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Last Updated: March 19, 2026

NITROFURANTOIN (MONOHYDRATE/MACROCRYSTALS) Drug Patent Profile


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Which patents cover Nitrofurantoin (monohydrate/macrocrystals), and when can generic versions of Nitrofurantoin (monohydrate/macrocrystals) launch?

Nitrofurantoin (monohydrate/macrocrystals) is a drug marketed by Alvogen, Amneal Pharms, Aurobindo Pharma, Chartwell Rx, Inventia, Mankind Pharma, Omsav Pharma, Ranbaxy Labs Ltd, Sandoz, Sunny, and Watson Labs Inc. and is included in eleven NDAs.

The generic ingredient in NITROFURANTOIN (MONOHYDRATE/MACROCRYSTALS) is nitrofurantoin; nitrofurantoin, macrocrystalline. There are twenty drug master file entries for this compound. Twenty-nine suppliers are listed for this compound. Additional details are available on the nitrofurantoin; nitrofurantoin, macrocrystalline profile page.

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Summary for NITROFURANTOIN (MONOHYDRATE/MACROCRYSTALS)
US Patents:0
Applicants:11
NDAs:11

US Patents and Regulatory Information for NITROFURANTOIN (MONOHYDRATE/MACROCRYSTALS)

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Exclusivity Expiration
Alvogen NITROFURANTOIN (MONOHYDRATE/MACROCRYSTALS) nitrofurantoin; nitrofurantoin, macrocrystalline CAPSULE;ORAL 215002-001 Jul 20, 2022 DISCN No No ⤷  Get Started Free ⤷  Get Started Free ⤷  Get Started Free
Omsav Pharma NITROFURANTOIN (MONOHYDRATE/MACROCRYSTALS) nitrofurantoin; nitrofurantoin, macrocrystalline CAPSULE;ORAL 217073-001 Nov 3, 2023 AB RX No No ⤷  Get Started Free ⤷  Get Started Free ⤷  Get Started Free
Chartwell Rx NITROFURANTOIN (MONOHYDRATE/MACROCRYSTALS) nitrofurantoin; nitrofurantoin, macrocrystalline CAPSULE;ORAL 076648-001 Mar 22, 2004 DISCN No No ⤷  Get Started Free ⤷  Get Started Free ⤷  Get Started Free
Ranbaxy Labs Ltd NITROFURANTOIN (MONOHYDRATE/MACROCRYSTALS) nitrofurantoin; nitrofurantoin, macrocrystalline CAPSULE;ORAL 076951-001 Mar 30, 2005 DISCN No No ⤷  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

NITROFURANTOIN (MONOHYDRATE/MACROCRYSTALS) Market Analysis and Financial Projection

Last updated: February 4, 2026

Investment Scenario and Fundamentals Analysis for Nitrofurnantin (Monohydrate/Macrocrystals)

Market Overview

Nitrofurantoin (monohydrate/macrocrystals) is an oral antibiotic primarily used for urinary tract infections (UTIs). The drug has been on the market since the 1950s, with a well-established profile for uncomplicated cystitis. Its global market is driven by the high prevalence of UTIs, especially in women, along with rising antibiotic resistance against other classes.

Market Size and Growth Potential

  • Global UTI treatment market valued at approximately $3.2 billion in 2022 and growing at CAGR 3-4% through 2028 (source: MarketsandMarkets).
  • Nitrofurantoin accounts for roughly 20-25% of the overall UTI antibiotic market, with revenue estimates around $600 million in 2022.
  • Increasing resistance against fluoroquinolones and trimethoprim-sulfamethoxazole enhances Nitrofurantoin demand.

Patent and Regulatory Status

  • No recent patent exclusivity for nitrofurantoin; off-patent for decades.
  • Approved in many countries, including U.S. (FDA approval 1953), EU, Japan, and emerging markets.
  • Generic availability limits pricing power but offers stable demand for established formulations.

Competitive Landscape

  • Dominated by generic manufacturers with established supply chains.
  • Limited pipeline for new formulations due to its age and patent expiry.
  • Emerging interest in formulations with improved pharmacokinetics or combination therapies to extend lifecycle.

Key Investment Drivers

  • Growth in UTI cases driven by aging population and increased prevalence of comorbidities.
  • Rising antibiotic resistance impacting alternative drugs, bolstering Nitrofurantoin’s role.
  • Potential for reformulation or combination products to extend product life cycle.

Risks and Challenges

  • Regulatory hurdles for new formulations or combination therapies.
  • Antibiotic stewardship policies potentially limiting use.
  • Generic price pressures dampening margins.
  • Increasing concern over bacterial resistance to nitrofurantoin itself, though current data shows sustained efficacy.

Patent and IP Considerations

  • No active patents; primary exclusivity expired decades ago.
  • Recent formulation patents or delivery systems could provide minimal competitive niches but are limited.

Manufacturing and Supply Chain

  • Well-established manufacturing processes with multiple global suppliers.
  • Supply chain stability depends on raw material procurement and regulatory compliance.

Financial Outlook

  • Margins typical of generic antibiotics: low single digits to high single digits percentage profit margins.
  • Stable demand but limited growth scope in mature markets.

Strategic Recommendations

  • Focus on markets with limited generic penetration and high UTI prevalence.
  • Explore formulation innovations or delivery mechanisms.
  • Consider licensing or partnership opportunities in emerging markets.

Clinical and Regulatory Trends

  • Growing emphasis on stewardship and resistance monitoring.
  • Potential for expanded indications in complicated urinary tract infections or prophylaxis.
  • Regulatory focus on bioequivalence and manufacturing standards for generics.

Key Takeaways

  • Nitrofurantoin (monohydrate/macrocrystals) operates in a mature, saturated market with limited patent protection.
  • Market growth relies on demographic factors and resistance trends favoring its continued use.
  • Investment stability hinges on supply chain robustness and regulatory environment, with minimal room for significant differentiation or premium pricing.
  • Resistance issues and stewardship policies pose threats to long-term demand.
  • Opportunities exist in formulation enhancement, regional expansion, and niche applications.

FAQs

1. What is the primary therapeutic use of Nitrofurantoin?
It treats uncomplicated urinary tract infections caused by susceptible bacteria.

2. How does antibiotic resistance affect Nitrofurantoin?
While resistance exists, current data suggests Nitrofurantoin maintains efficacy against most strains causing UTIs, though surveillance is ongoing.

3. Are there patent protections for Nitofurantoin?
No. The drug's patents expired decades ago, leading to widespread generic manufacturing.

4. What are the growth prospects for Nitrofurantoin in the next five years?
Stability in demand is expected, driven by UTI prevalence and resistance patterns, but growth potential is limited due to market maturity and price competition.

5. Can formulations be extended or improved?
Yes, development of modified-release formulations or combination therapies presents potential but faces regulatory and patent hurdles.


Sources

[1] MarketsandMarkets. "Urinary Tract Infection (UTI) Treatment Market," 2022.

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