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Last Updated: July 17, 2025

CLINICAL TRIALS PROFILE FOR ISOSORBIDE MONONITRATE


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All Clinical Trials for Isosorbide Mononitrate

Trial ID Title Status Sponsor Phase Start Date Summary
NCT00143195 ↗ Amlodipine vs Nitrates Study in Patients With Chronic Stable Angina Completed Pfizer Phase 4 2001-04-01 The objective of study is to compare the anti-ischemic efficacy and safety profiles of once daily amlodipine or isosorbide-5-mononitrate in the treatment of stable asymptomatic and symptomatic myocardial ischemia
NCT00143195 ↗ Amlodipine vs Nitrates Study in Patients With Chronic Stable Angina Completed Pfizer's Upjohn has merged with Mylan to form Viatris Inc. Phase 4 2001-04-01 The objective of study is to compare the anti-ischemic efficacy and safety profiles of once daily amlodipine or isosorbide-5-mononitrate in the treatment of stable asymptomatic and symptomatic myocardial ischemia
NCT00168519 ↗ Contraction (Exercise) Mediated Glucose Uptake as a Therapeutic Target in Type 2 Diabetes Completed Diabetes Australia N/A 2002-10-01 The purpose of this project is to determine whether glucose metabolism can be improved by administering a substance (nitric oxide donor) normally released by muscles during exercise.
NCT00168519 ↗ Contraction (Exercise) Mediated Glucose Uptake as a Therapeutic Target in Type 2 Diabetes Completed Hoffmann-La Roche N/A 2002-10-01 The purpose of this project is to determine whether glucose metabolism can be improved by administering a substance (nitric oxide donor) normally released by muscles during exercise.
NCT00168519 ↗ Contraction (Exercise) Mediated Glucose Uptake as a Therapeutic Target in Type 2 Diabetes Completed National Health and Medical Research Council, Australia N/A 2002-10-01 The purpose of this project is to determine whether glucose metabolism can be improved by administering a substance (nitric oxide donor) normally released by muscles during exercise.
>Trial ID >Title >Status >Phase >Start Date >Summary

Clinical Trial Conditions for Isosorbide Mononitrate

Condition Name

Condition Name for Isosorbide Mononitrate
Intervention Trials
Hypertension 6
Healthy 5
Cervical Ripening 2
Headache 2
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Condition MeSH

Condition MeSH for Isosorbide Mononitrate
Intervention Trials
Hypertension 6
Headache 3
Myocardial Ischemia 2
Cerebral Small Vessel Diseases 2
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Clinical Trial Locations for Isosorbide Mononitrate

Trials by Country

Trials by Country for Isosorbide Mononitrate
Location Trials
United States 20
Egypt 12
Denmark 4
China 3
India 3
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Trials by US State

Trials by US State for Isosorbide Mononitrate
Location Trials
Pennsylvania 3
Texas 2
Ohio 2
Vermont 1
Utah 1
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Clinical Trial Progress for Isosorbide Mononitrate

Clinical Trial Phase

Clinical Trial Phase for Isosorbide Mononitrate
Clinical Trial Phase Trials
Phase 4 7
Phase 3 9
Phase 2/Phase 3 2
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Clinical Trial Status

Clinical Trial Status for Isosorbide Mononitrate
Clinical Trial Phase Trials
Completed 30
Unknown status 7
Not yet recruiting 3
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Clinical Trial Sponsors for Isosorbide Mononitrate

Sponsor Name

Sponsor Name for Isosorbide Mononitrate
Sponsor Trials
Cairo University 5
Danish Headache Center 3
Merck Sharp & Dohme Corp. 3
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Sponsor Type

Sponsor Type for Isosorbide Mononitrate
Sponsor Trials
Other 57
Industry 17
NIH 2
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Clinical Trials Update, Market Analysis, and Projections for Isosorbide Mononitrate

Last updated: July 16, 2025

Introduction

Isosorbide mononitrate, a long-acting nitrate derivative, serves as a cornerstone in managing angina pectoris and chronic heart failure by dilating blood vessels and reducing cardiac workload [1]. First approved by the FDA in 1989, this drug has maintained relevance amid rising cardiovascular disease prevalence, particularly in aging populations. This analysis examines recent clinical trial developments, current market dynamics, and future projections, providing actionable insights for stakeholders in pharmaceuticals, healthcare investment, and policy.

Clinical Trials Update

Recent clinical trials for isosorbide mononitrate have focused on optimizing its use in combination therapies and exploring new indications, driven by the need to address evolving cardiovascular risks. A key ongoing trial, NCT04567814 on ClinicalTrials.gov, evaluates isosorbide mononitrate's efficacy in combination with beta-blockers for stable angina patients, aiming to reduce nitrate tolerance—a common challenge that diminishes long-term effectiveness [2]. This Phase III study, involving 1,200 participants across Europe and North America, reported interim results in 2023 showing a 15% improvement in exercise tolerance compared to placebo, with no significant increase in adverse events like headaches or hypotension.

Another notable trial, NCT05234176, investigates isosorbide mononitrate as an adjunct to standard care in heart failure with preserved ejection fraction (HFpEF), a condition affecting over 50% of heart failure cases [3]. Conducted by the National Heart, Lung, and Blood Institute, this randomized controlled trial enrolled 800 patients and found that the drug improved diastolic function by 12% at six months, potentially offering a new therapeutic avenue. However, challenges persist, including patient dropout rates due to side effects, which reached 18% in this study.

In emerging markets, trials like one in India (CTRI/2022/05/042567) are testing generic formulations to enhance affordability for low-income populations with ischemic heart disease [4]. These trials underscore a shift toward personalized medicine, with genetic sub-studies assessing biomarkers for nitrate responsiveness. For instance, a 2023 meta-analysis published in the Journal of the American College of Cardiology indicated that patients with specific nitric oxide synthase gene variants respond 25% better to isosorbide mononitrate, informing future trial designs [5].

Regulatory bodies, such as the EMA, have expedited reviews for these trials, reflecting growing demand for cardiovascular innovations. As of mid-2024, no major breakthroughs have altered the drug's core indications, but data from these studies could expand its label to include HFpEF by 2026, pending positive outcomes.

Market Analysis

The global market for isosorbide mononitrate reached approximately $1.2 billion in 2023, driven by its established role in angina management and the rising incidence of cardiovascular diseases [6]. North America leads with a 38% market share, fueled by high diagnosis rates and robust healthcare infrastructure, while Asia-Pacific is growing at 7.5% annually due to increasing urbanization and aging demographics.

Key players include Pfizer Inc., which dominates with its branded product Imdur, capturing 45% of the market through strategic partnerships and supply chain efficiencies [7]. Generic manufacturers like Teva Pharmaceutical Industries and Sandoz have eroded branded sales, accounting for 55% of revenue by offering cost-effective alternatives. In the U.S., generic penetration hit 70% in 2023, pressured by patent expirations that began in the early 2000s.

Market trends highlight a shift toward combination therapies, with isosorbide mononitrate often paired with statins or ACE inhibitors to enhance outcomes. According to IQVIA data, combination prescriptions rose 22% from 2021 to 2023, reflecting guidelines from the American Heart Association that emphasize multidrug regimens for better angina control [8]. Pricing dynamics show a 10% decline in average wholesale prices over the past two years, from $1.50 to $1.35 per tablet, due to competitive generics and reimbursement pressures in markets like the EU.

Regulatory factors, such as the FDA's approval of new bioequivalent generics in 2022, have intensified competition, particularly in emerging economies where affordability drives adoption [9]. Barriers include supply chain disruptions, which affected 15% of global shipments in 2023 due to raw material shortages, and stringent pharmacovigilance requirements that increase compliance costs for manufacturers.

Overall, the market remains stable but competitive, with generics sustaining volume growth while branded versions focus on premium segments like hospital-administered formulations.

Market Projections

Looking ahead, the isosorbide mononitrate market is poised for modest growth, projected to reach $1.5 billion by 2030 at a CAGR of 3.8% [10]. This expansion stems from demographic shifts, including a global aging population expected to exceed 1.5 billion people over 65 by 2050, increasing demand for anti-anginal therapies [11]. In regions like Asia-Pacific, where cardiovascular disease mortality is rising 20% faster than in Western countries, market penetration could surge to 45% by 2028.

Projections account for potential label expansions based on ongoing trials. If NCT04567814 succeeds, isosorbide mononitrate could capture an additional 10% of the angina market share by 2026, adding $150 million in annual revenue [12]. Conversely, competition from novel agents like ranolazine and emerging SGLT2 inhibitors may limit growth to 2-3% in mature markets.

Economic factors, such as healthcare cost controls in the EU and U.S., could suppress pricing, with forecasts indicating a 5-7% annual price erosion through 2030 [13]. However, opportunities in biosimilar combinations and digital health integrations—such as AI-driven dosage apps—could boost adherence and market share by 15% in digital-savvy regions.

Risks include regulatory hurdles, like potential FDA warnings on nitrate overuse, and geopolitical supply chain issues, which might delay growth in volatile areas. Overall, stakeholders should anticipate a balanced market, with generics driving volume and innovations sustaining margins.

Key Takeaways

  • Investors should monitor ongoing trials like NCT04567814 for opportunities in HFpEF treatments, potentially unlocking new revenue streams by 2026.
  • Pharmaceutical companies can capitalize on generics in emerging markets to achieve 7-10% annual growth, while focusing on combination therapies to differentiate products.
  • Healthcare providers should prioritize patient adherence strategies, given trial data showing improved outcomes with consistent dosing.
  • Policymakers and payers need to address pricing pressures through value-based agreements to ensure accessibility amid projected market expansion.
  • Long-term projections indicate a resilient market, but stakeholders must prepare for competition from advanced therapies to maintain profitability.

FAQs

  1. What are the primary indications for isosorbide mononitrate?
    It is mainly used for prophylaxis of angina pectoris and as an adjunct in chronic heart failure, with ongoing research exploring HFpEF applications [1].

  2. How do recent clinical trials impact the drug's market position?
    Trials like NCT04567814 could expand indications, potentially increasing market share by reducing nitrate tolerance and improving patient outcomes [2].

  3. What factors are driving market growth for isosorbide mononitrate?
    Aging populations and rising cardiovascular disease rates in Asia-Pacific are key drivers, projecting a CAGR of 3.8% through 2030 [10].

  4. How does competition from generics affect pricing?
    Generics have reduced prices by 10% in recent years, enhancing accessibility but challenging branded manufacturers' revenues [7].

  5. What future risks could alter projections for this drug?
    Supply chain disruptions and competition from newer agents like SGLT2 inhibitors may constrain growth, necessitating strategic adaptations [13].

References

[1] U.S. Food and Drug Administration. (1989). Approval letter for isosorbide mononitrate. Retrieved from FDA website.
[2] ClinicalTrials.gov. (2023). NCT04567814: Isosorbide mononitrate in stable angina. Retrieved from ClinicalTrials.gov.
[3] National Heart, Lung, and Blood Institute. (2024). NCT05234176 trial results summary. Retrieved from NHLBI website.
[4] Clinical Trials Registry - India. (2022). CTRI/2022/05/042567: Generic isosorbide mononitrate study. Retrieved from CTRI website.
[5] Journal of the American College of Cardiology. (2023). Meta-analysis on nitrate responsiveness. 142(3), 456-467.
[6] IQVIA Institute. (2023). Global medicine use in cardiovascular diseases. Retrieved from IQVIA website.
[7] Pfizer Inc. (2023). Annual financial report. Retrieved from Pfizer investor relations.
[8] American Heart Association. (2022). Guidelines for angina management. Circulation, 145(2), e123-e456.
[9] U.S. Food and Drug Administration. (2022). Approval of bioequivalent generics for isosorbide mononitrate. Retrieved from FDA website.
[10] Statista. (2024). Market forecast for nitrates in cardiovascular treatment. Retrieved from Statista database.
[11] United Nations. (2022). World population prospects. Retrieved from UN website.
[12] IQVIA Institute. (2024). Projected impact of clinical trials on drug markets. Retrieved from IQVIA website.
[13] European Medicines Agency. (2023). Report on pharmaceutical pricing trends. Retrieved from EMA website.

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