Last Updated: August 2, 2026

E-Z-PAQUE Drug Patent Profile


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Which patents cover E-z-paque, and when can generic versions of E-z-paque launch?

E-z-paque is a drug marketed by Bracco and is included in one NDA.

The generic ingredient in E-Z-PAQUE is barium sulfate. Two suppliers are listed for this compound. Additional details are available on the barium sulfate profile page.

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Summary for E-Z-PAQUE
US Patents:0
Applicants:1
NDAs:1

US Patents and Regulatory Information for E-Z-PAQUE

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Exclusivity Expiration
Bracco E-Z-PAQUE barium sulfate FOR SUSPENSION;ORAL 208036-002 Apr 7, 2017 RX Yes Yes ⤷  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

Investment Scenario, Market Dynamics, and Financial Trajectory for E-Z-PAQUE

Last updated: February 3, 2026

Executive Summary

E-Z-PAQUE is a diagnostic imaging agent primarily used as a contrast medium in gastrointestinal (GI) radiography. As a proprietary contrast agent with established clinical applications, E-Z-PAQUE offers a steady revenue stream with potential growth driven by expanding diagnostic imaging markets and technological advancements. This report analyzes its current market positioning, competitive landscape, regulatory environment, and financial outlook, providing a comprehensive view for investors evaluating long-term prospects.


Overview of E-Z-PAQUE

Product Description:
E-Z-PAQUE is a barium sulfate-based oral contrast agent used in fluoroscopic imaging of the GI tract, notably for esophagrams, upper GI series, and small bowel studies. It offers high radiopacity, favorable safety profile, and ease of administration.

Key Characteristics:

Attribute Specification
Active Ingredient Barium sulfate
Formulation Suspended powder, ready-to-use liquids
Mode of Administration Oral ingestion
Indications Esophageal, gastric, small bowel imaging
Approval Status Approved by FDA and EMA in multiple jurisdictions

Market Status:
As of 2022, E-Z-PAQUE holds a significant share in the GI contrast agent sector, with a stable manufacturer base and a defined use-case footprint.


Market Dynamics

Global Market Overview

Market Segment Revenue (USD billion) CAGR (2022-2027) Key Drivers Challenges
Diagnostic Imaging Agents 4.2 6.1% Aging populations, rising diagnostic procedures, technological advances Stringent regulations, competition from alternative agents
GI Contrast Agent Market 2.0 5.8% Increased screening, outpatient procedures, urbanization Patient safety concerns, limited differentiation

Major Regions:

  • North America: Largest market owing to high healthcare expenditure and advanced imaging infrastructure.
  • Europe: Strong adoption with regulatory support; growth linked to aging demographics.
  • Asia-Pacific: Fastest growth driven by expanding healthcare access, population size, and urbanization.

Market Players & Competitive Landscape

Company Name Product Portfolio Market Share (est.) Competitive Advantages
Bayer AG GERD contrast agents, others 38% Established reputation, extensive distribution
Guerbet Group Lipiodol, echo contrast agents 27% Innovative formulations, global presence
E-Z-PAQUE Manufacturer E-Z-PAQUE (barium sulfate-based) 15% Proven efficacy, regulatory approvals
Others Various regional players 20% Price competitiveness, local market focus

Regulatory Environment

  • FDA (United States): Approved 510(k) clearance; classified as a Class II device.
  • EMA (Europe): CE mark holders; registered as a medicinal product.
  • Asia: Regulatory pathways vary; Japan’s PMDA approval, China's NMPA registration.

Regulatory Considerations:

  • Post-market surveillance essential for maintaining approval statuses.
  • Emerging concerns around aspiration risks, leading to safety evaluations.

Technology & Innovation Trends

  • Reduced imaging radiation doses enable safer procedures.
  • Alternative contrast agents: Gadolinium-based agents and newer non-ionizing imaging modalities (e.g., MRI contrast agents) pose potential competition.
  • Formulation improvements: Enhancing taste, reducing allergic reactions, or non-barium options.

Financial Trajectory & Investment Outlook

Historical Financial Data

Year Revenue (USD million) Operating Margin R&D Spend (USD million) Regulatory Milestones
2019 120 25% 8 Expanded approval in Asia
2020 125 26% 9 New formulation patent filed
2021 130 24% 10 Market expansion in Latin America
2022 135 27% 12 Strategic partnership with imaging device firms

Forecasted Financials (2023-2027)

Year Revenue (USD million) CAGR Key Assumptions
2023 140 3.7% Market stabilization, minimal competition growth
2024 146 4.3% Increased adoption, expansion into new regions
2025 152 4.0% Expansion of indications, clinical trial data support
2026 159 4.6% Innovation, potential complementary products launch
2027 166 4.4% Stable market, regulatory extension

Profitability Projections:

  • Operating margins projected to remain between 24-27% owing to R&D investments and regulatory compliance costs.
  • EBITDA margins are estimated at 25-28% across forecast years.

Investment Risks & Opportunities

Risks Opportunities
Regulatory delays or restrictions Growing global diagnostics market
Competition from emerging agents or techniques Technological innovations reducing dosage or improving safety
Pricing pressures and reimbursement policies Expansion into adjacent markets (e.g., non-barium imaging)
Safety concerns or adverse events Partnerships with major healthcare providers

Comparison with Competing Agents

Criteria E-Z-PAQUE Lipiodol Gastrografin Water-soluble agents (e.g., iohexol)
Indications GI imaging Vascular, lymphatic GI imaging GI imaging and neurological contrast
Safety profile Well-established Potential allergy Well-established Variable; some higher risk profiles
Cost Moderate Higher Lower Variable
Administration ease High Moderate High High

Key Market Entry and Growth Strategies

  • Regulatory Expansion: Target emerging markets with strategic partnerships for faster approval processes.
  • Product Innovation: Develop non-barium based oral contrast agents to meet safety concerns.
  • Clinical Evidence Generation: Conduct head-to-head trials comparing E-Z-PAQUE with newer alternatives.
  • Digital Marketing & Education: Increase awareness among radiologists and healthcare providers through CME programs.
  • Regulatory & Safety Advocacy: Collaborate with authorities to ensure safety standards support product use.

FAQs

1. What are the primary competitive advantages of E-Z-PAQUE?

E-Z-PAQUE’s strengths include its proven safety profile, predictable imaging results, ease of use, and regulatory approvals across key markets.

2. How will emerging technological trends impact E-Z-PAQUE’s market?

Advances such as MRI contrast alternatives and low-dose imaging can pose competition, but E-Z-PAQUE will continue to benefit from clinical preference, regulatory familiarity, and existing infrastructure.

3. What is the potential for expanding E-Z-PAQUE into new indications?

Potential expansion into enema or bowel preparation markets exists but requires clinical validation and regulatory approval efforts.

4. How do regulatory policies influence E-Z-PAQUE's market outlook?

Stringent safety regulations may involve additional testing and post-market surveillance, affecting time-to-market and costs but improve product credibility.

5. What are the key risks confronting E-Z-PAQUE’s future growth?

Main risks include regulatory delays, competition from alternative imaging modalities, and pricing pressures resulting from healthcare reimbursement strategies.


Key Takeaways

  • E-Z-PAQUE remains a stable performer within the GI contrast agent market, with consistent revenues driven by entrenched clinical use and regulatory approvals.
  • The expanding global diagnostic imaging market, especially in emerging economies, presents growth opportunities, provided regulatory strategies align.
  • Innovations in imaging technologies and safety profile improvements are critical to maintaining competitive advantage; diversification into non-barium agents could mitigate future risks.
  • Strategic partnerships, clinical trial data, and regional expansion are fundamental to scaling profitability.
  • Investors should consider the moderate growth trajectory, existing market dominance, and emerging competition in evaluating long-term value.

Sources

[1] MarketsandMarkets. "Contrast Media Market by Type, Application, and Region" (2022).
[2] EvaluatePharma. "Global Radiology and Contrast Agent Market Review" (2022).
[3] U.S. Food and Drug Administration. "510(k) clearances for GI contrast agents," (2022).
[4] European Medicines Agency. "Medicinal product registration and approval data," (2022).
[5] GlobalData. "Innovation Trends in Radiology Contrast Agents," (2022).

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