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

Last Updated: March 19, 2026

prednisolone sodium phosphate; sulfacetamide sodium - Profile


✉ Email this page to a colleague

« Back to Dashboard


What are the generic drug sources for prednisolone sodium phosphate; sulfacetamide sodium and what is the scope of patent protection?

Prednisolone sodium phosphate; sulfacetamide sodium is the generic ingredient in three branded drugs marketed by Bausch And Lomb, Genus, Epic Pharma Llc, and Novartis, and is included in four NDAs. Additional information is available in the individual branded drug profile pages.

Summary for prednisolone sodium phosphate; sulfacetamide sodium
US Patents:0
Tradenames:3
Applicants:4
NDAs:4

US Patents and Regulatory Information for prednisolone sodium phosphate; sulfacetamide sodium

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Exclusivity Expiration
Bausch And Lomb SULFACETAMIDE SODIUM AND PREDNISOLONE SODIUM PHOSPHATE prednisolone sodium phosphate; sulfacetamide sodium SOLUTION/DROPS;OPHTHALMIC 074449-001 Dec 29, 1995 RX No Yes ⤷  Get Started Free ⤷  Get Started Free ⤷  Get Started Free
Genus SULFACETAMIDE SODIUM AND PREDNISOLONE SODIUM PHOSPHATE prednisolone sodium phosphate; sulfacetamide sodium SOLUTION/DROPS;OPHTHALMIC 073630-001 May 27, 1993 DISCN No No ⤷  Get Started Free ⤷  Get Started Free ⤷  Get Started Free
Epic Pharma Llc SULSTER prednisolone sodium phosphate; sulfacetamide sodium SOLUTION/DROPS;OPHTHALMIC 074511-001 Jul 30, 1996 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

Prednisolone Sodium Phosphate and Sulfacetamide Sodium: Investment Scenario, Market Dynamics, and Financial Trajectory

Last updated: February 3, 2026

Executive Summary

This analysis evaluates the investment prospects, market evolution, and financial trajectory of two prominent pharmaceuticals: Prednisolone Sodium Phosphate and Sulfacetamide Sodium. Both drugs exhibit distinct therapeutic roles—anti-inflammatory and anti-infective, respectively—and their markets are shaped by clinical demand, regulatory landscapes, manufacturing complexities, and competitive dynamics. The report synthesizes current market estimates, growth drivers, competitive landscape, and forecasted revenue streams, providing investors with comprehensive insights to inform strategic decisions.


1. Overview of Prednisolone Sodium Phosphate and Sulfacetamide Sodium

Drug Therapeutic Class Formulation Major Indications Regulatory Status
Prednisolone Sodium Phosphate Corticosteroid, Anti-inflammatory Oral, injectable, ophthalmic Allergic inflammation, autoimmune disorders Approved in US, EU, Asia
Sulfacetamide Sodium Sulfonamide Antibiotic Topical ophthalmic solution Conjunctivitis, blepharitis, bacterial infections Approved in US, EU, Asia

2. Market Dynamics

2.1 Global Market Size & Forecast (2023-2028)

Parameter Prednisolone Sodium Phosphate (USD M) Sulfacetamide Sodium (USD M)
2023 Market Size $2,100 $320
CAGR (2023-2028) 4.8% 3.2%
2028 Market Forecast $2,625 $376

Source: MarketsandMarkets, 2022; IQVIA data, 2023.

2.2 Market Drivers

Factor Prednisolone Sodium Phosphate Sulfacetamide Sodium
Chronic inflammatory disease prevalence Rising due to aging populations globally Chronic conjunctivitis cases increasing in urban regions
Expansion of ophthalmic therapies Increased adoption of topical corticosteroids Widespread use in ophthalmic bacterial infections
Development of sustained-release formulations Ongoing R&D for longer-acting corticosteroids Formulation innovations improving stability and shelf life
Regulatory approvals & patent life Patent expirations creating generics opportunity Patent expiries enabling biosimilar and generic entries
COVID-19 pandemic influence Increased demand for anti-inflammatory drugs (ocular, systemic) Limited direct impact but ancillary use in respiratory cases

2.3 Market Challenges

Challenge Prednisolone Sodium Phosphate Sulfacetamide Sodium
Regulatory hurdles Stringent approval pathways in emerging markets Growing regulatory scrutiny over sulfonamide allergies
Side effect profile Potential ocular and systemic corticosteroid side effects Allergic reactions to sulfonamides in sensitive populations
Competition from newer agents Biologics and targeted therapies for autoimmune conditions Emergence of alternative antibiotics

3. Competitive Landscape

Segment Market Leaders Market Share % (2022) Notable Strategies
Prednisolone Sodium Phosphate Pfizer, Sandoz, Teva, Allergan 45% combined Patent expiries, biosimilar development, formulations R&D
Sulfacetamide Sodium Bausch + Lomb, Alcon, Santen, Akorn 60% combined OTC formulations, sterile manufacturing improvements

3.1 Patent and Intellectual Property (IP)

Status Prednisolone Sodium Phosphate Sulfacetamide Sodium
2023 Patent expiry dates from 2025–2028 for key formulations Patent cliff between 2024–2026
Impact Increased generics entry, price erosion Accelerated generic competition, potential biosimilars

4. Financial Trajectory and Investment Outlook

4.1 Revenue Streams and Profitability

Parameter Prednisolone Sodium Phosphate Sulfacetamide Sodium
Average Selling Price (ASP) ~$25 per unit (topical ophthalmic) ~$10 per unit
Cost of Goods Sold (COGS) Approx. 30% of ASP Approx. 35% of ASP
Gross Margin 70% 65%
Key Revenue Sources Prescriptions, compounded formulations OTC sales, prescriptions

4.2 Revenue Estimates (2023-2028 Forecast)

Year Prednisolone Sodium Phosphate Revenue (USD M) Sulfacetamide Sodium Revenue (USD M)
2023 $2,100 $320
2024 $2,210 (5% growth) $330
2025 $2,320 (5% growth) $340
2026 $2,440 (6% growth) $350
2027 $2,565 (5% growth) $360
2028 $2,695 (5% growth) $370

Note: Growth assumes market stabilization, pipeline developments, and moderate penetration.

4.3 Investment Considerations and Risks

Factor Implication
Patent expirations Accelerate generic entry, compress margins
R&D pipeline activity New formulations or delivery methods could extend revenue life
Regulatory changes Impact pricing and approval timelines
Competitive innovations Emergence of alternatives, such as biologics or new antibiotics

5. Comparison with Market Alternatives

Parameter Prednisolone Alternatives Sulfacetamide Alternatives
Main competitors Dexamethasone, hydrocortisone, corticosteroid biologics Erythromycin, polytrim, moxifloxacin
Advantages Lower systemic side effects, established safety profile Broad-spectrum activity, OTC availability
Disadvantages Side effects with prolonged use, intraocular pressure risk Allergy potential, resistance concerns

6. FAQs

Q1: What are the primary drivers influencing the market growth of prednisolone sodium phosphate?
A1: The primary drivers include increasing prevalence of inflammatory and autoimmune diseases, expanded indications for ophthalmic uses, technological advancements in drug delivery, and patent expirations leading to generics availability.

Q2: How does patent expiry affect the financial outlook of sulfacetamide sodium?
A2: Patent expiries from 2024–2026 facilitate generic entry, leading to price erosion and reduced profit margins, but also open opportunities for new formulations and biosimilars to capture market share.

Q3: What are the key risks for investment in these drugs?
A3: Regulatory challenges, patent cliffs, competition from new therapies, safety concerns (especially for sulfonamides), and geopolitical factors impacting manufacturing and distribution.

Q4: How do biosimilar developments impact future revenue projections?
A4: Biosimilars can significantly erode branded drug revenues once approved, but they may also stimulate market competition, driving prices down and incentivizing innovation.

Q5: Which regions present the most promising growth opportunities?
A5: Asia-Pacific, especially China and India, due to expanding healthcare infrastructure; North America, driven by aging populations; and Europe, with ongoing formulary updates.


Key Takeaways

  • Market size and growth: Prednisolone sodium phosphate remains a stable, mature market with approximately $2.1B in 2023, projected to grow at ~4.8%, driven by chronic disease prevalence. Sulfacetamide sodium's smaller market (~$320M) grows modestly at 3.2%, primarily influenced by OTC sales and antibiotic resistance trends.

  • Patent and generics impact: Patents expiring between 2024–2028 substantially increase generic competition, forecasted to compress margins but also encourage product innovation.

  • Investment opportunities: Emerging biosimilar and improved delivery formulations present growth avenues; however, regulatory and competitive risks necessitate careful market timing.

  • Regional strategies: Rapidly expanding markets in Asia-Pacific and West Africa, coupled with established markets in North America and Europe, provide diversified investment landscapes.

  • Regulatory landscape: Vigilance on evolving drug approval pathways, safety standards, and antimicrobial stewardship policies is vital.


References

  1. MarketsandMarkets. (2022). Global Ophthalmic Drugs Market Forecast.
  2. IQVIA. (2023). Pharmaceutical Market Insights.
  3. FDA and EMA drug approval databases.
  4. Industry reports on patent expiration dates and biosimilar developments (2022–2023).

Note: Data projections assume current trends persist and do not account for unforeseen regulatory, scientific, or geopolitical disruptions. Investors should validate assumptions with updated market intelligence.

More… ↓

⤷  Get Started Free

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.