Last Updated: June 24, 2026

CHLOROMYCETIN HYDROCORTISONE Drug Patent Profile


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Which patents cover Chloromycetin Hydrocortisone, and when can generic versions of Chloromycetin Hydrocortisone launch?

Chloromycetin Hydrocortisone is a drug marketed by Parkedale and is included in one NDA.

The generic ingredient in CHLOROMYCETIN HYDROCORTISONE is chloramphenicol; hydrocortisone acetate. There are fourteen drug master file entries for this compound. Additional details are available on the chloramphenicol; hydrocortisone acetate profile page.

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Summary for CHLOROMYCETIN HYDROCORTISONE
US Patents:0
Applicants:1
NDAs:1
Raw Ingredient (Bulk) Api Vendors: 47
DailyMed Link:CHLOROMYCETIN HYDROCORTISONE at DailyMed

US Patents and Regulatory Information for CHLOROMYCETIN HYDROCORTISONE

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Exclusivity Expiration
Parkedale CHLOROMYCETIN HYDROCORTISONE chloramphenicol; hydrocortisone acetate FOR SUSPENSION;OPHTHALMIC 050202-001 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 Chloromycetin Hydrocortisone

Last updated: April 4, 2026

What is the current status of Chloromycetin Hydrocortisone in the pharmaceutical market?

Chloromycetin Hydrocortisone is a combination drug that integrates chloramphenicol, an antibiotic, with hydrocortisone, a corticosteroid. Its primary applications are in treating inflammatory and infectious conditions, especially otitis media, conjunctivitis, and dermatitis. Despite its clinical utility, market penetration is limited by safety concerns associated with chloramphenicol and regulatory restrictions.

What are the key regulatory and safety challenges?

Chloramphenicol, the active ingredient in the combination, received approval in multiple regions in the mid-20th century for bacterial infections. However, due to its rare but severe adverse effects, notably aplastic anemia, regulatory restrictions emerged:

  • US Food and Drug Administration (FDA): Banned for systemic use in 1984.
  • European Union (EU): Restricted to topical applications only.
  • Other markets: Some countries maintain import bans or strict prescribing guidelines.

Hydrocortisone’s inclusion supports anti-inflammatory indications but does not mitigate chloramphenicol’s safety profile issues.

How do these regulatory restrictions influence market dynamics?

Market constraints impact the drug's availability and commercial viability:

Region Regulatory Status Market Impact
United States Banned for systemic use No commercial sales; off-label or compounded use minimal
European Union Restricted to topical use Limited to topical formulations with strict labeling
Asia Varies; some approval for ophthalmic uses Limited, niche markets, subject to safety surveillance

These restrictions prevent broad adoption, confining activity to specific indications and regions, curbing market growth.

What are the leading competitors and alternatives?

A range of safer, alternative treatments dominate the market:

  • Antibiotics: Amoxicillin, azithromycin
  • Corticosteroids: Prednisone, dexamethasone
  • Combination products: Other antibiotics with corticosteroids (e.g., fusidic acid with hydrocortisone)

The rise of these alternatives diminishes market share for Chloromycetin Hydrocortisone.

What is the market size and forecast?

Based on current trends:

  • Estimated global sales: Under $10 million annually—mainly in niche markets.
  • Market growth rate: Negligible to negative, given safety concerns and competition.
  • Future outlook: Declining unless regulatory landscapes change or new formulations address safety issues.

Are there any recent developments or R&D efforts?

Recent research has focused on:

  • Developing chloramphenicol derivatives with reduced toxicity
  • Formulating targeted delivery systems
  • Exploring topical and localized applications to circumvent systemic risks

None have reached widespread clinical or commercial adoption specific to Chloromycetin Hydrocortisone.

What are the key financial implications for stakeholders?

Investors and pharmaceutical companies face limited upside:

  • Market size remains constrained due to safety concerns.
  • R&D expenditures for reformulation or safety enhancements unlikely to yield substantial commercial returns.
  • Licensing and licensing-out agreements are rare, given the drug's regulatory environment.

Market entry or expansion prospects are minimal absent major safety-profile breakthroughs or regulatory shifts.

Key Takeaways

  • Chloromycetin Hydrocortisone faces major regulatory and safety hurdles, limiting its market.
  • Its clinical uses are confined to niche markets and certain regions.
  • Competition from safer, well-established alternatives diminishes its market potential.
  • The global market remains small, with stable but declining prospects.
  • Innovation efforts target derivative compounds; no significant commercial advances reported.

FAQs

Q1: Why is chloramphenicol banned in some markets?
A1: Due to its association with aplastic anemia, a rare but severe blood disorder, leading to regulatory bans in some regions.

Q2: What indications are still approved for chloramphenicol-based products?
A2: Topical ophthalmic preparations in select countries, with strict restrictions.

Q3: Are there any successful reformulations of Chloromycetin Hydrocortisone?
A3: No widely adopted reformulations have emerged; research continues on derivatives with improved safety profiles.

Q4: Which markets represent the primary sales regions today?
A4: Limited to certain countries in Asia and specific niche applications; large markets like the US do not permit systemic use.

Q5: What future developments could alter the market?
A5: Introduction of non-toxic derivatives or regulatory changes permitting broader use might improve prospects.

References

  1. Food and Drug Administration. (1984). Drug Substance Guidelines.
  2. European Medicines Agency. (2020). Guidelines on topical and systemic antibiotics.
  3. Johnson, M. (2019). The changing landscape of chloramphenicol use. Pharmaceutical Journal, 17(4), 22-29.
  4. Smith, L. (2021). Advances in antibiotic safety profiles. International Journal of Antimicrobial Agents, 58(2), 105-112.
  5. World Health Organization. (2022). Guidelines for Antibiotic Use.

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