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Last Updated: March 27, 2026

LIQUID E-Z-PAQUE Drug Patent Profile


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When do Liquid E-z-paque patents expire, and when can generic versions of Liquid E-z-paque launch?

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

The generic ingredient in LIQUID 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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Drug patent expirations by year for LIQUID E-Z-PAQUE
Recent Clinical Trials for LIQUID E-Z-PAQUE

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

SponsorPhase
Gary Van GuilderEARLY_PHASE1
Rutgers, The State University of New JerseyPHASE1
Sakarya UniversityNA

See all LIQUID E-Z-PAQUE clinical trials

Pharmacology for LIQUID E-Z-PAQUE

US Patents and Regulatory Information for LIQUID 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 LIQUID E-Z-PAQUE barium sulfate SUSPENSION;ORAL 208143-003 Mar 1, 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

Market Dynamics and Financial Trajectory for LIQUID E-Z-PAQUE

Last updated: February 10, 2026

Market Penetration and Usage Context

LIQUID E-Z-PAQUE, produced by Bayer Healthcare, is a barium sulfate-based contrast agent used primarily for gastrointestinal imaging procedures such as fluoroscopy and X-ray examinations. The medication's ease of administration, designed for oral use, makes it a preferred choice in radiology departments where quick, reliable imaging of the digestive tract is necessary.

While the global market for gastrointestinal contrast agents is growing, LIQUID E-Z-PAQUE competes against other formulations like barium sulfate powders and alternative contrast agents such as iohexol. Its market share is influenced by factors like diagnostic accuracy, patient safety profile, and ease of use.

Market Size and Growth Factors

The global gastrointestinal contrast agent market was valued at approximately USD 650 million in 2021 and is projected to grow at a compound annual growth rate (CAGR) of 4.5% through 2028, reaching around USD 900 million ([1]). Key drivers include increasing prevalence of gastrointestinal diseases, aging populations, and rising demand for non-invasive diagnostic procedures.

LIQUID E-Z-PAQUE's US market is the largest, driven by high adoption rates in hospitals and outpatient imaging centers. Expansion into emerging markets depends on regulatory approvals, healthcare infrastructure development, and local competitive dynamics.

Competitive Landscape

Major competitors include:

  • Bracco Diagnostics' Barium products
  • Guerbet's Gastrografin
  • Generic barium sulfate formulations

Bayer's differentiation points are product reliability, brand recognition, and established clinical efficacy. However, generic competition puts pressure on pricing and market share.

Pricing and Reimbursement Trends

In the US, contrast agents like LIQUID E-Z-PAQUE are reimbursed under Medicare and private insurance schemes with fees ranging between USD 50 and USD 150 per administration depending on facility type and insurance plan. Reimbursement policies influence hospital procurement decisions, favoring cost-effective and reimbursable products.

In Europe and Asia, reimbursement policies vary significantly, influencing sales volumes. Bayer monitors these policies closely to optimize market access strategies.

Regulatory Environment and Approvals

LIQUID E-Z-PAQUE, approved by the FDA in the US in the early 2000s, remains compliant with international standards like CE marking in the European Union and approvals from agencies in China, Japan, and other countries. Changes in regulatory policies, especially concerning safety and manufacturing standards, affect market access and potential product modifications.

Financial Trajectory Analysis

While Bayer does not publicly break out sales figures for LIQUID E-Z-PAQUE, its contribution can be inferred from Bayer's Diagnostic Imaging segment, which posted approximately USD 1.2 billion in revenues in 2022 ([2]). Contrast agents constitute a stable, though mature, component within this segment.

Market valuation suggests steady cash flows, with projected revenue growth aligned with overall contrast agent market trends. Patent protections for early formulations have expired, leading to increased generic competition; however, brand loyalty and clinical preference sustain sales.

Recent product innovations, such as improved formulations with better patient tolerability, could provide incremental revenue opportunities. Bayer is also exploring digital and AI-driven imaging solutions to complement contrast agent use, potentially boosting long-term sales.

Key Factors Influencing Financial Outlook

  • Market Growth: CAGR of 4.5% through 2028
  • Pricing Trends: Slight downward pressure due to generic competition
  • Regulatory Changes: Impact on market access and potential product reformulations
  • Competitive Dynamics: Ongoing competition from generics and alternative imaging modalities
  • Healthcare Infrastructure: Market expansion in emerging markets depends on healthcare investments

Conclusion

LIQUID E-Z-PAQUE maintains a stable position within the gastrointestinal contrast agent market. Growth prospects hinge on regional expansion, competitive pricing, and product innovation. The segment's stability offers predictable revenue streams, but increased competition and regulatory challenges may moderate growth.


Key Takeaways

  • LIQUID E-Z-PAQUE operates in a growing market driven by medical imaging demand.
  • It faces significant competition from generics and alternative contrast formulations.
  • US reimbursement policies and healthcare infrastructure influence sales.
  • Patent expirations have increased generic competition, impacting pricing.
  • Market expansion depends on regulatory approvals and technological integration.

FAQs

  1. What is the primary use of LIQUID E-Z-PAQUE?
    It is used as a contrast agent in gastrointestinal imaging procedures to visualize the digestive tract during X-ray exams.

  2. How does Bayer's market share compare to competitors?
    Exact figures are proprietary, but the product holds a significant share in the US due to brand recognition and clinical trust; global share is moderate, with competition from generics.

  3. What are the main barriers to growth for LIQUID E-Z-PAQUE?
    Patent expiration leading to generic competition, reimbursement policy variations, and emerging alternative imaging technologies.

  4. Are there regulatory risks affecting LIQUID E-Z-PAQUE?
    Yes. Changes in safety standards, approval requirements, or restrictions on contrast agents can influence market access and sales.

  5. What future innovations could impact the financial trajectory of LIQUID E-Z-PAQUE?
    Improvements in formulation for patient tolerability, digital imaging integration, and expansion into emerging markets.


References

[1] MarketWatch, “Gastrointestinal Contrast Media Market Size & Trends,” 2022.

[2] Bayer Annual Report 2022.

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