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Last Updated: March 26, 2026

CHLORAMPHENICOL; PREDNISOLONE - Generic Drug Details


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What are the generic sources for chloramphenicol; prednisolone and what is the scope of freedom to operate?

Chloramphenicol; prednisolone is the generic ingredient in one branded drug marketed by Allergan and is included in one NDA. Additional information is available in the individual branded drug profile pages.

Summary for CHLORAMPHENICOL; PREDNISOLONE
US Patents:0
Tradenames:1
Applicants:1
NDAs:1
Clinical Trials: 1
DailyMed Link:CHLORAMPHENICOL; PREDNISOLONE at DailyMed
Recent Clinical Trials for CHLORAMPHENICOL; PREDNISOLONE

Identify potential brand extensions & 505(b)(2) entrants

SponsorPhase
Federal University of São PauloPhase 4
Fundação de Amparo à Pesquisa do Estado de São PauloPhase 4

See all CHLORAMPHENICOL; PREDNISOLONE clinical trials

Anatomical Therapeutic Chemical (ATC) Classes for CHLORAMPHENICOL; PREDNISOLONE
A01AC Corticosteroids for local oral treatment
A01A STOMATOLOGICAL PREPARATIONS
A01 STOMATOLOGICAL PREPARATIONS
A Alimentary tract and metabolism
A07EA Corticosteroids acting locally
A07E INTESTINAL ANTIINFLAMMATORY AGENTS
A07 ANTIDIARRHEALS, INTESTINAL ANTIINFLAMMATORY/ANTIINFECTIVE AGENTS
A Alimentary tract and metabolism
C05AA Corticosteroids
C05A AGENTS FOR TREATMENT OF HEMORRHOIDS AND ANAL FISSURES FOR TOPICAL USE
C05 VASOPROTECTIVES
C Cardiovascular system
D06AX Other antibiotics for topical use
D06A ANTIBIOTICS FOR TOPICAL USE
D06 ANTIBIOTICS AND CHEMOTHERAPEUTICS FOR DERMATOLOGICAL USE
D Dermatologicals
D07AA Corticosteroids, weak (group I)
D07A CORTICOSTEROIDS, PLAIN
D07 CORTICOSTEROIDS, DERMATOLOGICAL PREPARATIONS
D Dermatologicals
D07XA Corticosteroids, weak, other combinations
D07X CORTICOSTEROIDS, OTHER COMBINATIONS
D07 CORTICOSTEROIDS, DERMATOLOGICAL PREPARATIONS
D Dermatologicals
D10AF Antiinfectives for treatment of acne
D10A ANTI-ACNE PREPARATIONS FOR TOPICAL USE
D10 ANTI-ACNE PREPARATIONS
D Dermatologicals
G01AA Antibiotics
G01A ANTIINFECTIVES AND ANTISEPTICS, EXCL. COMBINATIONS WITH CORTICOSTEROIDS
G01 GYNECOLOGICAL ANTIINFECTIVES AND ANTISEPTICS
G Genito-urinary system and sex hormones
H02AB Glucocorticoids
H02A CORTICOSTEROIDS FOR SYSTEMIC USE, PLAIN
H02 CORTICOSTEROIDS FOR SYSTEMIC USE
H Systemic hormonal preparations, excluding sex hormones and insulins
J01BA Amphenicols
J01B AMPHENICOLS
J01 ANTIBACTERIALS FOR SYSTEMIC USE
J Antiinfectives for systemic use
R01AD Corticosteroids
R01A DECONGESTANTS AND OTHER NASAL PREPARATIONS FOR TOPICAL USE
R01 NASAL PREPARATIONS
R Respiratory system
S01AA Antibiotics
S01A ANTIINFECTIVES
S01 OPHTHALMOLOGICALS
S Sensory organs
S01BA Corticosteroids, plain
S01B ANTIINFLAMMATORY AGENTS
S01 OPHTHALMOLOGICALS
S Sensory organs
S01CB Corticosteroids/antiinfectives/mydriatics in combination
S01C ANTIINFLAMMATORY AGENTS AND ANTIINFECTIVES IN COMBINATION
S01 OPHTHALMOLOGICALS
S Sensory organs
S02AA Antiinfectives
S02A ANTIINFECTIVES
S02 OTOLOGICALS
S Sensory organs
S02BA Corticosteroids
S02B CORTICOSTEROIDS
S02 OTOLOGICALS
S Sensory organs
S03AA Antiinfectives
S03A ANTIINFECTIVES
S03 OPHTHALMOLOGICAL AND OTOLOGICAL PREPARATIONS
S Sensory organs
S03BA Corticosteroids
S03B CORTICOSTEROIDS
S03 OPHTHALMOLOGICAL AND OTOLOGICAL PREPARATIONS
S Sensory organs

US Patents and Regulatory Information for CHLORAMPHENICOL; PREDNISOLONE

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Exclusivity Expiration
Allergan CHLOROPTIC-P S.O.P. chloramphenicol; prednisolone OINTMENT;OPHTHALMIC 061188-001 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

Chloramphenicol; Prednisolone Market Dynamics and Financial Trajectory

Last updated: February 17, 2026

This report analyzes the market dynamics and financial trajectory of the pharmaceutical combination drug Chloramphenicol; Prednisolone. The analysis focuses on patent landscape, regulatory status, sales performance, and key market drivers impacting its commercial viability.

What is Chloramphenicol; Prednisolone?

Chloramphenicol; Prednisolone is a fixed-dose combination drug comprising an antibiotic, chloramphenicol, and a corticosteroid, prednisolone. Chloramphenicol is a broad-spectrum antibiotic effective against a range of gram-positive and gram-negative bacteria. Prednisolone is a glucocorticoid with potent anti-inflammatory, immunosuppressive, and anti-allergic properties. This combination is primarily utilized for its dual action in treating inflammatory conditions that are complicated by or at risk of bacterial infection, particularly in ophthalmic and otic applications.

Mechanism of Action

Chloramphenicol exerts its antibacterial effect by inhibiting bacterial protein synthesis. It binds reversibly to the 50S subunit of bacterial ribosomes, preventing peptidyl transferase from forming peptide bonds. Prednisolone acts by binding to intracellular glucocorticoid receptors, which then translocate to the nucleus and modulate gene expression. This leads to decreased production of inflammatory mediators such as prostaglandins, leukotrienes, and cytokines, thereby reducing inflammation, swelling, and pain [1].

Therapeutic Indications

The primary therapeutic indications for Chloramphenicol; Prednisolone are inflammatory conditions of the eye and ear where bacterial infection is present or suspected. This includes:

  • Ophthalmic Use: Bacterial conjunctivitis, keratitis, blepharitis, and other ocular infections where inflammation is a significant component. It is used to reduce inflammation and combat associated bacterial pathogens.
  • Otic Use: Bacterial infections of the ear canal, such as otitis externa, when accompanied by inflammation.

Patent Landscape and Exclusivity

The patent landscape for Chloramphenicol; Prednisolone as a fixed-dose combination is largely characterized by expired patents for the individual active pharmaceutical ingredients (APIs) and older patents related to specific formulations or delivery methods.

Key Patent Expirations

Chloramphenicol was first synthesized in the 1940s, and its basic patents expired decades ago. Prednisolone, a synthetic corticosteroid, was developed in the 1950s, with its foundational patents also long expired. Consequently, the intellectual property surrounding the fundamental chemical entities is no longer a barrier to generic entry.

  • Chloramphenicol: Basic synthesis and composition of matter patents expired in the mid-20th century.
  • Prednisolone: Similar to chloramphenicol, patents covering prednisolone itself have expired.

Combination Patents and Formulations

Patents related to specific fixed-dose combination formulations, unique delivery systems (e.g., sustained-release eye drops), or novel manufacturing processes may have existed or still exist. However, these are typically narrower in scope and often expire sooner than composition of matter patents.

  • Formulation Patents: Patents might cover specific ratios of chloramphenicol to prednisolone, excipients used to enhance stability or efficacy, or methods of preparing the combination for specific routes of administration.
  • Delivery System Patents: Innovations in ophthalmic or otic delivery, such as nanoparticle formulations or specialized applicators, could have been patented.

As of the latest available data, there are no significant patents expiring in the near future that would create a new period of market exclusivity for a novel Chloramphenicol; Prednisolone product. This suggests a market primarily driven by generic competition.

Regulatory Status and Market Approval

The regulatory status of Chloramphenicol; Prednisolone is established in major pharmaceutical markets, with approvals typically granted for its use as an anti-infective and anti-inflammatory agent.

United States (FDA)

The U.S. Food and Drug Administration (FDA) has approved various formulations of Chloramphenicol; Prednisolone for ophthalmic and otic use. These are often available as prescription medications. The approval process for such combinations generally relies on demonstrating bioequivalence to reference listed drugs (RLDs) or providing substantial evidence of safety and efficacy for the specific indication.

  • Approved Indications: Bacterial conjunctivitis, blepharitis, keratitis, and otitis externa with inflammatory components.
  • Dosage Forms: Commonly available as ophthalmic suspensions and solutions, and otic solutions.

European Union (EMA)

The European Medicines Agency (EMA) and national regulatory bodies within the EU have also approved Chloramphenicol; Prednisolone products. Marketing authorizations are granted based on scientific assessment of quality, safety, and efficacy.

  • Regulatory Pathway: Centralized, decentralized, or national authorization procedures may apply depending on the product and the applicant.
  • Availability: Prescription-only status is standard.

Other Markets

Approvals in other global markets, including Canada, Australia, and various Asian and Latin American countries, typically follow similar regulatory frameworks, requiring demonstration of quality, safety, and efficacy.

Market Size and Sales Performance

The market for Chloramphenicol; Prednisolone is characterized by a mature product lifecycle, dominated by generic manufacturers. Precise, up-to-date global sales figures for this specific combination are challenging to isolate due to its availability from numerous generic suppliers and its inclusion within broader therapeutic categories.

Estimated Market Value

Industry reports suggest the global ophthalmic anti-infectives market is valued in the billions of dollars, with otic anti-infectives contributing a smaller but significant portion. Chloramphenicol; Prednisolone, as a component of this market, likely accounts for a segment valued in the tens to low hundreds of millions of dollars globally. This figure fluctuates based on regional pricing, prescription volumes, and the competitive landscape.

Sales Drivers and Constraints

  • Drivers:
    • Established Efficacy: The combination has a long history of clinical use and proven efficacy in treating common inflammatory and bacterial conditions.
    • Affordability: As a generic product, it offers a cost-effective treatment option, particularly in price-sensitive markets.
    • Broad Spectrum Antibiotic: Chloramphenicol's activity against a wide range of bacteria is a key advantage.
    • Anti-inflammatory Action: Prednisolone effectively manages associated inflammation, improving patient comfort and facilitating healing.
  • Constraints:
    • Generic Competition: The absence of patent protection allows numerous generic manufacturers to compete, driving down prices and profit margins.
    • Adverse Event Profile: Chloramphenicol carries a risk of serious adverse effects, including aplastic anemia, although this is rare with topical administration. Prednisolone can cause local side effects like increased intraocular pressure or delayed wound healing.
    • Emergence of New Antibiotics/Steroids: Newer, potentially more targeted or safer agents may gain preference in certain clinical scenarios.
    • Regulatory Scrutiny: Concerns regarding antibiotic resistance and the long-term use of steroids can lead to more judicious prescribing.

Performance by Region

  • Developed Markets (e.g., North America, Western Europe): Sales in these regions are stable but may show slow growth. Prescription volume is influenced by physician prescribing habits, formulary inclusions, and competition from branded generics and newer alternatives. Pricing is generally higher but subject to stringent reimbursement policies.
  • Emerging Markets (e.g., Asia-Pacific, Latin America, Africa): These markets often represent significant volume growth due to larger populations, increasing healthcare access, and a greater reliance on cost-effective generic medications. Chloramphenicol; Prednisolone remains a frontline treatment in many of these areas.

Competitive Landscape

The competitive landscape for Chloramphenicol; Prednisolone is highly fragmented, dominated by generic pharmaceutical companies. There are few, if any, branded versions with significant market share, except perhaps in specific niche formulations or regions.

Major Generic Manufacturers

Numerous companies globally manufacture and market generic Chloramphenicol; Prednisolone. Key players often include:

  • India-based Manufacturers: Companies such as Sun Pharmaceutical Industries, Dr. Reddy's Laboratories, Cipla, and Lupin are significant suppliers of generics to global markets.
  • Other Global Generic Companies: Manufacturers from Europe, North America, and other parts of Asia also contribute to the supply chain.

Product Differentiation

Differentiation in this market is primarily achieved through:

  • Formulation Quality: Consistency in API quality, particle size, pH, and sterility.
  • Packaging: User-friendly dropper bottles, tamper-evident seals.
  • Pricing: Aggressive pricing strategies to capture market share.
  • Distribution Networks: Strong relationships with wholesalers, pharmacies, and healthcare providers.
  • Regulatory Compliance: Maintaining high standards of Good Manufacturing Practice (GMP) and compliance with regional regulatory requirements.

Financial Trajectory and Outlook

The financial trajectory of Chloramphenicol; Prednisolone is projected to remain stable to slightly declining in value, with potential for volume growth in specific emerging markets.

Revenue Generation

Revenue is predominantly generated through sales of generic formulations. The high volume of prescriptions, particularly in regions where it is a cost-effective standard of care, sustains sales. However, downward price pressure due to intense competition limits overall revenue growth.

  • Average Selling Price (ASP): ASPs are generally low and continue to decline due to generic erosion.
  • Volume Trends: While ASPs may decline, prescription volumes can remain stable or increase in certain markets, offsetting some of the revenue loss.

Profitability

Profitability for manufacturers is highly dependent on efficient manufacturing processes, supply chain management, and economies of scale.

  • Margin Pressures: Tight margins are typical for generic products. Companies with lower cost of goods sold (COGS) and efficient operational structures are more profitable.
  • R&D Investment: Minimal R&D investment is expected for the basic combination. Investment is likely focused on formulation improvements or bioequivalence studies for new markets.

Future Outlook

The future outlook for Chloramphenicol; Prednisolone is one of continued presence as a cost-effective treatment option.

  • Sustained Demand: Demand is expected to persist, especially in resource-limited settings where affordability is paramount.
  • Competition Intensification: The market will likely remain highly competitive, with ongoing price erosion.
  • Limited Innovation: Significant new product launches or therapeutic advancements involving this specific combination are unlikely. The focus will remain on maintaining supply and cost competitiveness.
  • Emerging Market Growth: As healthcare infrastructure improves and access to medicines expands in emerging economies, the volume of Chloramphenicol; Prednisolone prescribed may see modest growth.

Key Takeaways

  • Chloramphenicol; Prednisolone is a mature generic combination drug used for inflammatory and bacterial eye and ear infections.
  • Fundamental patents for both active ingredients have expired, leading to a highly competitive generic market.
  • Regulatory approvals are established in major global markets, primarily for ophthalmic and otic suspensions/solutions.
  • The market size is a segment within the broader anti-infective and anti-inflammatory therapeutic areas, with sales driven by affordability and established efficacy, but constrained by generic competition and potential adverse effects.
  • Key manufacturers are primarily generic pharmaceutical companies with efficient production and distribution capabilities.
  • The financial trajectory is characterized by low average selling prices, stable to declining revenue value, and profitability dependent on cost management.
  • Future outlook indicates continued demand as a cost-effective option, particularly in emerging markets, with ongoing price pressures and limited potential for significant innovation.

Frequently Asked Questions

  1. What is the primary advantage of using Chloramphenicol; Prednisolone over individual components? The primary advantage is its combined anti-infective and anti-inflammatory action in a single formulation, simplifying treatment regimens for conditions requiring both.

  2. Are there any significant new patents expected for Chloramphenicol; Prednisolone that could alter market exclusivity? No, the foundational patents for chloramphenicol and prednisolone have expired, and no significant new patents for novel formulations or delivery systems are anticipated to grant extended market exclusivity.

  3. What are the main safety concerns associated with Chloramphenicol; Prednisolone? For chloramphenicol, the rare but serious risk of bone marrow suppression (aplastic anemia) is a concern, though less so with topical use. Prednisolone can cause local ocular side effects such as increased intraocular pressure, glaucoma, cataracts, and delayed wound healing.

  4. How does the pricing of Chloramphenicol; Prednisolone compare to newer combination therapies? Chloramphenicol; Prednisolone, being a generic product, is significantly more affordable than newer, branded combination therapies which often incorporate more advanced antibiotics or steroids with improved safety profiles or broader spectrums of activity.

  5. Which geographic regions are expected to drive future demand for Chloramphenicol; Prednisolone? Emerging markets in Asia-Pacific, Latin America, and Africa are projected to drive future demand due to their reliance on cost-effective medications and expanding healthcare access.

Citations

[1] Hardman, J. G., Limbird, L. E., & Gilman, A. G. (Eds.). (2001). Goodman & Gilman's The Pharmacological Basis of Therapeutics (10th ed.). McGraw-Hill.

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