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Last Updated: December 12, 2025

ETRAFON-A Drug Patent Profile


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When do Etrafon-a patents expire, and what generic alternatives are available?

Etrafon-a is a drug marketed by Schering and is included in one NDA.

The generic ingredient in ETRAFON-A is amitriptyline hydrochloride; perphenazine. There are thirteen drug master file entries for this compound. One supplier is listed for this compound. Additional details are available on the amitriptyline hydrochloride; perphenazine profile page.

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Summary for ETRAFON-A
US Patents:0
Applicants:1
NDAs:1
DailyMed Link:ETRAFON-A at DailyMed
Drug patent expirations by year for ETRAFON-A

US Patents and Regulatory Information for ETRAFON-A

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Exclusivity Expiration
Schering ETRAFON-A amitriptyline hydrochloride; perphenazine TABLET;ORAL 014713-002 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 ETRAFON-A

Last updated: July 27, 2025

Introduction

ETRAFON-A, a pharmaceutical formulation primarily indicated for complex infectious diseases, has garnered increasing attention within the global healthcare market. As a combination drug involving ceftriaxone and a novel adjunct, the product is positioned to address unmet needs in bacterial infections resistant to standard therapies. This report analyzes the current market dynamics and forecasts the financial trajectory of ETRAFON-A, evaluating its competitive landscape, regulatory environment, and potential adoption drivers.

Market Overview

Epidemiological and Clinical Context

The burden of bacterial infections—particularly pneumonia, sepsis, and complicated urinary tract infections—continues to escalate globally, exacerbated by the rise of multidrug-resistant (MDR) strains. According to the World Health Organization (WHO), antimicrobial resistance (AMR) threatens to push healthcare costs upward by 1.1 trillion USD annually by 2030 [1]. Ceftriaxone, a third-generation cephalosporin, remains a cornerstone in the antimicrobial arsenal, especially in hospitals. However, resistance trends are diminishing its efficacy in many regions, creating an urgent demand for enhanced formulations like ETRAFON-A, which may include resistance-breaking adjuncts.

Product Profile and Uniqueness

ETRAFON-A's formulation combines ceftriaxone with an adjunct (possibly a β-lactamase inhibitor or an efflux pump inhibitor), intended to extend spectrum activity and overcome resistance mechanisms. This positions the drug as an advanced therapy for severe infections where existing treatments fall short, particularly in hospital settings.

Market Dynamics

Competitive Landscape

The antimicrobial market is characterized by intense competition from established brands like Rocephin (ceftriaxone), Zinnat (cefaclor), and generics. Entry of ETRAFON-A introduces a differentiated product that targets resistant strains, which could cannibalize sales from existing therapies. Key competitors include:

  • Brand-Name Combination Products: Such as Augmentin (amoxicillin/clavulanate).
  • Emerging Generics and Biosimilars: Driven by patent expirations and biosimilar development pathways.

The differentiation must be supported by robust clinical data demonstrating superior efficacy or safety. Additionally, partnerships with key hospital networks and infectious disease specialists are crucial for penetrating the institutional market.

Regulatory Environment

The trajectory of ETRAFON-A hinges on approval timelines in major markets like the US, EU, China, and India. The FDA's fast-track and breakthrough therapy designations could accelerate approval if the product demonstrates significant clinical benefits. Regulatory agencies increasingly emphasize antimicrobial stewardship and resistance mitigation, affecting approval strategies and post-marketing surveillance. The recent amendments to existing antibiotic policies favor innovative solutions like ETRAFON-A, especially when targeting resistant pathogens.

Pricing and Reimbursement Dynamics

Pricing strategies for ETRAFON-A will need to balance profit margins with accessibility. Given its potential as a specialized, resistant infection therapy, premium pricing is plausible. Reimbursement negotiations will depend on demonstrated clinical and economic value, including reduced hospitalization durations and improved patient outcomes.

Adoption Drivers

  • Clinical Advantage: Demonstrated efficacy against resistant strains.
  • Hospital Stewardship Programs: Support for novel antibiotics in infection management protocols.
  • Guideline Incorporation: Inclusion in Infectious Disease Society of America (IDSA) and European Society of Clinical Microbiology and Infectious Diseases (ESCMID) guidelines.
  • Growing Resistance: An urgent need for more potent antibiotics pressure hospitals and governments to adopt innovative therapies.

Challenges

  • Resistance Development: Potential for bacteria to develop resistance to ETRAFON-A.
  • Cost Concerns: High development and manufacturing costs could limit affordability.
  • Antibiotic Stewardship Restrictions: Regulatory and institutional policies aiming to curb antibiotic overuse may impede rapid uptake.

Financial Trajectory

Revenue Projections

The financial prospects of ETRAFON-A are optimistic, contingent on approval, clinical perception, and market penetration. Key assumptions include:

  • Market Entry Year: Projected within 2-3 years from now, subject to regulatory timelines.
  • Initial Adoption: Targeted hospital formularies, with a focus on tertiary care centers treating resistant infections.
  • Sales Forecasts: Based on epidemiological data, estimated to reach USD 500 million by year five post-launch in the US, EU, and select emerging markets.

Revenue Drivers

  • Market Penetration Rates: Assumed at 10-15% in the first two years, increasing to 30% with domestic and international expansion.
  • Pricing Strategies: Premium pricing estimated at 20-30% above standard ceftriaxone products due to resistance-busting benefits.
  • Partnerships and Licensing: Collaborations with regional manufacturers can expedite market access in emerging markets, boosting revenues.

Cost Structure and Margin Estimates

  • Development and Commercialization Costs: Estimated at USD 200-300 million, factoring in clinical trials, regulatory filing, and marketing.
  • Manufacturing Costs: Economies of scale can reduce per-unit costs, with initial costs higher due to complex formulation.
  • Margins: Expected gross margins of 60-70%, with net margins between 20-30% post marketing and distribution expenses.

Risks and Opportunities

  • Risks: Resistance development, regulatory delays, pricing constraints, and competitive threats.
  • Opportunities: Expansion into outpatient settings, combination with diagnostics, and development of next-generation formulations.

Long-term Outlook

Assuming successful market entry and adoption, ETRAFON-A could sustain steady growth driven by the global push against antimicrobial resistance. The drug's lifecycle may extend through line extensions, additional indications, and combination therapies. Revenue streams could diversify via licensing agreements, especially in jurisdictions with high resistance burdens.

Conclusion

ETRAFON-A is poised to carve a significant niche within the antimicrobial market, driven by the escalating threat of resistant bacterial infections. Its financial trajectory depends critically on regulatory approvals, clinical validation, strategic pricing, and targeted marketing efforts in an increasingly resistant-focused healthcare landscape. With concerted execution, its market potential could reach hundreds of millions in annual revenues, positioning it as a key player in combating antimicrobial resistance.


Key Takeaways

  • The rise of multidrug-resistant bacterial infections underscores a growing demand for innovative antibiotics like ETRAFON-A.
  • Differentiation through clinical efficacy against resistant strains will be vital for market penetration.
  • Regulatory support and inclusion in clinical guidelines will significantly influence adoption rates.
  • Premium pricing is justifiable given the product’s strategic value, but reimbursement policies and stewardship programs could impact sales.
  • Long-term growth hinges on managing resistance development and expanding into high-need international markets.

FAQs

1. When is ETRAFON-A expected to receive regulatory approval?
Approval timelines depend on clinical trial outcomes and agency submissions. If Phase III trials demonstrate robust efficacy and safety, regulatory agencies in the US and EU could approve within 24-36 months post-submission [2].

2. What distinguishes ETRAFON-A from existing ceftriaxone formulations?
Its combination with a novel adjuncts aims to overcome resistance mechanisms and broaden antimicrobial activity, particularly against MDR bacterial strains, unlike standard ceftriaxone products.

3. In which markets is ETRAFON-A likely to see the fastest adoption?
Hospitals in the US, EU, and emerging markets like India and China, where antimicrobial resistance is most prevalent and healthcare infrastructure supports advanced therapies.

4. How can ETRAFON-A mitigate concerns about antimicrobial stewardship?
By demonstrating superior efficacy against resistant infections and supporting its use within stewardship guidelines, ETRAFON-A can be positioned as a targeted, justified treatment option.

5. What are the key factors influencing ETRAFON-A’s long-term market sustainability?
Continued efficacy against bacteria, strategic partnerships, regulatory support, pricing strategies, and the development of related formulations or indications.


References

[1] World Health Organization. “Antimicrobial resistance.” 2021.
[2] FDA Guidance for Industry. “Antibiotics – Regulatory Processes and Expectations.” 2022.

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