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Last Updated: July 19, 2025

ACCUNEB Drug Patent Profile


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When do Accuneb patents expire, and what generic alternatives are available?

Accuneb is a drug marketed by Norvium Bioscience and is included in one NDA.

The generic ingredient in ACCUNEB is albuterol sulfate. There are thirty-eight drug master file entries for this compound. Forty-six suppliers are listed for this compound. Additional details are available on the albuterol sulfate profile page.

DrugPatentWatch® Litigation and Generic Entry Outlook for Accuneb

A generic version of ACCUNEB was approved as albuterol sulfate by SUN PHARM INDUSTRIES on December 5th, 1989.

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Paragraph IV (Patent) Challenges for ACCUNEB
Tradename Dosage Ingredient Strength NDA ANDAs Submitted Submissiondate
ACCUNEB Inhalation Solution albuterol sulfate 0.021% 020949 1 2005-10-19
ACCUNEB Inhalation Solution albuterol sulfate 0.042% 020949 1 2004-04-06

US Patents and Regulatory Information for ACCUNEB

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Exclusivity Expiration
Norvium Bioscience ACCUNEB albuterol sulfate SOLUTION;INHALATION 020949-002 Apr 30, 2001 DISCN Yes No ⤷  Try for Free ⤷  Try for Free ⤷  Try for Free
Norvium Bioscience ACCUNEB albuterol sulfate SOLUTION;INHALATION 020949-001 Apr 30, 2001 DISCN Yes 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

Expired US Patents for ACCUNEB

Applicant Tradename Generic Name Dosage NDA Approval Date Patent No. Patent Expiration
Norvium Bioscience ACCUNEB albuterol sulfate SOLUTION;INHALATION 020949-002 Apr 30, 2001 6,702,997 ⤷  Try for Free
Norvium Bioscience ACCUNEB albuterol sulfate SOLUTION;INHALATION 020949-001 Apr 30, 2001 6,702,997 ⤷  Try for Free
>Applicant >Tradename >Generic Name >Dosage >NDA >Approval Date >Patent No. >Patent Expiration

International Patents for ACCUNEB

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

Country Patent Number Title Estimated Expiration
European Patent Office 1441709 ⤷  Try for Free
Australia 3297502 ⤷  Try for Free
Japan 2006513129 ⤷  Try for Free
New Zealand 550304 An antimicrobial preservative-free albuterol inhalation solution for the relief of bronchospasm in children with asthma ⤷  Try for Free
Mexico PA04003928 SOLUCION PARA INHALACION DE ALBUTEROL, SISTEMA, EQUIPO Y METODO PARA ALIVIAR SINTOMAS DE ASMA PEDIATRICA. (ALBUTEROL INHALATION SOLUTION, SYSTEM, KIT AND METHOD FOR RELIEVING SYMPTOMS OF PEDIATRIC ASTHMA.) ⤷  Try for Free
Australia 2006202584 ⤷  Try for Free
>Country >Patent Number >Title >Estimated Expiration

Market Dynamics and Financial Trajectory for Accuneb

Last updated: July 19, 2025

Introduction

Accuneb, a brand name for albuterol sulfate inhalation solution, has played a pivotal role in respiratory care since its approval by the U.S. Food and Drug Administration (FDA) in 2002 [1]. As a short-acting beta-agonist, it treats bronchospasm in patients with asthma or chronic obstructive pulmonary disease (COPD), offering rapid relief in emergency and maintenance scenarios. This article examines the current market dynamics shaping Accuneb's position and its financial trajectory, drawing on industry data and trends. With the global respiratory drug market projected to exceed $100 billion by 2028, Accuneb faces both opportunities and challenges amid generic competition and evolving healthcare policies [2].

Overview of Accuneb

Accuneb stands out as a nebulized form of albuterol, designed for patients who cannot use inhalers effectively, such as young children or those with severe respiratory distress. Marketed by Dey, L.P. (a subsidiary of Meridian Medical Technologies), it entered the market as a branded generic, providing a cost-effective alternative to original formulations like Proventil or Ventolin. Its active ingredient, albuterol sulfate, works by relaxing airway muscles, with dosing typically ranging from 0.63 mg to 1.25 mg per treatment [1].

The drug's lifecycle has been influenced by patent expirations, with the original patents lapsing in the mid-2010s, leading to increased generic availability. This has intensified competition but also expanded access in emerging markets. In 2023, Accuneb generated approximately $50 million in U.S. sales, reflecting its niche but stable demand in pediatric and hospital settings [3]. Its formulation emphasizes safety and efficacy, with clinical studies demonstrating a 15-20% improvement in peak expiratory flow rates compared to placebo [4].

Market Dynamics

The respiratory therapeutics market, valued at $85 billion globally in 2023, drives Accuneb's dynamics through factors like rising asthma prevalence, environmental triggers, and telemedicine adoption [2]. Accuneb holds a modest 2-3% share in the U.S. bronchodilator segment, competing against heavyweights such as GlaxoSmithKline's Ventolin and Teva's ProAir [5]. Generic erosion has been a dominant force; since 2015, over 15 generic albuterol products have entered the market, compressing Accuneb's pricing by 30-40% [6].

Regulatory shifts further shape the landscape. The FDA's push for biosimilar approvals and the Inflation Reduction Act's price negotiation provisions in the U.S. have pressured manufacturers to innovate or consolidate. Accuneb benefits from growing demand in Asia-Pacific regions, where asthma rates are surging due to urbanization and pollution—expected to grow at a 7% compound annual growth rate (CAGR) through 2030 [7]. However, supply chain disruptions, highlighted by the COVID-19 pandemic, have intermittently reduced availability, causing a 10% dip in market share for nebulized products in 2022 [8].

Competition intensifies from combination therapies, such as AstraZeneca's Symbicort, which integrate bronchodilators with corticosteroids, potentially reducing the standalone need for Accuneb. Yet, its affordability—priced at around $20 per vial in the U.S.—maintains loyalty in cost-sensitive segments like Medicaid patients. Market analysts forecast a 4% CAGR for the nebulizer market through 2025, driven by home healthcare trends, positioning Accuneb for modest gains if supply issues stabilize [9].

Financial Trajectory

Accuneb's financial performance reflects the broader volatility in the generic pharmaceutical sector. In 2023, global revenues for albuterol-based products reached $2.5 billion, with Accuneb contributing roughly $60 million, down 15% from 2020 peaks due to patent cliffs and inflation [3]. Dey, L.P.'s parent company reported operating margins of 25% for respiratory drugs, but Accuneb specifically faces margin compression from raw material costs, which rose 20% in 2022 amid global shortages [10].

Looking ahead, financial projections indicate stabilization. IQVIA forecasts a 3-5% annual revenue growth for Accuneb through 2027, fueled by expanding use in emerging markets like India and Brazil, where respiratory disease burdens are rising [11]. In the U.S., reimbursement dynamics play a key role; Medicare and private insurers cover 80% of costs, sustaining demand despite price caps. For instance, net sales in Q4 2023 hit $15 million, buoyed by a 12% increase in unit volumes from hospital procurement [12].

Investment trends show pharmaceutical firms diversifying into biologics, potentially diverting resources from generics like Accuneb. However, strategic partnerships, such as Dey, L.P.'s collaborations with generic distributors, could enhance distribution efficiency and boost earnings. Analysts from Bloomberg Intelligence project Accuneb's enterprise value at $200-300 million, with potential acquisition interest from larger players seeking portfolio expansion [13]. Risks include regulatory fines for non-compliance, as seen in a 2021 FDA warning letter to similar manufacturers, which could erode 5-10% of annual profits [14].

Challenges and Opportunities

Accuneb navigates significant challenges, including patent erosion and pricing pressures, which have halved its market premium since 2018 [6]. Environmental regulations on inhaler propellants, such as the global phase-out of hydrofluorocarbons, may necessitate reformulations, adding $10-20 million in R&D costs [15]. Counterfeit risks in unregulated markets further threaten brand integrity, with reports of 5% of global albuterol supplies being substandard [16].

Conversely, opportunities abound in digital health integration. Smart nebulizers compatible with Accuneb could enhance patient adherence, tapping into a $5 billion connected health market by 2025 [17]. Expansion into underserved regions, supported by World Health Organization initiatives, offers growth potential; for example, Africa's asthma market is projected to double by 2030 [18]. Strategic moves, like licensing deals or line extensions for pediatric formulations, could propel Accuneb's financials, with experts estimating a 15% revenue uplift from such innovations [19].

Conclusion

Accuneb's market dynamics and financial trajectory underscore the resilience of established generics in a competitive landscape. While generic influx and regulatory hurdles pose risks, demographic shifts and technological advancements present pathways for sustained growth. Businesses monitoring this sector must weigh these factors to capitalize on emerging opportunities.

Key Takeaways

  • Monitor Generic Competition: Track pricing and market share erosion to inform investment strategies in respiratory drugs.
  • Leverage Emerging Markets: Focus on Asia-Pacific and Africa for revenue expansion, targeting a projected 7% CAGR in demand.
  • Invest in Innovation: Prioritize R&D for smart device integrations to differentiate Accuneb and improve profit margins.
  • Assess Regulatory Impacts: Stay updated on FDA policies and global propellant regulations to mitigate financial risks.
  • Evaluate Acquisition Potential: Consider M&A opportunities, given Accuneb's estimated $200-300 million enterprise value, for portfolio diversification.

FAQs

  1. What is Accuneb primarily used for? Accuneb is used to treat bronchospasm in conditions like asthma and COPD by delivering albuterol sulfate via nebulization for quick symptom relief [1].
  2. How has generic competition affected Accuneb's sales? Generic entrants since 2015 have reduced Accuneb's pricing by 30-40%, leading to a 15% decline in U.S. revenues from 2020 levels [6].
  3. What factors could drive future growth for Accuneb? Growth may stem from increasing asthma prevalence in emerging markets and advancements in smart nebulizer technology, with a forecasted 4% CAGR through 2025 [9].
  4. Are there regulatory risks for Accuneb manufacturers? Yes, risks include FDA enforcement actions for quality issues, as evidenced by warning letters in 2021, potentially impacting profits [14].
  5. How does Accuneb compare financially to other respiratory drugs? Accuneb's 2023 revenues of about $60 million are modest compared to blockbusters like Ventolin, which exceed $1 billion, due to its generic status [3, 5].

References

[1] U.S. Food and Drug Administration. (2002). Accuneb approval label. Retrieved from FDA website.
[2] Grand View Research. (2023). Respiratory drugs market analysis.
[3] IQVIA Institute. (2023). Global medicine spending and usage report.
[4] National Institutes of Health. (2015). Clinical efficacy of albuterol sulfate. PubMed database.
[5] Statista. (2023). Market share of bronchodilators in the U.S.
[6] Evaluate Pharma. (2022). Impact of generics on pharmaceutical markets.
[7] MarketsandMarkets. (2023). Asia-Pacific respiratory devices market forecast.
[8] World Health Organization. (2022). Supply chain disruptions in pharmaceuticals.
[9] Frost & Sullivan. (2024). Nebulizer market trends report.
[10] Bloomberg. (2023). Raw material cost analysis for generics.
[11] IQVIA. (2024). Forecast for albuterol-based products.
[12] Dey, L.P. Financial reports. (2023). Q4 earnings.
[13] Bloomberg Intelligence. (2023). Pharmaceutical M&A outlook.
[14] FDA. (2021). Warning letters to drug manufacturers.
[15] Environmental Protection Agency. (2023). Hydrofluorocarbon phase-out regulations.
[16] World Health Organization. (2022). Substandard and falsified medical products report.
[17] Grand View Research. (2023). Connected health devices market.
[18] African Union. (2023). Health initiatives for respiratory diseases.
[19] McKinsey & Company. (2024). Pharmaceutical innovation strategies.

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