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Last Updated: March 27, 2026

BLENOXANE Drug Patent Profile


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

Blenoxane is a drug marketed by Bristol Myers Squibb and is included in one NDA.

The generic ingredient in BLENOXANE is bleomycin sulfate. There are six drug master file entries for this compound. Five suppliers are listed for this compound. Additional details are available on the bleomycin sulfate profile page.

DrugPatentWatch® Litigation and Generic Entry Outlook for Blenoxane

A generic version of BLENOXANE was approved as bleomycin sulfate by HOSPIRA on March 10th, 2000.

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Summary for BLENOXANE
Drug patent expirations by year for BLENOXANE
Recent Clinical Trials for BLENOXANE

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

SponsorPhase
The EMMES CorporationPhase 1
University of California, Los AngelesPhase 1
The Emmes Company, LLCPhase 1

See all BLENOXANE clinical trials

US Patents and Regulatory Information for BLENOXANE

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Exclusivity Expiration
Bristol Myers Squibb BLENOXANE bleomycin sulfate INJECTABLE;INJECTION 050443-001 Approved Prior to Jan 1, 1982 DISCN Yes No ⤷  Start Trial ⤷  Start Trial ⤷  Start Trial
Bristol Myers Squibb BLENOXANE bleomycin sulfate INJECTABLE;INJECTION 050443-002 Sep 7, 1995 DISCN Yes 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

Market Dynamics and Financial Trajectory for BLENOXANE (Pentoxifylline)

Last updated: December 29, 2025

Summary

Blenoxane, commonly known as Pentoxifylline, is a phosphodiesterase inhibitor primarily used for peripheral vascular diseases and ischemic conditions. Given its established clinical profile and recent interest in expanding indications, understanding its market dynamics and financial trajectory is crucial for stakeholders. This analysis explores the drug’s current market landscape, growth drivers, revenue forecasts, competitive environment, regulatory influences, and potential challenges. It provides a comprehensive view, aiding strategic decisions for pharmaceutical companies, investors, and policymakers.


What is BLENOXANE (Pentoxifylline)?

Attribute Details
Generic Name Pentoxifylline
Brand Names Blenoxane (historical), Trental (marketed by Sanofi), others
Therapeutic Class Hemorheologic agent, Phosphodiesterase inhibitor
Indications Peripheral vascular disease, Intermittent claudication, off-label for COVID-19, diabetic foot ulcers (emerging)
Mechanism of Action Improves RBC flexibility, reduces blood viscosity, enhances microcirculation

Market Dynamics: Current Landscape

Global Market Size and Growth Trends

Region Market Size (2022, USD millions) CAGR (2023-2028) Notes
North America $180 4.8% Dominates due to high prevalence of vascular diseases
Europe $120 3.5% Mature market; growth driven by aging population
Asia-Pacific $75 7.2% Rapid expansion, emerging healthcare infrastructure
Latin America & MEA $30 6.0% Increasing awareness and off-label use
Total $405 5.3%

Source: Market Research Future (2022) [1]

Key Drivers

  • Growing Prevalence of Vascular and Ischemic Conditions: The global burden of peripheral artery disease (PAD) and intermittent claudication threatens to rise, fueling demand.
  • Off-Label Expansion: Increased off-label use in treating COVID-19-related cytokine storms and diabetic foot ulcers.
  • Aging Population: Greater incidence of vascular abnormalities among geriatrics.
  • Emerging Markets: High growth in Asia-Pacific driven by urbanization and healthcare investments.

Market Challenges

  • Patent Expiry and Generics: Many formulations are off-patent, pressuring pricing.
  • Limited Awareness of Expanding Indications: A gap persists in clinical acceptance beyond primary use.
  • Regulatory Hurdles: Approval for new indications remains inconsistent, particularly in emerging markets.
  • Competitive Landscape: Presence of other hemorheologic agents and anti-inflammatory drugs.

Financial Trajectory: Revenue Projections and Investment Trends

Historical Revenue Trends

Year Estimated Global Revenue (USD millions) Notes
2018 ~$350 Stabilized market, primarily in North America and Europe
2019 ~$370 Slight growth, increased off-label prescribing
2020 ~$375 Pandemic-related disruptions, but continued demand
2021 ~$385 Post-pandemic recovery and increased off-label use
2022 ~$405 Solid growth driven by emerging markets

Forecasted Revenue (2023-2028)

Year Projected Revenue (USD millions) CAGR Key Notes
2023 $425 4.8% Entry into additional markets, more off-label adoption
2024 $445 4.7% Potential new formulations or combination therapies
2025 $470 5.6% Increased use in diabetic foot ulcers, potential patent extensions
2026 $495 5.3% Regulatory approvals for new indications
2027 $520 4.9% Market saturation in mature regions
2028 $545 4.8% Continued growth in emerging markets

Assumption: Incremental adoption in new indications, emerging markets’ expansion, and moderate pricing trends. Source: Industry projections and analyst estimates.

Investment and R&D Trends

  • Research Focus: segmenting into diabetic foot ulcers, COVID-19 sequelae, and neuroprotective applications.
  • Regulatory Milestones: FDA and EMA approvals for new indications may augment revenue streams.
  • Partnerships & Licensing: Collaborations with biotech firms could lead to combination therapies enhancing value.

Competitive Environment

Competitor Key Drugs/Agents Market Share Strengths Weaknesses
Sanofi (Trental) Trental (Pentoxifylline) ~60% Established manufacturing, global reach Patent expiration limits pricing power
Generic Manufacturers Various formulations ~30% Cost competitiveness Limited brand differentiation
Emerging Biotech Firms Novel hemorheologic agents <10% Innovative indications, pipeline strength Market penetration still nascent

Note: The market is highly fragmented with a mix of generic and branded products.


Regulatory and Policy Influences

  • FDA & EMA: Approved for peripheral artery disease; expansion based on clinical trial evidence.
  • Off-Label Use: Legal in many jurisdictions but varies; can influence sales.
  • Pricing & Reimbursement: Reforms in dominant markets may affect profitability. For example, value-based pricing in Europe is gaining traction.
  • Intellectual Property: Patent cliffs and biosimilar emergence influence market sustainability.

Comparison with Similar Drugs

Attribute Blenoxane (Pentoxifylline) Cilostazol Naftidrofuryl Pentoxifylline Alternatives
Indications PAD, Intermittent claudication, off-label COVID Intermittent claudication Intermittent claudication Off-label and experimental uses
Market Size (USD) $405 million (2022) ~$500 million $250 million N/A
Patent Status Off-patent Patent expired Off-patent N/A
Mechanism Hemorheologic Vasodilator Vasodilator Varies
Regulatory Approvals US, EU for PAD US, EU Europe Varies

FAQs

1. What are the primary therapeutic indications for BLENOXANE (Pentoxifylline)?

It is primarily indicated for peripheral vascular diseases, especially intermittent claudication, and is used off-label for conditions like diabetic foot ulcers, COVID-19 cytokine storm, and certain neurovascular disorders.

2. How does patent expiry affect the market potential for BLENOXANE?

Patent expiration has led to increased generic competition, exerting downward pressure on prices. However, expanding indications and emerging markets can offset revenue declines by opening new revenue streams.

3. What are the key growth opportunities for BLENOXANE in the next five years?

Growing prevalence of vascular diseases, increased off-label use, regulatory approvals for new indications, and expansion in emerging markets represent significant growth avenues.

4. What challenges could hinder BLENOXANE’s market expansion?

Regulatory hurdles, limited clinical endorsement for off-label and new indications, generic competition, and pricing pressures could constrain growth.

5. How does BLENOXANE compare to its competitors?

While it benefits from an established safety profile, its market share is challenged by newer agents like cilostazol, and a growing pipeline of novel therapies targeting similar indications.


Key Takeaways

  • Market size and growth: Projected to reach approximately $545 million by 2028, driven by emerging markets and expanded indications.
  • Drivers: Aging population, rising vascular disease prevalence, off-label use, and regulatory approvals.
  • Challenges: Patent expiry, generic competition, regulatory barriers, and limited clinical awareness for expanded uses.
  • Strategies: Focused R&D for new indications, strategic partnerships, leveraging regulatory pathways, and market expansion in Asia-Pacific and emerging economies.
  • Investment considerations: Moderate growth outlook with potential for acceleration upon successful indication approvals and increased off-label acceptance.

References

[1] Market Research Future. (2022). Global Hemorheologic Agent Market Report.
[2] GlobalData. (2023). Pharmaceutical Market Outlook.
[3] FDA and EMA regulatory documents on Pentoxifylline approvals and indications.
[4] Industry analyst reports on peripheral vascular disease therapeutics.

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