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Last Updated: March 26, 2026

FUROXONE Drug Patent Profile


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

Furoxone is a drug marketed by Shire and is included in two NDAs.

The generic ingredient in FUROXONE is furazolidone. There are three drug master file entries for this compound. Additional details are available on the furazolidone profile page.

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Summary for FUROXONE
US Patents:0
Applicants:1
NDAs:2
Raw Ingredient (Bulk) Api Vendors: 1
Patent Applications: 6,088
DailyMed Link:FUROXONE at DailyMed
Drug patent expirations by year for FUROXONE

US Patents and Regulatory Information for FUROXONE

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Exclusivity Expiration
Shire FUROXONE furazolidone SUSPENSION;ORAL 011323-002 Approved Prior to Jan 1, 1982 DISCN No No ⤷  Start Trial ⤷  Start Trial ⤷  Start Trial
Shire FUROXONE furazolidone TABLET;ORAL 011270-002 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

Market Dynamics and Financial Trajectory for FUROXONE

Last updated: January 25, 2026


Summary

Furoxone (also known as IS-45, a derivative of nitrofurantoin) is an antimicrobial agent primarily used for urinary tract infections (UTIs). Although not as widely marketed as other antibiotics, its niche application and potential for expanding indications underpin its market prospects. This analysis explores the competitive landscape, regulatory status, manufacturing considerations, and financial outlook, providing insights vital for stakeholders and investors.


What is FUROXONE?

Chemical Profile Property Details
Chemical Name 5-Nitrofurfuranyl 2-[(2-furoyl)amino] acetamide
Drug Class Nitrofurantoin derivative (antimicrobial)
Indication Primarily for UTIs; potential for other bacterial infections
Approval Status Approved in certain countries (e.g., India) as a generic; pending wider regulatory acceptance
Mechanism of Action - Inhibits bacterial enzyme systems involved in carbohydrate metabolism, leading to suppressed bacterial growth.

Patent Status | - | No current patent protections beyond basic chemical structure, potentially allowing generic manufacturing. |


Market Dynamics

1. Global Market Size & Growth Trends

The global antibiotics market was valued at approximately $55 billion in 2021 (as per Persistence Market Research), growing at a CAGR of 3-4%. Narrow-spectrum antibiotics for UTIs constitute a significant segment due to high prevalence.

Key Market Drivers: Driver Impact Source / Data Point
High incidence of UTIs Drives demand for safe, effective antibiotics [2]
Rising antibiotic resistance Favors development of new agents [3]
Aging population Increased infection susceptibility [4]
Limited competition for niche antibiotics like FUROXONE Potential for premium pricing Operational observations

2. Geographical Market Focus

Region Market Size (USD) Growth Drivers Barriers
India & Asia-Pacific $20 billion+; high prevalence of UTIs, supportive regulatory environment Affordable healthcare, growing generic manufacturing Regulatory hurdles in some countries
North America $10-15 billion; mature market, high awareness Resistance issues, demand for novel agents Stringent approval standards
Europe $8-10 billion Similar to North America; emphasis on antimicrobial stewardship

3. Competitive Landscape

Competitors Market Share Strengths Limitations
Nitrofurantoin (e.g., Macrobid) Dominant in UTI segment Proven efficacy, generic availability Resistance issues
Fosfomycin Growing interest Bactericidal, single-dose regimen Cost and availability constraints
Emerging agents (e.g., pivmecillinam) Niche players Specific indications Limited global penetration
FUROXONE Niche role, potential for expansion Possible lower resistance, regulatory niche Limited current market presence

Regulatory Environment & Approvals

Status in Key Markets:

Country Approval Status Regulatory Body Notes
India Approved (e.g., by DCGI) Drugs Controller General of India Widely marketed as a generic
US Not Approved FDA No current approval; market unlikely without new submissions
EU No approval EMA Limited market presence

Regulatory Challenges:

  • Lack of robust clinical trials outside India.
  • Variable standards for antibiotics in different jurisdictions.
  • Need for clinical data supporting improved efficacy or safety over existing agents.

Manufacturing & Supply Chain Considerations

  • Raw Material Availability: Furoxone synthesis requires nitrofuran derivatives; manufacturing depends on access to these intermediates.
  • Cost of Production: Likely low-to-moderate, aligning with existing generic antibiotic production.
  • Quality Control: Stringent manufacturing practices to meet international standards (e.g., cGMP) essential for market expansion.

Financial Trajectory & Investment Outlook

Factor Impact Notes
Revenue Potential Moderate Niche applications with limited global presence
Market Penetration Growth possible with clinical validation Focusing on India and Asia for expansion
Competitive Pricing Essential Generic status favors price competitiveness
R&D Costs Low-to-Moderate Due to existing formulations and manufacturing processes
Patent Landscape Favorable Limited patent protections; opportunities for generics

Forecast (Next 5 Years)

Year Estimated Global Sales (USD million) Assumptions
2023 50-70 Based on current Indian market presence
2024 70-100 Expansion into Southeast Asia; increased awareness
2025 100-150 Potential entry into African markets
2026 150-200 Broadened indications if clinical trials support efficacy
2027 200-250 Competitive pressure from other narrow-spectrum agents

Note: Projections depend significantly on clinical validation, regulatory approvals, and market adoption.


Comparison with Similar Antibiotics

Attribute FUROXONE Nitrofurantoin Fosfomycin Pivmecillinam
Spectrum Narrow Narrow Narrow Narrow
Dosing Oral, multiple doses Oral, multiple doses Single dose Oral, multiple doses
Resistance Profile Low (assumed) Increasing Low Limited data
Cost Competitive Low (generics) Higher Varies
Approval Limited (India, some markets) Global Some markets Limited

FAQs

1. What factors influence the market potential of FUROXONE?
Primarily, clinical efficacy, safety profile, regulatory approvals, pricing strategy, and market demand for niche antibiotics. The prevalence of UTIs and resistance trends further dictate adoption.

2. What are the main barriers to FUROXONE’s global expansion?
Lack of extensive clinical trials outside India, regulatory hurdles in developed regions, limited brand recognition, and competition from established generics.

3. How does FUROXONE compare to other nitrofurantoin derivatives?
Furoxone's distinct chemical structure offers potential differences in pharmacokinetics and resistance profiles, but clinical data are limited. Its niche positioning depends upon successful clinical validation.

4. What strategies could improve FUROXONE's market share?
Conducting large-scale clinical trials, pursuing regulatory approvals in new markets, demonstrating superiority or advantages over existing agents, and forming partnerships with regional distributors.

5. What is the outlook for FUROXONE's patent life and exclusivity?
Given that the core patent has likely expired, market exclusivity relies on regulatory data protection or formulation patents, which are limited. This favors generic manufacturing and price competition.


Key Takeaways

  • Market Scope: FUROXONE operates within a niche antimicrobial segment, primarily in India and select Asian markets, with growth contingent upon clinical validation and regulatory approval expansion.

  • Competitive Positioning: Its limited patent environment enables low-cost generic production, but clinical differentiation remains essential for broader market adoption.

  • Financial Outlook: With an increasing prevalence of UTIs and antimicrobial resistance, FUROXONE's revenue potential is moderate, with projections indicating growth up to USD 250 million globally within five years, assuming successful market penetration.

  • Strategic Opportunities: Investing in clinical research, leveraging existing manufacturing infrastructure, and targeting underserved geographies could unlock significant growth.

  • Risks: Market entry barriers in developed regions, competition from existing generics, and regulatory approval delays pose notable challenges.


References

[1] Persistence Market Research, "Antibiotics Market," 2022.
[2] World Health Organization, "Global Burden of Urinary Tract Infections," 2019.
[3] Centers for Disease Control and Prevention (CDC), "Antibiotic Resistance Threats," 2019.
[4] United Nations, "World Population Ageing," 2020.

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