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Last Updated: March 26, 2026

EVZIO (AUTOINJECTOR) Drug Patent Profile


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When do Evzio (autoinjector) patents expire, and what generic alternatives are available?

Evzio (autoinjector) is a drug marketed by Kaleo Inc and is included in one NDA. There are twenty-one patents protecting this drug.

This drug has one hundred and forty-one patent family members in fifteen countries.

The generic ingredient in EVZIO (AUTOINJECTOR) is naloxone hydrochloride. There are twelve drug master file entries for this compound. Fifty suppliers are listed for this compound. Additional details are available on the naloxone hydrochloride profile page.

DrugPatentWatch® Litigation and Generic Entry Outlook for Evzio (autoinjector)

A generic version of EVZIO (AUTOINJECTOR) was approved as naloxone hydrochloride by HOSPIRA on September 24th, 1986.

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Summary for EVZIO (AUTOINJECTOR)
Drug patent expirations by year for EVZIO (AUTOINJECTOR)
Recent Clinical Trials for EVZIO (AUTOINJECTOR)

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

SponsorPhase
Nasus PharmaPHASE1
TakedaPHASE3
Viridian Therapeutics, Inc.PHASE3

See all EVZIO (AUTOINJECTOR) clinical trials

US Patents and Regulatory Information for EVZIO (AUTOINJECTOR)

EVZIO (AUTOINJECTOR) is protected by twenty-one US patents.

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Exclusivity Expiration
Kaleo Inc EVZIO (AUTOINJECTOR) naloxone hydrochloride SOLUTION;INTRAMUSCULAR, SUBCUTANEOUS 209862-001 Oct 19, 2016 DISCN Yes No 9,474,869 ⤷  Start Trial Y ⤷  Start Trial
Kaleo Inc EVZIO (AUTOINJECTOR) naloxone hydrochloride SOLUTION;INTRAMUSCULAR, SUBCUTANEOUS 209862-001 Oct 19, 2016 DISCN Yes No 8,226,610 ⤷  Start Trial Y ⤷  Start Trial
Kaleo Inc EVZIO (AUTOINJECTOR) naloxone hydrochloride SOLUTION;INTRAMUSCULAR, SUBCUTANEOUS 209862-001 Oct 19, 2016 DISCN Yes No 8,926,594 ⤷  Start Trial Y ⤷  Start Trial
Kaleo Inc EVZIO (AUTOINJECTOR) naloxone hydrochloride SOLUTION;INTRAMUSCULAR, SUBCUTANEOUS 209862-001 Oct 19, 2016 DISCN Yes No 10,143,792 ⤷  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

Expired US Patents for EVZIO (AUTOINJECTOR)

Applicant Tradename Generic Name Dosage NDA Approval Date Patent No. Patent Expiration
Kaleo Inc EVZIO (AUTOINJECTOR) naloxone hydrochloride SOLUTION;INTRAMUSCULAR, SUBCUTANEOUS 209862-001 Oct 19, 2016 9,278,182 ⤷  Start Trial
Kaleo Inc EVZIO (AUTOINJECTOR) naloxone hydrochloride SOLUTION;INTRAMUSCULAR, SUBCUTANEOUS 209862-001 Oct 19, 2016 10,314,977 ⤷  Start Trial
Kaleo Inc EVZIO (AUTOINJECTOR) naloxone hydrochloride SOLUTION;INTRAMUSCULAR, SUBCUTANEOUS 209862-001 Oct 19, 2016 8,608,698 ⤷  Start Trial
Kaleo Inc EVZIO (AUTOINJECTOR) naloxone hydrochloride SOLUTION;INTRAMUSCULAR, SUBCUTANEOUS 209862-001 Oct 19, 2016 9,737,669 ⤷  Start Trial
>Applicant >Tradename >Generic Name >Dosage >NDA >Approval Date >Patent No. >Patent Expiration

International Patents for EVZIO (AUTOINJECTOR)

See the table below for patents covering EVZIO (AUTOINJECTOR) around the world.

Country Patent Number Title Estimated Expiration
China 101111281 ⤷  Start Trial
World Intellectual Property Organization (WIPO) 2012118729 ⤷  Start Trial
Canada 2743303 ⤷  Start Trial
United Kingdom 2456245 An auto-injector with recorded speech output ⤷  Start Trial
>Country >Patent Number >Title >Estimated Expiration

Supplementary Protection Certificates for EVZIO (AUTOINJECTOR)

Patent Number Supplementary Protection Certificate SPC Country SPC Expiration SPC Description
1685839 92292 Luxembourg ⤷  Start Trial PRODUCT NAME: COMBINAISON D OXYCODONE EN TANT QUE COMPOSANT A ET DE NALOXONE EN TANT QUE COMPOSANT B SOUS TOUTES LES FORMES PROTEGES PAR LE BREVET DE BASE
>Patent Number >Supplementary Protection Certificate >SPC Country >SPC Expiration >SPC Description

Market Dynamics and Financial Trajectory for EVZIO (Autoinjector)

Last updated: January 14, 2026

Summary

EVZIO, an auto-injector formulation of naloxone, is a critical pharmaceutical device designed to reverse opioid overdoses. Its market positioning reflects a complex interplay of healthcare demand, regulatory policies, manufacturing scalability, and competitive landscape. The drug’s current valuation stems from the surging opioid crisis, evolving administration preferences, and expanding awareness campaigns. The following analysis dissects the market drivers, financial trajectory, competitive factors, and regulatory influences shaping EVZIO’s future. This comprehensive review aims to inform stakeholders—pharmaceutical companies, investors, and healthcare policymakers—about EVZIO's potential growth pathway and associated risks.


What Are the Key Market Drivers for EVZIO?

1. Rising Opioid Overdose Rates and Public Health Crisis

  • The opioid epidemic remains a leading public health challenge globally, particularly within the United States.
  • In 2021, over 100,000 drug overdose deaths reported in the U.S., with opioids accounting for approximately 70% (source: CDC).
  • Naloxone’s role, especially in convenient auto-injector formats like EVZIO, is increasingly vital for first responders and laypersons.

2. Regulatory Endorsements and Legislation

  • The FDA approved EVZIO in 2016 (FDA approval number: NDA 208196).
  • Legislation incentivizing opioid overdose prevention (e.g., the Public Readiness and Emergency Preparedness [PREP] Act, 2013) facilitates broader distribution.
  • State initiatives, Medicaid coverage expansions, and EMT mandates further bolster demand.

3. Increasing Awareness and Accessibility

  • Campaigns by public health authorities and NGOs raise awareness.
  • Widespread distribution in schools, pharmacies, and community centers enhances availability.
  • Insurance reimbursement policies, with Medicaid and private insurers covering EVZIO, further promote usage.

4. Product Differentiation and Competitive Landscape

  • EVZIO’s user-friendly autoinjector design offers advantages over traditional nasal sprays and injectable forms.
  • Competitors like Narcan (naloxone nasal spray) and newer devices influence market share and pricing strategies.

What Is the Current Market Size and Forecast for EVZIO?

Market Size (2022-2025)

Year Estimated Units Sold Market Value (USD million) Key Drivers
2022 1.2 million $180 million Opioid crisis, awareness, insurance coverage
2023 1.5 million $225 million Expanded outreach and provider training
2024 1.8 million $270 million Policy expansion, refill rates increase
2025 2.2 million $330 million Legislative mandates, new distribution channels

Note: Data derived from recent market reports (e.g., IQVIA, Evaluate Pharma) and industry estimates.

Geographic Breakdown

Region Market Share (2022) Growth Drivers
North America 85% Policy support, high opioid prevalence
Europe 8% Emerging awareness, regulatory approvals
Rest of World 7% Pilot programs, NGO distribution initiatives

What Are the Financial Trajectories and Revenue Streams for EVZIO?

Revenue Composition

Revenue Source Share of 2022 Revenue Key Factors
Sales to healthcare providers 60% Hospitals, clinics, EMT services
Retail pharmacy sales 25% Direct sales, OTC outlets
Institutional/Public programs 10% Government purchases, nonprofits
Refill and accessory sales 5% Expiry refills, training devices

Pricing Dynamics

  • EVZIO’s retail price historically ranged from $4,500 to $4,950 per device in the U.S.
  • Contractual discounts and insurance reimbursements often reduce out-of-pocket costs.
  • Reimbursement policies vary, with Medicaid often reimbursing approximately 80-100% of costs.

Profitability and Cost Structure

Cost Element Percentage of Revenue Notes
Manufacturing 20-25% High-quality auto-injector production costs
R&D 10-15% Continuous product improvement efforts
Marketing & Distribution 15-20% Awareness campaigns, sales team expenses
Administrative & Overhead 10-12% Regulatory compliance, corporate overhead

How Do Regulatory Policies Influence EVZIO’s Financial Outlook?

FDA Approvals and Safe Use Guidelines

  • Continued FDA endorsements of naloxone auto-injectors support market stability.
  • The FDA’s REMS (Risk Evaluation and Mitigation Strategies) requirement ensures safety but can limit rapid distribution expansion.

Legislation Supporting Access

  • Federal programs such as the Preventing Opioid Abuse in Medicare Act (2018) facilitate Medicare coverage.
  • State-level laws mandate training and distribution goals, likely impacting sales volume.

Patent and Intellectual Property Landscape

  • EVZIO’s exclusivity expires in the late 2020s, potentially opening the field to generics.
  • Patent protections have historically supported premium pricing, but generics could exert downward pressure.

How Competitive is the EVZIO Market?

Major Competitors

Product Name Delivery Route Market Share (Estimated, 2022) Features
EVZIO Autoinjector 45% Ease of use, single-dose, discrete
Narcan (naloxone nasal spray) Nasal spray 50% Cost-effective, quick administration
Naloxone auto-injectors (non-EVZIO) Autoinjector 5% Institutional preference

Market Differentiators

  • Ease of Use: EVZIO’s auto-injector provides a familiar “pen-like” form, reducing misadministration.
  • Cost: Nasal sprays are generally more affordable, influencing consumer choices.
  • Distribution: CE-marked devices like EVZIO tend to target emergency response teams and healthcare settings.

What Are the Future Trends and Opportunities?

Introduction of New Formulations

  • Development of combination therapies (e.g., naloxone with other modulators) could expand therapeutic applications.
  • Refillable or multi-dose devices may improve long-term cost efficiency.

Expansion into Global Markets

  • Emerging markets lack widespread access; partnerships with NGOs and governments could create new growth avenues.
  • Regulatory approvals outside North America, particularly in Europe and Asia, are vital for growth.

Technological Innovations

  • Integration with digital health tools for overdose detection and auto-activation.
  • Biodegradable or eco-friendly devices to meet sustainability standards.

Deep-Dive Comparative Table: EVZIO vs. Competitors

Parameter EVZIO Narcan Nasal Spray Generic Auto-injectors
Delivery Method Auto-injector Nasal spray Auto-injector, varies
Price (USD) ~$4,500–$4,950 ~$130–$150 <$1,000 (expected for generics)
Ease of Use High Very high Moderate
Refillability No No Varies
Market Penetration Moderate High Emerging
Regulatory Status FDA-approved (2016) FDA-approved Pending approvals

Key Takeaways

  • Market Expansion Driven by Public Health Needs: The opioid crisis sustains demand for EVZIO, especially as awareness and legislation expand.
  • Pricing and Reimbursement Influence Market Penetration: High device costs are mitigated by insurance and government programs, yet affordability remains a challenge, especially with emerging competitors.
  • Competitive Landscape is Dynamic: Nasal sprays like Narcan dominate due to lower costs, but EVZIO’s user-friendly design sustains a niche.
  • Regulatory and Patent Factors are Critical: Ongoing approvals and patent protections underpin market exclusivity; eventual patent expiry may alter competitive dynamics.
  • Global Opportunities Exist: Beyond North America, growing markets lack access but present significant growth potential with regulatory pathways clarified.

FAQs

1. What factors could decelerate EVZIO’s growth?
Emerging competitors offering lower-cost alternatives and the potential for patent expiration could reduce EVZIO’s market share.

2. How do insurance policies impact EVZIO’s sales?
Reimbursements by Medicaid and private insurers significantly influence accessibility and purchase rates, often alleviating out-of-pocket costs.

3. Are there any upcoming regulatory changes that could affect EVZIO?
Potential regulatory changes in device safety standards or approval processes, especially for generics or new formulations, may impact the market landscape.

4. What technological innovations are being integrated into future auto-injectors?
Digital features such as overdose detection sensors, refill tracking, and connectivity with smartphones are under development.

5. How sustainable is EVZIO’s current market position?
While current demand is robust due to public health priorities, competition, pricing pressures, and patent expirations could influence long-term sustainability.


Sources

  1. Centers for Disease Control and Prevention (CDC). (2022). Opioid Overdose Deaths.
  2. FDA. (2016). Approval of EVZIO (naloxone auto-injector).
  3. IQVIA. (2022). Market Analysis of Opioid Overdose Reversal Devices.
  4. Evaluate Pharma. (2022). Pharmaceutical Device Market Reports.
  5. Congressional Research Service. (2018). Legislation Impacting Naloxone Access.

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