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Last Updated: December 18, 2025

BICILLIN C-R 900/300 Drug Patent Profile


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Which patents cover Bicillin C-r 900/300, and what generic alternatives are available?

Bicillin C-r 900/300 is a drug marketed by King Pharms Llc and is included in one NDA.

The generic ingredient in BICILLIN C-R 900/300 is penicillin g benzathine; penicillin g procaine. There are ninety-two drug master file entries for this compound. One supplier is listed for this compound. Additional details are available on the penicillin g benzathine; penicillin g procaine profile page.

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  • What is the 5 year forecast for BICILLIN C-R 900/300?
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Summary for BICILLIN C-R 900/300
US Patents:0
Applicants:1
NDAs:1
Finished Product Suppliers / Packagers:1
Raw Ingredient (Bulk) Api Vendors:2
Clinical Trials:3
Patent Applications:103
What excipients (inactive ingredients) are in BICILLIN C-R 900/300?BICILLIN C-R 900/300 excipients list
DailyMed Link:BICILLIN C-R 900/300 at DailyMed
Drug patent expirations by year for BICILLIN C-R 900/300
Recent Clinical Trials for BICILLIN C-R 900/300

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

SponsorPhase
Washington University School of MedicinePHASE3
University of TennesseePhase 2
National Institute of Allergy and Infectious Diseases (NIAID)Phase 3

See all BICILLIN C-R 900/300 clinical trials

Pharmacology for BICILLIN C-R 900/300

US Patents and Regulatory Information for BICILLIN C-R 900/300

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Exclusivity Expiration
King Pharms Llc BICILLIN C-R 900/300 penicillin g benzathine; penicillin g procaine INJECTABLE;INJECTION 050138-003 Approved Prior to Jan 1, 1982 RX Yes Yes ⤷  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

Market Dynamics and Financial Trajectory for BICILLIN C-R 900/300

Last updated: August 2, 2025

Introduction

BICILLIN C-R 900/300, a long-standing antibiotic treatment composed of benzathine penicillin G and procaine penicillin G, remains integral in managing bacterial infections, notably in conditions like syphilis and rheumatic fever prophylaxis. Understanding its market dynamics and financial trajectory entails analyzing evolving demand patterns, competitive landscape, regulatory considerations, and pricing strategies. This comprehensive review aims to inform stakeholders—including pharmaceutical companies, healthcare providers, and investors—about the current state and future prospects of BICILLIN C-R 900/300 within the pharmaceutical ecosystem.


Product Overview and Clinical Significance

BICILLIN C-R 900/300 combines two penicillin formulations: benzathine penicillin G (900,000 units) and procaine penicillin G (300,000 units). Its extended-release profile facilitates sustained antimicrobial activity, reducing dosing frequency and improving compliance. The drug's primary indications encompass:

  • Syphilis treatment
  • Prevention of rheumatic carditis in streptococcal infections
  • Other bacterial infections requiring penicillin therapy

Given its established efficacy, BICILLIN C-R 900/300 has historically enjoyed widespread usage, especially in regions with limited healthcare infrastructure.


Market Dynamics

1. Global Demand Trends

The demand for BICILLIN C-R 900/300 exhibits regional variability, influenced by factors such as disease prevalence, antibiotic stewardship policies, and healthcare infrastructure.

  • High-Demand Regions: Sub-Saharan Africa, Southeast Asia, and Latin America continue to report high incidence rates of syphilis and rheumatic fever, sustaining demand. For instance, the World Health Organization reports syphilis prevalence reaching over 1% in certain low-income countries, underpinning consistent need for penicillin-based therapies[^1].

  • Declining Trends in Developed Countries: Advanced nations observe declining syphilis rates owing to effective screening and public health campaigns. Consequently, utilization in countries like the U.S. and Western Europe has plateaued or decreased, impacting overall market size.

2. Manufacturing and Supply Chain Constraints

While demand persists, supply chain disruptions—amplified during the COVID-19 pandemic—have intermittently constrained production. Notably:

  • Regulatory hurdles: Certain formulations, including BICILLIN C-R 900/300, face registration challenges due to differing regulatory standards across jurisdictions.
  • Raw material shortages: The synthesis of benzathine penicillin G and procaine penicillin G depends on complex manufacturing processes, susceptible to geopolitical factors and raw material availability.

3. Competitive and Substitute Products

Despite its long-standing presence, BICILLIN C-R 900/300 faces competition:

  • Alternative formulations: Short-acting penicillin formulations and newer macrolides (e.g., azithromycin) have gained preference due to convenience.
  • Market shifts: In some settings, oral antibiotics or combination therapies are increasingly favored, challenging injectable formulations' dominance.

However, regulatory restrictions on oral alternatives for managing certain infections preserve BICILLIN C-R 900/300’s relevance, especially in resource-limited settings.

4. Regulatory and Policy Impact

Stringent regulations concerning antibiotic stewardship and infection control influence market dynamics:

  • Antibiotic stewardship programs: Aim to curb unnecessary antibiotic use, potentially reducing application in non-indicated infections.
  • Regulatory approvals: Variability in approval status across countries can either expand or curtail market access.

In particular, recent WHO guidelines emphasizing judicious antibiotic use could impact future procurement policies.

5. Price and Reimbursement Landscape

Pricing strategies significantly affect market accessibility:

  • Developing countries: Often benefit from subsidized or donor-funded procurement, ensuring consistent supply.
  • Developed countries: Typically see higher prices, but utilization is constrained by insurance and reimbursement policies.

Market penetration hinges upon pricing, reimbursement frameworks, and procurement policies that balance affordability with sustainable margins for manufacturers.


Financial Trajectory

1. Revenue Projections

Given regional demand variability and competitive pressures, revenue projections show cautious optimism:

  • Stable in emerging markets: High disease burden sustains baseline demand, stabilizing revenues.
  • Declining in mature markets: Diminishing utilization may lead to flat or declining revenues unless new indications or formulations emerge.

Forecast models suggest:

  • Compound Annual Growth Rate (CAGR): Expected at approximately 1-3% over the next five years, driven primarily by growth in low- and middle-income countries (LMICs).
  • Market size estimates: The global injectable penicillin market, valued at around $450 million in 2022, is projected to grow modestly, with BICILLIN C-R 900/300 contributing a significant share in specific geographies[^2].

2. Cost Structure and Profitability

Manufacturing costs are influenced by:

  • Raw material sourcing
  • Regulatory compliance expenses
  • Distribution logistics

Margins are preserved in LMICs due to subsidies, while in high-income countries, profitability may be constrained by pricing pressures. Patent protections are no longer in force, generally positioning BICILLIN C-R 900/300 as a generic, intensifying price competition.

3. Investment and R&D Outlook

Limited ongoing R&D efforts focus on:

  • Reformulation for improved administration
  • New indications

However, the drug's age and established profile mean R&D investments are minimal, with the primary focus on manufacturing efficiency and expanding access.


Regulatory Environment and Market Entry Barriers

Regulatory approval pathways vary significantly:

  • Countries like the U.S. do not approve BICILLIN C-R 900/300 specifically, relying on compounding or imported products.
  • WHO prequalification facilitates procurement in LMICs, expanding access.

Barriers include:

  • Regulatory heterogeneity
  • Supply chain complexity
  • Patent and exclusivity considerations

Market entry for new manufacturers necessitates navigating complex registration procedures and establishing local manufacturing capabilities or partnerships.


Emerging Trends and Future Outlook

1. Increasing Focus on Antimicrobial Stewardship

Policy initiatives promoting prudent antibiotic use may influence demand patterns. Emphasizing targeted therapy could reduce unnecessary injections, although critical indications will sustain demand in resource-limited settings.

2. Potential for Formulation Innovation

Advances might include:

  • Development of longer-acting formulations
  • Combination therapies with enhanced efficacy

Such innovations could revitalize market interest and extend product lifecycle.

3. Digital and Supply Chain Enhancements

Integrating supply chain technologies may mitigate raw material shortages and distribution constraints, ensuring consistent availability.

4. Impact of Global Health Initiatives

Partnerships like the WHO's Global Drug Facility aim to improve access to essential medicines, including BICILLIN C-R 900/300, especially in underserved regions.


Key Takeaways

  • Stable demand persists in emerging markets due to high disease burden, while developed countries witness plateauing or declining use aligned with improved public health efforts.

  • Supply chain disruptions and regulatory complexities pose ongoing challenges but also opportunities for manufacturers to optimize logistics and navigate entry barriers.

  • Pricing and reimbursement dynamics heavily influence market accessibility, with subsidies vital for LMIC uptake.

  • Market growth remains conservative, with estimated CAGR of 1-3% over the next five years, primarily driven by expanding access rather than increased per-unit sales.

  • Limited R&D activity indicates the product's entrenched status; innovations are unlikely unless driven by significant technological or demographic shifts.

  • Policy shifts toward antibiotic stewardship could temper demand, though essential indications will sustain core usage, especially in resource-constrained environments.


FAQs

1. What are the primary indications for BICILLIN C-R 900/300?
Primarily used for syphilis treatment and rheumatic fever prophylaxis, owing to its prolonged antimicrobial activity. It is also indicated for various bacterial infections requiring penicillin therapy.

2. How does regional regulation affect BICILLIN C-R 900/300 sales?
Regulatory heterogeneity complicates registration and importation, especially in developed countries where approval is absent or challenging, limiting market access.

3. Will antibiotic stewardship programs impact the future demand for BICILLIN C-R 900/300?
Yes. These programs promote judicious use of antibiotics, potentially reducing unnecessary injections; nonetheless, essential indications in endemic regions will maintain baseline demand.

4. Are there alternatives to BICILLIN C-R 900/300?
Alternatives include oral antibiotics such as azithromycin for certain indications, but injectable penicillin remains the standard for penicillin-susceptible infections, particularly in pregnant women and resource-limited settings.

5. What are the prospects for innovation in this product?
Innovations may focus on extended-release formulations or combination therapies, but current R&D activity on BICILLIN C-R 900/300 is limited due to its established safety and efficacy profile.


References

[^1]: World Health Organization. Global prevalence of syphilis and other reproductive tract infections. 2022.
[^2]: MarketWatch. Global Injectable Penicillin Market Size, Share & Trends Analysis Report. 2022.

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