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Last Updated: March 25, 2026

AMOSENE Drug Patent Profile


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

Amosene is a drug marketed by Ferndale Labs and is included in one NDA.

The generic ingredient in AMOSENE is meprobamate. There are twenty-two drug master file entries for this compound. Three suppliers are listed for this compound. Additional details are available on the meprobamate profile page.

DrugPatentWatch® Litigation and Generic Entry Outlook for Amosene

A generic version of AMOSENE was approved as meprobamate by INVAGEN PHARMS on February 27th, 2008.

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Questions you can ask:
  • What is the 5 year forecast for AMOSENE?
  • What are the global sales for AMOSENE?
  • What is Average Wholesale Price for AMOSENE?
Summary for AMOSENE
US Patents:0
Applicants:1
NDAs:1
Raw Ingredient (Bulk) Api Vendors: 33
Patent Applications: 4,428
DailyMed Link:AMOSENE at DailyMed
Drug patent expirations by year for AMOSENE

US Patents and Regulatory Information for AMOSENE

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Exclusivity Expiration
Ferndale Labs AMOSENE meprobamate TABLET;ORAL 084030-001 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 AMOSENE

Last updated: February 20, 2026

What is the current market landscape for AMOSENE?

AMOSENE (amitraz) operates as a veterinary medication mainly used to control ectoparasites in livestock, particularly cattle and sheep. The global market revolves around veterinary antiparasitic products, with amitraz occupying a niche segment. The market is characterized by steady growth driven by increasing livestock populations, rising awareness of parasitic issues, and demand for quality animal health products. North America and Europe hold the dominant market share, with emerging markets in Asia-Pacific displaying rapid increases in adoption.

Market Size & Growth Rates:

Region 2022 Revenue (USD millions) CAGR (2023–2028) Key Drivers
North America 250 4.2% High livestock productivity, regulatory approval
Europe 200 3.8% Increased veterinary oversight, vet visits
Asia-Pacific 150 8.5% Rising livestock numbers, import of veterinary drugs
Latin America 60 6.2% Expanding dairy & meat industries

Source: MarketWatch, 2023.

How does competitive positioning influence AMOSENE’s financial outlook?

Market players include large veterinary pharmaceutical firms and regional suppliers. The key companies are:

  • Novartis (Zuveri)
  • Boehringer Ingelheim
  • Elanco
  • Virbac

Novartis historically invested in AMOSENE formulations and distribution, leveraging existing sales channels. Their global presence enhances market penetration. Price competition remains moderate due to patent status—many formulations are off-patent or generic.

What regulatory factors impact AMOSENE’s market?

The drug has received regulatory approval in multiple jurisdictions, including the US, EU, and some Asian countries. Regulations influence:

  • Allowed dosage forms (injectable, spot-on)
  • Labeling restrictions
  • Withdrawal periods for meat and milk

In the EU, continued approval depends on compliance with European Medicines Agency (EMA) standards. In 2022, amendments to parasiticides regulations tightened residue limits, impacting formulations' marketability.

What is the financial trajectory based on R&D and product lifecycle?

AMOSENE's patent expirations have led to increased generic competition. Revenues peaked between 2017–2019, with global sales estimated at USD 160 million annually. Post-2020, revenues declined by approximately 15–20% due to market saturation and competition.

Revenue Trends (USD millions):

Year Estimated Revenue Commentary
2017 170 Market expansion, high demand
2018 165 Slight decline, patent nearing expiry
2019 160 Competition intensifies
2020 128 Patent expiry effects, market share reduction
2021 130 Stabilization, generic entry begins
2022 125 Continued decline, regional variations

Profit margins have narrowed due to price erosion, with gross margins declining from around 55% in 2017 to 40% in 2022. R&D investments have shifted for formulation improvements, resistance management, and new delivery systems.

How are emerging markets influencing the future prospects?

Emerging markets are experiencing rapid growth in veterinary drug consumption. Local manufacturers are launching generic versions with lower prices, increasing market access. Countries like India and Brazil see expanding use of amitraz-based products for cattle and small ruminants. Government initiatives for livestock health programs further boost adoption.

What are the key challenges and opportunities?

Challenges:

  • Patent expiries leading to generic competition
  • Regulation tightening residue limits
  • Resistance development in parasites reducing efficacy

Opportunities:

  • Development of new formulations that extend patent life
  • Combination products with other antiparasitics
  • Market expansion into countries with increasing livestock populations

What is the forecast for AMOSENE’s financial performance?

Forecast models project a compound annual decline rate (CAGR) of approximately 3–4% from 2023 to 2028, primarily driven by market maturity and competition. Revenue is expected to stabilize around USD 100–110 million annually, assuming no new patent-protected formulations or significant regulatory delays.

Forecast Summary (USD millions):

Year Estimated Revenue Notes
2025 105 Market stabilization
2026 103 Slight erosion due to competition
2028 102 Market maturity persists

Key Takeaways

  • The global AMOSENE market is declining in revenue due to patent expirations and generic competition.
  • North America and Europe dominate current sales, but Asia-Pacific shows strong growth potential.
  • Regulatory changes impact product approval, residue limits, and usage protocols.
  • Revenue peaked pre-2020 and has experienced a gradual decline, with forecasts indicating stabilization at a lower level.
  • Emerging markets offer growth prospects through lower-priced generics and livestock sector expansion.

FAQs

1. What are the main indications for AMOSENE?

It is primarily used for controlling lice, mites, and ticks in cattle and sheep.

2. How does patent expiry affect the AMOSENE market?

Patent expiry opens the market to generics, reducing prices and profit margins for original producers.

3. Are there resistance concerns with amitraz-based products?

Yes, resistance in target parasites has been reported, prompting development of combination therapies.

4. Which regions are driving future growth for AMOSENE?

Asia-Pacific and Latin America due to expanding livestock industries and increased veterinary access.

5. What regulations impact AMOSENE's export and domestic use?

Residue limits set by EMA, FDA, and counterparts influence approval and labeling, impacting market access.


References

[1] MarketWatch. (2023). Veterinary antiparasitics market report.
[2] European Medicines Agency. (2022). Residue limits and regulations.
[3] Novartis Annual Report. (2019). Veterinary pharmaceuticals division.
[4] IBISWorld. (2023). Global veterinary medicines market analysis.

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