Clinical trials
Phase 3 Epilepsy trials in the United States
Search ClinicalTrials.gov registrations by keyword, then narrow by condition, phase, status, country and start year.
125 trials match Source: ClinicalTrials.gov registrations
Trials started per year
By phase, 2000 to 2026.
| Category | Trials |
|---|---|
| 2000 | 1 |
| 2001 | 1 |
| 2002 | 4 |
| 2003 | 1 |
| 2004 | 4 |
| 2005 | 6 |
| 2006 | 8 |
| 2007 | 10 |
| 2008 | 10 |
| 2009 | 2 |
| 2010 | 7 |
| 2011 | 9 |
| 2012 | 7 |
| 2013 | 4 |
| 2014 | 6 |
| 2015 | 8 |
| 2016 | 4 |
| 2017 | 4 |
| 2018 | 3 |
| 2019 | 3 |
| 2020 | 2 |
| 2021 | 5 |
| 2022 | 4 |
| 2023 | 3 |
| 2024 | 3 |
| 2025 | 4 |
| 2026 | 2 |
Status
Trials by registry status. Select a bar to filter.
| Category | Trials |
|---|---|
| Completed | 89 |
| Terminated | 19 |
| Recruiting | 8 |
| Active, not recruiting | 3 |
| Enrolling by invitation | 3 |
| Withdrawn | 3 |
Top lead sponsors
A sponsor with a page on Pharma Observatory links to it.
| Category | Trials |
|---|---|
| UCB Pharma | 13 |
| GlaxoSmithKline | 10 |
| Pfizer's Upjohn has merged with Mylan to form Viatris Inc. | 8 |
| UCB BIOSCIENCES, Inc. | 8 |
| Eisai Inc. | 6 |
| Jazz Pharmaceuticals | 6 |
| Xenon Pharmaceuticals Inc. | 6 |
| Marinus Pharmaceuticals | 4 |
| Sumitomo Pharma America, Inc. | 4 |
| UCB Biopharma S.P.R.L. | 4 |
Top conditions
MeSH conditions the trials were registered with, not their broader categories. A condition with a page on Pharma Observatory links to it.
| Category | Trials |
|---|---|
| Epilepsy | 125 |
| Seizures | 60 |
| Epilepsies, Partial | 20 |
| Epilepsies, Myoclonic | 11 |
| Lennox Gastaut Syndrome | 7 |
| Brain Diseases | 6 |
| Migraine Disorders | 4 |
| Epilepsy, Absence | 3 |
| Neurodevelopmental Disorders | 3 |
| Central Nervous System Diseases | 2 |
Trials
Showing 1 to 25 of 125. Each trial links to its page on Pharma Observatory.
25 more trials match. See them on Pharma Observatory
Recently changed trials
Changes observed in the last 7 days, newest first, site-count changes left out. Source: ClinicalTrials.gov.
No changes to these trials in the last 7 days.
Go deeper on Pharma Observatory
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