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Showing 1–24 of 55 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: Dilantin Clear all
Completed Phase 1 Interventional Accepts healthy volunteers

A Clinical Study of Belzutifan (MK-6482) Alone or With Phenytoin in Healthy Participants (CA46602/MK-6482-035)

NCT06903715
View directory record Official record
Conditions
Healthy
Interventions
Belzutifan, Phenytoin
Drug
Lead sponsor
Merck Sharp & Dohme LLC
Industry
Eligibility
18 Years to 60 Years
Enrollment
14 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025
U.S. locations
1
States / cities
Tempe, Arizona
Source: ClinicalTrials.gov public record
Updated Jun 12, 2025 · Synced Sep 5, 2026, 10:32 PM EDT
Completed Phase 3 Interventional Results available

A Placebo-controlled Study of Efficacy & Safety of 2 Trough-ranges of Everolimus as Adjunctive Therapy in Patients With Tuberous Sclerosis Complex (TSC) & Refractory Partial-onset Seizures

NCT01713946
View directory record Official record
Conditions
Tuberous Sclerosis Complex-associated Refractory Seizures
Interventions
RAD001, Placebo, Antiepileptic drug (1 to 3 only), open label RAD001 (only used for post-extension phase)
Drug
Lead sponsor
Novartis Pharmaceuticals
Industry
Eligibility
2 Years to 65 Years
Enrollment
366 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2017
U.S. locations
22
States / cities
Birmingham, Alabama • Phoenix, Arizona • Los Angeles, California + 18 more
Source: ClinicalTrials.gov public record
Updated Nov 6, 2018 · Synced Sep 5, 2026, 10:32 PM EDT
Completed Phase 1 Interventional

Ph I Oral Topotecan and Temozolomide for Patients With Malignant Gliomas

NCT00610571
View directory record Official record
Conditions
Glioblastoma, Gliosarcoma, Anaplastic Astrocytoma
Interventions
Oral Topotecan and Temodar
Drug
Lead sponsor
Katy Peters
Other
Eligibility
18 Years and older
Enrollment
62 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2012
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Oct 24, 2013 · Synced Sep 5, 2026, 10:32 PM EDT
Completed Phase 4 Interventional Results available

Assess Safety and Efficacy of Levetiracetam(LEV;Keppra)for Seizure Prevention

NCT00618436
View directory record Official record
Conditions
Traumatic Brain Injury, Subarachnoid Hemorrhage
Interventions
Levetiracetam, Phenytoin
Drug
Lead sponsor
University of Cincinnati
Other
Eligibility
18 Years and older
Enrollment
52 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2009
U.S. locations
1
States / cities
Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated Apr 6, 2014 · Synced Sep 5, 2026, 10:32 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Steady-State Study of Extended Phenytoin Sodium Capsules 100 mg and Dilantin® Kapseals® 100 mg

NCT00647621
View directory record Official record
Conditions
Healthy
Interventions
Extended Phenytoin Sodium Capsules 100 mg, Dilantin® Kapseals® 100 mg
Drug
Lead sponsor
Mylan Pharmaceuticals Inc
Industry
Eligibility
18 Years and older
Enrollment
72 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005
U.S. locations
1
States / cities
Fargo, North Dakota
Source: ClinicalTrials.gov public record
Updated Apr 23, 2024 · Synced Sep 5, 2026, 10:32 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Study of the Interaction of TAK-279 With Substances That Have an Impact on Metabolism in Healthy Adults

NCT05995249
View directory record Official record
Conditions
Healthy Volunteers
Interventions
TAK-279, Erythromycin, Phenytoin, Efavirenz
Drug
Lead sponsor
Takeda
Industry
Eligibility
18 Years to 55 Years
Enrollment
172 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023
U.S. locations
1
States / cities
Tempe, Arizona
Source: ClinicalTrials.gov public record
Updated Feb 5, 2024 · Synced Sep 5, 2026, 10:32 PM EDT
Terminated Phase 2 Interventional

Bone Marrow Transplant From Related Donor for Patients With High Risk Hemoglobinopathies

NCT00040469
View directory record Official record
Conditions
Sickle Cell Anemia, Hemoglobinopathy, Thalassemia
Interventions
Campath -1H, Dilantin, Busulfan, Cyclophosphamide
Drug
Lead sponsor
Baylor College of Medicine
Other
Eligibility
1 Day to 64 Years
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2000 – 2003
U.S. locations
2
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Jan 17, 2020 · Synced Sep 5, 2026, 10:32 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Study to Assess the Effect of Itraconazole, Phenytoin and Gemfibrozil on the Drug Levels of BMS-986166 in Healthy Participants

NCT04956627
View directory record Official record
Conditions
Healthy Participants
Interventions
BMS-986166, Itraconazole, Extended Phenytoin Sodium, Gemfibrozil
Drug
Lead sponsor
Bristol-Myers Squibb
Industry
Eligibility
18 Years to 55 Years
Enrollment
15 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
Berlin, New Jersey
Source: ClinicalTrials.gov public record
Updated May 12, 2022 · Synced Sep 5, 2026, 10:32 PM EDT
Completed No phase listed Observational

Developmental Effects On Children Of Women Who Take Antiepileptic Drugs During Pregnancy

NCT00021866
View directory record Official record
Conditions
Epilepsy, Seizure, Cognition Disorders
Interventions
Differential Abilities Scale, Neuropsychological Testing
Behavioral
Lead sponsor
Emory University
Other
Eligibility
Female only
Enrollment
331 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2000 – 2012
U.S. locations
20
States / cities
Birmingham, Alabama • Tucson, Arizona • Los Angeles, California + 17 more
Source: ClinicalTrials.gov public record
Updated Nov 10, 2013 · Synced Sep 5, 2026, 10:32 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Study to Assess the Effect of Phenytoin on the Drug Levels of Afimetoran and the Effect of Afimetoran on the Drug Levels of Midazolam

NCT05901714
View directory record Official record
Conditions
Healthy Participants
Interventions
Afimetoran, Phenytoin, Midazolam
Drug
Lead sponsor
Bristol-Myers Squibb
Industry
Eligibility
18 Years to 55 Years
Enrollment
65 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
1
States / cities
Miami, Florida
Source: ClinicalTrials.gov public record
Updated Aug 6, 2024 · Synced Sep 5, 2026, 10:32 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Phenytoin and Driving Safety: A Randomized, Controlled Cross-Over Study

NCT00581893
View directory record Official record
Conditions
Cognitive Measures, Driving Simulator Performance
Interventions
Phenytoin, Placebo oral capsule
Drug
Lead sponsor
University of Iowa
Other
Eligibility
25 Years to 60 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2008
U.S. locations
1
States / cities
Iowa City, Iowa
Source: ClinicalTrials.gov public record
Updated Jun 30, 2021 · Synced Sep 5, 2026, 10:32 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Effect of Ginkgo Biloba on Phenytoin Elimination

NCT00011063
View directory record Official record
Conditions
Healthy
Interventions
Ginkgo Biloba
Drug
Lead sponsor
National Institutes of Health Clinical Center (CC)
NIH
Eligibility
Not listed
Enrollment
12 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2001
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 3, 2008 · Synced Sep 5, 2026, 10:32 PM EDT
Completed No phase listed Observational

Genes Associated With Hereditary and Drug-Induced Gingival Overgrowth

NCT00104026
View directory record Official record
Conditions
Gingival Overgrowth
Interventions
Not listed
Lead sponsor
National Institute of Dental and Craniofacial Research (NIDCR)
NIH
Eligibility
2 Years to 80 Years
Enrollment
45 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2011
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 1, 2017 · Synced Sep 5, 2026, 10:32 PM EDT
Completed Phase 4 Interventional Results available

IV Keppra in the Emergency Department for Prevention of Early Recurrent Seizures

NCT00510783
View directory record Official record
Conditions
Tonic-clonic Seizure
Interventions
Keppra, Fosphenytoin, Dilantin
Drug
Lead sponsor
Emory University
Other
Eligibility
18 Years and older
Enrollment
158 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2008
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Dec 11, 2013 · Synced Sep 5, 2026, 10:32 PM EDT
Terminated Phase 2Phase 3 Interventional Results available

A Randomized Phase 2/3 Multi-Center Study of SM-88 in Participants With Metastatic Pancreatic Cancer

NCT03512756
View directory record Official record
Conditions
Pancreatic Cancer
Interventions
SM-88 used with MPS (methoxsalen, phenytoin, sirolimus), Capecitabine, Gemcitabine, and 5-FU
Drug
Lead sponsor
Tyme, Inc
Industry
Eligibility
18 Years and older
Enrollment
130 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2021
U.S. locations
20
States / cities
Birmingham, Alabama • Duarte, California • Santa Monica, California + 13 more
Source: ClinicalTrials.gov public record
Updated Nov 5, 2024 · Synced Sep 5, 2026, 10:32 PM EDT
Terminated Not applicable Interventional Results available

A Pilot Study of NSICU Assessment of Seizure Prophylaxis With Lacosamide

NCT01110187
View directory record Official record
Conditions
Traumatic Brain Injury
Interventions
lacosamide, Fosphenytoin
Drug
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
18 Years and older
Enrollment
11 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2012
U.S. locations
3
States / cities
Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated Apr 27, 2014 · Synced Sep 5, 2026, 10:32 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Study to Evaluate the Effect of Multiple Doses of Itraconazole, Phenytoin, and Paroxetine on the Single-Dose Pharmacokinetics of Poziotinib in Healthy Adult Participants

NCT04981704
View directory record Official record
Conditions
Healthy
Interventions
Poziotinib, Itraconazole, Phenytoin, Paroxetine
Drug
Lead sponsor
Spectrum Pharmaceuticals, Inc
Industry
Eligibility
18 Years to 55 Years
Enrollment
74 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021
U.S. locations
1
States / cities
Tempe, Arizona
Source: ClinicalTrials.gov public record
Updated Sep 4, 2021 · Synced Sep 5, 2026, 10:32 PM EDT
Terminated Phase 2 Interventional Results available

Celecoxib in Patients With Newly Diagnosed GBM Who Are Receiving Anticonvulsant Drugs and Undergoing RT

NCT00068770
View directory record Official record
Conditions
Brain and Central Nervous System Tumors
Interventions
radiation therapy, Celecoxib
Radiation · Drug
Lead sponsor
Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins
Other
Eligibility
18 Years and older
Enrollment
35 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2006
U.S. locations
7
States / cities
Tampa, Florida • Atlanta, Georgia • Baltimore, Maryland + 4 more
Source: ClinicalTrials.gov public record
Updated Mar 17, 2015 · Synced Sep 5, 2026, 10:32 PM EDT
Terminated Phase 4 Interventional Results available

Antiseizure Medication in Seizure Networks at Early Acute Brain Injury

NCT06081283
View directory record Official record
Conditions
Brain Injuries, Acute, Brain Injuries, Traumatic, Brain Ischemia, Brain Hypoxia, Hypoxia-Ischemia, Brain, Heart Arrest, Stroke, Intracranial Hemorrhages, Coma, Persistent Vegetative State
Interventions
Phenobarbital Sodium Injection, Levetiracetam, Lacosamide Injectable Product, Valproate Sodium, Fosphenytoin
Drug
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
18 Months to 70 Years
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2025
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Nov 13, 2025 · Synced Sep 5, 2026, 10:32 PM EDT
Completed Phase 1 Interventional Results available

Characterization of Epilepsy Patients BEEP 2b

NCT02707965
View directory record Official record
Conditions
Epilepsy
Interventions
Oxcarbazepine (brand name vs generic drugs), Divalproex Sodium (brand name vs generic drugs), Carbamazepine (brand name vs generic drugs), Lamotrigine (brand name vs generic drugs), levetiracetam (brand name vs generic drugs), Topiramate (brand name vs generic drugs), Zonisamide (brand name vs generic drugs), Phenytoin sodium (brand name vs generic drugs)
Drug
Lead sponsor
Food and Drug Administration (FDA)
Federal
Eligibility
18 Years to 76 Years
Enrollment
21 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2018
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 26, 2020 · Synced Sep 5, 2026, 10:32 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

AED/Statin Interaction Study

NCT00627575
View directory record Official record
Conditions
Epilepsy
Interventions
lamotrigine, atorvastatin, phenytoin
Drug
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
18 Years to 55 Years
Enrollment
119 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008
U.S. locations
1
States / cities
Buffalo, New York
Source: ClinicalTrials.gov public record
Updated Aug 3, 2017 · Synced Sep 5, 2026, 10:32 PM EDT
Completed Phase 3 Interventional

A Multi-center Trial to Evaluate Multiple Regimens in Metastatic Pancreatic Cancer

NCT04229004
View directory record Official record
Conditions
Metastatic Pancreatic Cancer, Metastatic Pancreatic Adenocarcinoma
Interventions
Gemcitabine combined with nab-paclitaxel, Dose -mFOLFIRINOX, Dose - Pamrevlumab combined with gemcitabine and nab-paclitaxel, Dose- Canakinumab and Spartalizumab combined with nab-paclitaxel and gemcitabine, Drug: Dose -SM-88
Drug
Lead sponsor
Pancreatic Cancer Action Network
Other
Eligibility
18 Years and older
Enrollment
502 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2025
U.S. locations
25
States / cities
La Jolla, California • Los Angeles, California • San Francisco, California + 18 more
Source: ClinicalTrials.gov public record
Updated Apr 5, 2025 · Synced Sep 5, 2026, 10:32 PM EDT
Completed Not applicable Interventional

A Prospective Trial to Assess Cost and Clinical Outcomes of a Clinical Pharmacogenomic Program

NCT02297126
View directory record Official record
Conditions
Adverse Drug Reaction
Interventions
Pharmacogenetic Intervention Arm (pharmacogenetic testing)
Other
Lead sponsor
Indiana University
Other
Eligibility
18 Years and older
Enrollment
4,465 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2019
U.S. locations
1
States / cities
Indianapolis, Indiana
Source: ClinicalTrials.gov public record
Updated Jan 7, 2021 · Synced Sep 5, 2026, 10:32 PM EDT
Completed Phase 1Phase 2 Interventional Results available

Busulfan, Fludarabine, and Total-Body Irradiation in Treating Patients Who Are Undergoing a Donor Stem Cell Transplant for Hematologic Cancer

NCT00245037
View directory record Official record
Conditions
Chronic Myeloproliferative Disorders, Leukemia, Lymphoma, Multiple Myeloma and Plasma Cell Neoplasm, Myelodysplastic Syndromes, Myelodysplastic/Myeloproliferative Neoplasms, Precancerous Condition
Interventions
therapeutic allogeneic lymphocytes, busulfan, cyclosporine, fludarabine phosphate, mycophenolate mofetil, peripheral blood stem cell transplantation, Total Body Irradiation (TBI), Granulocyte colony-stimulating factor (G-CSF), Phenytoin, Methotrexate
Biological · Drug · Procedure + 1 more
Lead sponsor
OHSU Knight Cancer Institute
Other
Eligibility
18 Years to 80 Years
Enrollment
147 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2015
U.S. locations
1
States / cities
Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Sep 26, 2017 · Synced Sep 5, 2026, 10:32 PM EDT