Phase 3 Epilepsy Trial, Recruiting
Who may be able to join
AI generated eligibility summary. Written by an AI model from the official source data and checked on a sample basis. It can contain mistakes, so confirm anything important against the original source. How we use AI
Who might be able to join this trial:
- You or your child has been diagnosed with a GRIN-related neurodevelopmental disorder (GRIN-NDD)
- You or your child has a specific type of genetic change (called a loss-of-function variant) in one of these genes: GRIN1, GRIN2A, GRIN2B, or GRIN2D
- A parent, caregiver, or legal guardian has been fully informed about the study and has agreed to take part by signing a consent form
- If the participant is able to understand and agree themselves, they have also signed a consent or agreement form, following local rules and based on their ability to understand
- The parent(s) or caregiver(s) are willing and able to attend study visits and follow the study procedures
- If the participant has previously taken L-serine supplements, they are willing to stop taking them for at least one week before the study begins
Who may not be able to join:
- The participant is younger than 2 years old at the time of screening
- The participant has a known allergy or intolerance to L-serine, the placebo, or any ingredients used in the study treatments
- The participant has another serious or unstable health condition (other than epilepsy) that the study doctor believes could put them at risk or affect their ability to take part
- The participant has any other significant illness or condition that could affect their safety, the study results, or their ability to complete the study
- The parent(s) or caregiver(s) are not able to provide adequate supervision, as judged by the study doctor
- The participant has taken part in another clinical trial using an experimental medicine within the past 6 months
- The participant is pregnant or breastfeeding
- The genetic change found in the participant's GRIN gene cannot be clearly confirmed to affect gene function in the specific way required for this study (confirm with trial site)
Important: Always verify eligibility with the trial site directly before applying.
Based on publicly available eligibility criteria from ClinicalTrials.gov. Verify directly with the trial site before acting. This is not medical advice.
Contact this trial
Phone: 00390555662719
Contact details sourced from ClinicalTrials.gov. Verify directly with the trial site before attending.
GP referral letter
Print a one-page summary to share with your doctor.
Trial details
Where this trial is recruiting
Primary endpoints
Change in Clinical Global Impression - Severity (CGI-S) score
Can't join this trial?
Data last synced from ClinicalTrials.gov: 23 July 2026. Trial status can change. Always verify current status directly with the trial site before making any decision.