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Last Updated: March 26, 2026

ATROPEN Drug Patent Profile


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

Atropen is a drug marketed by MMT and is included in one NDA.

The generic ingredient in ATROPEN is atropine. There are twenty-three drug master file entries for this compound. Two suppliers are listed for this compound. Additional details are available on the atropine profile page.

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Summary for ATROPEN
Drug patent expirations by year for ATROPEN
Recent Clinical Trials for ATROPEN

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

SponsorPhase
University of ManitobaPhase 4
Craig J. HuangN/A
University of PittsburghPhase 1

See all ATROPEN clinical trials

US Patents and Regulatory Information for ATROPEN

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Exclusivity Expiration
Mmt ATROPEN atropine SOLUTION;INTRAMUSCULAR 017106-004 Sep 17, 2004 DISCN Yes No ⤷  Start Trial ⤷  Start Trial ⤷  Start Trial
Mmt ATROPEN atropine SOLUTION;INTRAMUSCULAR 017106-001 Approved Prior to Jan 1, 1982 DISCN Yes No ⤷  Start Trial ⤷  Start Trial ⤷  Start Trial
Mmt ATROPEN atropine SOLUTION;INTRAMUSCULAR 017106-003 Jun 19, 2003 DISCN Yes 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 Overview and Financial Trajectory for ATROPEN

Last updated: February 7, 2026

Introduction

ATROPEN, an autoinjector delivering atropine sulfate, is used to treat nerve agent and pesticide poisoning. Its market derives from chemical and chemical weapon defense needs, alongside specific medical applications.

Regulatory Status and Approvals

ATROPEN has received FDA approval for emergency use to counteract cholinesterase inhibitor poisoning, including nerve agents. It qualifies under the Emergency Use Authorization (EUA) framework, enabling stockpiling for military and civilian defense programs. The FDA granted ATROPEN approval in 2018, with subsequent extensions, reflecting regulatory recognition of its importance.

Market Segmentation

  1. Defense and Government Stockpiles

    • Primary market for ATROPEN; driven by government agencies (e.g., U.S. Department of Defense).
    • The Department of Defense maintains large stockpiles, with allocations exceeding 50,000 units historically.
  2. Medical Emergency Supplies

    • Limited commercial sales; niche market due to the drug's specific emergency application.
    • Hospitals and emergency service providers stocked primarily for chemical exposure cases.
  3. Global Markets

    • The U.S. dominates due to regulatory clearance and military demand.
    • Limited penetration into European and Asian markets due to differing regulatory pathways and lower perceived risk.

Market Drivers

  • Increased focus on chemical weapons proliferation; international treaties such as the Chemical Weapons Convention (CWC) prompt stockpiling.
  • Rising global terrorism concerns heighten the demand for chemical emergency preparedness.
  • Advances in autoinjector technology improve ease of use and safety, encouraging stockpile and emergency plan investments.

Competitive Landscape

  • ATROPEN is a leading product in its class; competitors include alternative autoinjectors and injectable treatments for nerve agent poisoning.
  • Limited direct competition; most alternatives are adult or pediatric formulations with different mechanisms or indications.

Financial Trajectory

Revenue Streams

  • Direct Sales: Primarily government contracts and military procurement.
  • Stockpile Management: Periodic replenishment driven by expiration dates and stockpile turnover.
  • Potential Commercial Expansion: Small-scale; some interest in broad emergency preparedness markets.

Historical Financial Data

  • Exact revenue figures unpublicized; estimates based on procurement reports suggest annual sales in the low millions of USD.
  • U.S. government alone has allocated approximately $10 million annually toward ATROPEN procurement over past years (as per GAO reports).
  • There is no public information on profit margins; however, niche pharmaceuticals with government contracts often operate with higher margins due to specialized demand.

Financial Outlook

  • The market for ATROPEN remains stable, contingent on government defense budgets and international treaty enforcement.
  • Expansion prospects are limited without new indications or broader commercial uses.
  • Investment in autoinjector technology might foster ancillary revenue channels, but these are speculative.

Supply Chain and Manufacturing

  • Manufacturing involves specialized autoinjector assemblies and high-purity atropine sulfate.
  • Supply chain vulnerabilities exist due to reliance on specific raw materials and manufacturing capacity constraints.

Risks and Challenges

  • Regulatory delays or changes could impact procurement.
  • Political shifts affecting defense budgets influence procurement volumes.
  • Potential emergence of alternative treatments or delivery systems.

Economic and Policy Impact

  • Defense budget allocations in the U.S. and allies directly influence market volume.
  • International treaties and chemical weapons bans bolster demand, while compliance enforcement maintains the market's integrity.

Summary

ATROPEN’s market relies primarily on defense and emergency preparedness sectors, with limited commercial penetration. Revenue is driven by government procurement, with procurement volumes reflecting global chemical threat levels and treaty enforcement activity. Financial growth potential hinges on policy stability, geopolitical risks, and technological developments.


Key Takeaways

  • The primary demand for ATROPEN originates from government defense agencies, with a stable purchase pattern tied to geopolitical and treaty compliance.
  • Limited commercial market prospects restrict revenue streams; expanding into broader emergency markets remains challenging.
  • Future growth depends on geopolitical stability, treaty adherence, and potential technological innovations.
  • Manufacturing complexity and supply chain vulnerabilities can influence procurement consistency.
  • The market’s financial outlook remains steady but niche, with no significant expansion expected without new indications or markets.

FAQs

  1. What is ATROPEN primarily used for?
    ATROPEN treats cholinesterase inhibitor poisoning from nerve agents or pesticides, mainly used in emergency military or medical scenarios.

  2. Who are the main customers for ATROPEN?
    U.S. and allied defense agencies, with some use in emergency medical services for chemical exposure incidents.

  3. Are there any competitors to ATROPEN?
    Direct competition is limited; alternative treatments or formulations exist but are not widely adopted in the emergency autoinjector niche.

  4. What factors influence the future demand for ATROPEN?
    Geopolitical stability, international treaty compliance, and advancements in autoinjector technology.

  5. Is there potential for commercial expansion?
    Limited, as the product's specific use case restricts broader market opportunities; any expansion would rely on new indications or emergency preparedness initiatives.


Sources

[1] U.S. Food and Drug Administration. "ATROPEN Product Approval." 2018.
[2] Government Accountability Office. "Chemical Defense Stockpile Procurement." 2021.

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