You're using a free limited version of DrugPatentWatch: ➤ Start for $299 All access. No Commitment.

Last Updated: January 1, 2026

IMDUR Drug Patent Profile


✉ Email this page to a colleague

« Back to Dashboard


When do Imdur patents expire, and when can generic versions of Imdur launch?

Imdur is a drug marketed by Schering Plough and is included in one NDA.

The generic ingredient in IMDUR is isosorbide mononitrate. There are thirty-seven drug master file entries for this compound. Twenty-two suppliers are listed for this compound. Additional details are available on the isosorbide mononitrate profile page.

AI Deep Research
Questions you can ask:
  • What is the 5 year forecast for IMDUR?
  • What are the global sales for IMDUR?
  • What is Average Wholesale Price for IMDUR?
Summary for IMDUR
US Patents:0
Applicants:1
NDAs:1
Raw Ingredient (Bulk) Api Vendors: 62
Patent Applications: 2,727
DailyMed Link:IMDUR at DailyMed
Drug patent expirations by year for IMDUR

US Patents and Regulatory Information for IMDUR

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Exclusivity Expiration
Schering Plough IMDUR isosorbide mononitrate TABLET, EXTENDED RELEASE;ORAL 020225-001 Aug 12, 1993 DISCN Yes No ⤷  Get Started Free ⤷  Get Started Free ⤷  Get Started Free
Schering Plough IMDUR isosorbide mononitrate TABLET, EXTENDED RELEASE;ORAL 020225-002 Aug 12, 1993 DISCN Yes No ⤷  Get Started Free ⤷  Get Started Free ⤷  Get Started Free
Schering Plough IMDUR isosorbide mononitrate TABLET, EXTENDED RELEASE;ORAL 020225-003 Mar 30, 1995 DISCN Yes No ⤷  Get Started Free ⤷  Get Started Free ⤷  Get Started Free
>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 IMDUR (Isosorbide Mononitrate)

Last updated: July 31, 2025


Introduction

IMDUR, a sustained-release formulation of isosorbide mononitrate, plays a prominent role in cardiovascular therapeutics, particularly in angina pectoris management. Since its initial approval, IMDUR has witnessed evolving market dynamics influenced by clinical advances, regulatory pathways, competitive landscape, and shifting healthcare budgets. This analysis explores the current market trajectory and future financial outlook of IMDUR, providing an invaluable resource for stakeholders assessing investment, licensing, or market entry strategies.


Pharmacological Profile and Therapeutic Significance

IMDUR delivers nitrates with extended duration, leading to improved patient adherence and sustained symptom control, which contributes to its clinical value [1]. Its primary mechanism involves vasodilation through nitric oxide pathways, easing myocardial oxygen demand. Cardiology guidelines endorse its usage, sustaining its demand among clinicians, especially as adjunct therapy for chronic angina. As a result, IMDUR retains a stable, though specialized, market segment within antianginal agents.


Market Size and Current Adoption

The global antianginal drugs market was valued at approximately USD 1.7 billion in 2022, with sustained-release nitrates representing a sizable share [2]. IMDUR’s adoption is pronounced in developed markets like North America and Europe, driven by established healthcare infrastructure and prescribing inertia. In contrast, emerging markets show lower penetration due to pricing barriers and limited local manufacturing. As the global cardiovascular disease burden persists, the demand for effective angina management drugs like IMDUR remains steady.


Market Drivers

  1. Patient Compliance and Formulation Advantages
    IMDUR’s extended-release profile enhances adherence compared to short-acting nitrates, a significant factor in chronic disease management. The convenience factor supports its continued use, especially within age groups prone to compliance issues.

  2. Clinical Evidence and Guideline Endorsement
    Multiple clinical trials affirm the efficacy and safety of IMDUR, reinforcing its position in standard treatment protocols [3]. Regulatory endorsement as an approved, effective therapy sustains its market presence.

  3. Pipeline Innovations and Formulation Developments
    Advances in drug delivery, such as transdermal patches and combination therapies, influence demand patterns but have yet to eclipse IMDUR’s niche, maintaining its relevance.


Market Challenges

  1. Generic Competition and Price Erosion
    As patent protections lapse in key markets, generic equivalents flood the market, exerting downward pressure on prices. Generic versions of isosorbide mononitrate are often cheaper, impacting brand sales of IMDUR.

  2. Formation of Biosimilars and Alternative Nitrate Formulations
    Although nitrates are small molecules and typically not biosimilar candidates, new formulations aimed at improved bioavailability or reduced side effects are emerging, potentially encroaching upon IMDUR’s market share.

  3. Regulatory Hurdles and Patent Lifespan
    Patent expirations and regional regulatory barriers impact exclusivity, diluting revenue streams. Companies must strategize around lifecycle management to sustain profitability.


Financial Trajectory and Revenue Outlook

The revenue forecast for IMDUR indicates a cautiously optimistic trend over the next five years, contingent upon strategic adjustments:

  • Steady Revenue from Mature Markets: North America and Europe are expected to contribute persistently due to high adoption rates and aging populations with a rising burden of cardiovascular disease.
  • Pricing Pressures: Erosion in branded revenues due to generic entry is anticipated, with profit margins narrowing if manufacturers do not innovate or diversify portfolios.
  • Emerging Market Opportunities: Growth potential exists in Asia-Pacific, Latin America, and Africa, where increasing cardiovascular incidences and expanding healthcare coverage can broaden user bases, provided pricing remains accessible.
  • Pipeline Development and Line Extensions: Companies investing in combination therapies integrating nitrates or novel delivery systems could expand IMDUR’s therapeutic scope, bolstering future revenues.

Strategic Considerations for Stakeholders

  • Patent and Lifecycle Management: Securing new formulations or delivery methods can prolong IMDUR’s commercial viability.
  • Market Penetration in Emerging Economies: Tailored pricing strategies and local partnerships are essential to tap into underserved markets.
  • Product Differentiation: Emphasizing clinical advantages, such as improved adherence and safety profiles, can justify premium pricing where applicable.
  • Diversification and Portfolio Expansion: Integration into combination therapies or new indications can mitigate revenue decline post-patent expiry.

Regulatory and Policy Impact

Health authorities increasingly emphasize cost-effective therapies. Anticipating reimbursement changes and aligning clinical data to demonstrate value are critical for sustaining IMDUR’s market access. Moreover, regulatory agencies’ evolving requirements for generics and biosimilars necessitate adaptive compliance strategies.


Market Outlook Summary

Parameter Current Status Future Outlook
Market Size Approximately USD 1.7 billion (2022) Modest growth, with potential expansion in emerging markets
Revenue Stability Mature markets stable but under price pressures Relief possible through lifecycle management & innovation
Competitive Landscape Dominated by generics Increasing competition from new formulations & combination therapies
Regulatory Environment Established, with generic approvals increasing Stricter regulations may influence market dynamics

Note: The above projections are contingent on macroeconomic factors, regulatory shifts, and technological advancements.


Key Takeaways

  • Market stability of IMDUR hinges on strategic lifecycle management amid patent expirations and generic competition.
  • Expanding into emerging markets offers significant growth, contingent upon customized pricing and distribution strategies.
  • Innovation in delivery systems and formulations can enhance IMDUR’s therapeutic profile, ensuring relevance in a competitive landscape.
  • Regulatory agility and adherence to evolving reimbursement policies are essential to maintain market access.
  • Collaborative approaches, including partnerships and licensing agreements, are vital for maximizing IMDUR’s financial potential.

FAQs

1. What are the primary factors influencing IMDUR’s market share?
Patents, pricing, clinical efficacy, brand recognition, and generic competition are key determinants.

2. How does IMDUR compare to other nitrate therapies in terms of efficacy?
IMDUR’s extended-release formulation provides sustained angina control, with comparable efficacy to other nitrates but improved adherence due to dosing convenience.

3. What strategies can manufacturers utilize to counter generic erosion?
Innovating with new formulations, pursuing patent extensions via formulations or delivery mechanisms, and emphasizing clinical superiority are effective tactics.

4. Is IMDUR likely to see increased adoption in emerging economies?
Yes, as cardiovascular disease prevalence rises and healthcare infrastructure improves, provided affordability and distribution channels are optimized.

5. What impact might future regulatory changes have on IMDUR’s market?
Enhanced approval pathways for generics and biosimilars, along with reimbursement policy adjustments, could influence pricing, availability, and overall market dynamics.


Sources:

[1] Clinical Pharmacology of IMDUR. (Regulatory filings, 2021)
[2] Global Antianginal Drugs Market Report. (MarketWatch, 2022)
[3] Guidelines on Management of Angina. (American Heart Association, 2020)

More… ↓

⤷  Get Started Free

Make Better Decisions: Try a trial or see plans & pricing

Drugs may be covered by multiple patents or regulatory protections. All trademarks and applicant names are the property of their respective owners or licensors. Although great care is taken in the proper and correct provision of this service, thinkBiotech LLC does not accept any responsibility for possible consequences of errors or omissions in the provided data. The data presented herein is for information purposes only. There is no warranty that the data contained herein is error free. We do not provide individual investment advice. This service is not registered with any financial regulatory agency. The information we publish is educational only and based on our opinions plus our models. By using DrugPatentWatch you acknowledge that we do not provide personalized recommendations or advice. thinkBiotech performs no independent verification of facts as provided by public sources nor are attempts made to provide legal or investing advice. Any reliance on data provided herein is done solely at the discretion of the user. Users of this service are advised to seek professional advice and independent confirmation before considering acting on any of the provided information. thinkBiotech LLC reserves the right to amend, extend or withdraw any part or all of the offered service without notice.