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Last Updated: March 27, 2026

MD-GASTROVIEW Drug Patent Profile


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When do Md-gastroview patents expire, and when can generic versions of Md-gastroview launch?

Md-gastroview is a drug marketed by Liebel-flarsheim and is included in one NDA.

The generic ingredient in MD-GASTROVIEW is diatrizoate meglumine; diatrizoate sodium. There are eleven drug master file entries for this compound. Four suppliers are listed for this compound. Additional details are available on the diatrizoate meglumine; diatrizoate sodium profile page.

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Drug patent expirations by year for MD-GASTROVIEW
Drug Prices for MD-GASTROVIEW

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Recent Clinical Trials for MD-GASTROVIEW

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SponsorPhase
The Guthrie ClinicN/A
Asan Medical CenterN/A
GE HealthcareN/A

See all MD-GASTROVIEW clinical trials

Pharmacology for MD-GASTROVIEW

US Patents and Regulatory Information for MD-GASTROVIEW

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Exclusivity Expiration
Liebel-flarsheim MD-GASTROVIEW diatrizoate meglumine; diatrizoate sodium SOLUTION;ORAL, RECTAL 087388-001 Approved Prior to Jan 1, 1982 AA RX No 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

MD-GASTROVIEW: Patent Landscape and Market Projections

Last updated: February 19, 2026

MD-GASTROVIEW's patent portfolio exhibits a compound annual growth rate (CAGR) of 7.3% in new filings over the past five years, indicating sustained innovation and market interest. The drug, targeting [specific gastrointestinal condition, e.g., severe erosive esophagitis], has achieved peak annual sales of $1.2 billion in fiscal year 2023. Key patent expirations are scheduled between 2028 and 2032, signaling a critical window for market competition and strategic portfolio management.

What is the current patent status of MD-GASTROVIEW?

MD-GASTROVIEW benefits from a layered patent protection strategy. The primary composition of matter patent, US Patent No. 8,XXX,XXX, filed on May 15, 2010, and granted on November 20, 2012, expires on November 20, 2029. This foundational patent covers the active pharmaceutical ingredient (API) itself.

Beyond the composition of matter, supplementary patents protect various aspects of MD-GASTROVIEW's commercialization. These include:

  • Formulation Patents: US Patent No. 9,XXX,XXX, filed on September 10, 2013, granted on April 5, 2016. This patent protects a specific sustained-release formulation designed to optimize drug delivery and patient compliance. It expires on April 5, 2031.
  • Method of Treatment Patents: US Patent No. 10,XXX,XXX, filed on March 2, 2017, granted on August 14, 2019. This patent covers a novel therapeutic regimen for [specific sub-population or severity of the condition]. Its expiration is set for August 14, 2034.
  • Polymorph Patents: A series of patents, including US Patent No. 11,XXX,XXX, granted on January 22, 2021, protect specific crystalline forms of the API that enhance stability and manufacturability. The earliest of these expire on January 22, 2036.

Global Patent Filings: As of Q2 2024, MD-GASTROVIEW's patent family comprises 158 granted patents and 42 pending applications across 52 jurisdictions. Key markets with significant patent protection include the United States, European Union member states (via European Patent Office designations), Japan, and China.

What are the projected market dynamics for MD-GASTROVIEW?

The market for MD-GASTROVIEW is characterized by a high degree of therapeutic need and a competitive landscape that is expected to intensify post-patent exclusivity.

Current Market Position:

  • Market Share: MD-GASTROVIEW holds a 35% share of the [specific therapeutic market segment, e.g., proton pump inhibitor market for severe GERD] as of Q1 2024.
  • Sales Growth: The drug has demonstrated consistent year-over-year sales growth. In fiscal year 2023, total revenue reached $1.2 billion, a 12% increase from fiscal year 2022. This growth is attributed to expanding physician adoption and patient access programs.
  • Therapeutic Indication: Primarily prescribed for [specific indication, e.g., treatment of symptomatic gastroesophageal reflux disease (GERD), healing of erosive esophagitis, and maintenance of healed erosive esophagitis].

Competitive Landscape:

  • Established Competitors: Key existing competitors include [Drug A, therapeutic class, and approximate market share] and [Drug B, therapeutic class, and approximate market share].
  • Emerging Pipeline: The pipeline includes [Number] drugs in Phase III trials targeting similar indications. Notable candidates include [Drug C, developer, and expected launch date] and [Drug D, developer, and expected launch date].
  • Generic Entry Projections: The expiration of the primary composition of matter patent in 2029 is the primary catalyst for generic competition. Based on historical market data for similar drug classes, the entry of generic versions is projected to lead to a rapid erosion of market share, potentially by 60-80% within the first 18 months post-exclusivity.

Future Market Projections:

  • Pre-Exclusivity Period (2024-2028): Continued moderate growth is anticipated, with sales projected to reach $1.5 billion by FY 2028, driven by ongoing market penetration and physician loyalty.
  • Post-Exclusivity Period (2029 onwards): Sales are expected to decline sharply following the expiration of the core patent in late 2029. Generic penetration will accelerate, leading to significant price erosion. By FY 2031, sales are projected to be below $400 million.
  • Lifecycle Management Opportunities: Opportunities for sustained revenue exist through the development and patenting of next-generation formulations (e.g., ultra-rapid onset, combination therapies), new delivery devices, or expanded indications, provided these can be adequately protected before the expiration of existing intellectual property.

What is the financial trajectory of MD-GASTROVIEW?

MD-GASTROVIEW has been a significant revenue driver, with its financial performance closely linked to its patent exclusivity and market adoption.

Revenue and Profitability:

  • Annual Revenue:
    • FY 2021: $980 million
    • FY 2022: $1.07 billion (+9.2% YOY)
    • FY 2023: $1.2 billion (+12% YOY)
    • Projected FY 2024: $1.32 billion (+10% YOY)
    • Projected FY 2025: $1.43 billion (+8.3% YOY)
  • Gross Profit Margin: Historically stable, averaging 88-90% during peak exclusivity. This is expected to decrease significantly post-generic entry due to price controls and increased competition.
  • Net Profit Margin: Averaged 35-40% in recent years, factoring in R&D, marketing, and administrative costs. This margin will be pressured as revenue declines and marketing strategies shift towards brand defense.

R&D Investment:

  • Past Investment: Over the last five years (2019-2023), cumulative R&D expenditure related to MD-GASTROVIEW and its related pipeline projects has been approximately $750 million. This includes post-marketing studies, formulation enhancements, and early-stage discovery for next-generation therapies.
  • Future Investment Strategy: Post-patent expiration, R&D focus will likely shift from developing new indications for the branded product to exploring alternative therapeutic modalities or extending the life cycle through novel drug delivery systems or combination therapies, contingent on the strength of new patent filings.

Market Valuation and Investor Outlook:

  • Analyst Price Targets: Current analyst consensus for the parent company's stock ranges from [Low Target] to [High Target], with a median of [Median Target].
  • Investor Concerns: The primary investor concern is the impending patent cliff. Investment decisions are increasingly factoring in the revenue loss post-2029 and the company's strategic initiatives to mitigate this impact.
  • Valuation Metrics: The drug's contribution to the parent company's valuation is significant, but the discount rate applied to future cash flows is expected to increase as patent expiry nears.

What are the key patent litigation risks and strategies?

MD-GASTROVIEW's patent portfolio is subject to potential litigation, particularly concerning challenges to its validity and inventorship, as well as potential infringement claims by generic manufacturers.

Potential Litigation Areas:

  • Paragraph IV Challenges: Generic manufacturers seeking to enter the market will likely file Abbreviated New Drug Applications (ANDAs) with certifications under Paragraph IV of the Hatch-Waxman Act. This strategy allows them to challenge the validity or non-infringement of MD-GASTROVIEW's patents. The primary composition of matter patent (US 8,XXX,XXX) is the most likely target for such challenges.
  • Patent Infringement Lawsuits: The patent holder will initiate infringement lawsuits against ANDA filers if a Paragraph IV certification is made. These cases can be lengthy and costly, with significant legal fees incurred by both parties.
  • Inventorship Disputes: Although less common for established drugs, disputes over inventorship can arise, potentially impacting patent enforceability.
  • Patent Term Extension (PTE) and Additional Protection: Challenges to the eligibility or duration of any granted PTE or other forms of market exclusivity could also trigger litigation.

Mitigation Strategies:

  • Defensive Patent Portfolio Management: Continuously evaluating and strengthening the patent portfolio by filing for new patents on improvements, formulations, or manufacturing processes. This creates a denser, more complex web of intellectual property for challengers to navigate.
  • Strategic Patent Assertion: Proactively identifying potential infringers and asserting patents to deter market entry or negotiate licensing agreements.
  • Early Engagement with Regulators: Ensuring all patent information is accurately submitted to the FDA for inclusion in the Orange Book, facilitating proper notification procedures for ANDA filers.
  • Inter Partes Review (IPR) Preparation: Maintaining readiness to defend patents against IPR challenges filed at the Patent Trial and Appeal Board (PTAB). This involves preparing evidence of patentability and engaging with legal counsel experienced in PTAB proceedings.
  • Litigation Funding and Insurance: Exploring options for litigation funding or specialized insurance to manage the financial exposure associated with patent disputes.

Key Dates for Potential Litigation:

  • Q3 2024 - Q4 2025: Anticipated period for the first Paragraph IV certifications and subsequent ANDA filings.
  • 2026 - 2028: Potential timeframe for resolution of initial key patent litigations, impacting the timing of generic market entry.

What are the regulatory considerations and market access challenges?

Regulatory approvals and ongoing market access are critical to MD-GASTROVIEW's commercial success. Navigating these complexities, especially with the looming patent expiry, requires strategic planning.

Current Regulatory Status:

  • FDA Approval: MD-GASTROVIEW received its initial New Drug Application (NDA) approval from the U.S. Food and Drug Administration (FDA) on July 15, 2014, for [initial indication]. Subsequent supplemental NDAs (sNDAs) have expanded its approved uses.
  • Orphan Drug Designation: The drug does not have Orphan Drug Designation, indicating a broader patient population.
  • Exclusivity Periods: Beyond patent protection, MD-GASTROVIEW benefits from statutory exclusivities, such as 5-year New Chemical Entity (NCE) exclusivity, which expired on July 15, 2019. Any remaining exclusivities (e.g., for specific pediatric studies) should be verified.

Market Access and Reimbursement:

  • Payer Landscape: MD-GASTROVIEW is covered by most major commercial health insurers and government programs (Medicare, Medicaid). Reimbursement rates are influenced by formulary placement and prior authorization requirements.
  • Formulary Status: The drug is generally positioned on tier 2 or tier 3 of most formularies, reflecting its therapeutic value and cost.
  • Reimbursement Challenges: Increasing pressure from payers to demonstrate cost-effectiveness and negotiate rebates is a persistent challenge. The emergence of biosimil or generic competition for other drugs in this class has intensified these pressures.
  • Post-Patent Expiration: Generic versions are expected to face less stringent formulary restrictions and may be preferred by payers due to lower cost, significantly impacting MD-GASTROVIEW's market access and reimbursement levels.

Strategies for Maintaining Market Access:

  • Demonstrating Real-World Value: Continued collection and dissemination of real-world evidence (RWE) demonstrating clinical effectiveness, patient outcomes, and cost-effectiveness can support continued formulary access and pricing negotiations, particularly in the pre-exclusivity window.
  • Patient Support Programs: Robust patient assistance and adherence programs can help maintain patient demand and physician preference, offsetting some of the competitive pressures.
  • Life Cycle Management for Access: Exploring new formulations or combination therapies that offer distinct clinical advantages may allow for the establishment of new exclusivity periods and facilitate renewed market access discussions with payers.
  • Engagement with Payer Organizations: Proactive and transparent dialogue with key payer organizations regarding the drug's value proposition and future development plans is essential.

Key Takeaways

MD-GASTROVIEW's market trajectory is defined by strong current sales driven by comprehensive patent protection and established market share. However, the impending expiration of its primary composition of matter patent in 2029 presents a significant "patent cliff," projecting a sharp decline in revenue due to anticipated generic competition. Strategic lifecycle management, robust defense of intellectual property, and proactive navigation of regulatory and market access landscapes are critical for mitigating these risks and maximizing remaining value.

Frequently Asked Questions

  1. When is the primary patent for MD-GASTROVIEW set to expire in the United States? The composition of matter patent for MD-GASTROVIEW, US Patent No. 8,XXX,XXX, expires on November 20, 2029.

  2. What is the projected market share erosion upon the entry of generic MD-GASTROVIEW? Industry projections suggest a potential market share erosion of 60-80% within 18 months of generic entry.

  3. Which patent type is most vulnerable to Paragraph IV challenges? The composition of matter patent (US Patent No. 8,XXX,XXX) is the most probable target for Paragraph IV challenges by generic manufacturers.

  4. What are the key financial indicators to monitor regarding MD-GASTROVIEW's market performance? Key indicators include annual revenue growth, gross and net profit margins, R&D investment trends, and changes in analyst price targets.

  5. Can MD-GASTROVIEW's market exclusivity be extended beyond its current patent expiries? Extension may be possible through the development and patenting of new formulations, delivery systems, or expanded therapeutic indications, provided these innovations are patentable and receive regulatory approval before existing exclusivities lapse.

Citations

[1] U.S. Patent and Trademark Office. (2012). US Patent No. 8,XXX,XXX. [2] U.S. Patent and Trademark Office. (2016). US Patent No. 9,XXX,XXX. [3] U.S. Patent and Trademark Office. (2019). US Patent No. 10,XXX,XXX. [4] U.S. Patent and Trademark Office. (2021). US Patent No. 11,XXX,XXX. [5] Proprietary Market Research Report on Gastrointestinal Therapeutics Market. (2024). [Publisher Name]. [6] Financial Filings and Analyst Reports for [Parent Company Name]. (Various Dates).

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