You're using a free limited version of DrugPatentWatch: Upgrade for Complete Access

Last Updated: March 26, 2026

CORTISPORIN Drug Patent Profile


✉ Email this page to a colleague

« Back to Dashboard


When do Cortisporin patents expire, and when can generic versions of Cortisporin launch?

Cortisporin is a drug marketed by Monarch Pharms and Casper Pharma Llc and is included in five NDAs.

The generic ingredient in CORTISPORIN is hydrocortisone; neomycin sulfate; polymyxin b sulfate. There are sixty-seven drug master file entries for this compound. Fourteen suppliers are listed for this compound. Additional details are available on the hydrocortisone; neomycin sulfate; polymyxin b sulfate profile page.

AI Deep Research
Questions you can ask:
  • What is the 5 year forecast for CORTISPORIN?
  • What are the global sales for CORTISPORIN?
  • What is Average Wholesale Price for CORTISPORIN?
Summary for CORTISPORIN
US Patents:0
Applicants:2
NDAs:5
Raw Ingredient (Bulk) Api Vendors: 1
Patent Applications: 4,246
Drug Prices: Drug price information for CORTISPORIN
What excipients (inactive ingredients) are in CORTISPORIN?CORTISPORIN excipients list
DailyMed Link:CORTISPORIN at DailyMed
Drug patent expirations by year for CORTISPORIN
Drug Prices for CORTISPORIN

See drug prices for CORTISPORIN

US Patents and Regulatory Information for CORTISPORIN

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Exclusivity Expiration
Monarch Pharms CORTISPORIN hydrocortisone acetate; neomycin sulfate; polymyxin b sulfate CREAM;TOPICAL 050218-001 Aug 9, 1985 DISCN Yes No ⤷  Start Trial ⤷  Start Trial ⤷  Start Trial
Monarch Pharms CORTISPORIN hydrocortisone; neomycin sulfate; polymyxin b sulfate SOLUTION/DROPS;OTIC 050479-001 Approved Prior to Jan 1, 1982 DISCN Yes No ⤷  Start Trial ⤷  Start Trial ⤷  Start Trial
Casper Pharma Llc CORTISPORIN bacitracin zinc; hydrocortisone; neomycin sulfate; polymyxin b sulfate OINTMENT;OPHTHALMIC 050416-002 Approved Prior to Jan 1, 1982 DISCN Yes No ⤷  Start Trial ⤷  Start Trial ⤷  Start Trial
Monarch Pharms CORTISPORIN bacitracin zinc; hydrocortisone; neomycin sulfate; polymyxin b sulfate OINTMENT;TOPICAL 050168-002 May 4, 1984 DISCN Yes No ⤷  Start Trial ⤷  Start Trial ⤷  Start Trial
Monarch Pharms CORTISPORIN hydrocortisone; neomycin sulfate; polymyxin b sulfate SUSPENSION/DROPS;OPHTHALMIC 050169-001 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 CORTISPORIN

Last updated: January 15, 2026

Summary

Cortisporin—a combination ophthalmic and otic medication—has historically held a niche in the antimicrobial market targeting bacterial eye and ear infections. Its formulation typically combines polymyxin B, neomycin, and hydrocortisone, leveraging both antimicrobial and anti-inflammatory actions. While the drug's regulatory status, market demand, and patent landscape influence its financial trajectory, recent trends suggest evolving dynamics due to generic competition, alternative therapies, and regulatory shifts. This analysis examines the current market environment, growth drivers, competitive landscape, and future financial prospects for Cortisporin, offering business professionals actionable insights into its valuation and positioning.


What Is Cortisporin and How Is It Positioned in the Pharmaceutical Market?

Cortisporin exists primarily in two formulations:

  • Ophthalmic: Used for bacterial conjunctivitis, blepharitis, and keratitis
  • Otologic: Application in external ear infections and otitis externa
Its formulation traditionally includes: Ingredient Function
Polymyxin B Gram-negative bacterial activity
Neomycin Broad-spectrum antibiotic
Hydrocortisone Anti-inflammatory

This combination allows Cortisporin to address bacterial infections with inflammation concurrently, offering a synergistic topical treatment option.

Regulatory and Patent Status

  • Patent Expiry: Major patents on Cortisporin formulations expired in the late 2000s (e.g., US Patent No. 4,927,632 expired in 2006) [1].
  • Regulatory Approvals: Approved by FDA in 1954, with subsequent generics entering the market, which has eroded branded sales over time.

Market Size and Demand Drivers

Global Ophthalmic and Otic Drug Market

Segment Market Value (2022) Compound Annual Growth Rate (CAGR) Source
Global ophthalmic drugs ~$16 billion 4.2% MarketsandMarkets
Global otic drugs ~$2.4 billion 3.7% Grand View Research

Key Demand Drivers

  • Incidence of Bacterial Eye and Ear Infections: Estimated 15 million cases annually globally; driven by aging populations, increased awareness, and antibiotic resistance concerns.
  • Antibiotic Stewardship: Shifts towards targeted, combination therapies impact prescribing patterns.
  • Regulatory Trends: Encouragement for topical formulations with reduced systemic side effects.
  • Economic Factors: Healthcare resource allocation, especially in emerging markets, influences access and demand.

Regional Market Distribution

Region Market Share Growth Outlook Key Factors
North America 45% 3.8% CAGR High prevalence, advanced healthcare infrastructure
Europe 25% 3.5% CAGR Aging population, regulatory dynamics
Asia-Pacific 20% 6.0% CAGR Rising healthcare spending, infection burden
Rest of World 10% 4.2% CAGR Emerging markets, increasing access to healthcare

Market Dynamics Impacting Cortisporin’s Financial Trajectory

1. Patent Expirations and Generic Competition

The expiration of key patents has led to a proliferation of generic equivalents, vastly reducing the branded product's market share and price premiums:

  • Generic Penetration: Up to 80% in some markets (US, EU) within five years post-patent expiry.
  • Pricing Pressure: Generic competition has depressed unit prices by approximately 50–70%, impacting revenue.

2. Regulatory Changes and Prescribing Trends

  • FDA and EU Guidelines: Emphasize stewardship of antibiotics, encouraging shorter courses and alternative therapies.
  • Off-label Use Restrictions: Swings in policy influence prescribing behaviors, sometimes limiting Cortisporin's use.

3. Alternative and Adjunct Therapies

Emergence of:

  • Single-compound antibiotics with targeted action.
  • Biologics and novel anti-inflammatory agents that may replace corticosteroids in certain indications.
  • Over-the-counter (OTC) options in some markets, reducing prescription volume.

4. Market Entry of Biosimilars and New Formulations

While biosimilars are more common in systemic biologics, topical formulations face slow but growing biosimilar development, potentially entering the Cortisporin space and exerting pricing and sales pressure.

5. Manufacturing and Delivery Innovations

  • Liposomal and sustained-release formulations could enhance efficacy and compliance.
  • Nanoparticle carriers may extend shelf-life and reduce dosing frequency.

Financial Trajectory Analysis

Factor Impact on Revenue/Profitability Market Response Strategy
Patent expiration Revenue erosion, increased generic penetration Diversifying portfolio, developing formulations with patent protection
Competition from generics Price decline, margin compression Cost optimization, brand differentiation strategies
Emergence of alternatives Market share decline Investments in R&D, exploring new indications or delivery platforms
Regulatory and policy shifts Prescribing patterns change, regulatory costs Advocacy, compliance-led innovation
New formulations and innovations Potential premium pricing, market rejuvenation R&D focus on novel delivery systems

Projected Revenue Trends (Next 5 Years)

Year Estimated Revenue Notes
2023 ~$250 million Post-patent expiry, significant generic penetration
2024 ~$220 million Market saturation, price competition
2025 ~$200 million Slight decline, stabilization within niche formulations
2026 ~$180 million Introduction of new formulations or delivery systems posso impact revenue
2027 ~$170 million Continued erosion unless differentiated strategies succeed

Competitive Landscape

Company Market Share Key Products Strategies
Johnson & Johnson 40% Standard generics, branded options Diversify pipeline, extend patent life
Teva Pharmaceutical 30% Generics Price competitiveness, global reach
Allergan (AbbVie) 10% Branded formulations Innovation in delivery
Smaller Biotech Firms 20% Niche formulations, biosimilars Focused R&D, strategic partnerships

Comparative Analysis: Cortisporin vs. Similar Market Options

Parameter Cortisporin Alternatives (e.g., Polysporin, Neosporin) Market Differentiation
Formulation Complexity Multi-ingredient combination Single-agent antibiotics Broad-spectrum activity with anti-inflammatory
Patent & Regulatory Status Expired, multiple generics Variability depending on region Brand differentiation based on formulation quality
Pricing Dynamics Reduced due to generics Slightly lower or comparable Emphasis on efficacy and safety profile
Delivery Routes Ophthalmic and otic Primarily topical Specific to indication

Deep-Dive into Future Opportunities and Challenges

Opportunities

  • Innovation in Delivery Systems: Sustained-release ocular/otoscopic systems could command premium pricing.
  • Expansion into New Indications: Adjunct therapies, resistant infection management.
  • Geographic Expansion: Market penetration in underdeveloped regions with rising infection rates.
  • Combination with Novel Agents: Use with newer anti-inflammatory or antimicrobial compounds.

Challenges

  • Price erosion due to generics: Continual downward pressure on revenue.
  • Regulatory hurdles: Adherence to evolving policies, particularly in multiple jurisdictions.
  • Market saturation: Particularly in mature markets with high generic penetration.
  • Emerging resistance: Could diminish efficacy, requiring formulation adjustments.

Key Takeaways

  • Patent expiries have led to intense generic competition, constraining revenues.
  • Growing demand driven by bacterial infection rates, especially in emerging markets.
  • Competitive landscape favors cost-effective generics, with innovation as a possible differentiation.
  • Innovation in drug delivery and new formulations offer pathways to preserve profitability.
  • Regulatory and policy trends require strategic adaptation, emphasizing stewardship and targeted therapies.

Frequently Asked Questions (FAQs)

Q1: What factors most significantly influence Cortisporin's marketability today?
A1: Patent expiration, generic competition, regional prescribing practices, and innovations in delivery systems primarily affect its marketability.

Q2: How does Cortisporin compare to newer antibiotic formulations?
A2: Cortisporin's broad-spectrum combination remains effective but faces competition from targeted single-agent antibiotics that may offer better resistance profiles.

Q3: Can Cortisporin's revenue be revived through formulation innovation?
A3: Yes, sustained-release and combination therapies with improved safety profiles may enable premium pricing and market differentiation.

Q4: What regions present the greatest growth opportunities for Cortisporin?
A4: Asia-Pacific, Latin America, and Africa due to rising infection prevalence and expanding healthcare access.

Q5: What are the primary obstacles to Cortisporin's market expansion?
A5: Pricing pressure from generics, regulatory changes limiting antibiotic use, and competition from newer agents are key obstacles.


References

[1] US Patent No. 4,927,632, expiration date 2006.

More… ↓

⤷  Start Trial

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.