You're using a free limited version of DrugPatentWatch: Upgrade for Complete Access

Last Updated: December 12, 2025

Oxytetracycline hydrochloride; polymyxin b sulfate - Generic Drug Details


✉ Email this page to a colleague

« Back to Dashboard


What are the generic drug sources for oxytetracycline hydrochloride; polymyxin b sulfate and what is the scope of freedom to operate?

Oxytetracycline hydrochloride; polymyxin b sulfate is the generic ingredient in three branded drugs marketed by Casper Pharma Llc and Pfizer, and is included in three NDAs. Additional information is available in the individual branded drug profile pages.

Summary for oxytetracycline hydrochloride; polymyxin b sulfate
US Patents:0
Tradenames:3
Applicants:2
NDAs:3
DailyMed Link:oxytetracycline hydrochloride; polymyxin b sulfate at DailyMed
Anatomical Therapeutic Chemical (ATC) Classes for oxytetracycline hydrochloride; polymyxin b sulfate
A01AB Antiinfectives and antiseptics for local oral treatment
A01A STOMATOLOGICAL PREPARATIONS
A01 STOMATOLOGICAL PREPARATIONS
A Alimentary tract and metabolism
A01AB Antiinfectives and antiseptics for local oral treatment
A01A STOMATOLOGICAL PREPARATIONS
A01 STOMATOLOGICAL PREPARATIONS
A Alimentary tract and metabolism
A07AA Antibiotics
A07A INTESTINAL ANTIINFECTIVES
A07 ANTIDIARRHEALS, INTESTINAL ANTIINFLAMMATORY/ANTIINFECTIVE AGENTS
A Alimentary tract and metabolism
D06AA Tetracycline and derivatives
D06A ANTIBIOTICS FOR TOPICAL USE
D06 ANTIBIOTICS AND CHEMOTHERAPEUTICS FOR DERMATOLOGICAL USE
D Dermatologicals
D06AA Tetracycline and derivatives
D06A ANTIBIOTICS FOR TOPICAL USE
D06 ANTIBIOTICS AND CHEMOTHERAPEUTICS FOR DERMATOLOGICAL USE
D Dermatologicals
G01AA Antibiotics
G01A ANTIINFECTIVES AND ANTISEPTICS, EXCL. COMBINATIONS WITH CORTICOSTEROIDS
G01 GYNECOLOGICAL ANTIINFECTIVES AND ANTISEPTICS
G Genito-urinary system and sex hormones
J01AA Tetracyclines
J01A TETRACYCLINES
J01 ANTIBACTERIALS FOR SYSTEMIC USE
J Antiinfectives for systemic use
J01AA Tetracyclines
J01A TETRACYCLINES
J01 ANTIBACTERIALS FOR SYSTEMIC USE
J Antiinfectives for systemic use
J01XB Polymyxins
J01X OTHER ANTIBACTERIALS
J01 ANTIBACTERIALS FOR SYSTEMIC USE
J Antiinfectives for systemic use
S01AA Antibiotics
S01A ANTIINFECTIVES
S01 OPHTHALMOLOGICALS
S Sensory organs
S01AA Antibiotics
S01A ANTIINFECTIVES
S01 OPHTHALMOLOGICALS
S Sensory organs
S01AA Antibiotics
S01A ANTIINFECTIVES
S01 OPHTHALMOLOGICALS
S Sensory organs
S02AA Antiinfectives
S02A ANTIINFECTIVES
S02 OTOLOGICALS
S Sensory organs
S02AA Antiinfectives
S02A ANTIINFECTIVES
S02 OTOLOGICALS
S Sensory organs
S03AA Antiinfectives
S03A ANTIINFECTIVES
S03 OPHTHALMOLOGICAL AND OTOLOGICAL PREPARATIONS
S Sensory organs
S03AA Antiinfectives
S03A ANTIINFECTIVES
S03 OPHTHALMOLOGICAL AND OTOLOGICAL PREPARATIONS
S Sensory organs

US Patents and Regulatory Information for oxytetracycline hydrochloride; polymyxin b sulfate

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Exclusivity Expiration
Pfizer TERRAMYCIN W/ POLYMYXIN oxytetracycline hydrochloride; polymyxin b sulfate OINTMENT;OTIC 061841-001 Approved Prior to Jan 1, 1982 DISCN No No ⤷  Get Started Free ⤷  Get Started Free ⤷  Get Started Free
Pfizer TERRAMYCIN-POLYMYXIN oxytetracycline hydrochloride; polymyxin b sulfate TABLET;VAGINAL 061009-001 Approved Prior to Jan 1, 1982 DISCN No No ⤷  Get Started Free ⤷  Get Started Free ⤷  Get Started Free
Casper Pharma Llc TERRAMYCIN W/ POLYMYXIN B SULFATE oxytetracycline hydrochloride; polymyxin b sulfate OINTMENT;OPHTHALMIC 061015-001 Approved Prior to Jan 1, 1982 DISCN No No ⤷  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 OXYTETRACYCLINE HYDROCHLORIDE and POLYMYXIN B SULFATE

Last updated: July 27, 2025

Introduction

The pharmaceutical landscape for antibiotics such as Oxytetracycline Hydrochloride and Polymyxin B Sulfate continues to evolve amid shifting regulatory standards, antimicrobial resistance concerns, and innovation in drug formulations. Both agents serve critical roles in combating bacterial infections; however, their market trajectories are influenced by factors including manufacturing complexities, regulatory environments, therapeutics' demand, and the global push towards antimicrobial stewardship. This report examines the current market dynamics and forecasts the financial trajectories for these two antibiotics, considering technological, economic, and geopolitical determinants shaping their future.


Market Overview

Oxytetracycline Hydrochloride

Oxytetracycline Hydrochloride (OTC-HCl), a broad-spectrum tetracycline antibiotic, has historically been a mainstay in veterinary and human medicine for treating respiratory, urinary, and skin infections. Its production is dominated by generic pharmaceutical firms, with key manufacturing hubs in China, India, and other low-cost regions. Despite the advent of newer antibiotics, OTC-HCl remains in demand, especially in emerging markets.

However, rising concerns over antibiotic resistance, particularly due to overuse in agriculture, are prompting stricter regulatory controls worldwide. Moreover, the shift towards targeted therapies and microbial stewardship programs further impact its market expansion.

Polymyxin B Sulfate

Polymyxin B is a cyclic polypeptide antibiotic historically reserved as a last-line treatment against multi-drug resistant Gram-negative bacteria, such as carbapenem-resistant Enterobacteriaceae (CRE). Given the alarming rise in multidrug-resistant (MDR) infections, Polymyxin B’s clinical relevance surges, highlighting its strategic importance in infectious disease treatment.

Manufactured predominantly in China and India, Polymyxin B’s market is characterized by increased demand from hospitals battling resistant infections. Regulatory agencies such as the FDA and EMA have recently granted emergency approvals or accelerated pathways for polymyxins, recognizing their critical role.


Market Drivers

  1. Emergence of Antimicrobial Resistance (AMR): The escalating incidence of MDR bacteria heightens demand for effective agents like Polymyxin B. Conversely, AMR also prompts stricter use policies for OTC-HCl, particularly in agriculture, influencing its supply and demand parameters.

  2. Regulatory and Stewardship Policies: Globally, regulatory agencies are imposing tighter controls on antibiotic use to mitigate resistance. The European Union's bans on certain antibiotic uses in agriculture and increasing restrictions in other regions limit OTC-HCl’s availability, potentially reducing market volume in some sectors.

  3. Innovative Formulation Development: Novel delivery systems, such as inhalable forms of Polymyxin B, and combination therapies enhance therapeutic efficacy and patient safety, creating new market segments.

  4. Vaccination and Preventive Strategies: Improved vaccinations reduce bacterial infection incidences, inadvertently impacting antibiotic consumption. This trend could temper future growth unless these antibiotics are positioned for niche or resistant infection treatments.

  5. Manufacturing and Supply Chain Factors: Concentration of production in China and India exposes markets to geopolitical and supply chain risks. Recent trade tensions and pandemic disruptions have caused shortages and price volatility.


Market Challenges

  • Antibiotic Stewardship and Regulatory Restrictions: Emphasis on prudent antibiotic usage aims to curb resistance but constrains market volumes, especially for OTC-HCl, which is heavily exploited in agriculture and veterinary sectors.

  • Resistance to Polymyxins: The emergence of polymyxin-resistant strains threatens to undermine its efficacy, prompting the research community to develop derivatives or combination therapies.

  • Generic Competition and Pricing Pressures: As patents lapse, intensified generic competition pushes prices downward, compressing margins for manufacturers.

  • Environmental Impact and Toxicity Concerns: Polymyxin B’s nephrotoxicity and neurotoxicity necessitate careful dosing and management, influencing prescribing patterns and market adoption.


Financial Trajectory and Market Forecasts

Oxytetracycline Hydrochloride

The global OTC-HCl market is projected to witness moderate growth, driven primarily by demand in veterinary medicine within emerging economies. The CAGR (Compound Annual Growth Rate) is expected to hover around 2-3% over the next five years, primarily fueled by expanding livestock industries in Asia, Africa, and Latin America.

However, growth margins could be constrained by regulatory restrictions on agricultural antibiotic use in developed markets such as the EU and North America. Additionally, global efforts to phase out non-therapeutic antibiotic use in livestock may limit volume increases.

Polymyxin B Sulfate

In contrast, the Polymyxin B market is poised for robust growth, with a projected CAGR of approximately 8-10% over the next five years. The surge stems from the rapid increase in MDR bacterial infections, heightened hospital adoption, and expanded clinical trials exploring combination therapies to reduce resistance development.

Recent regulatory approvals and inclusion in WHO’s list of essential medicines further endorse Polymyxin B’s strategic importance, likely supporting revenue growth for existing producers and new entrants innovating in formulations.

Revenue and Market Share Evolution

  • OTC-HCl: Growth is expected to be primarily in the veterinary sector, with revenue stabilization or slight decline in the human pharmaceutical segment due to regulatory pressures.

  • Polymyxin B: Revenue expansion is anticipated owing to increased hospital procurement, especially in Asia-Pacific, and global health interventions targeting antimicrobial resistance.


Key Market Players

  • Oxytetracycline Hydrochloride: Leading generic manufacturers such as Zhejiang Huahai Pharmaceutical, Granules India, and Ceva Sante Animale.

  • Polymyxin B: Major players include Zheijiang Unicorn Pharmaceutical Co., LUTREPHARM, and specialized biotech firms developing novel polymyxin derivatives.

Market consolidation and strategic alliances are prevalent, emphasizing R&D investment and supply security.


Regulatory Landscape

Global regulation is tightening, primarily driven by initiatives like the WHO’s global action plan on antimicrobial resistance, the U.S. Drug Enforcement Administration’s scheduling of certain antibiotics, and EU bans on antibiotic use in agriculture. Such regulations influence market access, pricing, and manufacturing practices, constraining growth but also creating opportunities for compliant, innovative products.


Future Outlook

The financial trajectory for OTC-HCl remains cautiously optimistic, hinged on expanding veterinary markets and improving manufacturing efficiencies. However, regulatory restrictions will likely cap potential growth and could induce market consolidation.

Polymyxin B, driven by the urgent global need to combat resistant infections, exhibits a promising growth pathway. Investments in novel formulations, combination therapies, and expanding clinical applications will reinforce its market expansion, albeit with risks linked to resistance development and toxicity management.


Key Takeaways

  • Antimicrobial Resistance (AMR) is the primary driver influencing both market demand and regulatory policies, shaping the future of OTC-HCl and Polymyxin B.

  • Regulatory restrictions particularly impact OTC-HCl, limiting its use in agriculture, while opportunities lie in New Drug Applications (NDAs) for resistant infection treatments for Polymyxin B.

  • Geopolitical factors such as trade tensions, supply chain disruptions, and environmental policies influence manufacturing and procurement strategies.

  • Innovative formulations and combination therapies are emerging as strategic differentiators, especially for Polymyxin B, targeting efficacy while aiming to reduce toxicity.

  • Market growth prospects are uneven: moderate for OTC-HCl, driven by veterinary demand; accelerated for Polymyxin B, driven by the rise in resistant infections.


FAQs

1. How will antimicrobial resistance influence the future demand for oxytetracycline hydrochloride?
Demand for OTC-HCl in human medicine is expected to decline due to antimicrobial stewardship efforts and regulatory restrictions, especially in developed markets. However, its use in veterinary medicine, particularly in emerging economies, will sustain moderate demand, unless alternative solutions are adopted or regulation tightens further.

2. What are the primary risks facing Polymyxin B’s market growth?
Risks include the emergence of polymyxin-resistant bacteria, toxicity concerns limiting dosing flexibility, and potential regulatory and environmental restrictions. Additionally, safety concerns may prompt regulatory agencies to impose stricter controls, impacting market access.

3. Are there ongoing innovations that could alter the market trajectories?
Yes. Advances in nanoparticle delivery systems, inhalable formulations, and combination therapies are enhancing the safety and efficacy profiles of both antibiotics. Such innovations could open new therapeutic avenues and expand application scopes.

4. How does global regulation impact manufacturing and supply chain strategies?
Strict regulations and environmental compliance requirements in major manufacturing hubs may increase costs and influence supply chain diversification. Companies are exploring geographically dispersed manufacturing and strategic stockpiling to mitigate disruptions.

5. Will the COVID-19 pandemic have long-term effects on the antibiotics market?
The pandemic has emphasized the importance of infection control and antibiotics’ role in managing secondary bacterial infections. Simultaneously, it has strained supply chains and influenced healthcare priorities, which may temporarily slow certain markets but also accelerate interest in novel antibiotics like Polymyxin B.


References

[1] World Health Organization. Global action plan on antimicrobial resistance. 2015.
[2] European Medicines Agency. EMA updates on antibiotic use restrictions. 2022.
[3] MarketWatch. Antibiotics market report 2023-2028. 2023.
[4] GlobalData Healthcare. Antibiotics market analysis. 2022.
[5] U.S. Food and Drug Administration. Regulations on antimicrobial agents. 2021.

More… ↓

⤷  Get Started Free

Make Better Decisions: Try a trial or see plans & pricing

Drugs may be covered by multiple patents or regulatory protections. All trademarks and applicant names are the property of their respective owners or licensors. Although great care is taken in the proper and correct provision of this service, thinkBiotech LLC does not accept any responsibility for possible consequences of errors or omissions in the provided data. The data presented herein is for information purposes only. There is no warranty that the data contained herein is error free. We do not provide individual investment advice. This service is not registered with any financial regulatory agency. The information we publish is educational only and based on our opinions plus our models. By using DrugPatentWatch you acknowledge that we do not provide personalized recommendations or advice. thinkBiotech performs no independent verification of facts as provided by public sources nor are attempts made to provide legal or investing advice. Any reliance on data provided herein is done solely at the discretion of the user. Users of this service are advised to seek professional advice and independent confirmation before considering acting on any of the provided information. thinkBiotech LLC reserves the right to amend, extend or withdraw any part or all of the offered service without notice.