A Study to Investigate JNJ-40411813 in Combination With Levetiracetam or Brivaracetam in Epilepsy
Public ClinicalTrials.gov record NCT04836559. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.
Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.
Official title
A Randomized, Double-Blind, Placebo-Controlled, Parallel-Group, Multicenter Study to Evaluate the Efficacy, Safety, and Tolerability of JNJ-40411813 as Adjunctive Therapy in Subjects With Focal Onset Seizures With Suboptimal Response to Levetiracetam or Brivaracetam
Brief summary
Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.
The purpose of this study is to evaluate the efficacy of up to 3 dose levels of adjunctive JNJ-40411813 compared to placebo based on the time to baseline monthly seizure count in participants with focal onset seizures who are receiving levetiracetam or brivaracetam and up to 3 other anti-epileptic drugs (AEDs) (double-blind treatment period) and to evaluate the long-term efficacy and safety of adjunctive therapy with JNJ-40411813 in participants with epilepsy (open-label extension \[OLE\] period).
Study identification
- NCT ID
- NCT04836559
- Recruitment status
- Completed
- Study type
- Interventional
- Phase
- Phase 2
- Enrollment
- 110 participants
Conditions and interventions
Conditions
Eligibility (public fields only)
- Age range
- 18 Years to 69 Years
- Sex
- All
- Healthy volunteers
- Healthy volunteers not accepted
This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.
Study timeline
- Start date
- May 18, 2021 (Actual)
- Primary completion
- Feb 8, 2024 (Actual)
- Completion
- Feb 8, 2024 (Actual)
- Last update posted
- Jul 3, 2025
2021 – 2024
United States locations
- U.S. sites
- 7
- U.S. states
- 6
- U.S. cities
- 7
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| Tucson Neuroscience Research | Tucson | Arizona | 85710 | — |
| Research Institution of Orlando, LLC | Orlando | Florida | 32806 | — |
| Accel Research Sites | Port Orange | Florida | 32127 | — |
| Maine Medical Center | Scarborough | Maine | 04074 | — |
| Mid-Atlantic Epilepsy and Sleep Center | Bethesda | Maryland | 20817 | — |
| Thomas Jefferson University Hospital | Philadelphia | Pennsylvania | 19107 | — |
| University of Virginia | Charlottesville | Virginia | 22903 | — |
Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.
Non-U.S. locations
This page focuses on the U.S. directory. The official record also lists 62 non-U.S. sites.
About this trial record page
- What this page shows
- Public field values for ClinicalTrials.gov record NCT04836559, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
- What this page does not do
- No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
- Where the data comes from
- Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
- Last refresh
- Last update posted Jul 3, 2025 · Synced Oct 20, 2026
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Open the official record
The complete public registry record, listed eligibility criteria, and available contact information for NCT04836559 live on ClinicalTrials.gov.