New epilepsy drug shows promise in Long-Term safety trial
NCT ID NCT07238868
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study tests an investigational drug called CB03-154 in 144 people with focal epilepsy. Participants take the drug for up to two years to see if it is safe and helps reduce seizures. The goal is to find a better long-term treatment option for epilepsy.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- CB03-154
- What this could lead to
- If successful, this could provide a new long-term treatment option to reduce seizure frequency in people with focal epilepsy.
- What could go wrong
- This is an early Phase 2 open-label study, so results may not confirm effectiveness. Side effects or lack of seizure control could limit its use.
This is an AI summary of the original study and may miss details. Read our disclaimer.
Study facts
What this study's own registry entry says, in plain language.
- Phase
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Phase 2
Tests whether the treatment actually works, and watches for side effects, in a larger group.
- Participants
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About 144 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Aug 2025
- Expected to finish
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Jun 2029
An estimate. End dates often move.
- Lead sponsor
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A company
The lead sponsor is a pharmaceutical, biotech, or medical-device company.
Who can take part
This study's own entry requirements. Only the study team can say for certain whether you qualify.
- Ages
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18 to 70 years
- Sex
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Anyone
- Healthy volunteers
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Not accepted
This study is not open to healthy volunteers. The entry requirements below say who it is open to.
Show the full entry requirements Hide the full entry requirements
Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: * 1\. The subject must be properly informed of the nature and risks of the study and give informed consent in writing, prior to entering the study. 2\. Subject must have successfully completed the DBP and have not terminated early from Study CB03-154-EP201, met all eligibility requirements, and had no important protocol deviations (in the opinion of the sponsor) or AEs (in the opinion of the investigator) that would preclude the subject's entry into the long-term extension study, and judged to be efficacious based on the blinded data review (in the opinion of the investigator). 3\. In the opinion of the investigator, the subject is able to understand verbal and written instructions and will adhere to all study schedules and requirements. 4\. Subject is able to keep accurate seizure diaries. Exclusion Criteria: \- 1. Subject met any of the withdrawal criteria while in Study CB03-154-EP201. 2. Subject has any medical condition, personal circumstance, or ongoing AE (from Study CB03-154-EP201) that, in the opinion of the investigator, exposes the subject to unacceptable risk by participating in the study, or prevents adherence to the protocol. 3\. Subject is planning to enter a clinical study with a different investigational drug or planning to use any experimental device for treatment of epilepsy during the study and until 28 days after completion of this study.
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
How to take part
Only the study team decides who joins. These are the ways to reach them.
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The places running it
1 site. The list below names each one and where it is.
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The official record
ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.
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A doctor treating you
A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.
Contacts and locations
Locations
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Alfred Health
RECRUITINGMelbourne, Victoria, 3004, Australia
More trials for these conditions
Other studies related to the condition(s) this trial covers.
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- Brain recordings reveal how we keep tabs on others — a window into social navigation
- New brain sensor aims to stop seizures in Drug-Resistant epilepsy
- New pill aims to curb focal seizures in adults
- Virtual tours may help spare memory in epilepsy surgery