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Cannabis oil trial aims to tame seizures in rare genetic disorder

NCT ID NCT07403266

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now This study
This trial is taking on new participants right now.
Not yet recruiting
Registered, but not yet taking participants.
By invitation only
Not open to general applications. Only people the study team invites can take part.
Paused
Paused for now. It may or may not start again.
Ongoing
Running, but no longer taking on new participants.
Completed
The trial has finished. Results may not be published yet.
Stopped early
Stopped early, before it reached the end. That can be for many reasons, including safety.
Cancelled
Cancelled before anyone took part.

Expanded access (not trials)

Expanded access
Not a trial. This treatment can be requested outside a study, case by case, for people who qualify.
Expanded access (paused)
Not a trial. The treatment can normally be requested outside a study, but is unavailable right now.
Expanded access (ended)
Not a trial. The treatment could once be requested outside a study, but no longer can.
Approved
The treatment has been approved, so it is available normally rather than through this programme.

When the status isn't known

Details not published
The full record has not been published yet, so there is little to show here.
Status unknown
This status has not been confirmed recently, so it may be out of date.

First seen Jun 26, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This Phase 3 trial tests a full-spectrum cannabis extract (YCJ-01) in 84 people aged 2 to 65 with tuberous sclerosis complex (TSC) whose seizures have not been controlled by standard treatments. Participants will receive either the cannabis extract or a placebo for two months. The study measures whether the extract reduces monthly seizure counts and monitors for side effects.

What this could mean

Our plain-language read of the trial. This is informational only, not medical advice or a prediction.

Active substance
full-spectrum cannabis extract (YCJ-01)
What this could lead to
If it works, this could offer a new treatment option to reduce seizures in people with tuberous sclerosis complex who have not responded to other therapies.
What could go wrong
This is a Phase 3 trial, but it is still relatively small (84 participants). The cannabis extract may not reduce seizures more than a placebo, and side effects are possible.

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

Phase 3

Large-scale testing in a bigger group. Usually the last step before a treatment can be approved.

Participants

About 84 people

The number the study aims to enrol. It can still change while the study runs.

Started

Jun 2024

Expected to finish

Jun 2027

An estimate. End dates often move.

Lead sponsor

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

2 to 65 years

Sex

Anyone

Healthy volunteers

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

Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.

Inclusion Criteria:Patients of any sex between 2 and 65 years of age (both included) Diagnosis confirmed by the TSC investigator (by clinical criteria and/or genetic study). Refractory epilepsy secondary to TSC, defined as that not responding successfully to traditional AEDs (2 or more), ketogenic diet, vagal nerve stimulator, and/or whose patients are not candidate for epilepsy surgery or persist with seizures after surgery. Patients with a minimum of 4 epileptic seizures or more within 4 weeks prior to the initiation of the assigned treatment in the trial, with observable external signs (loss of consciousness or motor component). Stability in AEDs doses, and in ketogenic diet/programming of the device associated with the vagal nerve stimulator with no changes for at least 4 weeks prior to the initiation of the assigned treatment. Patients who are in treatment with 3 or less AEDs at the time of signing the informed consent. For the purposes of assessing eligibility, Clobazam will not be counted as AED Willingness by patients or caregivers/family members (in case of patients who are minors or under legal guardianship) to complete the seizure diary. In case of women of child-bearing age, for safety, those who agree to follow the required contraceptive measures from the signing of the informed consent until three months after stop the intake of the investigational medicinal product. Patients who have signed the informed consent either by themselves or through a legal representative. \- Exclusion Criteria:Patients who are receiving treatment on corticoids at the time of signing the informed consent. Pregnancy. Breastfeeding women To have participated in another clinical trial, unless at least 5 half- lives of the investigational product have elapsed, or 12 weeks, if it is a product with cannabis oil. Patients who have received products with cannabis oil in the last 12 weeks. Patients who did not correctly follow the AED treatment in the 4 weeks prior to the intervention assigned in the trial. Patients who changed medication or AED dose, ketogenic diet, or the vagal stimulator during the 4 weeks prior to the initiation of the intervention assigned in the trial. Cardiac, renal, and hepatic failure, pancreatic insufficiency, or hematologic dysfunction with values above the normal limits of creatinine and urea; values 2 times the normal limits of transaminases, lipases, and serum amylase; platelets \< 80000/mm3, and white blood cell count \<3000/mm3. Uncontrolled severe medical condition such as: hepatic disease, increased bilirubin levels more than twice the normal limit, cirrhosis, chronic hepatitis (hepatitis B or C), uncontrolled diabetes (defined as blood glucose \>150 mg%), (chronic or acute) active infections or uncontrolled severe infections, or active bleeding. Patients or family/caregivers (in case of patients who are minors or under legal guardianship) who does not agree to comply with the requirements and trial visits or present a high risk of non-compliance with the protocol, according to the treating physician. Allergy to any of the components of the investigational medicinal product/placebo. Family (considering only first-degree blood relatives) or personal history of schizophrenia. Personal history of suicide attempts. \-

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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.

  1. The study's own enquiry address

    This study publishes an address for enquiries. See it below .

  2. The places running it

    1 site. The list below names each one and where it is.

  3. The official record

    ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.

    Open the record ↗

  4. A doctor treating you

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Contacts and locations

Study contacts

  • Contact

    Email: •••••@•••••

Locations

  • Hospital Ruber Internacional

    RECRUITING

    Madrid, 28034, Spain

    Contact Email: •••••@•••••

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