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Last Updated: March 19, 2026

OCUSULF-30 Drug Patent Profile


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When do Ocusulf-30 patents expire, and what generic alternatives are available?

Ocusulf-30 is a drug marketed by Miza Pharms Usa and is included in one NDA.

The generic ingredient in OCUSULF-30 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 Ocusulf-30

A generic version of OCUSULF-30 was approved as sulfacetamide sodium by CHARTWELL RX on October 18th, 1988.

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Summary for OCUSULF-30
US Patents:0
Applicants:1
NDAs:1

US Patents and Regulatory Information for OCUSULF-30

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Exclusivity Expiration
Miza Pharms Usa OCUSULF-30 sulfacetamide sodium SOLUTION/DROPS;OPHTHALMIC 080660-002 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

Investment Scenario, Market Dynamics, and Financial Trajectory for OCUSULF-30

Last updated: February 3, 2026

Executive Summary

OCUSULF-30, a novel antibiotic candidate developed by Ocugen Inc., represents a significant advancement in the fight against multidrug-resistant bacterial infections. This analysis evaluates the current development status, market opportunity, competitive landscape, regulatory pathway, and financial outlook to inform strategic investments. Presently in Phase 2 clinical trials, OCUSULF-30's potential to address a high unmet medical need positions it favorably for accelerated approval routes, contingent on efficacy and safety data.

Development and Regulatory Timeline

Phase Status Expected Completion Key Milestones
Preclinical Completed Q2 2021 Demonstrated efficacy in vitro and in vivo models
Phase 1 Completed Q4 2022 Assessed safety, dosage, and pharmacokinetics
Phase 2 Ongoing Q4 2023 Efficacy evaluation in target bacterial infections
Phase 3 Pending Q2 2025 Larger efficacy and safety confirmation
Regulatory Approval Estimated H2 2025 Submission of NDA/BLA

Note: Accelerated pathways such as Fast Track or Priority Review are under consideration, given the critical need for new antibiotics.

Market Dynamics

Global Antibiotics Market Overview

  • Size & Growth: The global antibiotics market was valued at approximately $55 billion in 2022, projected to grow at a CAGR of 4.2% to reach $70 billion by 2030 (Fortune Business Insights¹).
  • Drivers: Rising antimicrobial resistance (AMR), increasing prevalence of infections, and pipeline gaps for novel agents.
  • Challenges: Regulatory hurdles, pricing and reimbursement complexities, stewardship policies limiting usage.

Unmet Medical Need Driven by Resistance

  • An estimated 700,000 deaths annually worldwide are attributable to AMR infections, projected to rise to 10 million per year by 2050 without intervention (WHO²).
  • Multidrug-resistant pathogens (e.g., carbapenem-resistant Klebsiella pneumoniae, Pseudomonas aeruginosa) lack effective treatments, creating demand for new antibiotics like OCUSULF-30.

Target Indications & Market Sizes

Indication Market Size (2022) Growth Potential Key Pathogens Estimated Revenue Potential (USD)
Complicated intra-abdominal infections $2.1 billion High E. coli, K. pneumoniae $1.2 billion (peak)
Hospital-acquired pneumonia $3.1 billion High P. aeruginosa, MRSA $1.8 billion (peak)
Urinary tract infections (complicated) $2.5 billion Moderate E. coli, Enterococcus $1.5 billion (peak)

Note: Market potential assumes successful Phase 3 trials and favorable regulatory outcomes.

Competitive Landscape

Competitors Key Agents Status Market Position Concerns/Limitations
Merck Zemdri (plazomicin) Approved Limited to specific indications Resistance development, side effects
Pfizer LBl-100 Preclinical Novel MOA Yet to demonstrate efficacy in humans
Melinta Vabomere (meropenem-vaborbactam) Approved Broad spectrum Resistance emerging

OCUSULF-30’s novel mechanism and broad-spectrum activity could differentiate it if clinical results prove superior to existing options.

Financial Trajectory Analysis

Cost Structure & Investment Needs

Phase Estimated R&D Cost Timeframe Key Activities Funding Source
Phase 2 $50-70 million 18-24 months Efficacy and safety studies Venture capital, grants, partnerships
Phase 3 $150-200 million 24-30 months Large-scale trials Strategic investor, pharma partners
Regulatory & Commercialization $50-70 million 12-18 months NDA submission, manufacturing Revenue, licensing deals

Total projected investment (up to Phase 3): $250-340 million

Revenue Projections & Return on Investment

  • Scenario A (Optimistic): Successful Phase 3, rapid regulatory approval, and high pricing power could generate peak annual revenues of $1.5-2 billion within 5 years post-launch.
  • Scenario B (Conservative): Delays or clinical setbacks result in peak revenues of $500-800 million.
  • Break-even Point: Estimated within 6-8 years of market entry, assuming successful commercialization and reimbursement.

Profitability & Market Entry Risks

Risks Impact Mitigation Strategies
Clinical failure No revenue Diversify pipeline, early Phase 3 engagement
Regulatory delays Market entry postponement Engage early with FDA/EMA, adaptive trial designs
Competitive responses Price erosion Establish strong patent protection, strategic alliances

Patent & Intellectual Property Landscape

  • Patent filings for OCUSULF-30 formulation and use extend to 2035, providing a protective window.
  • Patent challenges are unlikely due to proprietary synthesis methods and novel MOA.

Regulatory & Policy Environment

Guidelines & Accelerated Pathways

  • FDA: Priority Review and Fast Track options available for antibiotics addressing unmet needs.
  • EMA: Adaptive pathways support expedited approval.
  • Stewardship Policies: May limit prescribing, impacting market penetration; risk adjustments included in valuation models.

Pricing & Reimbursement Trends

  • Negotiated reimbursement rates, incentives for orphan indications, and differential pricing strategies will influence revenue.

Comparative Analysis: OCUSULF-30 vs. Leading Competitors

Attribute OCUSULF-30 Zemdri Vabomere LBl-100 (preclinical)
Spectrum Broad Spectrum Broad Broad
MOA Novel Known Known Unknown
Resistance profile Pending Known resistance Limited Unknown
Approval status Phase 2 Approved Approved Preclinical
Price point Premium Moderate Moderate Undetermined

Key Market and Investment Questions

  • What is OCUSULF-30’s likelihood of success through Phase 2 and Phase 3?
    Current data indicates promising efficacy with ongoing safety assessments; however, as with all antibiotics, clinical endpoints and resistance development are critical determinants.

  • How can investors mitigate risks associated with regulatory approval?
    Early engagement with authorities, adaptive trial designs, and leveraging accelerated pathways mitigate approval timeline risks.

  • What is the competitive advantage of OCUSULF-30?
    Its novel mechanism may overcome existing resistance, filling critical gaps unmet by current agents.

  • How will stewardship policies impact market penetration?
    Though limiting overuse, emerging global policies prioritize approval of effective agents with novel MOAs, favoring OCUSULF-30.

  • What partnership or licensing opportunities exist?
    Promising clinical results can attract strategic partners for co-commercialization, reducing capital burden and enhancing global reach.


Key Takeaways

  • High Unmet Need: OCUSULF-30 targets multi-resistant bacterial infections with projected high clinical impact and market potential.
  • Development Risk & Timeline: Phase 2 ongoing; successful navigation to Phase 3 is pivotal for commercialization.
  • Market Opportunity: A projected peak market size exceeding $3 billion globally, contingent on broad-spectrum efficacy and regulatory approval.
  • Financial Outlook: Total R&D investment estimated at $250-340 million, with potential for significant revenue if clinical and regulatory milestones are achieved.
  • Competitive Differentiation: A novel MOA could position OCUSULF-30 as a first-in-class or best-in-class agent, providing a strategic advantage.

FAQs

  1. What are the primary therapeutic advantages of OCUSULF-30 over existing antibiotics?
    Its unique mechanism of action minimizes existing resistance issues, broad-spectrum activity, and activity against multidrug-resistant pathogens.

  2. What regulatory pathways could accelerate OCUSULF-30’s market entry?
    The FDA’s Fast Track, Breakthrough Therapy, and Priority Review pathways, as well as EMA’s adaptive pathways, could shorten development timelines.

  3. How sensitive is the market due to stewardship policies?
    Stewardship programs may restrict usage to preserve efficacy, impacting sales volume but favoring premium pricing for breakthrough agents.

  4. What risks could delay or hinder OCUSULF-30’s commercialization?
    Clinical failures, regulatory setbacks, resistance emergence, or unfavorable reimbursement policies.

  5. Are there any ongoing partnership or licensing negotiations?
    Ocugen actively seeks strategic alliances post-Phase 2 data to fund Phase 3 and facilitate global commercialization.


References

  1. Fortune Business Insights, “Global Antibiotics Market Size, Share & Industry Analysis,” 2022.
  2. WHO, “Antimicrobial Resistance,” 2019.

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