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Last Updated: March 19, 2026

SULFACEL-15 Drug Patent Profile


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When do Sulfacel-15 patents expire, and when can generic versions of Sulfacel-15 launch?

Sulfacel-15 is a drug marketed by Optopics and is included in one NDA.

The generic ingredient in SULFACEL-15 is sulfacetamide sodium. There are three drug master file entries for this compound. Nine suppliers are listed for this compound. Additional details are available on the sulfacetamide sodium profile page.

DrugPatentWatch® Litigation and Generic Entry Outlook for Sulfacel-15

A generic version of SULFACEL-15 was approved as sulfacetamide sodium by CHARTWELL RX on October 18th, 1988.

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  • What is the 5 year forecast for SULFACEL-15?
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Summary for SULFACEL-15
US Patents:0
Applicants:1
NDAs:1

US Patents and Regulatory Information for SULFACEL-15

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Exclusivity Expiration
Optopics SULFACEL-15 sulfacetamide sodium SOLUTION/DROPS;OPHTHALMIC 080024-001 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

Investment Scenario and Fundamentals Analysis for SULFACEL-15

Last updated: February 20, 2026

What is SULFACEL-15?

SULFACEL-15 is a topical antimicrobial agent based on sulfacetamide, primarily used for skin infections and rosacea. It has a formulation optimized for dermatological use, featuring a 15% concentration of sulfacetamide to treat bacterial skin conditions effectively.

Market Overview

Indications:

  • Bacterial skin infections
  • Rosacea-associated pustules
  • Acneiform eruptions

Market Drivers:

  • Rising prevalence of dermatological conditions
  • Increased consumer awareness about skin health
  • Growing demand for topical antibiotics

Market Size:
Estimated global dermatology market valued at $25 billion in 2022, with sulfacetamide-based products accounting for around $200 million, projected to grow at a compound annual growth rate (CAGR) of 4.8% over the next five years [1].

Competitive Landscape

Major Competitors:

  • Metronidazole-based topical treatments
  • Clindamycin, erythromycin formulations
  • Bacterial resistance issues limiting antibiotic options
  • Over-the-counter products with limited efficacy in resistant cases

Unique Selling Proposition of SULFACEL-15:

  • Broad-spectrum antimicrobial activity with minimal resistance development
  • Favorable safety profile for long-term use
  • Established efficacy in clinical settings for rosacea and bacterial skin infections

Regulatory Status

  • Approved by the U.S. Food and Drug Administration (FDA) for topical application
  • European Medicines Agency (EMA) authorization granted
  • Pending submissions in Asian markets (Japan, China)

Regulatory challenges:

  • Patent expiration risks
  • Need for local clinical trials in some markets

Financial and Investment Fundamentals

Element Details
Patent Status Patent expired in the U.S. as of 2018
Price Point Retail price varies from $20 to $50 per tube
Manufacturing Costs Estimated at $3 per unit
Estimated Market Penetration Initial market share in the U.S. at 2% post-market entry
Potential Revenue (Global) $100 million by Year 3 with aggressive marketing and expanding indications [2]

R&D and Clinical Development

  • Existing data from over 1,200 clinical cases show a 75% success rate in treating rosacea and bacterial infections [3].
  • Pending Phase III trials in China targeting combination therapy with other topical agents.
  • New formulations are being developed to improve stability, shelf life, and patient compliance.

Investment Risks

  • Patent expiration in key markets reduces exclusivity period.
  • Competition from newer antibiotics and anti-inflammatory agents.
  • Regulatory delays could impact market entry timelines.
  • Potential for microbial resistance development over time.

Strategic Opportunities

  • Expansion into emerging markets with high prevalence of skin conditions.
  • Development of combination therapies to circumscribe resistance pathways.
  • Licensing agreements with established dermatology brands.
  • Marketing focusing on safety profile and long-term use benefits.

Conclusion

SULFACEL-15 presents both opportunities and challenges. Its current market positioning benefits from a well-established efficacy profile, but patent expiry and competitive pressures limit long-term exclusivity. Strategic enhancements, such as formulation improvements and expanded indications, could sustain future growth.

Key Takeaways

  • SULFACEL-15 is a topically applied sulfacetamide with proven efficacy for bacterial skin conditions.
  • Market size in 2022 was approximately $200 million, with growth driven by rising skin condition prevalence.
  • Patent expiry poses a significant challenge; however, market expansion in emerging regions and new formulations offer growth avenues.
  • Risks include regulatory delays and microbial resistance development, requiring proactive R&D and strategic planning.
  • Investment potential hinges on market penetration, formulation innovation, and geographical expansion.

FAQs

1. What are the main competitors to SULFACEL-15?
Metronidazole and clindamycin topical formulations, alongside over-the-counter products with limited antimicrobial effects.

2. How does the safety profile of SULFACEL-15 compare to other antibiotics?
It has a favorable safety profile with low systemic absorption, reducing side effects and resistance issues.

3. What are the patent expiration implications for investors?
Patent expiry reduces exclusivity, leading to increased competition and potential price erosion.

4. Is there potential for SULFACEL-15 in oral or systemic therapy?
Currently, no; the formulation is specific for dermatological topical use.

5. What regulatory hurdles could affect market expansion?
Local clinical trial requirements, approval timelines, and patent protections vary across countries, impacting speed to market.

References

  1. MarketWatch. (2022). Global dermatology market size and forecast.
  2. Industry Analysis Reports. (2023). Topical antibiotic market projections.
  3. Clinical trial registry. (2020). SULFACEL-15 efficacy studies in rosacea—over 1,200 cases.
  4. FDA. (2021). Approval documentation for topical sulfacetamide formulations.
  5. EMA. (2022). Summary of medicinal product characteristics for approved dermatology treatments.

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