Last Updated: May 3, 2026

CONRAY 43 Drug Patent Profile


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Which patents cover Conray 43, and when can generic versions of Conray 43 launch?

Conray 43 is a drug marketed by Liebel-flarsheim and is included in one NDA.

The generic ingredient in CONRAY 43 is iothalamate meglumine. There is one drug master file entry for this compound. One supplier is listed for this compound. Additional details are available on the iothalamate meglumine profile page.

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Summary for CONRAY 43
US Patents:0
Applicants:1
NDAs:1

US Patents and Regulatory Information for CONRAY 43

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Exclusivity Expiration
Liebel-flarsheim CONRAY 43 iothalamate meglumine INJECTABLE;INJECTION 013295-002 Approved Prior to Jan 1, 1982 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

Investment Scenario and Fundamentals Analysis for Conray 43

Last updated: February 20, 2026

What Is Conray 43?

Conray 43 is a low-osmolar iodinated contrast agent primarily used for X-ray and computed tomography (CT) imaging. Its formulation is based on meglumine diatrizoate, a contrast medium that enhances image clarity.

Market Overview

The global contrast media market was valued at approximately USD 4.1 billion in 2022, with an expected compound annual growth rate (CAGR) of 5.1% from 2023 to 2030.[1] Factors driving this growth include increasing imaging procedures, rising prevalence of chronic diseases, and technological advancement in diagnostic imaging.

Key Product Metrics

  • Active Ingredient: Meglumine diatrizoate
  • Formulation: 43% iodine concentration (hence the name)
  • Indications: Angiography, urography, CT scans
  • Administration Routes: Intravenous, intra-arterial

Competitive Landscape

Major competitors for contrast agents include Bayer's Ultravist, GE Healthcare's Omnipaque, and Bracco's Visipaque. Conray 43’s market share remains modest due to its age and the dominance of newer, lower-osmolar agents.

Development and Regulatory Status

Conray 43 has historically held FDA approval, but recent regulatory trends favor lower-osmolar, iso-osmolar agents with better safety profiles. The drug’s patent has expired, opening pathways for generics.

Investment Considerations

  1. Market Penetration & Growth: Conray 43 has limited growth prospects due to competition from newer agents with reduced adverse effects. Its current market share is below 5%, according to recent industry reports.[2]

  2. Patent and Regulatory Status: Expired patents allow generics, decreasing potential profitability. Regulatory pressures push for formulations with improved safety profiles.

  3. R&D and Lifecycle Management: No recent reformulations or pipeline development are reported, limiting future revenue streams.

  4. Pricing and Reimbursement: Price competition is intense. Payer policies increasingly favor cost-effective, newer contrast agents.

  5. Supply Chain & Manufacturing: Established manufacturing infrastructure exists, with no reported disruptions.

  6. Pipeline and Complementary Opportunities: Opportunities are limited unless reformulation or new indications are explored, both of which involve significant R&D investment.

Financial Outlook

Given the mature status of Conray 43, future revenue depends on:

  • Market decline trends.
  • Entry of generic versions reducing prices.
  • Volume-based sales driven by increased imaging procedures.

Expected revenue decline aligns with market share erosion, compounded by regulatory and safety considerations favoring newer contrast agents.

Risks

  • Market Share Erosion: Dominance of lower-osmolar agents.
  • Regulatory Shifts: Increasing mandates for safety improvements.
  • Pricing Pressure: Growing generic competition.
  • Technological Obsolescence: Obsolete formulation compared to newer agents.

Strategic Recommendations

  • Focus on reformulation to improve safety profile.
  • Explore licensing or partnership options for pipeline products.
  • Invest in differentiated imaging contrast agents with superior safety or specificity.

Key Takeaways

Conray 43 exhibits limited immediate growth prospects. Its status as an older formulation with patent expiration and competition from newer contrast media diminishes its valuation potential. Investment decisions should consider the declining market share, regulatory environment favoring safer agents, and limited pipeline development. A focus on lifecycle extension or formulation innovation is essential for any future upside.

FAQs

  1. What is the primary safety concern associated with Conray 43?
    It has a higher osmolarity compared to newer contrast agents, increasing the risk of adverse reactions, especially in sensitive patient populations.

  2. Are there ongoing efforts to reformulate Conray 43?
    No public reports indicate active reformulation efforts. Industry trends favor iso-osmolar, low-osmolar agents.

  3. How does Conray 43 compare to newer contrast agents in efficacy?
    It provides comparable imaging quality but has a less favorable safety profile.

  4. What is the impact of generics on Conray 43’s market?
    Patent expiration has facilitated generic entry, driving prices down and reducing profitability.

  5. What alternative investment opportunities exist within contrast media?
    Investments in newer, safer contrast agents or companies developing targeted imaging solutions present higher growth prospects.


References

[1] MarketsandMarkets. (2023). Contrast media market report.
[2] FDA. (2022). Annual drug approval and patent status reports.
[3] Industry Reports. (2023). Diagnostic imaging contrast media market analysis.

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