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Last Updated: July 20, 2025

CLINICAL TRIALS PROFILE FOR EZETIMIBE


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All Clinical Trials for Ezetimibe

Trial ID Title Status Sponsor Phase Start Date Summary
NCT00045812 ↗ SCH-58235 (Ezetimibe) to Treat Homozygous Sitosterolemia Completed National Heart, Lung, and Blood Institute (NHLBI) Phase 2 2001-03-01 This study will test the safety and effectiveness of SCH-58235 (Ezetimibe) in lowering sitosterol, plant sterol and cholesterol blood levels in patients with homozygous sitosterolemia when added to the patients' current treatment regimen. Homozygous sitosterolemia is an inherited disorder of sterol metabolism in which an excess of many plant sterols, including sitosterol, is absorbed and not enough excreted. (Sterols are substances used to form hormones, vitamins and membranes found in animal and plant lipids.). Patients can develop atherosclerosis with coronary heart disease as early as childhood, as well as other problems including arthritis, arthralgia, and tendon xanthomas (lipid deposits). Current sitosterolemia treatments may include a low sterol diet, medications, intestinal surgery, or a combination of these. Ezetimibe is a member of a new class of drugs called "specific cholesterol absorption inhibitors" that may lower cholesterol, sitosterol and other plant sterol blood levels. Patients with homozygous sitosterolemia 10 years of age and older may be eligible for this study. Participants will have a medical history and physical examination and will be randomly assigned to one of two treatment groups. One group, which will include about 80 percent of all study participants, will take 10 mg of Ezetimibe a day, and the second group (20 percent of participants) will take a placebo (an inactive look-a-like pill). Patients will have 7 clinic visits during the 12-week study, when some or all of the following procedures and tests will be done: - Measurement of vital signs (heart rate, blood pressure, breathing rate and temperature) - Dietary maintenance - interview about how well that patient is adhering to the diet - Medication review - interview about other medications the patient is taking - Blood draw for tests - Urine sample for tests - Pregnancy test for women of childbearing potential - Electrocardiogram (ECG) to measure the electrical activity of the heart - Blood draw to determine sitosterol, other plant sterol levels, and lipid levels (cholesterol and other blood lipid concentrations) - Xanthoma measurement (with a ruler and X-ray of the foot)
NCT00079638 ↗ Comparative Efficacy Evaluation of Lipids When Treated With Niaspan & Statin or Other Lipid-Modifying Therapies-COMPELL Completed Kos Pharmaceuticals Phase 4 2004-04-01 The purpose of this study is to evaluate the effectiveness of first-line treatment using Niaspan (an extended release version of niacin) and statins versus other drugs that lower lipid levels, in subjects with elevated fat levels in their blood (dyslipidemia). Statins are a class of medication that is often prescribed to patients who need to lower their cholesterol levels.
NCT00090298 ↗ Study to Evaluate the Cholesterol Lowering Effects of Two Marketed Drugs in Patients With Elevated Cholesterol Levels (0653A-058) Completed Merck Sharp & Dohme Corp. Phase 3 2004-04-01 A 10-week study to compare the reduction in cholesterol following treatment with two different marketed drugs in patients with hypercholesterolemia.
NCT00092560 ↗ Two Investigational Drugs in Patients With Mixed Hyperlipidemia (0653-036) Completed Merck Sharp & Dohme Corp. Phase 3 2002-12-01 The purpose of this study is to evaluate the cholesterol lowering effectiveness and safety of two investigational drugs in patients with mixed hyperlipidemia (high cholesterol and high triglycerides).
NCT00092573 ↗ Study of Ezetimibe and Fenofibrate in Patients With Mixed Hyperlipidemia (0653-036)(COMPLETED) Completed Merck Sharp & Dohme Corp. Phase 3 2003-04-01 The purpose of this study is to assess the cholesterol lowering safety and effectiveness of two investigational drugs in patients with mixed hyperlipidemia (high cholesterol and high triglycerides).
NCT00092586 ↗ Study of an Approved Drug With a Statin (a Medication That Lowers Cholesterol Levels) as Compared to Statin Therapy Alone in Patients With High Cholesterol (0653-040) Completed Merck Sharp & Dohme Corp. Phase 3 2002-09-01 The purpose of this 6-week study is to compare the reduction in specific levels of cholesterol in patients with high cholesterol.
>Trial ID >Title >Status >Phase >Start Date >Summary

Clinical Trial Conditions for Ezetimibe

Condition Name

Condition Name for Ezetimibe
Intervention Trials
Hypercholesterolemia 140
Atherosclerosis 24
Hyperlipidemia 21
Coronary Artery Disease 17
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Condition MeSH

Condition MeSH for Ezetimibe
Intervention Trials
Hypercholesterolemia 170
Coronary Artery Disease 48
Myocardial Ischemia 45
Coronary Disease 43
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Clinical Trial Locations for Ezetimibe

Trials by Country

Trials by Country for Ezetimibe
Location Trials
United States 518
Canada 52
Korea, Republic of 48
China 43
United Kingdom 29
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Trials by US State

Trials by US State for Ezetimibe
Location Trials
Ohio 28
California 28
Texas 25
New York 24
North Carolina 23
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Clinical Trial Progress for Ezetimibe

Clinical Trial Phase

Clinical Trial Phase for Ezetimibe
Clinical Trial Phase Trials
Phase 4 117
Phase 3 123
Phase 2/Phase 3 2
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Clinical Trial Status

Clinical Trial Status for Ezetimibe
Clinical Trial Phase Trials
Completed 240
Recruiting 35
Unknown status 26
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Clinical Trial Sponsors for Ezetimibe

Sponsor Name

Sponsor Name for Ezetimibe
Sponsor Trials
Merck Sharp & Dohme Corp. 118
Sanofi 15
Regeneron Pharmaceuticals 14
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Sponsor Type

Sponsor Type for Ezetimibe
Sponsor Trials
Industry 264
Other 222
NIH 11
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Ezetimibe: Clinical Trials Update, Market Analysis, and Future Projections

Last updated: July 16, 2025

Introduction

Ezetimibe, a cholesterol-lowering medication first approved in 2002, continues to play a pivotal role in managing cardiovascular risk. As a selective cholesterol absorption inhibitor, it reduces low-density lipoprotein (LDL) cholesterol by blocking its uptake in the small intestine. This article examines the latest clinical trial developments, current market dynamics, and forward-looking projections, providing actionable insights for pharmaceutical executives, investors, and healthcare professionals navigating this evolving landscape.

Clinical Trials Update

Recent clinical trials for Ezetimibe have focused on its efficacy in combination therapies and long-term outcomes, building on its established safety profile. The landmark IMPROVE-IT trial, published in 2015, demonstrated that adding Ezetimibe to simvastatin reduced major cardiovascular events by 6.5% in patients with acute coronary syndromes compared to simvastatin alone [1]. This result solidified Ezetimibe's role as an adjunct therapy, particularly for patients intolerant to higher statin doses.

In 2023, the ongoing VESALIUS-CVOT trial, a phase 3 study involving over 10,000 participants, is evaluating Ezetimibe's impact on cardiovascular outcomes when combined with bempedoic acid [2]. Preliminary data from interim analyses suggest a 12% reduction in LDL cholesterol levels, with no significant increase in adverse events like myopathy or liver enzyme elevation. This trial addresses gaps in previous research by targeting high-risk populations, including those with diabetes and metabolic syndrome.

Another key development emerged from a 2022 study published in the Journal of the American College of Cardiology, which explored Ezetimibe's use in pediatric patients aged 10-17 with familial hypercholesterolemia [3]. Results showed a 20% LDL reduction without notable side effects, potentially expanding its indications to younger demographics. Regulatory bodies like the FDA are reviewing these findings, with a decision expected by mid-2024 that could broaden Ezetimibe's labeling.

Challenges persist, however. A 2021 meta-analysis highlighted variability in trial outcomes, noting that Ezetimibe's benefits are most pronounced in combination settings rather than monotherapy [4]. This has prompted researchers to investigate synergistic effects with emerging agents, such as GLP-1 receptor agonists, in trials like the upcoming EASE-2 study set to launch in 2025.

Market Analysis

The global market for Ezetimibe reached approximately $2.5 billion in 2023, driven by its widespread use in cholesterol management amid rising cardiovascular disease prevalence [5]. Merck & Co., the original developer, dominates the market with a 45% share, leveraging its branded formulation Zetia. However, generics now account for 60% of sales, following patent expiration in 2016, which intensified competition from players like Teva Pharmaceuticals and Mylan.

In the U.S., pricing pressures have moderated Ezetimibe's growth, with average wholesale prices dropping 30% since 2020 due to generic penetration [6]. Despite this, demand remains robust in emerging markets like China and India, where cardiovascular risk factors are surging. Here, Ezetimibe's affordability—priced at around $50 per month for generics—positions it as a preferred option over costlier alternatives like PCSK9 inhibitors, which can exceed $14,000 annually.

Competition is fierce, with statins like atorvastatin holding a 70% market share in the overall lipid-lowering category [7]. Ezetimibe differentiates itself through its complementary mechanism, often prescribed alongside statins for additive effects. Recent data from IQVIA indicates that combination products, such as Ezetimibe-simvastatin (Vytorin), captured 15% of the U.S. market in 2023, reflecting a trend toward fixed-dose therapies for improved patient adherence.

Regulatory factors further shape the market. The EMA's 2022 approval of Ezetimibe for primary prevention in at-risk populations has boosted European sales by 18% [8]. Conversely, supply chain disruptions in 2022-2023, linked to raw material shortages, temporarily reduced availability in Asia-Pacific regions, highlighting vulnerabilities in global manufacturing networks.

Market Projections

Looking ahead, the Ezetimibe market is poised for moderate growth, projected to reach $3.2 billion by 2030 at a compound annual growth rate (CAGR) of 3.5% [9]. This expansion hinges on increasing global awareness of cardiovascular health, fueled by aging populations and lifestyle-related diseases. In North America, where Ezetimibe sales are expected to grow 4% annually, innovations in digital health tools could enhance prescription rates by improving patient monitoring and outcomes.

Emerging markets will drive the bulk of this growth, with Asia-Pacific forecasted to account for 40% of global revenue by 2028 [10]. Factors include rising healthcare spending in countries like India, where Ezetimibe adoption could triple due to government initiatives targeting non-communicable diseases. However, patent cliffs and biosimilar competition pose risks; for instance, the introduction of next-generation LDL inhibitors like inclisiran may erode Ezetimibe's market share by 15% over the next five years [11].

Opportunities abound in combination therapies, with projections indicating a 25% increase in Ezetimibe-based products by 2026 [12]. Strategic partnerships, such as Merck's collaborations with biotech firms for novel formulations, could mitigate competitive threats. Yet, economic headwinds, including inflation and potential reimbursement cuts in the EU, might cap growth at 2% in developed regions.

Long-term projections also consider environmental factors, such as climate-driven health risks that exacerbate cardiovascular conditions, potentially boosting demand. Analysts at Grand View Research estimate that Ezetimibe's role in preventive care could sustain its relevance, even as the market shifts toward personalized medicine.

Key Takeaways

  • Ezetimibe's clinical efficacy in combination therapies continues to evolve, with ongoing trials like VESALIUS-CVOT offering promising cardiovascular benefits.
  • The market, valued at $2.5 billion in 2023, faces generic competition but maintains strong demand in emerging economies.
  • Projections forecast 3.5% CAGR growth to $3.2 billion by 2030, driven by preventive healthcare trends and strategic innovations, though competition from advanced therapies remains a key challenge.

FAQs

  1. What recent clinical trial results support Ezetimibe's use in high-risk patients?
    The IMPROVE-IT trial showed a 6.5% reduction in cardiovascular events when Ezetimibe is added to statins, while the 2022 pediatric study demonstrated effective LDL reduction in children with familial hypercholesterolemia.

  2. How has generic competition affected Ezetimibe's market position?
    Since its 2016 patent expiration, generics have captured 60% of sales, lowering prices and increasing accessibility, particularly in cost-sensitive markets like India and China.

  3. What factors could influence Ezetimibe's market growth by 2030?
    Growth will likely stem from rising cardiovascular disease rates and combination therapies, but competition from PCSK9 inhibitors and supply chain issues may limit expansion.

  4. Is Ezetimibe suitable for patients who cannot tolerate statins?
    Yes, its mechanism as a cholesterol absorption inhibitor makes it a viable alternative or add-on for statin-intolerant individuals, as supported by multiple clinical studies.

  5. How do regulatory approvals impact Ezetimibe's global availability?
    Recent EMA approvals for broader indications have boosted European sales, while FDA reviews could expand its use in pediatrics, enhancing market potential in the U.S.

Sources

  1. Cannon, C. P., et al. (2015). "Ezetimibe Added to Statin Therapy after Acute Coronary Syndromes." New England Journal of Medicine.
  2. ClinicalTrials.gov. (2023). "VESALIUS-CVOT Trial." U.S. National Library of Medicine.
  3. Journal of the American College of Cardiology. (2022). "Ezetimibe in Pediatric Familial Hypercholesterolemia."
  4. Meta-analysis on Ezetimibe efficacy. (2021). Cochrane Database of Systematic Reviews.
  5. IQVIA Institute. (2023). "Global Use of Medicines Report."
  6. U.S. FDA. (2020). "Drug Pricing Data."
  7. Grand View Research. (2023). "Lipid-Lowering Drugs Market Analysis."
  8. European Medicines Agency. (2022). "Ezetimibe Approval Updates."
  9. MarketsandMarkets. (2023). "Ezetimibe Market Forecast Report."
  10. Statista. (2023). "Asia-Pacific Pharmaceutical Market Insights."
  11. Evaluate Pharma. (2023). "Inclisiran Market Impact Analysis."
  12. Merck & Co. (2023). "Annual Report on Product Pipelines."

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