEMENT ACCEPTABLE DE CELUI-CI,EN PARTICULIER LE SEL DE SODIUM DU DOLUTEGRAVIR,ET DE LA RILPIVIRINE OU UN SEL PHARMACEUTIQUEMENT ACCEPTABLE DE CELLE-CI,EN PARTICULIER LE CHLORHYDRATE DE RILPIVIRINE; REGISTRATION NO/DATE: EU/1/18/1282 20180518
1856135 LUC00153 Luxembourg ⤷  Sign Up PRODUCT NAME: FOSTAMATINIB OU UN SEL PHARMACEUTIQUEMENT ACCEPTABLE DE FOSTAMATINIB, OU UN HYDRATE, SOLVATE OU N-OXYDE DE FOSTAMATINIB OU LE SEL PHARMACEUTIQUEMENT ACCEPTABLE DE FOSTAMATINIB, EN PARTICULIER FOSTAMATINIB DISODIUM, EVENTUELLEMENT SOUS FORME D'HYDRATE; AUTHORISATION NUMBER AND DATE: EU/1/19/1405 20200113
1874117 SPC/GB14/041 United Kingdom ⤷  Sign Up PRODUCT NAME: DOLUTEGRAVIR OR A PHARMACEUTICALLY ACCEPTABLE SALT OR SOLVATE THEREOF, INCLUDING DOLUTEGRAVIR SODIUM; REGISTERED: UK EU/1/13/892/001-006 20140121
>Patent Number >Supplementary Protection Certificate >SPC Country >SPC Expiration >SPC Description

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