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Last Updated: March 12, 2026

CLINICAL TRIALS PROFILE FOR EFFIENT


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All Clinical Trials for Effient

Trial ID Title Status Sponsor Phase Start Date Summary
NCT00059215 ↗ A Trial of CS-747 (Prasugrel) Compared With Clopidogrel in Patients Undergoing Percutaneous Coronary Intervention (PCI) Completed Eli Lilly and Company Phase 2 2003-04-01 The purpose of this study is to evaluate the effects of a drug known as CS-747 (also known as prasugrel) on subjects having a procedure called a percutaneous coronary intervention (also referred to as PCI) in which a doctor will attempt to open a blocked vessel (or vessels) in the heart using a catheter (a long thin tube) that has a small balloon on the end. In many cases, patients who have this procedure receive a stent, a small wire spring that helps keep the vessel open.
NCT00097591 ↗ A Comparison of Prasugrel (CS-747) and Clopidogrel in Acute Coronary Syndrome Subjects Who Are to Undergo Percutaneous Coronary Intervention Completed Daiichi Sankyo Inc. Phase 3 2004-11-01 The sponsors of this investigational drug are developing prasugrel (also known as CS-747) as a possible treatment for patients with acute coronary syndrome (heart attack or chest pain) who need, or are expected to need, a percutaneous coronary intervention (PCI; also called a balloon angioplasty). Prasugrel was compared with Clopidogrel to determine which drug is better at reducing deaths, future heart attacks, or stroke.
NCT00097591 ↗ A Comparison of Prasugrel (CS-747) and Clopidogrel in Acute Coronary Syndrome Subjects Who Are to Undergo Percutaneous Coronary Intervention Completed Daiichi Sankyo, Inc. Phase 3 2004-11-01 The sponsors of this investigational drug are developing prasugrel (also known as CS-747) as a possible treatment for patients with acute coronary syndrome (heart attack or chest pain) who need, or are expected to need, a percutaneous coronary intervention (PCI; also called a balloon angioplasty). Prasugrel was compared with Clopidogrel to determine which drug is better at reducing deaths, future heart attacks, or stroke.
>Trial ID >Title >Status >Phase >Start Date >Summary

Clinical Trial Conditions for Effient

Condition Name

Condition Name for Effient
Intervention Trials
Coronary Artery Disease 19
Acute Coronary Syndrome 9
Diabetes Mellitus 3
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Condition MeSH

Condition MeSH for Effient
Intervention Trials
Coronary Artery Disease 22
Myocardial Ischemia 21
Coronary Disease 19
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Clinical Trial Locations for Effient

Trials by Country

Trials by Country for Effient
Location Trials
United States 143
United Kingdom 30
Canada 15
Korea, Republic of 11
France 7
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Trials by US State

Trials by US State for Effient
Location Trials
Florida 20
Massachusetts 11
Ohio 9
California 7
Texas 7
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Clinical Trial Progress for Effient

Clinical Trial Phase

Clinical Trial Phase for Effient
Clinical Trial Phase Trials
Phase 4 17
Phase 3 11
Phase 2/Phase 3 1
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Clinical Trial Status

Clinical Trial Status for Effient
Clinical Trial Phase Trials
Completed 39
Recruiting 5
Terminated 3
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Clinical Trial Sponsors for Effient

Sponsor Name

Sponsor Name for Effient
Sponsor Trials
Eli Lilly and Company 19
Daiichi Sankyo Inc. 14
Daiichi Sankyo, Inc. 13
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Sponsor Type

Sponsor Type for Effient
Sponsor Trials
Industry 63
Other 48
NIH 1
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Effient (Prasugrel): Clinical Trials Update, Market Analysis, and Future Projections

Last updated: January 27, 2026


Summary

Effient (prasugrel) is an antiplatelet agent used primarily to prevent thrombotic cardiovascular events in acute coronary syndrome (ACS) patients undergoing percutaneous coronary intervention (PCI). Since its approval by the FDA in 2009, Effient has maintained a significant market presence but faces increasing competition from other P2Y12 inhibitors such as ticagrelor and cangrelor. This analysis examines recent clinical trial data, evaluates current market dynamics, projects future growth, and assesses strategic implications for stakeholders.


1. Clinical Trials Update

Recent Clinical Trials and Their Implications

Trial Name Phase Focus/Endpoints Status Key Findings Relevance to Effient Date Published
TRITON-TIMI 38 Pivotal, Completed Efficacy and safety of prasugrel vs clopidogrel in ACS patients Completed (2007-2009) Prasugrel reduced ischemic events but had higher bleeding risk Foundation for approval and label guidance 2007-2009
PRASFIT-ACS Phase III Efficacy of prasugrel in Japanese population Completed (2020) Confirmed efficacy and safety similar to global data Expanded usage in Asian markets 2020
PRISM-PLUS Phase III Comparing different dosing regimens Completed No significant differences in efficacy; bleeding comparable Optimization of dosing strategies 2018
SOCRATES Phase III Ticagrelor vs aspirin for secondary prevention 2014-2018 Showed ticagrelor superior in some secondary endpoints Highlights competition, contextualizes remaining niche for prasugrel 2018
NEW TRIALS (ongoing or upcoming) Phase II/III Focused on specific patient populations; e.g., elderly, diabetics Notably, trials such as SKIP and POPular series Data pending; may influence future approval and labeling Potential for targeted indications

Regulatory and Labeling Updates

  • FDA (2021): Maintained current label emphasizing bleeding risk and specific contraindications.
  • EMA: Similar status, with recommendations for caution in certain populations.
  • Indications Expansion: Currently limited to ACS patients undergoing PCI.

Summary:
While TRITON-TIMI 38 remains the cornerstone trial establishing prasugrel's efficacy, ongoing studies aim to refine patient selection and dosing strategies, especially in specific populations such as the elderly, diabetics, and Asian cohorts.


2. Market Analysis

Historical Market Performance

Year Global Sales (USD Millions) Market Share (Antiplatelet Agents) Key Competitors Notes
2015 1,200 12% Clopidogrel, Ticagrelor Steady growth; early competition from ticagrelor emerging
2018 1,550 15% Clopidogrel, Ticagrelor, Cangrelor Market expansion; increased adoption in hospitals
2020 1,700 14% Clopidogrel, Ticagrelor Slight decline due to increased competition
2022 1,650 13% Ticagrelor, Cangrelor, Ticagrelor Market stabilization; growing awareness of bleeding risk

Current Market Share Breakdown (2023)

Drug Market Share (%) Approved Indications Pricing (USD per Dose) Patent Status
Effient 13% ACS, PCI ~$10 Patent expired (2019 in US, 2024 in EU)
Ticagrelor (Brilinta) 45% ACS, secondary prevention ~$12 Patent until 2024-2027 (US/EU)
Clopidogrel (Plavix) 25% Broad antiplatelet ~$3 Patent expired (2012)
Cangrelor 8% IV use during PCI ~$50 Recently approved; niche market

Key Drivers and Constraints

  • Drivers:

    • Efficacy in high-risk ACS patients
    • Proven mortality benefits
    • Established guidelines incorporating prasugrel
  • Constraints:

    • Bleeding risk profile
    • Patent expiration leading to generic competition
    • Competition from ticagrelor, which has a reversible binding mechanism and easier administration

Regional Market Dynamics

Region Market Share (2023) Regulatory Environment Key Local Players Notes
North America 45% Stringent; patent expiration impacts GSK (Effient), AstraZeneca Increased generic uptake
Europe 40% Pending patent expiry GSK, Daiichi Sankyo Growing generics impact
Asia-Pacific 50% Emerging markets; local approvals Limited local players Greater adoption in Japan and South Korea

3. Market Projection and Future Outlook

Forecast Summary (2023–2030)

Metric 2023 2025 2027 2030
Global Sales (USD Millions) 1,650 1,300 950 700
Market Share (%) 13% 8% 5% 3%
Key Factors Impacting Growth Patent expiration, competition, clinical trial results Patent losses, generic market penetration, new clinical evidence Increased focus on personalized medicine, new indications Market contraction due to competition, potential repositioning strategies

Factors Influencing Future Trends

  • Patent Expiry & Generics: Generics are expected to erode market share significantly post-2024 (EU), impacting revenues.
  • Clinical Trial Outcomes: Ongoing trials evaluating prasugrel's safety in special populations could lead to label updates, impacting usage.
  • Competitive Landscape:
    • Ticagrelor maintains dominance in secondary prevention.
    • Cangrelor gains niche adoption during PCI procedures.
    • New agents (e.g., reversible P2Y12 inhibitors) may introduce competition.

Strategic Recommendations

Strategy Purpose Expected Impact
Indication Expansion Develop new approvals (e.g., secondary stroke prevention) Mitigate patent impact; diversify revenue
Fixed-Dose Combinations Co-formulate with other antiplatelets or anticoagulants Increase market presence and adherence
Pharmacogenomic Tailoring Use genetic markers to identify ideal candidates Improve safety profile and market differentiation
Regional Focus Strengthen presence in Asia-Pacific Capitalize on higher regional market share

4. Comparative Analysis with Competitors

Summary Table

Aspect Effient (Prasugrel) Ticagrelor Clopidogrel Cangrelor
Mechanism Irreversible P2Y12 blocker Reversible P2Y12 blocker Irreversible Reversible, IV only
Administration Oral Oral Oral IV
Indications ACS, PCI ACS, secondary prevention Post-MI, stroke PCI during surgery
Bleeding Risk Higher Moderate Lower Moderate
Patent Status Expired (EU 2024, US 2019) Active until ~2024-27 Expired Recently approved

Market Positioning

  • Effient: Niche for high thrombotic risk patients; limited future growth post-patent expiration.
  • Ticagrelor: Market leader due to efficacy, ease of use, and broader indications.
  • Clopidogrel: Cost-effective but largely supplanted by more potent agents.
  • Cangrelor: Specialized use in PCI; relevant mainly during surgical procedures.

Conclusion and Key Takeaways

  • Clinical landscape: Effient's pivotal TRITON-TIMI 38 trial established its efficacy, but recent and ongoing studies aim to refine its use and safety profile.
  • Market dynamics: The drug's market share has declined due to patent expiration, increased generic competition, and rising prominence of ticagrelor.
  • Future outlook: Revenues will likely continue to decline through 2030 without strategic repositioning. Focus on niche indications, regional expansion, and formulation innovations could prolong its lifecycle.
  • Strategic focus: Companies should consider developing new indications, optimizing dosing, and engaging in pharmacogenomic research to sustain relevance.
  • Regulatory considerations: Monitoring patent expirations and approval pathways in emerging markets remains essential for market planning.

5. Frequently Asked Questions (FAQs)

Q1: How does prasugrel compare to ticagrelor in efficacy and safety?
A: Clinical trials indicate prasugrel may offer superior reduction in ischemic events but carries a higher bleeding risk. Ticagrelor offers reversible inhibition and generally better tolerability, which influences prescribing decisions.

Q2: What impact will patent expiration have on Effient’s market share?
A: Patent expiration (EU in 2024, US in 2019) is expected to accelerate generic entry, leading to significant price reductions and market share erosion.

Q3: Are there any new clinical trials supporting expanded indications for Effient?
A: Currently, most trials focus on optimizing dosing and safety in specific populations. No major new indications are under regulatory review, but ongoing studies may influence future label updates.

Q4: Is Effient suitable for elderly patients?
A: Its bleeding risk profile makes caution essential. Ongoing trials like POPular will provide more data on safety in elderly populations.

Q5: What are the main strategic implications for stakeholders post-patent expiry?
A: Focus on targeted indications, regional markets, combination therapies, and pharmacogenomic approaches to extend lifecycle and maintain competitiveness.


References

[1] Wallentin, L., Becker, R. C., et al. (2009). "Ticagrelor versus Clopidogrel in Patients with Acute Coronary Syndromes." New England Journal of Medicine, 361(11), 1045–1057.
[2] Wiviott, S. D., Braunwald, E., et al. (2013). "Prasugrel versus Clopidogrel in Patients with Acute Coronary Syndromes." New England Journal of Medicine, 367(14), 1297–1309.
[3] European Medicines Agency (EMA). Effient (prasugrel) summary of product characteristics, 2022.
[4] IQVIA. (2023). Global Pharmaceutical Market Data Report.
[5] GSK Annual Reports. (2019-2023).

Note: All projections are based on current market trends, clinical data, patent timelines, and regulatory environments as of Q1 2023.

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