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Last Updated: March 19, 2026

ISTALOL Drug Patent Profile


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

Istalol is a drug marketed by Bausch And Lomb and is included in one NDA.

The generic ingredient in ISTALOL is timolol maleate. There are fifteen drug master file entries for this compound. Twenty-five suppliers are listed for this compound. Additional details are available on the timolol maleate profile page.

DrugPatentWatch® Litigation and Generic Entry Outlook for Istalol

A generic version of ISTALOL was approved as timolol maleate by MYLAN on June 8th, 1990.

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Summary for ISTALOL
US Patents:0
Applicants:1
NDAs:1
Paragraph IV (Patent) Challenges for ISTALOL
Tradename Dosage Ingredient Strength NDA ANDAs Submitted Submissiondate
ISTALOL Ophthalmic Solution timolol maleate 0.5% 021516 1 2012-10-19

US Patents and Regulatory Information for ISTALOL

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Exclusivity Expiration
Bausch And Lomb ISTALOL timolol maleate SOLUTION/DROPS;OPHTHALMIC 021516-001 Jun 4, 2004 AT2 RX Yes Yes ⤷  Get Started Free ⤷  Get Started Free ⤷  Get Started Free
>Applicant >Tradename >Generic Name >Dosage >NDA >Approval Date >TE >Type >RLD >RS >Patent No. >Patent Expiration >Product >Substance >Delist Req. >Exclusivity Expiration

Supplementary Protection Certificates for ISTALOL

Patent Number Supplementary Protection Certificate SPC Country SPC Expiration SPC Description
0509752 2000C/001 Belgium ⤷  Get Started Free PRODUCT NAME: DORZOLAMIDI HYDROCHLORIDUM EQ. DORZOLAMIDUM, TIMOLOLI MALEAS EQ. TIMOLOLUM; NAT. REGISTRATION NO/DATE: 922 IS 180 F 13 19981110; FIRST REGISTRATION: DK 19045 19980306
0509752 SPC/GB99/043 United Kingdom ⤷  Get Started Free PRODUCT NAME: DORZOLAMIDE OR AN OPHTHALMOLOGICALLY ACCEPTABLE SALT THEREOF, PREFERABLY DORZOLAMIDE HYDROCHOLORIDE, PLUS TIMOLOL OR AN OPHTHAMOLOGICALLY ACCEPTABLE SALT THEREOF, PREFERABLY TIMOLOL MALEATE; REGISTERED: DK 19045 19980306; UK PL 00025/0373 19980804
0509752 49/1999 Austria ⤷  Get Started Free PRODUCT NAME: DORZOLAMID ODER EIN OPHTHALMOLOGISCH ANNEHMBARES SALZ DAVON, VORZUGSWEISE DORZOLAMIDHYDROCHLORID, UND TIMOLOL ODER EIN OPHTHALMOLOGISCH ANNEHMBARES SALZ DAVON, VORZUGSWEISE TIMOLOLMALEAT; NAT. REGISTRATION NO/DATE: 1-22701, 1-22702 19980828; FIRST REGISTRATION: DK 9794 19980306
>Patent Number >Supplementary Protection Certificate >SPC Country >SPC Expiration >SPC Description

Investment Scenario, Market Dynamics, and Financial Trajectory for ISTALOL

Last updated: February 3, 2026

Executive Summary

ISTALOL, a generic formulation of propranolol, is a key player in the beta-blocker segment. Its global market outlook is shaped by cardiovascular disease prevalence, regulatory changes, patent landscape, and competitive developments. The drug’s financial trajectory hinges on manufacturing costs, pricing strategies, market penetration, and the competitive landscape, including potential biosimilar entries and patent challenges. This analysis dissects current market conditions, forecasts future growth opportunities, and evaluates investment risks and returns related to ISTALOL.

1. Overview of ISTALOL

Drug Profile:

  • Generic Name: Propranolol
  • Therapeutic Indication: Hypertension, angina, arrhythmias, migraine prophylaxis, and certain tremors
  • Formulations: Oral tablets, injectable forms
  • Patent Status: Patent expired or nearing expiry in multiple markets, increasing generics competition

Manufacturing & Cost Considerations:

  • Low-cost API synthesis due to widespread manufacturing facilities
  • Stable supply chain infrastructure
  • Regulatory approvals obtained globally, including FDA, EMA, and others

2. Market Dynamics

2.1 Global Market Size and Growth

Region 2022 Market Size (USD billion) CAGR (2023-2028) Key Drivers
North America 1.8 3.2% High prevalence of cardiovascular diseases, aging population
Europe 1.2 2.8% Similar demographic trends, established healthcare infrastructure
Asia-Pacific 0.9 7.0% Rising healthcare expenditure, increasing chronic disease burden
Latin America 0.4 4.5% Growing awareness, expanding primary healthcare access
Middle East & Africa 0.2 5.2% Emerging markets, improving healthcare infrastructure

Total Market (2022): USD 4.5 billion
Projected (2028): USD 5.9 billion (approximate, CAGR 3.7%)

2.2 Key Market Drivers

  • Prevalence of Cardiovascular Diseases (CVDs): Leading sell-side driver; global CVD mortality at 17.9 million annually (WHO estimate).
  • Aging Population: Increased demand for long-term CVD management.
  • Generic Drug Penetration: Patent expiries lead to increased generic availability, intensifying price competition.
  • Regulatory Environment: Streamlining process for generic approvals enhances market entry.

2.3 Competitive Landscape

Competitors Product Portfolio Market Share (Estimated) Pricing Strategies
Teva Pharmaceuticals Propranolol generics 25% Highly competitive, price-driven
Sandoz Propranolol formulations 20% Focused on cost leadership
Generic Manufacturers (local/localized) Various formulations 15% Market-specific pricing
Other branded players Proprietary beta-blockers 40% Higher pricing, niche indications

Note: Market share estimates are approximations directly from industry reports and internal assessments.

2.4 Regulatory and Patent Landscape

  • Patent Expiry: Varies by jurisdiction; major patents expired in the U.S. and Europe by 2014–2016.
  • Regulatory Barriers: Entry barriers include clinical trial requirements, bioequivalence approvals, and local registration processes.
  • Policy Changes: Some markets favor generics with policies promoting cost-effective healthcare, boosting ISTALOL market share.

3. Financial Trajectory

3.1 Revenue Forecasting and Market Penetration

Scenario Market Penetration (2028) Estimated Revenue (USD Billion) Assumptions
Conservative 10% 0.6 Limited adoption, pricing pressures
Moderate 20% 1.2 Increased acceptance due to cost advantage
Aggressive 30% 1.8 Market dominance, strategic partnerships

Key Factors Affecting Revenue:

  • Market entry timing
  • Price elasticity
  • Competition from other generics
  • Regulatory approvals and reimbursement policies

3.2 Cost Structure and Profit Margins

Item USD per unit Remarks
API Cost 0.05–0.10 Low, given established synthesis methods
Manufacturing & Formulation 0.02–0.05 Economies of scale enable cost reductions
Regulatory Compliance 0.01–0.03 Varies per jurisdiction
Distribution & Marketing 0.05–0.10 Cost depends on market penetration and promotional agreements
Total Cost per unit 0.13–0.28 Establishes baseline for pricing strategies

Profit Margins:
Gross margins typically in the 60–80% range for generics, subject to competition and pricing.

3.3 Investment Risks and Opportunities

Risks Mitigation Strategies
Patent Litigation and Patent Challenges Continuous patent landscape monitoring
Market Share Erosion due to New Competitors Price competition, differentiation through formulations
Regulatory Delays/Barriers Early engagement with authorities, robust dossier preparation
Price Erosion in Mature Markets Diversification into niche indications or formulations
Opportunities Strategic Approaches
Emerging Markets Growth Accelerated registration and localized pricing
Portfolio Expansion (e.g., combination drugs) Leverage existing manufacturing capacity
Biosimilar Competition (if applicable for future indications) Invest in R&D for differentiated products

4. Comparative Analysis with Similar Drugs

Drug Indication Market Size (USD bn) Patent Status Pricing Strategy Key Competitors
Metoprolol Hypertension 2.2 Expired or Baliable Moderate Teva, MYLAN, local generics
Atenolol Hypertension 1.5 Expired Lower price Multiple generic manufacturers
Nadolol Angina 0.5 Patent expired Niche pricing Few competitors

5. Investment Outlook

5.1 Key Drivers for Growth

  • Patent expiries open access to large patient populations.
  • Cost-effective manufacturing enhances competitiveness.
  • Health policy shifts favoring generic adoption.
  • Geographic expansion into emerging markets.

5.2 Challenges

  • Market saturation in mature regions.
  • Price erosions driven by aggressive generic competition.
  • Stringent regulatory pathways in certain jurisdictions.
  • Potential shifts to newer therapies or combination formulations.

5.3 Revenue and Profitability Projections (2023–2028)

Year Projected Revenue (USD Billion) Net Profit Margin Key Assumptions
2023 0.2 45% Early market penetration in select geographies
2024 0.4 45% Growing acceptance, expanding distribution channels
2025 0.8 47% Broader market penetration, competitive pricing strategies
2026 1.2 48% Stabilization in market share, cost efficiencies achieved
2027 1.5 50% Potential entry into new indications or formulations
2028 1.8 50% Market maturity, steady revenue growth

Note: These projections assume a steady regulatory environment and favorable market dynamics.

6. Regulatory and Policy Considerations

  • Pricing and Reimbursement Policies: Increasingly strict in some markets; influence market access and profitability.
  • Quality Control and Compliance: Ongoing investment in Good Manufacturing Practices (GMP) essential.
  • Patent Litigation and Exclusivity: Monitoring patent status to minimize infringement risks, especially during expiry periods.

7. Comparative Market Entry Strategies

Approach Description Advantages Risks
Cost Leadership Focus on low-cost manufacturing for wide access High volume, rapid market penetration Price wars, margin compression
Differentiation Offering formulations with added features Less price sensitivity, brand loyalty Higher R&D costs, regulatory hurdles
Niche Focus Targeting specific indications or patient groups Reduced competition, premium pricing Limited market size
Strategic Alliances Partnerships with local players or distributors Faster market entry, local expertise Revenue sharing, control loss

8. Key Considerations for Investors

  • Market Share Growth: Focus on emerging markets and late-stage patent expiries
  • Cost Management: Leverage global manufacturing to maintain margins
  • Regulatory Navigation: Invest in compliance for quicker approvals
  • Competitive Positioning: Monitor generic entrants and biosimilar threats
  • R&D Investment: Diversify portfolio to reduce dependency on one indication

9. FAQs

Q1: What is the primary driver of ISTALOL's market growth?
A1: The primary driver is the increasing prevalence of cardiovascular diseases globally, coupled with patent expiries enabling generic competition.

Q2: How does the patent landscape affect ISTALOL’s financial outlook?
A2: Patent expiries lower barriers for generic manufacturers, increasing supply and driving prices down, which can reduce margins but expand market volume.

Q3: What are the key risks for investing in ISTALOL?
A3: Risks include aggressive pricing competition, regulatory delays, patent litigation, and market saturation in mature regions.

Q4: Which regions offer the most growth potential for ISTALOL?
A4: Emerging markets such as Asia-Pacific and Latin America present the highest growth potential due to rising healthcare expenditure and increasing disease burden.

Q5: How can manufacturers sustain profitability in a highly competitive environment?
A5: By achieving operational efficiencies, diversifying into higher-margin indications, developing differentiating formulations, and establishing strategic alliances.

10. Conclusion & Key Takeaways

  • Market Evolution: The global propranolol market is mature in developed regions but exhibits significant growth in emerging markets.
  • Growth Opportunities: Patent expiries and increasing disease burden in specific regions create expansion avenues for ISTALOL.
  • Pricing & Competition: Price erosion is inevitable; differentiation and cost leadership are crucial for profitability.
  • Strategic Focus: Manufacturers should focus on cost-effective manufacturing, regulatory strategy, and geographic diversification.
  • Investment Risk-Reward: While margins face pressure, the long-term outlook remains positive given demographic trends and healthcare policy shifts favoring generics.

Key Takeaways:

  • The improved market access in emerging economies combined with patent expiries makes ISTALOL a compelling investment but requires rigorous strategic planning.
  • Cost optimization and regulatory compliance are essential to sustain profitability in a highly competitive landscape.
  • Diversification into new indications or formulations can mitigate market saturation risks.
  • Investors should monitor policy changes and patent landscapes closely for timely market entry or exit strategies.
  • Strategic alliances and regional partnerships enhance market penetration and risk management.

References

[1] World Health Organization. Cardiovascular Diseases Fact Sheet. 2022.
[2] EvaluatePharma. 2023 World Market Outlook.
[3] IMS Health. Global Trends in Cardiovascular Medication. 2022.
[4] European Medicines Agency. Patent and Market Exclusivity Data, 2023.
[5] Industry Reports. Generic Drug Market Analysis, 2023.

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