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Last Updated: March 30, 2025

FLAGYL I.V. Drug Patent Profile


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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.

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Summary for FLAGYL I.V.
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
Leiden University Medical CenterPhase 4
University of North Carolina, Chapel HillPhase 2
University of AmsterdamPhase 2

See all FLAGYL I.V. clinical trials

US Patents and Regulatory Information for FLAGYL I.V.

ApplicantTradenameGeneric NameDosageNDAApproval DateTETypeRLDRSPatent No.Patent ExpirationProductSubstanceDelist Req.Exclusivity Expiration
Pfizer FLAGYL I.V. metronidazole hydrochloride INJECTABLE;INJECTION 018353-001 Approved Prior to Jan 1, 1982 DISCN No No ⤷  Try for Free ⤷  Try for Free ⤷  Try for Free
Pfizer FLAGYL I.V. RTU IN PLASTIC CONTAINER metronidazole INJECTABLE;INJECTION 018353-002 Approved Prior to Jan 1, 1982 DISCN No No ⤷  Try for Free ⤷  Try for Free ⤷  Try for 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 ⤷  Try for Free ⤷  Try for Free ⤷  Try for Free
>Applicant>Tradename>Generic Name>Dosage>NDA>Approval Date>TE>Type>RLD>RS>Patent No.>Patent Expiration>Product>Substance>Delist Req.>Exclusivity Expiration
Showing 1 to 3 of 3 entries

Market Dynamics and Financial Trajectory for Flagyl I.V. (Metronidazole)

Introduction

Flagyl I.V., also known as metronidazole, is a widely used antibiotic for treating anaerobic infections. Understanding its market dynamics and financial trajectory is crucial for pharmaceutical companies, investors, and healthcare professionals.

Market Size and Growth

The global metronidazole market, which includes Flagyl I.V., has seen a mixed trend in recent years. As of 2021, the market size was estimated to be worth US$ 113 million. However, it is forecast to decline to US$ 109.1 million by 2028, with a compound annual growth rate (CAGR) of -0.5% during the forecast period of 2022-2030[3].

Key Segments and Applications

The metronidazole market is segmented based on type and application. The main types include the Glyoxal Process, EthideneDiamine Process, and others. In terms of applications, metronidazole is used in various forms such as tablets, capsules, and injections. Flagyl I.V. specifically falls under the injection category, which is critical for treating serious bacterial infections in different parts of the body[3][4].

Clinical and Pharmacokinetic Rationale

Metronidazole's pharmacokinetic profile supports its use in various dosing regimens. Traditionally administered three times a day (TID), there is growing evidence to support twice daily (BID) dosing, which can mitigate adverse effects such as gastrointestinal upset and peripheral neuropathies. Studies have shown that BID dosing achieves comparable peak serum concentrations to TID dosing, making it a viable and potentially more patient-friendly option[1].

Market Players and Competition

The global metronidazole market is competitive, with several key players. Companies like Hongyuan Pharmaceutical are significant in this market. Additionally, Shionogi Inc., which markets Flagyl among other products, plays a crucial role in the infectious disease segment. The competitive landscape is driven by strategies such as expanding sales, royalty income, and the development of new products[3][5].

Financial Performance of Key Players

Shionogi Inc., a major player in the market, has reported steady financial progress. In the fiscal year 2023, the company achieved record-breaking revenue and operating profit, with a significant contribution from its infectious disease segment, including Flagyl. The revenue from prescription drugs, including Flagyl, has been a stable revenue base for the company. However, the profit before tax and profit attributable to owners of parent decreased compared to the previous year, largely due to temporary income factors[5].

Revenue Streams and Cost Factors

The revenue from metronidazole, including Flagyl I.V., comes from various streams such as direct sales, contract manufacturing, and royalty income. For Shionogi Inc., the sales of infectious disease drugs, including Flagyl, have been a key driver of revenue growth. However, the cost of sales and research and development expenses also play a significant role in the financial trajectory of these companies. The cost of sales for Shionogi Inc. has remained relatively stable, while R&D expenses have been significant, reflecting the company's commitment to innovation and product development[5].

Market Trends and Opportunities

The market for metronidazole is influenced by several trends and opportunities. The growing need for effective treatments for anaerobic infections and the expansion of sales in the infectious disease segment are key drivers. Additionally, the potential for reduced dosing frequency (from TID to BID) could reduce adverse effects and costs, making the treatment more appealing to patients and healthcare providers. However, the market also faces challenges such as declining growth rates and the need for continuous innovation to stay competitive[1][3].

Challenges and Limitations

Despite its clinical efficacy, metronidazole faces several challenges. The drug is associated with serious side effects such as liver problems and skin reactions, which can be life-threatening in some cases. Moreover, clinical data is lacking to support BID dosing for certain infections like C. difficile and CNS infections, limiting its application in these areas[1][4].

Regulatory and Safety Considerations

Metronidazole, including Flagyl I.V., is subject to strict regulatory oversight. It is administered only under the direct supervision of a doctor, and patients must be monitored for potential side effects. Regulatory bodies emphasize the importance of proper dosing and monitoring to minimize risks such as liver problems and skin reactions[4].

Conclusion

The market dynamics and financial trajectory of Flagyl I.V. are complex and influenced by various factors. While the global metronidazole market is forecast to decline slightly, the drug remains a crucial treatment option for anaerobic infections. Companies like Shionogi Inc. continue to drive revenue growth through their infectious disease segments, despite facing challenges such as adverse effects and regulatory scrutiny.

Key Takeaways

  • The global metronidazole market is forecast to decline to US$ 109.1 million by 2028.
  • Twice daily dosing of metronidazole is supported by pharmacokinetic and clinical evidence.
  • Shionogi Inc. and other key players drive revenue through direct sales and royalty income.
  • The drug faces challenges such as adverse effects and limited application in certain infections.
  • Regulatory oversight is critical to ensure safe administration.

FAQs

What is the current market size of the global metronidazole market?

The global metronidazole market size was estimated to be worth US$ 113 million in 2021[3].

What is the forecasted growth rate of the metronidazole market?

The market is forecast to decline with a CAGR of -0.5% during the period of 2022-2030[3].

What are the main applications of metronidazole?

Metronidazole is used in various forms such as tablets, capsules, and injections, primarily for treating anaerobic infections[3][4].

Why is twice daily dosing of metronidazole being considered?

Twice daily dosing of metronidazole can mitigate adverse effects such as gastrointestinal upset and peripheral neuropathies while achieving comparable peak serum concentrations to TID dosing[1].

Which companies are key players in the metronidazole market?

Key players include Hongyuan Pharmaceutical and Shionogi Inc., among others[3][5].

What are the significant side effects associated with metronidazole?

Metronidazole is associated with serious side effects such as liver problems, skin reactions, and other adverse effects that require careful monitoring[1][4].

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