CI

At a glance

ClinicalIndex Comparison Record
Phase 2Completed· 110 enrolled
Drug / intervention
JNJ-40411813 +1 moredrug
Likely dose
Not stated in record
Structured eligibility isn't available for this trial yet — see the full criteria in the Eligibility tab below.

Standardized by ClinicalIndex from the ClinicalTrials.gov record · verify against the source.

Search/NCT04836559
NCT04836559Phase 2Completed

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

Janssen Research & Development, LLC·interventional·Posted Apr 8, 2021·Updated Jul 3, 2025

In Brief

A Phase 2 clinical trial evaluating JNJ-40411813 and Placebo for Focal Onset Seizures. Completed, enrolled 110 participants across 69 sites in 8 countries.

Detailed Summary

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 Details

Study Typeinterventional
Allocation--
Masking--
Primary Purpose--
CountriesBelgium, Germany, Poland, Russia, South Korea, Spain, Ukraine, United States
Collaborators--

Timeline

Phase 2CompletedFinished
20222023202420252026
First PostedApr 8, 2021
Enrollment StartMay 18, 2021
Primary CompletionFeb 8, 2024
TodayJul 2, 2026
Enrollment to primary: 2.7 yearsPosted 5.2 years ago

Interventions

JNJ-40411813drug

JNJ-40411813 will be administered orally.

Placebodrug

Placebo will be administered orally.