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Last Updated: April 5, 2026

MANDOL Drug Patent Profile


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

Mandol is a drug marketed by Lilly and is included in two NDAs.

The generic ingredient in MANDOL is cefamandole nafate. There are five drug master file entries for this compound. Additional details are available on the cefamandole nafate profile page.

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Summary for MANDOL
US Patents:0
Applicants:1
NDAs:2

US Patents and Regulatory Information for MANDOL

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Exclusivity Expiration
Lilly MANDOL cefamandole nafate INJECTABLE;INJECTION 062560-001 Sep 10, 1985 DISCN No No ⤷  Start Trial ⤷  Start Trial ⤷  Start Trial
Lilly MANDOL cefamandole nafate INJECTABLE;INJECTION 050504-003 Approved Prior to Jan 1, 1982 DISCN No No ⤷  Start Trial ⤷  Start Trial ⤷  Start Trial
Lilly MANDOL cefamandole nafate INJECTABLE;INJECTION 050504-002 Approved Prior to Jan 1, 1982 DISCN No No ⤷  Start Trial ⤷  Start Trial ⤷  Start Trial
Lilly MANDOL cefamandole nafate INJECTABLE;INJECTION 062560-002 Sep 10, 1985 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

Investment Scenario and Fundamentals Analysis for Mandol (Metronidazole)

Last updated: February 20, 2026

What Is The Market Position And Therapeutic Use of Mandol?

Mandol is the branded form of metronidazole, an antimicrobial agent used primarily to treat bacterial and protozoal infections. It is approved for indications such as bacterial vaginosis, trichomoniasis, amebiasis, and C. difficile-associated diarrhea. The drug’s versatility allows it to maintain steady demand across multiple infectious disease segments.

What Is The Current Market Size and Growth Outlook?

The global metronidazole market was valued at approximately $200 million in 2022, with a compound annual growth rate (CAGR) of 3.5% projected through 2027 (Research and Markets, 2022). The market is driven by:

  • Increasing incidence of bacterial and protozoal infections.
  • Growing awareness and diagnosis rates.
  • Expanding use in developing countries.

In developed markets, demand stabilizes due to high treatment compliance and maturity. Emerging markets represent growth opportunities, driven by improving healthcare infrastructure.

How Does Mandol Competitive Positioning Look?

Mandol faces competition from generic metronidazole formulations and alternative antibiotics like tinidazole and ornidazole. Key factors influencing its market share include:

  • Brand recognition: Mandol’s established presence in specific regions.
  • Pricing strategy: Competition from lower-cost generics.
  • Formulation options: Availability in oral and injectable forms.

The patent for Mandol expired in 2008 in many jurisdictions, resulting in proliferation of generics. However, regional brand loyalty and physician prescribing habits sustain some premium pricing.

What Are The Key Regulatory And Patent Considerations?

Mandol’s active ingredient, metronidazole, is off-patent globally. The original patent for Mandol expired around 2008, leading to widespread generic production.

  • Regulatory Status: Approved in multiple countries; stringent approval processes maintained by FDA (US), EMA (Europe), and others.
  • Market Access: Reimbursement policies favor generics, compress margins for branded Mandol.
  • Patents: No active patents protect Mandol; potential for patent challenges from generic manufacturers.

What Are The R&D and Lifecycle Opportunities?

Generic drugs like Mandol yield limited R&D investment returns due to off-patent status. However, lifecycle extensions could involve:

  • Developing fixed-dose combinations (FDCs).
  • Introducing novel formulations (e.g., sustained-release).
  • Conducting clinical trials for new indications or optimized dosing.

Investments in biosimilar or alternative antimicrobial development face high barriers given existing efficacious broad-spectrum antibiotics.

What Are The Commercial and Investment Risks?

  • Market Decline: Patent expiration in 2008 resulted in pricing pressure.
  • Generic Competition: Market share declines as generics capture volume.
  • Regulatory Changes: Stringent regulations and approvals can impact supply.
  • Resistance Development: Bacterial resistance can reduce clinical efficacy over time, affecting sales.

Financial Outlook and Investment Considerations

Given the generic status of metronidazole:

Parameter Observation
Revenue Potential Moderate, primarily in emerging markets
Margins Low, due to generic pricing pressures
Investment in R&D Limited, focus on lifecycle management
Market Growth Stabilizing, 3-4% CAGR globally

Investors should consider the drug’s mature market status, limited long-term growth prospects, and competition landscape. Portfolio diversification into emerging innovator therapies or combination formulations offers higher upside potential.

Key Takeaways

  • Mandol is a branded formulation of an off-patent generic, metronidazole.
  • The market is mature, with slow growth and high competition from generics.
  • Regulatory environment favors widespread approval, but margins diminish due to competition.
  • Lifecycle opportunities are limited; R&D focus should aim at formulations or combination therapies.
  • Investment risks include declining market share, resistance development, and regulatory shifts.

Frequently Asked Questions

1. What is the primary therapeutic use of Mandol?
Treats bacterial vaginosis, trichomoniasis, amebiasis, and C. difficile infections.

2. How does the patent expiration impact Mandol’s market?
Patent expiry in 2008 led to generic competition, reducing brand dominance and pricing power.

3. What is the growth outlook for metronidazole?
Stable, with a CAGR of approximately 3.5% through 2027, driven by demand in developing regions.

4. Are there R&D opportunities for Mandol?
Limited; focus may shift towards novel formulations, combinations, or indications to extend lifecycle.

5. What are the key risks for investing in Mandol?
Market share erosion, low margins, resistance development, and regulatory challenges.

References

[1] Research and Markets. (2022). Global Metronidazole Market Report.
[2] U.S. Food and Drug Administration. (2022). Drug Approvals and Status.
[3] European Medicines Agency. (2022). Approved Medicinal Products.

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