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Last Updated: March 30, 2025

SODIUM PHENYLBUTYRATE Drug Patent Profile


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

Sodium Phenylbutyrate is a drug marketed by Endo Operations, Sigmapharm Labs Llc, Alvogen, and Glenmark Pharms Ltd. and is included in five NDAs.

The generic ingredient in SODIUM PHENYLBUTYRATE 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 Sodium Phenylbutyrate

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

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Drug patent expirations by year for SODIUM PHENYLBUTYRATE
Recent Clinical Trials for SODIUM PHENYLBUTYRATE

Identify potential brand extensions & 505(b)(2) entrants

SponsorPhase
Jerry Vockley, MD, PhDPhase 2
Acer Therapeutics Inc.Phase 2
Maastricht UniversityPhase 4

See all SODIUM PHENYLBUTYRATE clinical trials

Pharmacology for SODIUM PHENYLBUTYRATE

US Patents and Regulatory Information for SODIUM PHENYLBUTYRATE

ApplicantTradenameGeneric NameDosageNDAApproval DateTETypeRLDRSPatent No.Patent ExpirationProductSubstanceDelist Req.Exclusivity Expiration
Alvogen SODIUM PHENYLBUTYRATE sodium phenylbutyrate TABLET;ORAL 090910-001 Nov 18, 2011 DISCN No No ⤷  Try for Free ⤷  Try for Free ⤷  Try for Free
Sigmapharm Labs Llc SODIUM PHENYLBUTYRATE sodium phenylbutyrate POWDER;ORAL 202819-001 Mar 22, 2013 AB RX No No ⤷  Try for Free ⤷  Try for Free ⤷  Try for Free
Endo Operations SODIUM PHENYLBUTYRATE sodium phenylbutyrate POWDER;ORAL 203918-001 Jun 15, 2016 AB RX No No ⤷  Try for Free ⤷  Try for Free ⤷  Try for Free
Endo Operations SODIUM PHENYLBUTYRATE sodium phenylbutyrate TABLET;ORAL 204395-001 Apr 15, 2016 AB RX No No ⤷  Try for Free ⤷  Try for Free ⤷  Try for Free
Glenmark Pharms Ltd SODIUM PHENYLBUTYRATE sodium phenylbutyrate TABLET;ORAL 216462-001 Nov 1, 2022 AB RX No No ⤷  Try for Free ⤷  Try for Free ⤷  Try for Free
>Applicant>Tradename>Generic Name>Dosage>NDA>Approval Date>TE>Type>RLD>RS>Patent No.>Patent Expiration>Product>Substance>Delist Req.>Exclusivity Expiration
Showing 1 to 5 of 5 entries

EU/EMA Drug Approvals for SODIUM PHENYLBUTYRATE

CompanyDrugnameInnProduct Number / IndicationStatusGenericBiosimilarOrphanMarketing AuthorisationMarketing Refusal
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
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
>Company>Drugname>Inn>Product Number / Indication>Status>Generic>Biosimilar>Orphan>Marketing Authorisation>Marketing Refusal
Showing 1 to 2 of 2 entries

Sodium Phenylbutyrate Market Dynamics and Financial Trajectory

Introduction to Sodium Phenylbutyrate

Sodium phenylbutyrate is a nitrogen-binding drug primarily used to treat urea cycle disorders (UCDs) and maple syrup urine disease (MSUD). These conditions are characterized by the body's inability to break down ammonia, a toxic substance that can accumulate and cause severe health issues.

Market Size and Growth

The global sodium phenylbutyrate market is projected to experience significant growth over the coming years. By 2030, the market is expected to reach approximately $3.02 billion, up from $1.92 billion in 2023, with a Compound Annual Growth Rate (CAGR) of 6.7% during the forecast period[1][4].

Drivers of Market Growth

Several factors are driving the growth of the sodium phenylbutyrate market:

Increasing Incidence of UCDs and MSUD

The rising incidence of urea cycle disorders and maple syrup urine disease is a key driver. According to the Centers for Disease Control and Prevention (CDC), the estimated incidence of UCDs is 1 in 8,500 births[1].

Rising Awareness and Government Support

Growing awareness about the benefits of sodium phenylbutyrate for treating these disorders, along with government support initiatives, is also contributing to market growth. Newborn screening programs, in particular, are helping to identify cases earlier, leading to increased demand for the drug[1].

Advancements in Healthcare Infrastructure

Improving healthcare infrastructure, especially in regions like North America and Europe, is facilitating better diagnosis and treatment options. This infrastructure includes advanced healthcare facilities and increased healthcare expenditure, which are crucial for the market's expansion[1].

Regional Insights

North America

North America is expected to dominate the global sodium phenylbutyrate market due to the presence of major market players and advanced healthcare facilities. The region's growing patient population and robust newborn screening programs further contribute to its market leadership[1].

Europe

Europe is anticipated to be the second-largest market for sodium phenylbutyrate, driven by rising healthcare expenditure and increasing awareness about the treatment options available for UCDs and MSUD[1].

Asia Pacific

The Asia Pacific region is expected to grow at a high rate due to improving healthcare infrastructure, rising medical tourism, and increasing healthcare spending. Key players are investing in research and development to develop enhanced formulations, which will further boost the market in this region[1].

Product Forms and Preferences

The sodium phenylbutyrate market is segmented by product form, with tablets currently dominating the market. However, oral powder formulations are anticipated to witness higher demand in the coming years due to their ease of administration and patient preference[1].

Key Market Players

Several companies are prominent in the sodium phenylbutyrate market, including:

  • Horizon Therapeutics plc
  • Ammonett Pharma LLC
  • Medison Pharma Ltd.
  • Modern Dietetics Inc.
  • Synageva BioPharma Corp.
  • Swedish Orphan Biovitrum AB (Sobi)
  • Entera Health, Inc.
  • Dipharma Francis S.r.l.
  • Ucyclyd Pharma, Inc.

These companies are investing heavily in research and development to enhance their product offerings and gain a competitive edge[1].

Recent Developments and Financial Performance

Amylyx Pharmaceuticals

Amylyx Pharmaceuticals has made significant strides with the approval and commercial launch of RELYVRIO™ (sodium phenylbutyrate and taurursodiol) for the treatment of ALS in adults. The company reported strong financial results, with net product revenue of $102.7 million in the third quarter of 2023, and a total product revenue of $272.3 million in the first three full quarters of the U.S. launch[2][5].

Financial Highlights

  • Net Product Revenue: $102.7 million in Q3 2023
  • Total Product Revenue: $272.3 million in the first three full quarters of the U.S. launch
  • Cash and Short-Term Investments: $355.0 million as of September 30, 2023
  • Net Income: $20.9 million in Q3 2023[5]

Challenges and Restraints

Despite the positive growth trajectory, the market faces several challenges:

Stringent Regulatory Approvals

The process of obtaining regulatory approvals is stringent and time-consuming, which can delay the launch of new products and formulations[1].

High R&D Costs

The high costs associated with research and development can be a significant barrier for companies looking to enter or expand in the market[1].

Market Opportunities

Emerging Markets

The Asia Pacific region presents lucrative opportunities due to its improving healthcare infrastructure and increasing healthcare spending. Companies are investing in R&D to develop enhanced formulations tailored to this market[1].

New Product Launches and Partnerships

New product launches, such as RELYVRIO™, and strategic partnerships are expected to drive market growth. Companies are also exploring new applications for sodium phenylbutyrate, such as the treatment of ALS, which opens up additional market opportunities[2][5].

Key Takeaways

  • The global sodium phenylbutyrate market is projected to reach $3.02 billion by 2030.
  • The market is driven by the increasing incidence of UCDs and MSUD, rising awareness, and government support.
  • North America is expected to dominate the market, followed by Europe and the Asia Pacific.
  • Key players are investing in R&D to develop enhanced formulations.
  • The market faces challenges such as stringent regulatory approvals and high R&D costs.

FAQs

What is sodium phenylbutyrate used for?

Sodium phenylbutyrate is used primarily to treat urea cycle disorders (UCDs) and maple syrup urine disease (MSUD) by binding to nitrogen and helping to remove ammonia from the body.

Which region is expected to dominate the sodium phenylbutyrate market?

North America is expected to dominate the global sodium phenylbutyrate market due to the presence of major market players and advanced healthcare facilities.

What are the key drivers of the sodium phenylbutyrate market?

The key drivers include the increasing incidence of UCDs and MSUD, rising awareness about the benefits of the drug, and government support initiatives.

Which companies are prominent in the sodium phenylbutyrate market?

Companies such as Horizon Therapeutics plc, Ammonett Pharma LLC, Medison Pharma Ltd., and Ucyclyd Pharma, Inc. are prominent players in the market.

What are the challenges faced by the sodium phenylbutyrate market?

The market faces challenges such as stringent regulatory approvals and high research and development costs associated with drug development.

Cited Sources

  1. Coherent Market Insights: Sodium Phenylbutyrate Market Size, Trends and Forecast to 2030
  2. Amylyx Pharmaceuticals: Third Quarter 2022 Financial Results
  3. PR Newswire: The changing dynamics of the Argininosuccinic aciduria market
  4. Lucintel: Sodium Phenylbutyrate Market Report: Trends, Forecast and Competitive Analysis
  5. Amylyx Pharmaceuticals: Third Quarter 2023 Financial Results

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