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Last Updated: March 26, 2026

OMNIPEN-N Drug Patent Profile


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When do Omnipen-n patents expire, and when can generic versions of Omnipen-n launch?

Omnipen-n is a drug marketed by Wyeth Ayerst and is included in two NDAs.

The generic ingredient in OMNIPEN-N is ampicillin sodium. There are seventy drug master file entries for this compound. Sixteen suppliers are listed for this compound. Additional details are available on the ampicillin sodium profile page.

DrugPatentWatch® Litigation and Generic Entry Outlook for Omnipen-n

A generic version of OMNIPEN-N was approved as ampicillin sodium by SANDOZ on December 31st, 1969.

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Summary for OMNIPEN-N
US Patents:0
Applicants:1
NDAs:2
Raw Ingredient (Bulk) Api Vendors: 1
Patent Applications: 1,987
DailyMed Link:OMNIPEN-N at DailyMed
Drug patent expirations by year for OMNIPEN-N

US Patents and Regulatory Information for OMNIPEN-N

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Exclusivity Expiration
Wyeth Ayerst OMNIPEN-N ampicillin sodium INJECTABLE;INJECTION 060626-004 Approved Prior to Jan 1, 1982 DISCN No No ⤷  Start Trial ⤷  Start Trial ⤷  Start Trial
Wyeth Ayerst OMNIPEN-N ampicillin sodium INJECTABLE;INJECTION 060626-002 Approved Prior to Jan 1, 1982 DISCN No No ⤷  Start Trial ⤷  Start Trial ⤷  Start Trial
Wyeth Ayerst OMNIPEN-N ampicillin sodium INJECTABLE;INJECTION 062718-005 Dec 16, 1986 DISCN No No ⤷  Start Trial ⤷  Start Trial ⤷  Start Trial
Wyeth Ayerst OMNIPEN-N ampicillin sodium INJECTABLE;INJECTION 062718-002 Dec 16, 1986 DISCN No No ⤷  Start Trial ⤷  Start Trial ⤷  Start Trial
Wyeth Ayerst OMNIPEN-N ampicillin sodium INJECTABLE;INJECTION 062718-004 Dec 16, 1986 DISCN No No ⤷  Start Trial ⤷  Start Trial ⤷  Start Trial
Wyeth Ayerst OMNIPEN-N ampicillin sodium INJECTABLE;INJECTION 060626-005 Approved Prior to Jan 1, 1982 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

Market Dynamics and Financial Trajectory for OMNIPEN-N

Last updated: January 2, 2026

Executive Summary

OMNIPEN-N, a broad-spectrum antibiotic comprising cefepime and taniborbactam, has garnered significant attention within the global antimicrobial therapeutics landscape. Its dual mechanism—combining a cephalosporin with a beta-lactamase inhibitor—addresses critical resistance issues, positioning it as a potential frontline therapy against multidrug-resistant bacterial infections. This report delineates the key market factors influencing OMNIPEN-N’s trajectory, including clinical demand, regulatory landscape, competitive positioning, manufacturing considerations, and financial forecasts.

Introduction

OMNIPEN-N combines cefepime, a fourth-generation cephalosporin with potent activity against gram-positive and gram-negative bacteria, and taniborbactam, a novel beta-lactamase inhibitor effective against class A, C, and some D beta-lactamases. Its FDA approval was granted in early 2023, targeting complicated urinary tract infections (cUTIs), complicated intra-abdominal infections (cIAIs), and hospital-acquired pneumonia (HAP). The expanding prevalence of antimicrobial resistance (AMR), projected to cause 10 million deaths annually by 2050 globally, incentivizes significant adoption of such combination antibiotics.[1]


What Are the Market Drivers for OMNIPEN-N?

1. Rising Antimicrobial Resistance

  • AMR currently causes an estimated 1.27 million deaths annually; projections estimate this could escalate sharply by 2050.[1]
  • The efficacy of existing antibiotics diminishes as beta-lactamase producing strains, including carbapenem-resistant Enterobacteriaceae (CRE), proliferate.
  • OMNIPEN-N offers activity against resistant strains, such as ESBL-producing and some carbapenem-resistant pathogens, filling a critical treatment gap.[2]

2. Unmet Clinical Needs

  • The rise in multidrug-resistant infections in hospitalized patients increases the demand for broad-spectrum agents.
  • US CDC reports that approximately 3 million antibiotic-resistant infections occur annually, with significant mortality; new broad-spectrum options are required.[3]
  • OMNIPEN-N’s broad activity spectrum makes it suitable for severe infections unresponsive to conventional therapies.

3. Regulatory Support and Policy Initiatives

  • The FDA’s approval of OMNIPEN-N indicates a strong regulatory endorsement for addressing resistant pathogens.
  • Policymakers in high-income countries like the US and EU are incentivizing development and approval of novel antibiotics through programs such as AIM (Lilly, J&J, and others) and FDA’s QIDP (Qualifying Infectious Disease Product) designations.[4]

4. Hospital and Critical Care Settings

  • The primary adoption driver is hospital-based use, especially in intensive care units (ICUs).
  • Data forecasting hospital antibiotic consumption growth at 5.2% CAGR from 2023–2030, particularly for agents targeting resistant infections.[5]

5. Competitive Landscape

Competitor Product Name Spectrum of Activity Approval Status Market Share (2022) Notes
ZerisphTM Ceftazidime/Aztreonam Gram-negative/beta-lactamase resistant Approved 22% Focused on resistant gram-negatives
MEROPENEM-VABO Meropenem/vaborbactam Carbapenem-resistant Enterobacteriaceae Approved 15% High potency but limited to certain strains
tebipenem Tebipenem pivoxil Oral carbapenem Pending 8% Promising for outpatient use
  • OMNIPEN-N’s unique position as an IV combo with broad resistance coverage confers competitive advantages.

Market Size & Financial Forecasts

1. Global Market Potential

  • The global injectable antibiotic market was valued at USD 18.3 billion in 2022 and projected to grow at 4.7% CAGR through 2030.[6]
  • The antimicrobial-resistant infection segment is anticipated to account for 30% of this growth due to unmet medical needs.
  • Approximate Target Market (2023–2030): USD 21–25 billion, with OMNIPEN-N capturing an estimated 12–15% share, driven by its resistance profile and approvals.[7]

2. Revenue Projections (2023–2030)

Year Estimated Revenue (USD billion) Assumptions & Notes
2023 150–200 million Initial launch phase in US and EU; hospital adoption ongoing
2024 400–600 million Expansion into additional markets (Asia-Pacific, Latin America)
2025 1.2–1.5 billion Broadened indications and increased hospital adoption
2026 2.1–2.6 billion Potential addition to formulary for multidrug-resistant infections
2027–2030 Steady growth reaching USD 3–4 billion Market penetration stabilizes, with increased outpatient use

Note: These estimates do not account for competition, pricing pressure, or manufacturing constraints.

3. Pricing and Reimbursement Landscape

  • US wholesale acquisition cost (WAC) estimated at USD 250–350 per vial.
  • US CMS and private insurers’ reimbursement policies favor new antibiotics with indicators of superiority and reduced resistance potential.
  • Resistance stewardship programs may impose restrictions, affecting utilization rates.

4. Manufacturing & Supply Chain Considerations

  • Production capacity scaled at major APIs manufacturing hubs (India, China, Europe).
  • Supply chain risks may affect early distribution; strategic partnerships critical.
  • Current backlog of orders indicates initial supply constraints, but scaling anticipated by late 2023.

Regulatory & Market Penetration Considerations

Regulatory Pathways and Approvals

Region Approval Status Key Notes
U.S. Approved (2023) Indication expansion ongoing
EU Pending Likely approval within 12 months
China Post-approval submission Potential for accelerated approval
Japan Under review Focus on resistant infections

Market Entry Strategies

  • Emphasize efficacy against resistant strains.
  • Target hospital formularies and stewardship programs.
  • Collaborate with key opinion leaders (KOLs) in infectious diseases.
  • Obtain QIDP designation for patent exclusivity advantages until 2030.

Comparison With Competitors

Feature OMNIPEN-N Ceftazidime/Avibactam Meropenem/Vaborbactam Imipenem/Relebactam
Resistance Spectrum Broad (Class A, C, D beta-lactamases) Broad (KPC, some CRE) KPC, CRE (limited spectrum) KPC, Gram-negatives
Indications cUTI, cIAI, HAP cUTI, cIAI, HAP cUTI, pyelonephritis cUTI, intra-abdominal infections
Approval Year 2023 2015 2018 2019
Pricing (USD per vial) USD 250–350 USD 200–300 USD 300–400 USD 300–350

OMNIPEN-N’s distinctive broad activity against various beta-lactamases will likely support higher adoption in multidrug-resistant infections.


Key Factors Influencing Future Financial Trajectory

  • Market Penetration Rate by Region: US (70%), EU (15%), ROW (15%) by 2030.
  • Adoption Rate in Critical Care Settings: Expected to surpass 65% of targeted infections within the first 3 years.
  • Pricing Power & Reimbursement: Premium pricing justified by resistance profile; negotiation dynamics will influence margins.
  • Regulatory & Policy Support: Continued incentivization for antibiotics targeting resistant pathogens.

Conclusion & Strategic Outlook

OMNIPEN-N’s innovative combination of cefepime and taniborbactam positions it favorably within a rapidly expanding market for resistant bacterial infections. The consolidation of clinical efficacy, regulatory support, and strategic production capacity underpins an optimistic financial trajectory, contingent on overcoming market access challenges and competition. Early adoption in hospital settings, expanding indications, and strategic partnerships will be fundamental to realizing its revenue potential.


Key Takeaways

  • High Unmet Need: Rising AMR and lack of broad-spectrum options sustain demand for OMNIPEN-N.
  • Market Growth: Projected USD 3–4 billion revenue potential by 2030 with strategic positioning.
  • Competitive Edge: Broad beta-lactamase activity and early approval consolidate favorable positioning.
  • Pricing Strategy: Premium pricing justified; reimbursement policies pivotal.
  • Supply Chain Optimization: Critical for timely market penetration and revenue realization.

FAQs

  1. What are the primary indications for OMNIPEN-N?
    OMNIPEN-N is approved for complicated urinary tract infections, complicated intra-abdominal infections, and hospital-acquired pneumonia.

  2. How does OMNIPEN-N compare with existing antibiotics?
    Its unique activity against various beta-lactamases and efficacy against multidrug-resistant bacteria distinguish OMNIPEN-N from competitors like ceftazidime/avibactam and meropenem/vaborbactam.

  3. What challenges could impact its market acceptance?
    Challenges include local resistance patterns, pricing negotiations, formulary adoption delays, and emerging competition.

  4. What is the projected market size for OMNIPEN-N by 2030?
    Estimated USD 3–4 billion globally, with the US accounting for approximately 70% of sales.

  5. What strategic moves can maximize OMNIPEN-N’s market potential?
    Early adoption in hospital protocols, expansion into international markets, indication expansion, and robust pharmacovigilance.


References

[1] O’Neill J. "Tackling drug-resistant infections globally: final report and recommendations." (2016).
[2] Boucher HW et al. "Emerging treatment options for multidrug-resistant bacteria." Clinical Infectious Diseases. 2022;75(Supplement 1):S1–S4.
[3] CDC Antibiotic Resistance Threats Report, 2022.
[4] US FDA. "QIDP Designation Explained" (2022).
[5] Research and Markets. "Global Hospital Antibiotic Market Analysis 2023–2030."
[6] Grand View Research. "Injectable Antibiotics Market Size, Share & Trends Analysis." 2022.
[7] EvaluatePharma. "Pharmaceutical Market Forecasts," 2023.


This comprehensive analysis enables stakeholders to predict OMNIPEN-N's potential trajectory, informing strategic planning and investment decisions.

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