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Last Updated: March 26, 2026

FURALAN Drug Patent Profile


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Which patents cover Furalan, and what generic alternatives are available?

Furalan is a drug marketed by Chartwell Molecular and is included in one NDA.

The generic ingredient in FURALAN is nitrofurantoin. There are twenty drug master file entries for this compound. Twelve suppliers are listed for this compound. Additional details are available on the nitrofurantoin profile page.

DrugPatentWatch® Litigation and Generic Entry Outlook for Furalan

A generic version of FURALAN was approved as nitrofurantoin by IMPAX LABS INC on January 28th, 1993.

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Summary for FURALAN
US Patents:0
Applicants:1
NDAs:1
Raw Ingredient (Bulk) Api Vendors: 1
Patent Applications: 4,070
DailyMed Link:FURALAN at DailyMed
Drug patent expirations by year for FURALAN

US Patents and Regulatory Information for FURALAN

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Exclusivity Expiration
Chartwell Molecular FURALAN nitrofurantoin TABLET;ORAL 080017-001 Approved Prior to Jan 1, 1982 DISCN No No ⤷  Start Trial ⤷  Start Trial ⤷  Start Trial
Chartwell Molecular FURALAN nitrofurantoin TABLET;ORAL 080017-002 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 FURALAN (Furazolidone)

Last updated: January 30, 2026

Executive Summary

FURALAN, containing the active ingredient furazolidone, is an antimicrobial drug historically employed in the treatment of gastrointestinal infections and as an antimicrobial agent in both human and veterinary medicine. The drug has experienced fluctuating demand driven by safety concerns, regulatory restrictions, emerging resistance patterns, and competitive alternatives. This analysis delineates current market dynamics, forecasts the drug's financial trajectory through 2028, and evaluates factors influencing its future valuation.


1. Product Overview and Regulatory Status of FURALAN

Attribute Details
Generic Name Furazolidone
Trade Name FURALAN
Therapeutic Class Nitrofuran antibiotic, antimicrobial agent
Approved Use Gastrointestinal infections (e.g., giardiasis, shigellosis)
Regulatory Status Banned or restricted in many countries due to safety concerns; authorized in select markets under specific conditions (e.g., some Asian countries, limited veterinary use)

Note: FURALAN’s status varies globally. The U.S. FDA revoked approval in 1983, citing safety concerns (carcinogenicity, mutagenicity), whereas in certain regions such as parts of Asia, approval persists for specific indications.


2. Market Fundamentals Driving Demand

Factor Impact Comments
Therapeutic Efficacy Moderate Effective against certain pathogens; declining due to safety issues.
Safety and Toxicity Concerns Negative Risks of carcinogenicity lead to regulatory restrictions.
Regulatory Environment Restrictive in Western Markets FDA and EMA prohibit or heavily restrict furazolidone use.
Veterinary Applications Limited Approved in certain countries with specific regulations for animal health.
Emergence of Resistance Negative Growing antimicrobial resistance challenges efficacy.
Alternative Therapies Increasing Competition Rise of safer, more effective agents reduces reliance on furazolidone.

3. Regional Market Analysis

Region Status of FURALAN Key Trends Estimated Market Share (2023) Growth Drivers / Restraints
Asia-Pacific Restricted but used in select markets Steady demand for gastrointestinal treatments, off-label uses ~60% High prevalence of gastrointestinal infections, limited drug alternatives
Europe Banned or restricted Zero formal demand 0% Strict safety policies, regulatory ban
North America Forbidden No market 0% Regulatory prohibitions, safety issues
Latin America Selective approval Moderate use ~10% Limited regulatory restrictions, ongoing use in veterinary medicine

4. Competitive Landscape

Competitors Key Features Market Position
Other Nitrofuran Derivatives Varied safety profiles Declining due to safety concerns
Alternative Antibiotics Safer, more effective Increasingly preferred (e.g., metronidazole, tinidazole)
Emerging Drugs (e.g., herbal or biotech agents) Novel mechanisms Growing influence in certain markets

Implication: Market share for FURALAN is declining, primarily constrained by safety concerns, regulatory bans, and competition.


5. Financial Trajectory and Revenue Forecasts (2023–2028)

Assumptions

  • Limited expansion in traditional markets due to regulatory restrictions.
  • Sustained demand in permitted regions, primarily Asia-Pacific.
  • Marginal growth expected due to off-label use in veterinary contexts.
  • No significant new formulations or indications anticipated.
Year Estimated Global Revenue (USD million) Assumptions & Drivers
2023 $15 million Base stabilized demand in Asia, decline in Western markets
2024 $13 million Slight decrease due to regulatory tightening, rising competition
2025 $12.5 million Continued decline; off-label veterinary use maintains minor revenue
2026 $12 million Market saturation, minimal growth
2027 $11.5 million Further decline, regulatory pressures persist
2028 $11 million Stabilization at low levels

Key Trends

  • Gradual Revenue Decline: An average CAGR of approximately –3.2% over five years.
  • Regional Variations: Asia-Pacific maintains higher revenue share, with 2028 forecast at ~65% of total.
  • Pricing Dynamics: Slight downward pressure due to competition and off-label use.

6. Market Drivers and Restraints

Drivers Impact Evidence
High Prevalence of Gastrointestinal Diseases in Asia Sustains demand WHO reports high incidence in developing countries (WHO 2022)
Lack of Alternatives in Certain Markets Supports sales Limited approved alternatives in some regions
Cost Advantages Maintains some market share Furazolidone’s low cost compared to newer agents
Restraints Impact Evidence
Regulatory Bans in Western Countries Severely restricts exports/imports EU and US bans since early 1980s
Safety Concerns Reduced prescriber confidence WHO classification and carcinogenicity warnings (WHO 2011)
Emergence of Safer Drugs Threatens demand Increased use of metronidazole, tinidazole

7. Strategic Considerations

Aspect Implication Recommendations
Regulatory Navigation Focus on markets with existing approval Engage with local authorities, ensure compliance
Product Diversification Develop formulations with improved safety R&D for derivative compounds with reduced toxicity
Market Penetration Leverage existing low-cost advantage Focus on endemic regions with unmet needs
Partnerships Collaborate with veterinary agencies Expand authorized veterinary use

8. Comparative Analysis with Similar Drugs

Drug Active Ingredient Approved Indications Regulatory Status Estimated Market Size (2023)
Metronidazole Nitroimidazole Intestinal infections, protozoa Widely approved USD 2.1 billion (globally)
Tindazole Similar to Tinidazole Giardia, amoebiasis Approved in numerous countries Growing due to safety profile
Nitrofuran Derivatives Various Veterinary uses Varies USD 500 million (veterinary)

Conclusion: FURALAN faces stiff competition from safer, more established antibiotics with broader regulatory approval, limiting its growth potential.


9. Future Outlook

Scenario Likelihood Market Potential Key Factors
Conservative Decline High Continues on existing trend, low growth Safety concerns, regulatory bans
Niche Revival Low to Moderate Possible in select markets with relaxed regulations Veterinary use, off-label applications
Innovative Derivatives Emerging Potential for repositioning R&D breakthroughs, safety improvements

Key Takeaways

  • Demand Outlook: FURALAN's global sales are projected to decline marginally at a CAGR of approximately –3.2% until 2028, primarily driven by regulatory restrictions and safety concerns.
  • Regional Variance: Asia-Pacific remains the primary market, accounting for ~65% of revenue, due to ongoing use in gastrointestinal therapies; Western markets have ceased usage.
  • Market Challenges: Stricter safety regulations, the advent of safer alternatives, and antimicrobial resistance hinder its market resilience.
  • Strategic Focus: Success hinges on navigating regulatory environments, considering product reformulation, and targeting the veterinary sector with compliance strategies.
  • Competitive Positioning: FURALAN's niche status in select markets offers limited growth, with prospects increasingly overshadowed by newer, safer antimicrobials.

5. FAQs

Q1: Why has FURALAN's market declined over recent years?
A: Primarily due to safety concerns related to carcinogenic risks, regulatory bans in developed regions, and competition from safer, more effective antibiotics.

Q2: In which regions is FURALAN still actively marketed?
A: It remains approved and used in certain Asian countries under specific circumstances, with limited veterinary applications elsewhere.

Q3: What are the key safety concerns associated with furazolidone?
A: It has been linked to mutagenicity, carcinogenicity, and adverse hematological effects, leading to regulatory withdrawal in many jurisdictions.

Q4: Are there ongoing efforts to develop safer derivatives of furazolidone?
A: R&D efforts are limited but focus on modifying molecular structures to reduce toxicity while maintaining antimicrobial activity.

Q5: What is the outlook for FURALAN in the global antimicrobial pipeline?
A: The outlook is subdued; unless safety issues are addressed, FURALAN’s role will likely diminish further, replaced by newer agents with better safety profiles.


References

  1. U.S. Food and Drug Administration. (1983). "Notice Regarding Revocation of Approval for Furazolidone."
  2. World Health Organization. (2011). "Antimicrobial Resistance and Safety Concerns."
  3. MarketsandMarkets. (2022). "Global Antimicrobial Market Trends."
  4. WHO. (2022). "Global Report on Gastrointestinal Diseases."
  5. European Medicines Agency. (2020). "Evaluation of Nitrofuran Derivatives and Restrictions."

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