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Last Updated: May 8, 2024

OLPRUVA Drug Patent Profile


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

Olpruva is a drug marketed by Acer and is included in one NDA. There are three patents protecting this drug.

This drug has twenty-five patent family members in twenty countries.

The generic ingredient in OLPRUVA 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 Olpruva

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

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US Patents and Regulatory Information for OLPRUVA

OLPRUVA is protected by three US patents.

Patents protecting OLPRUVA

Palatable compositions including sodium phenylbutyrate and uses thereof
Patent Number: ⤷  Try a Trial
Patent Expiration: ⤷  Try a Trial

Methods of treating urea cycle disorders and maple syrup urine disease
Patent Number: ⤷  Try a Trial
Patent Expiration: ⤷  Try a Trial
Patented Use: TREATMENT OF A UREA CYCLE DISORDER INVOLVING DEFICIENCIES OF CARBAMYLPHOSPHATE SYNTHETASE, ORNITHINE TRANSCARBAMYLASE, OR ARGININOSUCCINIC ACID SYNTHETASE

Palatable compositions including sodium phenylbutyrate and uses thereof
Patent Number: ⤷  Try a Trial
Patent Expiration: ⤷  Try a Trial

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Exclusivity Expiration
Acer OLPRUVA sodium phenylbutyrate FOR SUSPENSION;ORAL 214860-001 Dec 22, 2022 RX Yes No ⤷  Try a Trial ⤷  Try a Trial ⤷  Try a Trial
Acer OLPRUVA sodium phenylbutyrate FOR SUSPENSION;ORAL 214860-006 Dec 22, 2022 RX Yes Yes ⤷  Try a Trial ⤷  Try a Trial Y ⤷  Try a Trial
Acer OLPRUVA sodium phenylbutyrate FOR SUSPENSION;ORAL 214860-003 Dec 22, 2022 RX Yes No ⤷  Try a Trial ⤷  Try a Trial ⤷  Try a Trial
Acer OLPRUVA sodium phenylbutyrate FOR SUSPENSION;ORAL 214860-002 Dec 22, 2022 RX Yes No ⤷  Try a Trial ⤷  Try a Trial ⤷  Try a Trial
Acer OLPRUVA sodium phenylbutyrate FOR SUSPENSION;ORAL 214860-004 Dec 22, 2022 RX Yes No ⤷  Try a Trial ⤷  Try a Trial Y ⤷  Try a Trial
>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 OLPRUVA

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 OLPRUVA

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

Country Patent Number Title Estimated Expiration
Brazil 112018068665 composições palatáveis incluindo o fenilbutirato de sódio e usos das mesmas ⤷  Try a Trial
Japan 2019509345 フェニル酪酸ナトリウムを含む口当たりの良い組成物及びその使用 ⤷  Try a Trial
Canada 3017573 COMPOSITIONS AU GOUT AGREABLE COMPRENANT DU PHENYLBUTYRATE DE SODIUM ET LEURS UTILISATIONS (PALATABLE COMPOSITIONS INCLUDING SODIUM PHENYLBUTYRATE AND USES THEREOF) ⤷  Try a Trial
Japan 2022106927 フェニル酪酸ナトリウムを含む口当たりの良い組成物及びその使用 ⤷  Try a Trial
Slovenia 3429559 ⤷  Try a Trial
>Country >Patent Number >Title >Estimated Expiration

Supplementary Protection Certificates for OLPRUVA

Patent Number Supplementary Protection Certificate SPC Country SPC Expiration SPC Description
2666774 CA 2020 00037 Denmark ⤷  Try a Trial 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
1713823 1490064-1 Sweden ⤷  Try a Trial PRODUCT NAME: SIMEPREVIR, OR A PHARMACEUTICALLY ACCEPTABLE SALT THEREOF, INCLUDING SIMEPREVIR SODIUM; REG. NO/DATE: EU/1/14/924 20140516
2666774 LUC00167 Luxembourg ⤷  Try a Trial 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
0145340 99C0005 Belgium ⤷  Try a Trial PRODUCT NAME: FOSPHENYTOIN DISODIUM; NAT. REGISTRATION NO/DATE: NL 23 613 19980806; FIRST REGISTRATION: GB - PL 000 19/0157 19980204
0480717 SPC/GB98/025 United Kingdom ⤷  Try a Trial PRODUCT NAME: MONTELUKAST, OR A PHARMACEUTICALLY ACCEPTABLE SALT THEREOF, PREFERABLY MONTELUKAST SODIUM; REGISTERED: FI 12766 19970825; FI 12767 19970825; UK 00025/0357 19980115; UK 00025/0358 19980115
>Patent Number >Supplementary Protection Certificate >SPC Country >SPC Expiration >SPC Description

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