Phase 2 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 must be willing and able to sign a consent form (and an assent form if required for your age) and follow all study requirements.
- You must be between 10 and 18 years old (inclusive) at the time of signing the consent form.
- Female participants must not be pregnant or breastfeeding.
- All male participants and females who could become pregnant must avoid donating sperm or eggs from the time of consent until at least 12 weeks after receiving the study drug.
- If you are sexually active and pregnancy is possible, you must use highly effective birth control from the time of consent until at least 12 weeks after receiving the study drug.
- You must have a genetically confirmed diagnosis of Lafora disease, shown by a known gene mutation in EPM2A or EPM2B.
- You must score 9 or higher on the Lafora Disease Problem Scale (LDPS), including a motor score of at least 2, meaning you can walk at least 10 steps on your own.
Who may not be able to join:
- You have significant health problems in your medical history, such as a stroke in the past 6 months or major surgery in the past 3 months.
- Your platelet count (a blood measure related to clotting) is below 80,000/mm³, or you have other significant abnormal blood test results.
- You have a history of bleeding disorders or problems with blood clotting.
- You currently have an active infection requiring antiviral or antibiotic treatment that will not be finished before the first day of the study.
- You are unwilling to follow the study procedures or cooperate with the research team.
- You are unable or unwilling to have a lumbar puncture (a procedure to collect fluid from around the spine).
- You have a known history of, or have tested positive for, HIV, hepatitis C, or chronic hepatitis B.
- You have moderate to severe liver or kidney problems.
- You have had cancer in the past 5 years (some exceptions may apply — confirm with trial site).
- You have uncontrolled high blood pressure (the specific blood pressure limits depend on your age — confirm with trial site).
- You have received a similar type of drug (called an oligonucleotide or siRNA) within the past 4–12 months, or you have had an allergic reaction to this type of drug in the past (note: COVID-19 mRNA vaccines are not included in this restriction).
- You have a history of alcohol or drug misuse within the past 12 months, or are currently misusing alcohol or drugs.
- You have taken part in another clinical trial or used an experimental drug or device within the past 30 days (or longer, depending on the drug — confirm with trial site).
- You have taken blood-thinning or anti-clotting medications (such as warfarin, clopidogrel, or rivaroxaban) within the 14 days before screening, or expect to need them during the study (low-dose aspirin may be an exception — 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
Principal Investigator: Berge Minassian, MD, University of Texas Southwestern Medical Center
Phone: 214-456-9501
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
Safety of ION283 as assessed by the number of participants with Treatment related AEs
Can't join this trial?
Data last synced from ClinicalTrials.gov: 28 July 2026. Trial status can change. Always verify current status directly with the trial site before making any decision.