Ended Therapeutic confirmatory (Phase III) Dravet and Lennox-Gastaut Syndromes

Open-label extesnion study of soticlestat in Dravet and Lennox-Gastaut Syndromes

EU CTIS ID: 2022-502802-34-00

What this study is testing

To asses the long-term safety and tolerability of soticlestat when administered as adjunctive therapy to SOC (eg ASMs, vagus nerve stimulation, ketogenic diet, modified Atkins diet) in subjects with DS or LGS.

  • Therapeutic confirmatory (Phase III)

A plain-language read of the study's public EU CTIS listing. The study team confirms the details.

Who can take part

You may be able to join if

  • 01. Subject must have: been previously enrolled in a phase 3 soticlestat clinical study; received at least 12 weeks of treatment (combined Titration and Maintenance Periods) with the study drug in the antecedent study and not have a serious or severe AE that, in the investigator’s or sponsor’s opinion, was related to the study drug and would make it unsafe for the patient to continue receiving the study drug.
  • 02. In the opinion of the investigator, the subject has the potential to benefit from the administration of soticlestat.
  • "03. In the opinion of the investigator, the subject and/or the subject’s parent or legal guardian or caregiver is capable of understanding and complying with protocol requirements including completion of appropriate assessments, maintaining an accurate and complete daily seizure diary, and taking study drug for the duration of the study. If the subject is living in a residential facility, a minimally possible number of staff member(s) at the facility who are the subject’s primary caretaker(s) may be identified as caregivers who (per investigator’s judgment) are capable of complying with protocol requirements as indicated above."
  • "04. The subject or the subject’s parent or legal guardian is willing and able to read, understand, and sign and date an informed consent form (ICF), assent form (if applicable), and any required privacy authorization before the initiation of any study procedures. In the opinion of the investigator, the subject and/or the subject’s parent or legal guardian or caregiver is capable of understanding and complying with protocol requirements including completion of appropriate assessments, maintaining an accurate and complete daily seizure diary, and taking study drug for the duration of the study. If the subject is living in a residential facility, a minimally possible number of staff member(s) at the facility who are the subject’s primary caretaker(s) may be identified as caregivers who (per investigator’s judgment) are capable of complying with protocol requirements as indicated above."
  • "05. Female subjects of childbearing potential (defined as first menarche) must have a negative pregnancy test and agree to use an effective (not applicable for Germany) or highly effective method of birth control during the study and for 30 days following the last dose of study drug. Effective contraceptive methods include the following (not applicable for Germany): • Double-barrier method (contraceptive sponge, diaphragm, or cervical cap with spermicidal jellies or creams PLUS male condom). • Progestogen-only hormonal contraception, where inhibition of ovulation is not the primary mode of action, PLUS condom with or without spermicide. Highly effective contraceptive methods include the following: • Nonhormonal methods: – Intrauterine device. – Bilateral tubal occlusion. – Vasectomized partner (provided that partner is the sole sexual partner of the trial participant and that the vasectomized partner has received medical assessment of the surgical success). Sexual abstinence: Sexual abstinence may be considered as a method only if defined as refraining from heterosexual intercourse and determined to be the usual lifestyle before entering the study with reliability of abstinence for the duration of the study participation and for 30 days after last dose of study drug. • Hormonal methods: – Combined (estrogen and progestogen) hormonal contraception associated with inhibition of ovulation, initiated at least 3 months before the first dose of study drug OR combined with a barrier method (male condom, female condom or diaphragm) if for shorter duration until she has been on contraceptive for 3 months. – Progestogen-only hormonal contraception associated with inhibition of ovulation, initiated at least 3 months before the first dose of study drug OR combined with a barrier method (male condom, female condom or diaphragm) if shorter until she has been on the contraceptive for 3 months."

You likely can't join if

  • 01. Unstable, clinically significant neurologic (other than the disease being studied), psychiatric, cardiovascular, ophthalmologic, pulmonary, hepatic, renal, metabolic, gastrointestinal, urologic, immunologic, hematopoietic, endocrine disease, malignancy including progressive tumors, or other abnormality that may impact the ability to participate in the study or that may potentially confound the study results. It is the responsibility of the investigator to assess the clinical significance; however, consultation with the medical monitor may be warranted.
  • 02. Abnormal and clinically significant ECG abnormality at Visit 1 including QT interval with Fridericia correction method (QTcF) >450 ms confirmed with a repeat ECG using manual measurement of QTcF. Clinically significant ECG abnormalities should be discussed with the medical monitor.
  • 03. Subject is currently pregnant or breastfeeding or is planning to become pregnant during the study or within 30 days of the last dose of study drug.
  • 04. Subject is considered by the investigator to be at imminent risk of suicide or injury to self, others, or property. Subjects who have positive answers on item numbers 4 or 5 on the C SSRS before dosing are excluded. This scale will only be administered to subjects aged ≥6 years.

The study team makes the final eligibility decision.

Where it's taking place

  • Brazil
  • Australia
  • Canada
  • Ukraine
  • Russian Federation
  • United States
  • China
  • Japan
  • Serbia

Questions & answers

Do participants get paid in this trial?

This listing doesn't specify compensation. Many trials still reimburse travel or offer a stipend, so it's worth asking the study team when you connect.

Is it free to join, and do I need insurance?

Searching and applying through BridgeMD is free. In clinical trials the study-related treatment and visits are generally provided at no cost to you. You usually don't need insurance to take part - confirm specifics with the study team.

How long does this study last?

The listing doesn't state an exact length. The study team walks you through the schedule and number of visits before you decide to enroll.

Who can join this trial?

This study is enrolling all sexes, 18-64 years, 0-17 years. The study team makes the final eligibility decision.

Where is this trial taking place?

Study sites include Brazil; Australia; Canada; Ukraine; Russian Federation; United States and 3 more location(s). Enter your location above to see the nearest site and check your eligibility.

Explore other conditions

BridgeMD is an information and trial-matching tool - not medical advice, and not the study sponsor. Details come from EU CTIS; the study team decides eligibility.