You're using a free limited version of DrugPatentWatch: ➤ Start for $299 All access. No Commitment.

Last Updated: December 11, 2025

FLAGYL I.V. Drug Patent Profile


✉ Email this page to a colleague

« Back to Dashboard


When do Flagyl I.v. patents expire, and when can generic versions of Flagyl I.v. launch?

Flagyl I.v. is a drug marketed by Pfizer and Baxter Hlthcare and is included in two NDAs.

The generic ingredient in FLAGYL I.V. is metronidazole. There are eighteen drug master file entries for this compound. Seventy-one suppliers are listed for this compound. Additional details are available on the metronidazole profile page.

DrugPatentWatch® Litigation and Generic Entry Outlook for Flagyl I.v.

A generic version of FLAGYL I.V. was approved as metronidazole by TEVA PHARMS USA on November 6th, 1984.

  Get Started Free

AI Deep Research
Questions you can ask:
  • What is the 5 year forecast for FLAGYL I.V.?
  • What are the global sales for FLAGYL I.V.?
  • What is Average Wholesale Price for FLAGYL I.V.?
Summary for FLAGYL I.V.
US Patents:0
Applicants:2
NDAs:2
Raw Ingredient (Bulk) Api Vendors: 31
Clinical Trials: 77
DailyMed Link:FLAGYL I.V. at DailyMed
Drug patent expirations by year for FLAGYL I.V.
Recent Clinical Trials for FLAGYL I.V.

Identify potential brand extensions & 505(b)(2) entrants

SponsorPhase
Medical College of WisconsinEARLY_PHASE1
Gateway Pharmaceutical LLCPHASE1
Hayder Adnan FawziPHASE2

See all FLAGYL I.V. clinical trials

US Patents and Regulatory Information for FLAGYL I.V.

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Exclusivity Expiration
Pfizer FLAGYL I.V. metronidazole hydrochloride INJECTABLE;INJECTION 018353-001 Approved Prior to Jan 1, 1982 DISCN No No ⤷  Get Started Free ⤷  Get Started Free ⤷  Get Started Free
Baxter Hlthcare FLAGYL I.V. RTU IN PLASTIC CONTAINER metronidazole INJECTABLE;INJECTION 018657-001 Approved Prior to Jan 1, 1982 AP RX Yes Yes ⤷  Get Started Free ⤷  Get Started Free ⤷  Get Started Free
Pfizer FLAGYL I.V. RTU IN PLASTIC CONTAINER metronidazole INJECTABLE;INJECTION 018353-002 Approved Prior to Jan 1, 1982 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

Market Dynamics and Financial Trajectory for FLAGYL I.V.

Last updated: July 30, 2025


Introduction

FLAGYL I.V., the intravenous formulation of metronidazole, represents a critical asset within antimicrobial therapy, especially for severe infections requiring parenteral administration. As antibiotic resistance escalates and clinical demand for effective intravenous agents increases, understanding the evolving market landscape and financial prospects for FLAGYL I.V. becomes essential for pharmaceutical stakeholders, healthcare providers, and investors.


Product Overview

FLAGYL I.V. is a broad-spectrum antimicrobial agent, primarily targeting anaerobic bacteria and protozoa. Its intravenous formulation allows for rapid attainment of therapeutic plasma concentrations, making it indispensable in hospital settings, particularly for intra-abdominal, gynecological, and surgical infections.[1] The drug’s efficacy, alongside its established safety profile, underpins its sustained clinical relevance.


Market Dynamics

Global Antimicrobial Market Growth

The worldwide antimicrobial market, valued at approximately USD 48 billion in 2022, exhibits steady compound annual growth, with projections reaching around USD 70 billion by 2030. This growth is driven by rising incidences of healthcare-associated infections, increasing antimicrobial resistance, and expanding hospital markets, particularly in emerging economies.[2]

Demand Drivers for FLAGYL I.V.

  • Hospital-Acquired Infections (HAIs): The rise in complex surgeries and immunocompromised patient populations sustains demand for potent intravenous antimicrobials.

  • Antibiotic Resistance Concerns: The emergence of resistant organisms prompts reliance on established agents like metronidazole, reinforcing its market share. Local resistance patterns favor the continued use of FLAGYL I.V. in specific indications, especially where alternatives are limited.

  • Regulatory and Clinical Protocols: Endorsed by clinical guidelines for intra-abdominal infections and abscess management fuel prescribing behaviors in hospital protocols globally.

  • COVID-19 Pandemic Impact: Although primarily viral, the pandemic underscored the importance of effective supportive therapeutics for secondary bacterial infections, indirectly supporting intravenous antibiotic markets.

Competitive Landscape

While metronidazole's generic status constrains direct competition from branded products, the availability of alternative antibiotics (e.g., clindamycin, carbapenems) influences market positioning. The absence of novel formulations or significant patent protections keeps the landscape largely commoditized, with price competition being prominent.[3]

Regulatory Factors and Patent Status

Current formulations of FLAGYL I.V. are off-patent, leading to increased generic competition. Nevertheless, regulatory complexities, such as approvals for different formulations or new indications, could open niches for reformulations or combination therapies, impacting future market dynamics.

Market Challenges and Opportunities

  • Resistance Development: Growing resistance could limit efficacy, necessitating formulation modifications or combination therapies.

  • Supply Chain Stability: Manufacturing consistency, especially for sterile injectable drugs, influences availability and pricing.

  • Emerging Markets: Increasing healthcare infrastructure investment in Asia, Africa, and Latin America presents growth opportunities, provided pricing strategies accommodate local economic conditions.

  • Innovative Delivery Systems: Exploration of stability-optimized or biofilm-penetrating formulations could extend utility in difficult-to-treat infections.


Financial Trajectory

Historical Revenue Trends

As a longstanding generic drug, FLAGYL I.V. has historically contributed stable, though moderate, revenue streams for primary manufacturers like Pharmacia (now part of Pfizer) and other generics players. Data indicates that annual global sales of metronidazole injections approximate USD 150 million, with North America and Europe accounting for the majority share.[4]

Pricing Trends

In the context of generic proliferation, prices for FLAGYL I.V. have declined steadily over the past decade. Price erosion is compounded by increasing competition and procurement pressures within hospital formularies, especially in the context of cost containment efforts.

Forecasted Market Revenue

Projections suggest a compound annual growth rate (CAGR) of approximately 2-3% for the injectable metronidazole segment over the next five years, primarily driven by volume increases rather than price appreciation. Emerging markets are expected to lead volume growth, offsetting some price downtrend due to their more aggressive pricing environments.

Impact of Patent and Regulatory Changes

The expiration of patents and regulatory approvals for alternative formulations could further compress prices. However, if manufacturers innovate with new delivery mechanisms or combination products, revenue streams could stabilize or grow within niche segments.

Investment and R&D Outlook

Despite minimal current R&D investment directed at FLAGYL I.V. (due to generic status), strategic development of combination antibiotics or novel delivery systems could present lucrative opportunities. The financial return on such ventures depends on clinical success, regulatory approval, and market acceptance.


Strategic Considerations

  • Market Penetration: Continued emphasis on hospital partnerships and inclusion in clinical guidelines boosts demand.
  • Cost Management: Competitive pricing strategies are essential to maintain margins amidst declining prices.
  • Regulatory Monitoring: Vigilance over new indications or formulations can unlock premium markets or niche segments.
  • Innovation Track: Investment in formulation improvements or combination therapies can differentiate from generics and command higher prices.

Regulatory and Reimbursement Environment

Reimbursement policies vary significantly by region. In North America and Europe, reimbursement for injectable antimicrobials remains relatively stable, whereas in emerging markets, price control measures influence profitability. Regulatory pathways focus on ensuring consistent quality, safety, and efficacy, with relatively limited barriers for off-patent formulations.


Conclusion

The market for FLAGYL I.V. remains characterized by stability punctuated with moderate growth, primarily driven by hospital demand and increasing antimicrobial resistance challenges. Financial trajectories are constrained by generic competition and price pressures but remain supported by steady clinical demand and potential in emerging markets. Strategic innovation, efficient supply chain management, and targeted market expansion could enhance profitability amid a competitive landscape.


Key Takeaways

  1. Stable Demand, Limited Growth: FLAGYL I.V.’s essential role in managing anaerobic and protozoal infections sustains its demand, but price erosion limits significant revenue expansion.
  2. Generic Competition: Off-patent status fosters pricing competition, necessitating cost efficiencies for manufacturers.
  3. Emerging Markets as Growth Drivers: Expanding healthcare infrastructure in Asia, Africa, and Latin America offers new sales opportunities.
  4. Innovation as a Growth Lever: Developing combination therapies or novel formulations may create premium market niches.
  5. Regulatory Vigilance: Monitoring evolving guidelines and resistance patterns is vital for maintaining relevance.

FAQs

1. What are the primary clinical indications for FLAGYL I.V.?
FLAGYL I.V. is indicated for anaerobic bacterial infections, protozoal infections such as amoebiasis and giardiasis, and surgical prophylaxis in intra-abdominal procedures where anaerobic coverage is required.[1]

2. How is the market competitiveness for FLAGYL I.V. affected by recent resistance trends?
Growing resistance among anaerobic pathogens may limit the efficacy of metronidazole, prompting clinicians to consider alternative agents or combination therapies, potentially impacting market share.

3. What regulatory challenges could impact FLAGYL I.V.’s market?
Off-label use, formulation approvals in new jurisdictions, and potential formulations with enhanced delivery systems require regulatory scrutiny, which could influence market dynamics.

4. How does pricing strategy influence the financial trajectory of FLAGYL I.V.?
Price competition among multiple generic manufacturers pressures margins but volume-based sales, especially in emerging markets, can sustain revenue levels.

5. Are there ongoing innovations that could reshape FLAGYL I.V.’s market?
Research into combination drugs, formulations with improved stability, or targeted delivery systems could provide differentiation and new revenue streams.


References

[1] U.S. Food and Drug Administration. Metronidazole injection prescribing information.
[2] MarketsandMarkets. Antimicrobials Market by Type, Route of Administration, Application, Indication, & Region — Global Forecast to 2030.
[3] IQVIA. Global Use of Medicines in 2022.
[4] PMR Reports. Injectable Metronidazole Market Data, 2020-2025.

More… ↓

⤷  Get Started Free

Make Better Decisions: Try a trial or see plans & pricing

Drugs may be covered by multiple patents or regulatory protections. All trademarks and applicant names are the property of their respective owners or licensors. Although great care is taken in the proper and correct provision of this service, thinkBiotech LLC does not accept any responsibility for possible consequences of errors or omissions in the provided data. The data presented herein is for information purposes only. There is no warranty that the data contained herein is error free. We do not provide individual investment advice. This service is not registered with any financial regulatory agency. The information we publish is educational only and based on our opinions plus our models. By using DrugPatentWatch you acknowledge that we do not provide personalized recommendations or advice. thinkBiotech performs no independent verification of facts as provided by public sources nor are attempts made to provide legal or investing advice. Any reliance on data provided herein is done solely at the discretion of the user. Users of this service are advised to seek professional advice and independent confirmation before considering acting on any of the provided information. thinkBiotech LLC reserves the right to amend, extend or withdraw any part or all of the offered service without notice.