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Last Updated: April 25, 2025

CLINICAL TRIALS PROFILE FOR DILANTIN


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All Clinical Trials for Dilantin

Trial ID Title Status Sponsor Phase Start Date Summary
NCT00005951 ↗ Irinotecan Plus Temozolomide in Treating Patients With Recurrent Primary Malignant Glioma Completed National Cancer Institute (NCI) Phase 1 2000-08-01 RATIONALE: Drugs used in chemotherapy use different ways to stop tumor cells from dividing so they stop growing or die. Combining more than one drug may kill more tumor cells. PURPOSE: Phase I trial to study the effectiveness of irinotecan plus temozolomide in treating patients who have recurrent primary malignant glioma.
NCT00005951 ↗ Irinotecan Plus Temozolomide in Treating Patients With Recurrent Primary Malignant Glioma Completed Duke University Phase 1 2000-08-01 RATIONALE: Drugs used in chemotherapy use different ways to stop tumor cells from dividing so they stop growing or die. Combining more than one drug may kill more tumor cells. PURPOSE: Phase I trial to study the effectiveness of irinotecan plus temozolomide in treating patients who have recurrent primary malignant glioma.
NCT00040469 ↗ Bone Marrow Transplant From Related Donor for Patients With High Risk Hemoglobinopathies Terminated Center for Cell and Gene Therapy, Baylor College of Medicine Phase 2 2000-08-01 The major goal of this study is to determine the risks and benefits of bone marrow transplants in patients with severe thalassemia or sickle cell disease. Participation in this project will be for two years.
>Trial ID >Title >Status >Phase >Start Date >Summary

Clinical Trial Conditions for Dilantin

Condition Name

Condition Name for Dilantin
Intervention Trials
Gliosarcoma 3
Healthy 3
Leukemia 3
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Condition MeSH

Condition MeSH for Dilantin
Intervention Trials
Seizures 5
Glioma 4
Gliosarcoma 3
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Clinical Trial Locations for Dilantin

Trials by Country

Trials by Country for Dilantin
Location Trials
United States 22
Korea, Republic of 1
Canada 1
Singapore 1
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Trials by US State

Trials by US State for Dilantin
Location Trials
Ohio 3
Texas 3
North Carolina 3
Pennsylvania 2
New York 2
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Clinical Trial Progress for Dilantin

Clinical Trial Phase

Clinical Trial Phase for Dilantin
Clinical Trial Phase Trials
Phase 4 6
Phase 3 2
Phase 2 4
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Clinical Trial Status

Clinical Trial Status for Dilantin
Clinical Trial Phase Trials
Completed 13
Terminated 8
Active, not recruiting 1
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Clinical Trial Sponsors for Dilantin

Sponsor Name

Sponsor Name for Dilantin
Sponsor Trials
Baylor College of Medicine 3
National Cancer Institute (NCI) 3
Duke University 3
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Sponsor Type

Sponsor Type for Dilantin
Sponsor Trials
Other 35
Industry 10
NIH 4
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Dilantin (Phenytoin Sodium): Clinical Trials, Market Analysis, and Projections

Introduction

Dilantin, also known as phenytoin sodium, is a widely used antiepileptic drug (AED) for the treatment of various types of seizures and epilepsy. This article will delve into recent clinical trials, market analysis, and future projections for Dilantin.

Clinical Trials Update

Comparative Efficacy with Levetiracetam

A significant clinical trial comparing phenytoin with levetiracetam for the second-line treatment of convulsive status epilepticus in children was conducted across 30 UK emergency departments. The trial involved 404 patients, with 152 allocated to levetiracetam and 134 to phenytoin. The results showed that convulsive status epilepticus was terminated in 70% of the levetiracetam group and 64% of the phenytoin group, suggesting that while levetiracetam may have a slight edge, the difference was not statistically significant in this context[1].

Safety and Adverse Reactions

Clinical trials and post-marketing surveillance have highlighted several adverse reactions associated with phenytoin, including severe cutaneous adverse reactions such as Stevens-Johnson syndrome (SJS) and Drug Reaction with Eosinophilia and Systemic Symptoms (DRESS). These reactions necessitate immediate discontinuation of the drug and alternative therapy. Other notable adverse effects include hepatic injury, hematopoietic complications, and cardiovascular instability[4].

Market Analysis

Global Market Size and Growth

The global antiepileptic drugs (AED) market, which includes Dilantin, is projected to grow significantly. As of 2023, the global AED market was valued at USD 16.50 billion and is expected to reach USD 24.85 billion by 2032, growing at a Compound Annual Growth Rate (CAGR) of 4.8% during the forecast period[3].

Regional Market Dominance

North America currently dominates the global AED market, with a share of 48.3% in 2023. The U.S. market, in particular, is expected to grow substantially, driven by increasing prevalence of epilepsy and significant FDA approvals for new AEDs[3].

Market Drivers

Key drivers for the growth of the AED market include the rising prevalence of epilepsy, increasing product approvals by regulatory bodies, and active government support and investments in epilepsy research and awareness. The Asia-Pacific and European markets are also expected to exhibit higher CAGRs during the forecast period due to regulatory approvals and the penetration of key regional players[3].

Competitive Landscape

Major players in the AED market include UCB S.A., Pfizer, and GSK plc. These companies have launched novel medications and are investing heavily in research and development to introduce innovative and generic products, which is expected to further drive market growth[3].

Market Projections

Growth Forecast

The global phenytoin sodium market is anticipated to experience tremendous growth from 2020 to 2025, driven by factors such as expanding indications, increasing demand, and the impact of COVID-19 on healthcare systems. The market is expected to grow at an impressive CAGR during this period[2].

Impact of Regulatory Approvals

Regulatory approvals play a crucial role in the growth of the AED market. The FDA's approval of new AEDs and the expected approvals in the Asia-Pacific region are anticipated to drive the demand for anticonvulsant drugs, including phenytoin sodium[3].

Economic Factors

Drug price inflation is a significant factor in the pharmaceutical market. According to Vizient's Pharmacy Market Outlook, the overall drug price inflation rate for pharmaceuticals is estimated to be 3.81% in 2025. This inflation, along with the introduction of high-cost cell and gene therapies, will impact provider budgets and operational processes[5].

Challenges and Opportunities

Drug Intolerability

Despite the availability of AEDs, a significant portion of the population faces drug intolerability. Manufacturers are focusing on developing target-specific drugs to address this issue, presenting an opportunity for innovation and growth in the market[3].

Emerging Markets

Developing countries such as India, China, and Brazil have a higher proportion of the population suffering from epilepsy. Active government support and investments in these regions are expected to expedite the availability of better treatment options, offering significant growth opportunities for the AED market[3].

Key Takeaways

  • Clinical Efficacy: Phenytoin remains a viable option for treating convulsive status epilepticus, though it may be slightly less effective than levetiracetam in some contexts.
  • Market Growth: The global AED market, including phenytoin sodium, is projected to grow at a CAGR of 4.8% from 2024 to 2032.
  • Regional Dominance: North America currently leads the market, but the Asia-Pacific and European regions are expected to exhibit higher growth rates.
  • Regulatory Impact: FDA approvals and regulatory support are crucial drivers for market growth.
  • Economic Factors: Drug price inflation and the introduction of high-cost therapies will impact market dynamics.

FAQs

What is the current market size of the global antiepileptic drugs market?

The global antiepileptic drugs market was valued at USD 16.50 billion in 2023[3].

How is the global phenytoin sodium market expected to grow?

The global phenytoin sodium market is expected to grow at an impressive CAGR from 2020 to 2025, driven by expanding indications and increasing demand[2].

What are the major drivers for the growth of the AED market?

Key drivers include the rising prevalence of epilepsy, increasing product approvals, and active government support and investments in epilepsy research and awareness[3].

Which regions are expected to exhibit higher growth rates in the AED market?

The Asia-Pacific and European regions are expected to exhibit higher CAGRs during the forecast period due to regulatory approvals and the penetration of key regional players[3].

What are the significant adverse reactions associated with phenytoin?

Significant adverse reactions include severe cutaneous adverse reactions like Stevens-Johnson syndrome (SJS) and Drug Reaction with Eosinophilia and Systemic Symptoms (DRESS), hepatic injury, hematopoietic complications, and cardiovascular instability[4].

Sources

  1. Levetiracetam versus phenytoin for second-line treatment of convulsive status epilepticus in children (CONSEPT): an open-label, multicentre, randomised trial. The Lancet, 2019.
  2. Phenytoin Sodium Market Is Likely to Experience a Tremendous Growth during 2020-2025. OpenPR, 2020.
  3. Antiepileptic Drugs [AED] Market Size, Trends | Forecast, 2032. Fortune Business Insights, 2023.
  4. DILANTIN (phenytoin sodium) Label. FDA, 2021.
  5. Vizient projects drug price inflation at 3.81%. Vizient Inc., 2024.

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