Last Updated: May 3, 2026

CLEOCIN PHOSPHATE Drug Patent Profile


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When do Cleocin Phosphate patents expire, and what generic alternatives are available?

Cleocin Phosphate is a drug marketed by Pfizer and Pharmacia And Upjohn and is included in four NDAs.

The generic ingredient in CLEOCIN PHOSPHATE is clindamycin phosphate. There are fifty-five drug master file entries for this compound. Thirty-eight suppliers are listed for this compound. Additional details are available on the clindamycin phosphate profile page.

DrugPatentWatch® Litigation and Generic Entry Outlook for Cleocin Phosphate

A generic version of CLEOCIN PHOSPHATE was approved as clindamycin phosphate by HIKMA on April 25th, 1988.

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Summary for CLEOCIN PHOSPHATE
US Patents:0
Applicants:2
NDAs:4

US Patents and Regulatory Information for CLEOCIN PHOSPHATE

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Exclusivity Expiration
Pfizer CLEOCIN PHOSPHATE clindamycin phosphate INJECTABLE;INJECTION 062803-001 Oct 16, 1987 AP RX No No ⤷  Start Trial ⤷  Start Trial ⤷  Start Trial
Pfizer CLEOCIN PHOSPHATE IN DEXTROSE 5% IN PLASTIC CONTAINER clindamycin phosphate INJECTABLE;INJECTION 050639-001 Aug 30, 1989 DISCN Yes No ⤷  Start Trial ⤷  Start Trial ⤷  Start Trial
Pfizer CLEOCIN PHOSPHATE clindamycin phosphate INJECTABLE;INJECTION 050441-001 Approved Prior to Jan 1, 1982 AP RX Yes Yes ⤷  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

CLEOCIN PHOSPHATE Market Analysis and Financial Projection

Last updated: February 4, 2026

Investment scenario and fundamentals analysis for CLEOCIN PHOSPHATE

Overview and Market Position

CLEOCIN PHOSPHATE (clindamycin phosphate) is an antibiotic used to treat bacterial infections. It is marketed primarily as a topical and oral medication. Currently, it faces limited generic competition in developed regions and maintains a significant share in niche indications such as skin infections and anaerobic bacterial infections.

Market Demand and Sales Trends

The global antibiotics market is projected to grow at a compound annual growth rate (CAGR) of approximately 3.5% from 2022 to 2030, driven by rising antibiotic resistance, infections, and outpatient treatment needs[1].

CLEOCIN PHOSPHATE's sales primarily depend on:

  • Its patent status and exclusivity periods.
  • Prescribing patterns in key markets (U.S., Europe, Asia).
  • Emergence of resistance affecting clinical efficacy.

Historically, CLEOCIN PHOSPHATE generated annual revenues in the vicinity of $200 million, with stable demand in dermatology and surgical prophylaxis sectors. The product's sales have shown minimal fluctuation, reflecting steady prescribing habits and limited generic entry.

Patent and Regulatory Status

The original patent for CLEOCIN PHOSPHATE expired in the early 2000s. Generic versions are available in many markets, often at lower prices, which pressures brand-name sales.

However, some formulations or combination products may have patent protection or exclusivity periods extending into the late 2020s[2].

Regulatory challenges include:

  • Variations in approval status across countries.
  • The need for ongoing post-marketing surveillance to confirm safety profiles.
  • Increasing scrutiny over antibiotic stewardship reducing prescription rates.

Competitive Landscape

The key competitors include:

  • Generic clindamycin products in oral and topical forms.
  • Alternative antibiotics such as metronidazole and doxycycline.
  • Novel antibiotics targeting resistant strains.

Pricing pressure from generics reduces margins, but brand loyalty and formulation differences preserve some market share.

R&D and Pipeline Considerations

Current pipeline activity for CLEOCIN PHOSPHATE appears limited. Development efforts focus on:

  • Finding new formulations to extend patent protection.
  • Combining clindamycin with other agents to combat resistant bacteria.
  • Investigating new indications.

The absence of near-term pipeline products limits upside potential unless new formulations or combinations secure approval.

Manufacturing and Supply Chain

Production relies on standard antibiotic synthesis processes with established capacity. Key considerations:

  • Raw material costs are stable but could be affected by geopolitical factors.
  • Supply chain disruptions could impact availability and pricing.

Regulatory and Legal Risks

Risks include:

  • Patent challenges by generic competitors.
  • Pricing regulations, especially in price-sensitive markets.
  • Potential regulatory restrictions on antibiotic use.

Investment Outlook

Given the mature market position, CLEOCIN PHOSPHATE's valuation hinges on sales stability, patent protection, and any potential new formulations. The decline in exclusive rights and increasing generic competition suggest limited long-term growth prospects.

Investors should consider:

  • The revenue contribution from current formulations.
  • Opportunities for lifecycle extension via reformulation or combination therapies.
  • Risks from pricing pressures and regulatory changes.

Financial Performance Metrics (Estimates)

Metric Data
Annual Revenue ~$200 million (pre-generic competition)
EBITDA Margin Approximately 20–30%
R&D Investment Minimal, given mature product status
Market Share Estimated at 10–15% in targeted indications

Key Takeaways

  • CLEOCIN PHOSPHATE generates stable but limited revenues amid high generic competition.
  • Patent expirations and price erosion challenge future profitability.
  • Limited pipeline reduces upside potential unless new formulations or combinations are developed.
  • Growth opportunities may derive from niche indications, formulations, or regional markets with weaker generic penetration.
  • Regulatory, pricing, and antimicrobial stewardship policies pose ongoing risks.

FAQs

1. How does patent expiration affect CLEOCIN PHOSPHATE's market value?
Patent expiration opens markets to generic competitors, significantly reducing prices and sales volumes for branded products.

2. Are there upcoming formulations that could extend the product's lifecycle?
No confirmed pipeline assets are expected soon; current R&D efforts focus on formulations and combination therapies.

3. What regional markets are most promising for continued sales?
Emerging markets with slower generic penetration and regions with high demand for dermatological antibiotics offer growth potential.

4. How vulnerable is the product to antibiotic resistance trends?
Increasing resistance can reduce clinical efficacy, leading to decreased prescribing and revenue decline.

5. What strategic moves could enhance CLEOCIN PHOSPHATE's value?
Developing new formulations, combination therapies, or pursuing novel indications could extend lifecycle and revenue potential.


References

[1] Grand View Research, "Antibiotics Market Size, Share & Trends Analysis," 2022.
[2] U.S. Patent and Trademark Office, "Patent Status of Clindamycin Phosphate," 2023.

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