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Last Updated: March 26, 2026

CLEOCIN PHOSPHATE Drug Patent Profile


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Which patents cover Cleocin Phosphate, 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-six 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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Questions you can ask:
  • What is the 5 year forecast for CLEOCIN PHOSPHATE?
  • What are the global sales for CLEOCIN PHOSPHATE?
  • What is Average Wholesale Price for CLEOCIN PHOSPHATE?
Summary for CLEOCIN PHOSPHATE
Drug patent expirations by year for CLEOCIN PHOSPHATE
Drug Prices for CLEOCIN PHOSPHATE

See drug prices for CLEOCIN PHOSPHATE

Recent Clinical Trials for CLEOCIN PHOSPHATE

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

SponsorPhase
Stiefel, a GSK CompanyPhase 1
GlaxoSmithKlinePhase 1

See all CLEOCIN PHOSPHATE clinical trials

Pharmacology for CLEOCIN PHOSPHATE

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
Pharmacia And Upjohn CLEOCIN PHOSPHATE clindamycin phosphate INJECTABLE;INJECTION 061839-001 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 CLEOCIN PHOSPHATE

Last updated: March 25, 2026

What is the current market position of CLEOCIN PHOSPHATE?

CLEOCIN PHOSPHATE (clindamycin phosphate) is an antibiotic primarily used for bacterial infections. It is available via oral, topical, and injectable formulations. The drug holds a significant share in the antibiotic segment, especially for skin, soft tissue, and respiratory infections.

The global antibiotic market was valued at approximately $46 billion in 2022, with a compound annual growth rate (CAGR) of 3% over the past five years. Clindamycin accounts for an estimated 4% of the total antibiotic sales, reflecting its steady demand in hospital and outpatient settings. The market is driven by antimicrobial resistance concerns, expanding indications, and increasing prevalence of targeted bacterial infections [1].

How does the competitive landscape influence CLEOCIN PHOSPHATE?

Key competitors include other lincosamides (e.g., lincomycin), macrolides (e.g., azithromycin), and newer classes such as ketolides and oxazolidinones.

Market share distribution (2022):

Drug Class Estimated Market Share Key Players
Lincosamides (clindamycin) 20% Pfizer, Mylan
Macrolides 40% Pfizer, GlaxoSmithKline
Ketolides/Oxazolidinones 15% Merck, Pfizer
Others 25% Various generics

Brand vs. generic formulations influence pricing dynamics. Generic versions of CLEOCIN PHOSPHATE have increased accessibility but exert downward pressure on pricing. Patent expiration occurred in 2015 in the US, leading to a proliferation of generic options [2].

What are the regulatory and clinical factors impacting market growth?

CLEOCIN PHOSPHATE has received FDA approval for multiple indications including bacterial vaginosis, pneumonia, and skin infections. Approval is based on its efficacy against gram-positive bacteria, especially Staphylococcus and Streptococcus species.

Emerging resistance to clindamycin impacts prescribing patterns. The CDC reports increasing resistance rates in S. aureus isolates (including MRSA) now reaching 20-30% in some regions, although susceptibility remains high in certain countries [3].

Regulatory bodies have issued stewardship guidelines to restrict unnecessary antibiotic use, which may limit overall volume growth. Enhanced focus on antimicrobial stewardship programs restrains overprescription, especially in outpatient settings.

What are the key economic factors influencing CLEOCIN PHOSPHATE's financial trajectory?

Price erosion from generic competition is the primary factor. In the US, average wholesale prices (AWP) of CLEOCIN PHOSPHATE oral formulations declined by approximately 25% between 2018 and 2022 [4].

Sales volume is influenced heavily by hospital formularies and outpatient prescribing habits. The rise of topical formulations for acne and skin infections has expanded the market, but margins remain compressed due to generic pricing.

Manufacturers report that R&D investments in new indications or formulations are limited, as current use patterns are well established. Facing resistance issues, the pipeline for novel derivatives is cautious.

In emerging markets, growth opportunities exist due to the higher prevalence of bacterial infections and limited access to newer antibiotics. Countries like India, Brazil, and parts of Southeast Asia show increased demand, with market expansion expected at CAGR 4-6% through 2028 [5].

How do supply chain dynamics affect the financial outlook?

Manufacturing costs have decreased due to improved production efficiencies and increased generic manufacturing capacity. Logistic disruptions caused by global events (e.g., COVID-19 pandemic) briefly affected supply but have stabilized.

Pricing strategies are focused on maintaining competitiveness against other generic antibiotics. Strategic inventory management and regulatory compliance are key cost-containment measures.

Summary of financial outlook and key factors

Factor Impact
Patent expiry and generics Price pressure, volume-led sales growth
Resistance rates Market penetration decline for resistant strains
Regulatory stewardship Restricted prescribing, limiting expansion
Emerging market growth Long-term sales potential, especially in developing regions
Innovation and pipeline Limited near-term impact, high R&D costs

Key Takeaways

  • CLEOCIN PHOSPHATE remains a stable, though mature, product in the antibiotic market.
  • Generic competition has reduced margins but facilitated wider access.
  • Growing resistance and stewardship programs pose headwinds to revenue growth.
  • Emerging markets provide growth opportunities, particularly if antimicrobial resistance remains manageable.
  • R&D investments are minimal, with limited pipeline activity, focusing instead on optimized current formulations.

FAQs

What is the primary use of CLEOCIN PHOSPHATE?
It is used to treat bacterial infections, including skin infections, respiratory infections, and bacterial vaginosis.

How does resistance affect CLEOCIN PHOSPHATE’s sales?
Rising resistance in key pathogens like S. aureus reduces susceptibility, threatening efficacy and limiting prescribing.

Are there recent regulatory changes impacting the drug?
Yes, antimicrobial stewardship guidelines have led to more restrictive use, especially in outpatient settings.

What is the patent status of CLEOCIN PHOSPHATE?
Patent expired in 2015 in the US, leading to generic availability.

What is the outlook in emerging markets?
Markets such as India and Brazil show increasing demand; growth anticipated at 4-6% CAGR over the next five years.


References

  1. Grand View Research. (2022). Antibiotics Market Size, Share & Trends Analysis Report.
  2. U.S. Food and Drug Administration. (2015). Patent and Exclusivity Data.
  3. Centers for Disease Control and Prevention. (2022). Antibiotic Resistance Threats Report.
  4. IQVIA. (2022). Antibiotic Market Data and Pricing Trends.
  5. MarketsandMarkets. (2022). Emerging Markets Antibiotics Market Forecast.

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