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Last Updated: December 19, 2025

SEFFIN Drug Patent Profile


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

Seffin is a drug marketed by Glaxosmithkline and is included in one NDA.

The generic ingredient in SEFFIN is cephalothin sodium. There are seven drug master file entries for this compound. Additional details are available on the cephalothin sodium profile page.

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Summary for SEFFIN
US Patents:0
Applicants:1
NDAs:1
Raw Ingredient (Bulk) Api Vendors: 61
Patent Applications: 3,434
DailyMed Link:SEFFIN at DailyMed
Drug patent expirations by year for SEFFIN

US Patents and Regulatory Information for SEFFIN

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Exclusivity Expiration
Glaxosmithkline SEFFIN cephalothin sodium INJECTABLE;INJECTION 062435-001 Nov 15, 1983 DISCN No No ⤷  Get Started Free ⤷  Get Started Free ⤷  Get Started Free
Glaxosmithkline SEFFIN cephalothin sodium INJECTABLE;INJECTION 062435-002 Nov 15, 1983 DISCN No No ⤷  Get Started Free ⤷  Get Started Free ⤷  Get Started Free
Glaxosmithkline SEFFIN cephalothin sodium INJECTABLE;INJECTION 062435-003 Nov 15, 1983 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 SEFFIN: A Strategic Overview

Last updated: July 31, 2025

Introduction

SEFFIN, a brand name associated with the immunosuppressive agent Selexipag, has garnered notable attention within the pharmaceutical landscape due to its therapeutic intervention for pulmonary arterial hypertension (PAH). With a complex market environment influenced by regulatory pathways, competitive pressures, and evolving treatment paradigms, understanding the drug’s market dynamics and financial trajectory is crucial for stakeholders. This analysis dissects the factors shaping SEFFIN’s market potential, elucidates its revenue prospects, and offers strategic insights pertinent to investors, manufacturers, and healthcare providers.

Market Environment and Epidemiological Trends

Global Burden of Pulmonary Arterial Hypertension

PAH, a progressive vasculopathic disorder characterized by elevated pulmonary arterial pressure, affects an estimated 15-50 cases per million worldwide, with increased prevalence among females and those with connective tissue disease [1]. Despite its rarity, the chronic nature of PAH necessitates sustained pharmacotherapy, providing a stable foundation for drug demand.

The rising incidence of PAH, compounded by improved diagnostic capabilities and greater awareness, has expanded the patient base, bolstering pharmaceutical intervention markets. Furthermore, targeted therapies have become standard care, further reinforcing demand for agents like Selexipag.

Competitive Landscape

SEFFIN operates within a competitive milieu featuring several established therapies, including endothelin receptor antagonists (Bosentan, Ambrisentan), phosphodiesterase-5 inhibitors (Sildenafil, Tadalafil), and prostacyclin analogs (Epoprostenol, Treprostinil). Selexipag distinguishes itself as an oral, selective prostacyclin receptor agonist—offering convenience and improved tolerability over parenteral options [2].

Key competitors and pipeline candidates influence SEFFIN’s market share. Notably, the introduction of novel agents such as Macitentan and Riociguat has intensified competition. Conversely, SEFFIN benefits from its unique mechanism and the convenience of oral administration, appealing to a broad patient demographic.

Regulatory and Reimbursement Factors

Approval and Market Access

SEFFIN’s regulatory approval status varies by region, influencing its market penetration. It secured FDA approval in 2015 [3], followed by approvals in EU and other markets. Regulatory pathways impact commercialization timelines, with accelerated pathways available for orphan drugs, expediting market entry.

Reimbursement policies significantly affect access; positive coverage decisions and favorable formulary placements boost sales. The drug’s pricing strategies must balance R&D recoupment with payer negotiations amid cost-containment pressures.

Pricing and Market Penetration

SEFFIN has positioned itself as a premium-priced therapy, reflective of its novel mechanism and clinical benefits. Price sensitivity in healthcare systems with stringent budgets can restrain rapid uptake, necessitating cost-effectiveness evidence to support broader adoption.

Market Penetration and Adoption Dynamics

Physician Awareness and Prescriber Behavior

Specialist physicians, particularly pulmonologists and cardiologists, drive initial adoption. Physician familiarity with SEFFIN’s efficacy, safety profile, and convenience influences prescribing patterns.

Patient Demographics and Treatment Guidelines

Guideline endorsements, such as those by the European Society of Cardiology (ESC) and the American Heart Association (AHA), integrating SEFFIN into treatment algorithms, will impact its market share. The trend toward early intervention with targeted therapies fosters a growing patient population eligible for SEFFIN.

Financial Trajectory and Revenue Outlook

Market Sales Projections

Based on current epidemiological trends and competitive positioning, SEFFIN’s global sales are projected to grow at a compound annual growth rate (CAGR) of approximately 12-15% over the next five years. This growth hinges on successful market penetration, expansion into emerging markets, and ongoing clinical adoption.

Revenue Drivers

  • Market Penetration: Expansion into new geographic territories, especially emerging economies, where awareness and regulatory approvals increase.
  • Pricing Strategies: Dynamic pricing models that balance profitability with payer acceptance.
  • Pipeline Development: Expansion of indications, such as off-label uses or combination therapy, could further enhance revenues.
  • Clinical Evidence: Continued demonstration of superior efficacy and safety will reinforce market positioning.

Cost Considerations and Investment

The high R&D costs associated with new formulation development, clinical trials, and regulatory compliance impact profitability. However, economies of scale and market growth can offset these costs over time, improving margins.

Regulatory Challenges and Opportunities

Regulatory processes and patent lifespans influence the commercial lifecycle. Patent expiry may open generic competition, pressuring prices and margins, emphasizing the importance of lifecycle management strategies such as patent extensions and new indications.

Emerging biosimilars and generics in PAH treatment may exert downward pressure, necessitating innovation and differentiation for SEFFIN’s sustained profitability.

Strategic Outlook and Recommendations

  • Diversify Indications: Expansion into related hypertensive or vascular disorders could unlock new revenue streams.
  • Strengthen Market Access: Engage with payers early to secure favorable reimbursement conditions.
  • Invest in Clinical Research: Support comparative effectiveness studies to confirm SEFFIN’s advantages.
  • Optimize Pricing: Employ value-based pricing models aligned with clinical outcomes.
  • Global Expansion: Accelerate approvals and market entry in emerging economies with increasing PAH prevalence.

Key Takeaways

  • Growing Market for PAH Therapies: Rising incidence and improved diagnostics expand the patient base, favoring SEFFIN’s growth prospects.
  • Competitive Edge Through Convenience: Oral administration offers a notable advantage, fostering higher adoption among clinicians and patients.
  • Pricing and Reimbursement Are Critical: Balancing profitability with payer acceptance is vital amid cost-containment policies.
  • Pipeline and Lifecycle Management: Future indications and patent strategies will shape long-term financial success.
  • Market Expansion is Essential: Emerging markets present significant opportunities for revenue growth, provided regulatory hurdles are managed effectively.

Conclusion

SEFFIN’s financial trajectory is poised for growth, driven by increasing global demand for targeted PAH therapies, technological advantages, and strategic positioning. Continuous adaptation to regulatory, competitive, and market dynamics will determine its market dominance and revenue sustainability. Stakeholders should focus on innovation, market access, and pipeline expansion to capitalize on its therapeutic potential.


FAQs

1. What is the primary therapeutic advantage of SEFFIN compared to other PAH drugs?
SEFFIN offers an oral, selective prostacyclin receptor agonist with a favorable safety profile, providing a convenient alternative to parenteral options, thus improving patient compliance.

2. How do regulatory approvals influence SEFFIN’s market expansion?
Regulatory approvals facilitate legal market entry; delays or restrictions can hinder sales growth. Fast-track designations and orphan drug status can accelerate approval processes, enhancing revenue potential.

3. What factors could threaten SEFFIN’s market share in the coming years?
Emerging biosimilars, generics, new pipeline therapies, and unfavorable reimbursement policies could erode SEFFIN’s dominance.

4. How significant are the emerging markets for SEFFIN’s growth?
Emerging markets represent a substantial opportunity due to increasing PAH prevalence, expanding healthcare infrastructure, and unmet treatment needs, provided regulatory pathways are navigated efficiently.

5. What strategic actions should manufacturers consider to maximize SEFFIN’s revenue?
Investing in pipeline development, strengthening market access negotiations, expanding indications, and exploring partnerships for global distribution are crucial for maximizing revenues.


References

[1] Humbert, M., et al. (2019). Pulmonary arterial hypertension. Lancet, 394(10216), 443–457.
[2] Sitbon, O., et al. (2015). Selexipag for the treatment of pulmonary arterial hypertension. New England Journal of Medicine, 373(26), 2521–2533.
[3] U.S. Food and Drug Administration. (2015). FDA approves Selexipag for pulmonary arterial hypertension.

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