Last Updated: May 3, 2026

MACRODANTIN Drug Patent Profile


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

Macrodantin is a drug marketed by Almatica and is included in one NDA.

The generic ingredient in MACRODANTIN is nitrofurantoin, macrocrystalline. Twenty-seven suppliers are listed for this compound. Additional details are available on the nitrofurantoin, macrocrystalline profile page.

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Summary for MACRODANTIN
US Patents:0
Applicants:1
NDAs:1

US Patents and Regulatory Information for MACRODANTIN

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Exclusivity Expiration
Almatica MACRODANTIN nitrofurantoin, macrocrystalline CAPSULE;ORAL 016620-003 Approved Prior to Jan 1, 1982 AB RX Yes No ⤷  Start Trial ⤷  Start Trial ⤷  Start Trial
Almatica MACRODANTIN nitrofurantoin, macrocrystalline CAPSULE;ORAL 016620-001 Approved Prior to Jan 1, 1982 AB RX Yes No ⤷  Start Trial ⤷  Start Trial ⤷  Start Trial
Almatica MACRODANTIN nitrofurantoin, macrocrystalline CAPSULE;ORAL 016620-002 Approved Prior to Jan 1, 1982 AB RX Yes Yes ⤷  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

MACRODANTIN Market Analysis and Financial Projection

Last updated: February 3, 2026

What Are the Fundamentals of MACRODANTIN?

MACRODANTIN, with the generic name nitrofurantoin, is an antibacterial medication primarily prescribed for the treatment and prevention of urinary tract infections. It is marketed under various brand names worldwide, with MACRODANTIN being prominent in certain regions, notably India. The drug has been in use since the 1950s, with a well-established safety profile. Its pharmacological profile makes it effective against susceptible gram-positive and gram-negative bacteria.

Key Market Attributes:

  • Therapeutic Use: Treatment of uncomplicated urinary tract infections.
  • Formulation: Oral capsules.
  • Patent Status: Off-patent product.
  • Market Exclusivity: No longer under patent, enabling generic competition.
  • Manufacturers: Several companies produce the drug due to its established status.

What Is the Market Landscape for MACRODANTIN?

The MACRODANTIN market is characterized by broad generic competition and high penetration in regions with limited healthcare infrastructure. Its primary markets include India, Latin America, and parts of Southeast Asia.

Market Size & Dynamics:

  • Global Corporate Market: Estimated at USD 500 million in 2022.
  • India Market: Accounts for approximately 60% of this, driven by high prevalence of urinary tract infections and over-the-counter availability.
  • Growth Rate: Compound annual growth rate (CAGR) around 3% from 2023-2028, supported by rising antibiotic prescriptions and increased drug consumption in emerging markets.
  • Pricing: Low-cost; average retail price approximately USD 0.10–0.50 per capsule, depending on manufacturing and distribution channels.

Key Market Drivers:

  • High incidence of urinary tract infections, particularly among women.
  • Low-cost generics making treatment accessible.
  • Off-patent status encouraging generic manufacturing.
  • Regulatory approvals in multiple countries facilitating distribution.

Market Challenges:

  • Increasing antibiotic resistance reducing efficacy.
  • Stringent regulatory reviews limiting expansion.
  • Competition from newer agents, although limited due to established efficacy.

What Is the Investment Scenario?

The investment outlook for MACRODANTIN hinges on broader trends in antibiotic development, resistance patterns, and regional healthcare economics.

Investment Risks & Opportunities:

  • Risks:

    • Rising resistance diminishes market longevity.
    • Regulatory shifts away from older antibiotics due to safety concerns or resistance.
    • Growing focus on antimicrobial stewardship reduces over-the-counter use.
  • Opportunities:

    • Potential for combination formulations to extend product life.
    • Growth in emerging markets capitalizing on unmet needs.
    • Opportunities in licensing for new formulations or delivery methods.

Potential Revenue Scenarios:

Scenario Market Penetration Revenue Estimate (USD millions) Timeline
Conservative 50% of India market 150 in 2023 1-2 years
Moderate 75% in key markets 200 in 2024 2-3 years
Aggressive Expand to new geographies & formulations 300+ in 2025 3-4 years

Investment Considerations:

  • Established generic market lowers barriers.
  • Resistance trends could impact sales longevity.
  • The off-patent status fosters price competition.

What Are the Regulatory and Commercial Challenges?

Regulatory:

  • Approval processes in different markets can delay expansion.
  • Potential for removal from formularies due to resistance concerns.
  • Safety profile subject to reevaluation if reports of adverse effects increase.

Commercial:

  • Market saturation in key regions.
  • Pricing pressures from generics.
  • Limited scope for differentiation absent new formulations.

What Are the Critical Strategic Moves?

  • Develop combination or extended-release formulations to avoid generic saturation.
  • Secure licensing agreements in emerging markets.
  • Invest in resistance monitoring to inform marketing and R&D decisions.

What Key Data Supports Investment Decisions?

  • Market data from IQVIA indicates consistent growth, with total anti-infective sales in emerging markets expanding annually (~USD 10 billion globally).
  • Resistance patterns show local variability; surveillance is necessary.
  • Price erosion in the generics segment is steady but not prohibitive.
  • Several generic manufacturers hold significant market share in India.

What Are the Long-Term Outlooks?

While MACRODANTIN remains a staple antibiotic in many markets, its future depends on resistance evolution and regulatory attitudes. Market potential remains stable in regions with high urinary tract infection prevalence and limited access to newer antibiotics. No major patent barriers exist, favoring generic manufacturers' dominance. Market expansion or sustained sales require adaptation to resistance issues and health policy shifts.

Key Takeaways

  • MACRODANTIN is a well-established, off-patent antibiotic with broad generic competition.
  • The global market is about USD 500 million, with emerging markets accounting for the majority.
  • Growth is constrained by resistance and regulatory pressures but remains favorable due to low pricing and high demand.
  • Opportunities exist in formulation innovation, regional licensing, and resistance management.
  • Long-term investments hinge on addressing antibiotic resistance and adapting to evolving health policies.

FAQs

1. How does antibiotic resistance impact MACRODANTIN’s market? Resistance reduces efficacy, leading to decreased prescription rates, especially in areas with high resistance prevalence.

2. Are there patent restrictions on MACRODANTIN? No; it is off-patent, enabling widespread generic manufacturing.

3. What regulatory hurdles could affect future sales? Regulatory agencies may re-evaluate safety profiles amid resistance concerns or adverse reports, potentially restricting use.

4. Can MACRODANTIN be used in combination therapies? Currently not common, but developing combination formulations might extend market relevance.

5. What regional factors influence MACRODANTIN’s profitability? Disease prevalence, healthcare access, regulatory environment, and antibacterial resistance patterns vary regionally.


References:

[1] IQVIA. Market Data Report 2022.
[2] WHO. Antimicrobial Resistance Global Report 2021.
[3] Indian Pharmaceutical Market Analysis 2023.
[4] FDA. Antibiotic Approval and Reassessment Guidelines.
[5] Global Antibiotic Market Forecast 2023-2028.

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