You're using a free limited version of DrugPatentWatch: ➤ Start for $299 All access. No Commitment.

Last Updated: March 27, 2026

NEOMYCIN SULFATE; POLYMYXIN B SULFATE - Generic Drug Details


✉ Email this page to a colleague

« Back to Dashboard


What are the generic sources for neomycin sulfate; polymyxin b sulfate and what is the scope of patent protection?

Neomycin sulfate; polymyxin b sulfate is the generic ingredient in five branded drugs marketed by Glaxosmithkline, Alcon, Watson Labs, Xgen Pharms, Monarch Pharms, and Allergan, and is included in nine NDAs. Additional information is available in the individual branded drug profile pages.

One supplier is listed for this compound.

Summary for NEOMYCIN SULFATE; POLYMYXIN B SULFATE
Recent Clinical Trials for NEOMYCIN SULFATE; POLYMYXIN B SULFATE

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

SponsorPhase
University of MiamiN/A
Bascom Palmer Eye InstituteN/A
Azidus BrasilPhase 3

See all NEOMYCIN SULFATE; POLYMYXIN B SULFATE clinical trials

Pharmacology for NEOMYCIN SULFATE; POLYMYXIN B SULFATE
Anatomical Therapeutic Chemical (ATC) Classes for NEOMYCIN SULFATE; POLYMYXIN B SULFATE
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
A07AA Antibiotics
A07A INTESTINAL ANTIINFECTIVES
A07 ANTIDIARRHEALS, INTESTINAL ANTIINFLAMMATORY/ANTIINFECTIVE AGENTS
A Alimentary tract and metabolism
B05CA Antiinfectives
B05C IRRIGATING SOLUTIONS
B05 BLOOD SUBSTITUTES AND PERFUSION SOLUTIONS
B Blood and blood forming organs
D06AX Other antibiotics for topical use
D06A ANTIBIOTICS FOR TOPICAL USE
D06 ANTIBIOTICS AND CHEMOTHERAPEUTICS FOR DERMATOLOGICAL USE
D Dermatologicals
J01GB Other aminoglycosides
J01G AMINOGLYCOSIDE ANTIBACTERIALS
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
R02AB Antibiotics
R02A THROAT PREPARATIONS
R02 THROAT PREPARATIONS
R Respiratory system
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 NEOMYCIN SULFATE; 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
Xgen Pharms NEOMYCIN AND POLYMYXIN B SULFATE neomycin sulfate; polymyxin b sulfate SOLUTION;IRRIGATION 065108-001 Jan 31, 2006 RX No Yes ⤷  Start Trial ⤷  Start Trial ⤷  Start Trial
Alcon STATROL neomycin sulfate; polymyxin b sulfate SOLUTION/DROPS;OPHTHALMIC 050456-001 Approved Prior to Jan 1, 1982 DISCN No No ⤷  Start Trial ⤷  Start Trial ⤷  Start Trial
Alcon STATROL neomycin sulfate; polymyxin b sulfate SOLUTION/DROPS;OPHTHALMIC 062339-001 Nov 30, 1984 DISCN No No ⤷  Start Trial ⤷  Start Trial ⤷  Start Trial
Glaxosmithkline NEOSPORIN neomycin sulfate; polymyxin b sulfate CREAM;TOPICAL 050176-002 Jan 14, 1985 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

NEOMYCIN SULFATE; POLYMYXIN B SULFATE Market Analysis and Financial Projection

Last updated: February 13, 2026

What Are the Market Dynamics for Neomycin Sulfate and Polymyxin B Sulfate?

The market for neomycin sulfate and polymyxin B sulfate is shaped by regulatory approvals, antimicrobial resistance concerns, manufacturing capacities, and regional demand. Both drugs are antibiotics primarily used for topical and systemic infections. Their global market is driven by hospital-acquired infections, wound care, and skin infections.

Market Size and Growth Trends

  • The global antibiotic market, which includes neomycin sulfate and polymyxin B sulfate, was valued at approximately USD 47 billion in 2021 (1).
  • The segment focused on topical antibiotics accounts for around 15% of this market, with demand driven by increasing skin infection cases and surgical procedures (2).

Regional Market Distribution

  • North America dominates due to high healthcare expenditure, extensive hospital infrastructure, and a high prevalence of resistant infections (3).
  • Europe follows, with market growth fueled by aging populations and regulatory approvals for new formulations.
  • Asia-Pacific exhibits the fastest growth, driven by expanding healthcare access, local manufacturing, and a rise in infectious diseases; compound annual growth rate (CAGR) projected at 7%, from 2022-2027 (4).

Key Market Drivers

  • Rising antimicrobial resistance (AMR) combating the need for novel formulations and combination therapies.
  • Increasing incidence of wound infections, especially in diabetes-related ulcers and surgical site infections.
  • Regulatory approvals for new formulations or combination drugs that include neomycin sulfate or polymyxin B sulfate.

Challenges

  • Stringent regulatory standards slowing new product approvals.
  • Competition from other antibiotics with broader spectrums or improved safety profiles.
  • Growing concerns over nephrotoxicity and neurotoxicity associated with polymyxin B.

Competitive Landscape

Major players include:

  • GlaxoSmithKline (GSK)
  • Pfizer
  • Allergan (acquired by AbbVie)
  • Hospitals and compounding pharmacies producing generic formulations

Market share is tied to manufacturing capacity, formulation innovation, and regional distribution agreements.

What Is the Financial Trajectory for Neomycin Sulfate and Polymyxin B Sulfate?

The financial outlook hinges on production costs, patent statuses, pricing strategies, and regional demand patterns.

Revenue Potential

  • Estimated revenue for the combined topical antibiotic segment stood at USD 7 billion in 2022 (5).
  • Neomycin sulfate constitutes approximately 35-40% of this segment, with polymyxin B making up 25-30% (6).

Price Trends

  • Prices of generic formulations have declined 10-15% annually due to increased competition and generic availability (7).
  • Patented or proprietary mixes command premium pricing.
  • Regional variations influence pricing: North America commands higher prices per unit compared to Asia-Pacific.

Cost Structure and Profitability

  • Manufacturing costs for batch production of these antibiotics are relatively low, approximately USD 0.05-0.10 per tablet or vial (8).
  • Profit margins for branded products range between 20-30%, with generic producers operating at higher margins due to lower R&D expenses (9).

Investment Outlook

  • R&D investments aim to reduce toxicity and expand indications, inline with antimicrobial preservation strategies.
  • Potential for combination products increases revenue streams and market penetration.

Regulatory Impact

  • Approvals for new indications or formulations can boost revenue.
  • Regulatory hurdles and safety concerns, especially regarding nephrotoxicity, may delay or restrict market access.

How Do Patent and Regulatory Policies Affect Market and Financial Trajectory?

  • Neomycin sulfate has been off patent for decades, with generic manufacturers dominating supply.
  • Polymyxin B's composition patent expired in 2005, leading to widespread generic production globally.
  • Recent regulatory focus on toxicity profiles may limit new formulation approvals or impose label changes, affecting sales.

What Are the Future Trends and Opportunities?

  • Development of polymyxin B derivatives with reduced toxicity.
  • Formulation innovations, such as liposomal delivery systems, may enhance efficacy and safety profiles.
  • Rising use in combination therapies to combat AMR offers additional market avenues.

Key Takeaways

  • The global antibacterial market remains sizable, with topical antibiotics like neomycin sulfate and polymyxin B sulfate representing a significant segment due to their proven efficacy and low-cost manufacturing.
  • Market growth in Asia-Pacific and other regions relies heavily on expanding healthcare infrastructure and antimicrobial resistance patterns.
  • The financial trajectory depends on generic competition, regulatory landscape, and ongoing R&D efforts to improve safety and broaden indications.
  • Pricing pressures are intense, but branded and combination products offer profit margin opportunities.
  • Regulatory policies emphasizing safety could significantly impact market access and product development pathways.

FAQs

1. What factors influence pricing for neomycin sulfate and polymyxin B sulfate?
Prices are influenced by manufacturing costs, regional competition, patent status, and regulatory requirements. Generics tend to be priced lower, especially in regions with multiple suppliers.

2. What are the main safety concerns associated with these antibiotics?
Neomycin can cause allergic reactions and nephrotoxicity; polymyxin B is associated with nephrotoxicity and neurotoxicity, which limit their use at higher doses.

3. How does antimicrobial resistance impact these drugs’ market?
Resistance reduces effectiveness, necessitating higher doses or combination therapies, which can drive demand but also encourage development of new formulations.

4. Are there ongoing developments to improve toxicity profiles?
Yes, research is ongoing into polymyxin B derivatives and alternative delivery systems aimed at reducing toxicity.

5. What regions offer the most growth opportunity?
Asia-Pacific currently shows the highest CAGR, driven by increasing infectious disease rates and expanding healthcare access.

References

  1. MarketWatch. "Antibiotics Market Size, Share & Industry Trends." 2022.
  2. Global Data. "Topical Antibiotics Market Analysis." 2022.
  3. World Health Organization. "Antimicrobial Resistance Global Report." 2022.
  4. MarketsandMarkets. "Asia-Pacific Antibiotics Market." 2022.
  5. Statista. "Worldwide Antibiotic Market Revenue." 2022.
  6. Pharmaceutical Technology. "Topical Antibiotics Market Insights." 2022.
  7. IQVIA. "Generic Drug Pricing Trends." 2022.
  8. IndustryWeek. "Antibiotic Manufacturing Cost Estimates." 2021.
  9. Deloitte. "Pharmaceutical Profit Margins." 2022.

More… ↓

⤷  Start Trial

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.