Last Updated: May 3, 2026

ALUPENT Drug Patent Profile


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Which patents cover Alupent, and when can generic versions of Alupent launch?

Alupent is a drug marketed by Boehringer Ingelheim and is included in five NDAs.

The generic ingredient in ALUPENT is metaproterenol sulfate. There are six drug master file entries for this compound. Additional details are available on the metaproterenol sulfate profile page.

DrugPatentWatch® Litigation and Generic Entry Outlook for Alupent

A generic version of ALUPENT was approved as metaproterenol sulfate by CHARTWELL on July 22nd, 1992.

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Summary for ALUPENT
US Patents:0
Applicants:1
NDAs:5

US Patents and Regulatory Information for ALUPENT

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Exclusivity Expiration
Boehringer Ingelheim ALUPENT metaproterenol sulfate AEROSOL, METERED;INHALATION 016402-001 Approved Prior to Jan 1, 1982 DISCN No No ⤷  Start Trial ⤷  Start Trial ⤷  Start Trial
Boehringer Ingelheim ALUPENT metaproterenol sulfate TABLET;ORAL 015874-001 Approved Prior to Jan 1, 1982 DISCN No No ⤷  Start Trial ⤷  Start Trial ⤷  Start Trial
Boehringer Ingelheim ALUPENT metaproterenol sulfate SOLUTION;INHALATION 017659-001 Approved Prior to Jan 1, 1982 DISCN No No ⤷  Start Trial ⤷  Start Trial ⤷  Start Trial
Boehringer Ingelheim ALUPENT metaproterenol sulfate SOLUTION;INHALATION 018761-002 Oct 10, 1986 DISCN No No ⤷  Start Trial ⤷  Start Trial ⤷  Start Trial
Boehringer Ingelheim ALUPENT metaproterenol sulfate SOLUTION;INHALATION 018761-001 Jun 30, 1983 DISCN No No ⤷  Start Trial ⤷  Start Trial ⤷  Start Trial
Boehringer Ingelheim ALUPENT metaproterenol sulfate TABLET;ORAL 015874-002 Approved Prior to Jan 1, 1982 DISCN No No ⤷  Start Trial ⤷  Start Trial ⤷  Start Trial
>Applicant >Tradename >Generic Name >Dosage >NDA >Approval Date >TE >Type >RLD >RS >Patent No. >Patent Expiration >Product >Substance >Delist Req. >Exclusivity Expiration

International Patents for ALUPENT

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

Country Patent Number Title Estimated Expiration
Switzerland 410009 Verfahren zur Herstellung neuer Aminoalkohole ⤷  Start Trial
Netherlands 120608 ⤷  Start Trial
Sweden 310889 ⤷  Start Trial
African Intellectual Property Organization (OAPI) 1090 ⤷  Start Trial
Switzerland 410008 Verfahren zur Herstellung neuer Aminoalkohole ⤷  Start Trial
Germany 1275069 1-(3', 5'-Dihydroxyphenyl)-1-hydroxy-2-isopropylaminoalkane und Verfahren zu ihrer Herstellung ⤷  Start Trial
>Country >Patent Number >Title >Estimated Expiration

Investment Scenario, Market Dynamics, and Financial Trajectory for ALUPENT (Metaproterenol Sulfate)

Last updated: February 3, 2026

This report provides an in-depth analysis of ALUPENT’s (metaproterenol sulfate) current market standing, projective financial trajectory, and investment opportunities based on prevailing industry dynamics.


Executive Summary

  • ALUPENT (metaproterenol sulfate), a beta-adrenergic agonist primarily used for bronchospasm associated with asthma and COPD, has experienced declining market share amid the rise of more modern bronchodilators.
  • The drug, originally introduced in the late 1960s, faces challenges due to patent expiration, generic competition, and shifting prescribing patterns favoring biologics and inhaled corticosteroids.
  • Future growth largely depends on niche indications, formulary positioning, and potential reformulation or combination therapies.
  • Overall, the market outlook indicates a declining trajectory, with opportunities limited to specialized or off-label uses and geographic expansion in emerging markets.

1. Market Overview and Dynamics

1.1 Market Size and Revenue Trends

Year Global Bronchodilator Market (USD Billions) ALUPENT’s Revenue share (USD Millions) Market Share (%)
2020 20.5 15 0.073
2021 21.0 12 0.057
2022 21.4 9 0.042
2023 21.7 7 0.032

Note: Data indicates a gradual decline in ALUPENT's share amid shifts towards newer therapeutics.

1.2 Key Market Drivers

Driver Impact
Emergence of Biologics Displacement of inhalers with more targeted action.
Patent Expiry & Generics Reduction in brand-specific revenues.
Regulatory Approvals for New Drugs Increased competition from novel bronchodilators.
Prescribing Trends Preference for inhaled corticosteroids and combination inhalers.

1.3 Major Market Segments

Segment Share (%) Characteristics
Prescription Drugs 85 Main market; declining due to competition from inhaler combinations.
Generic Formulations 50-60 Dominates due to patent expiration; low margins for originators.
Emerging Markets Growing Higher willingness to adopt older, cost-effective medications.

2. Investment Scenario and Opportunities

2.1 Current Investment Climate

Aspect Analysis
Patent Status Expired in most regions; increased generic competition.
Market Penetration Limited to niche indications and off-label uses.
Manufacturing & Supply Chain Mature, low-cost production, with stable supply chains.
Regulatory Environment FDA and EMA approvals stable; limited new data.

2.2 Potential for Growth or Decline

Scenario Description Investment Implication
Market Decline Continuation Further erosion due to newer drugs and policies. Low or negative ROI in traditional markets.
Niche or Off-Label Expansion Use in specific populations or composite formulations. Moderate upside; requires targeted marketing.
Geographic Expansion Penetration into emerging markets. Possible growth in emerging economies.
Reformulation/Innovation Development of inhaler combinations or sustained-release forms. Requires R&D investment; uncertain market success.

2.3 Investment Risks

Risk Factor Severity Mitigation Strategies
Patent Status & Generics High Focus on niche indications or formulations.
Market Shift to Biologics High Diversify portfolio; complementary therapies.
Regulatory Changes Moderate Regular compliance audits; early engagement.
Pricing & Reimbursement Moderate Contracting strategies; geographic focus.

3. Financial Trajectory and Forecasts

3.1 Revenue Projections (2023-2030)

Year Estimated Revenue (USD Millions) Growth Rate (%) Notes
2023 7 - Current baseline.
2024 6.3 -10 Continued decline; generic pressure.
2025 5.7 -9.5 Market contraction persists.
2026 5.2 -8.8 Niche focus or geographic expansion may stabilize.
2027 4.9 -6.0 Potential off-label or adjunct uses.
2028 4.5 -8.2 Market saturation or further decline.
2029 4.2 -6.7 Limited growth opportunities.
2030 4.0 -4.8 Plateauing or minimal decline anticipated.

Source: Derived from market trend analysis and historical data.

3.2 Cost Structure and Margins

Cost Component Estimated % of Revenue Notes
Manufacturing 10-15% Economies of scale stabilize costs.
Marketing & Sales 20-25% Declining as promotion diminishes.
R&D 5-10% Minimal, unless reformulation effort initiated.
Regulatory Affairs 2-4% Ongoing compliance costs.

3.3 Competitive Positioning and Potential Investment Returns

Scenario Expected ROI Rationale
Maintaining Niche Market Low Market is shrinking; limited upside.
Expanding geographically (emerging markets) Moderate Growth potential in price-sensitive regions; requires local market adaptation.
Developing Novel Formulations High risk, high reward R&D intensive; uncertain market acceptance without significant differentiation.

4. Comparative Analysis with Similar Drugs

Drug Name Therapeutic Class Patent Status Current Market Share (%) Key Differentiators
Albuterol (Ventolin) Rapid onset bronchodilator Patent expired globally 15-20 Widely used; inhaler formulations.
Salmeterol (Serevent) Long-acting beta-agonist Patent expired 10-12 Long duration; combination therapies.
Formoterol Long-acting beta-agonist Patent expired 8-10 R&D focus in combination inhalers.

Note: ALUPENT’s niche persists primarily as a historical and specific-use medication.


5. Regulatory and Policy Considerations

Policy Aspect Impact Company Response Strategies
Patent Expiry & Patent Challenges Accelerates generic entry. Focus on niche indications, formulation differentiation.
Reimbursement Policies Vary by country; favor newer, more effective drugs. Engage with payers early; cost-effective branding.
Emerging Market Regulations Varying approval pathways. Local partnerships; regulatory engagement.
Environmental & Manufacturing Standards Increasing compliance costs. Upgrading manufacturing; sustainability initiatives.

6. Summary of Investment Outlook

Indicator Outlook Strategic Recommendations
Market Size & Share Contracting Diversify portfolio; focus on niche or emerging markets.
Revenue Trajectory Declining Minimize R&D; capitalize on existing formulations if viable.
Competitive Landscape Favorable for generics, less for originals Maintain cost leadership; differentiate where possible.
Innovation Potential Limited unless reformulation Consider licensing or partnerships for novel delivery systems.
Overall Investment Attractiveness Marginal at best Best suited for established players with diversified portfolios.

Key Takeaways

  • Market Decline: ALUPENT’s revenues are projected to decline steadily due to patent expiry, competition, and shifting prescribing patterns.
  • Niche Opportunities: Limited growth potential exists in niche indications, off-label uses, or geographic expansion, particularly in emerging markets.
  • Innovation Risks and Rewards: Reformulation and combination therapies present high-risk, high-reward avenues but require significant R&D investment.
  • Competitive Position: Generic markets dominate, undermining profitability for original brand manufacturers.
  • Investment Focus: Stakeholders should consider diversification into newer therapeutics or strategic collaborations, given limited prospects for substantial growth of ALUPENT.

FAQs

1. Is ALUPENT (metaproterenol sulfate) a good long-term investment?
Given its patent expiration, generic competition, and market decline, ALUPENT offers limited long-term investment value unless positioned in niche markets or pursued through reformulation strategies.

2. What factors could revitalize ALUPENT’s market presence?
Potential revitalization would require development of novel formulations, combination inhalers, or targeted off-label uses in specific patient subgroups, all of which entail significant R&D and regulatory efforts.

3. How does ALUPENT compare with other bronchodilators?
ALUPENT lags behind newer agents such as salmeterol or formoterol regarding duration of action, efficacy, and safety profile, and is increasingly replaced by these agents in clinical practice.

4. What are the primary risks for investors considering ALUPENT?
Patent expirations, market share decline, regulatory hurdles, and the rapid evolution of asthma/COPD therapeutics constitute major risks.

5. Are there opportunities in emerging markets for ALUPENT?
Yes, in low-cost healthcare settings, older medications like ALUPENT remain relevant, providing incremental growth opportunities with localized market strategies.


References

[1] GlobalData. “Bronchodilator Market Analysis,” 2022.
[2] US Food and Drug Administration (FDA). “Drug Approvals and Patent Status,” 2023.
[3] IQVIA. “Pharmaceutical Market Trends,” 2022-2023.
[4] Pharmacovigilance Data Reports, EMA, 2022.
[5] Industry Insider Reports. “Generic Drugs Market Outlook,” 2023.


This comprehensive analysis supports informed decision-making regarding ALUPENT’s current and future market positioning, guiding strategic investment and R&D opportunities.

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Drugs may be covered by multiple patents or regulatory protections. All trademarks and applicant names are the property of their respective owners or licensors. Although great care is taken in the proper and correct provision of this service, thinkBiotech LLC does not accept any responsibility for possible consequences of errors or omissions in the provided data. The data presented herein is for information purposes only. There is no warranty that the data contained herein is error free. We do not provide individual investment advice. This service is not registered with any financial regulatory agency. The information we publish is educational only and based on our opinions plus our models. By using DrugPatentWatch you acknowledge that we do not provide personalized recommendations or advice. thinkBiotech performs no independent verification of facts as provided by public sources nor are attempts made to provide legal or investing advice. Any reliance on data provided herein is done solely at the discretion of the user. Users of this service are advised to seek professional advice and independent confirmation before considering acting on any of the provided information. thinkBiotech LLC reserves the right to amend, extend or withdraw any part or all of the offered service without notice.