Epilepsy syndrome
MONDO:0015650A syndrome that has a characteristic cluster of clinical features and/or lectroencephalographic (EEG) findings that reflect underlying epileptic activity. It is often associated with a range of other health issues, including cognitive impairment, intellectual disability, physical gross motor and fine motor delays, speech and language deficits, and impacts to other bodily functions and may be supported by specific etiological findings—such as structural, genetic, metabolic, immune, or infectious causes or have an unknown etiology.
Also known as: epileptic syndrome, syndromic epilepsy
160 clinical trials for this condition and its sub-types.
Follow this condition — get notified about new trialsSub-types
Broader categories
-
Seizure drug safety trial halted early for dravet and LGS patients
Disease control TerminatedThis study looked at the long-term safety of soticlestat when added to standard seizure medicines for people with Dravet syndrome or Lennox-Gastaut syndrome. It included 352 children and adults who had already been in earlier studies. The trial was terminated early, so results ar…
Phase: PHASE3 • Sponsor: Takeda • Aim: Disease control
Last updated Jun 27, 2026 13:05 UTC
-
Promising seizure drug study halted early
Disease control TerminatedThis study looked at the long-term safety of the drug NBI-921352 for people with a rare genetic seizure disorder called SCN8A-DEE. It was an extension of an earlier study, and participants took the drug alongside their usual seizure medications. The study was stopped early and on…
Phase: PHASE2 • Sponsor: Neurocrine Biosciences • Aim: Disease control
Last updated Jun 27, 2026 12:37 UTC
-
Could a repurposed drug tame seizures in adult dravet patients?
Disease control TerminatedThis study tested the drug fenfluramine (FINTEPLA) in adults with Dravet syndrome whose seizures were not controlled by other medications. The trial was open-label and added fenfluramine to existing treatments. It aimed to see if the drug could reduce monthly seizures by at least…
Phase: PHASE3 • Sponsor: University Health Network, Toronto • Aim: Disease control
Last updated Jun 27, 2026 12:29 UTC
-
New drug aims to tame hard-to-control seizures in rare mitochondrial disorders
Disease control TerminatedThis study tested a drug called vatiquinone in 68 people with mitochondrial disease and epilepsy that doesn't respond to standard treatments. Participants were randomly assigned to receive either vatiquinone or a placebo for 24 weeks to see if the drug could reduce the number of …
Phase: PHASE2, PHASE3 • Sponsor: PTC Therapeutics • Aim: Disease control
Last updated Jun 27, 2026 12:03 UTC
-
Epilepsy drug study halted early: BHV-7000 shows limited promise
Disease control TerminatedThis study tested whether BHV-7000, taken alongside other medications, could reduce generalized tonic-clonic seizures in people with idiopathic generalized epilepsy. The trial was terminated early and enrolled only 27 adults aged 18-75. The main goal was to see how long it took f…
Phase: PHASE2, PHASE3 • Sponsor: Biohaven Therapeutics Ltd. • Aim: Disease control
Last updated Jun 27, 2026 12:00 UTC
-
New drug shows promise for Tough-to-Treat seizures in kids
Disease control TerminatedThis study looked at the long-term safety of soticlestat, an experimental drug, in children and adults with severe forms of epilepsy like Dravet syndrome and Lennox-Gastaut syndrome. Participants took soticlestat twice a day along with their usual seizure medicines. The study was…
Phase: PHASE2 • Sponsor: Takeda • Aim: Disease control
Last updated Jun 27, 2026 11:03 UTC
-
Epilepsy drug study for kids halted early: what we know
Disease control TerminatedThis study looked at the long-term safety of a drug called NBI-827104 in children with a rare epilepsy that causes seizures during sleep. The trial was stopped early and only enrolled 19 children, so the results are limited. The main goal was to see how many children had serious …
Phase: PHASE2 • Sponsor: Neurocrine Biosciences • Aim: Disease control
Last updated Jun 27, 2026 09:05 UTC
-
Promising epilepsy drug trial halted early – what we know
Disease control TerminatedThis study tested an experimental drug called NBI-921352 in people aged 2 to 21 with a rare, severe form of epilepsy caused by a change in the SCN8A gene. The goal was to see if adding this drug to their current seizure medicines could reduce how often they had seizures. The tria…
Phase: PHASE2 • Sponsor: Neurocrine Biosciences • Aim: Disease control
Last updated Jun 27, 2026 07:54 UTC
-
Seizure drug study halted after just one patient
Disease control TerminatedThis study tested the drug perampanel in adults whose seizures did not stop with standard treatments. The goal was to see if it could safely stop seizures and reduce time in the hospital. Only one person enrolled before the study was ended early, so no clear conclusions can be dr…
Phase: PHASE4 • Sponsor: Wayne State University • Aim: Disease control
Last updated Jun 27, 2026 07:54 UTC
-
Dravet syndrome drug trial halted early: did lorcaserin help?
Disease control TerminatedThis study tested whether lorcaserin, when added to current medications, could reduce convulsive seizures in people with Dravet syndrome, a severe form of epilepsy. The trial planned to enroll about 22 participants aged 2 and older, but it was terminated early. The main goal was …
Phase: PHASE3 • Sponsor: Eisai Inc. • Aim: Disease control
Last updated Jun 27, 2026 07:53 UTC
-
Nerve block or antidepressant? study tests two migraine treatments Head-to-Head
Symptom relief TerminatedThis study compares two treatments for transformed migraine (chronic daily headache): a sphenopalatine ganglion nerve block using lidocaine gel applied inside the nose, versus daily oral amitriptyline (Elavil), an antidepressant often used for migraine prevention. Ten adults aged…
Phase: PHASE4 • Sponsor: Rutgers, The State University of New Jersey • Aim: Symptom relief
Last updated Jun 27, 2026 14:03 UTC
-
CBD study for baby seizures halted early
Symptom relief TerminatedThis study tested a cannabidiol (CBD) oral solution in children under 2 years old with tuberous sclerosis complex, Dravet syndrome, or Lennox-Gastaut syndrome who had uncontrolled seizures. The goal was to see if CBD is safe and can reduce seizures. However, the study was termina…
Phase: PHASE3 • Sponsor: Jazz Pharmaceuticals • Aim: Symptom relief
Last updated Jun 27, 2026 07:56 UTC
-
New implant could track seizures for months
Knowledge-focused TerminatedThis study tested a small device implanted under the scalp to record brain waves (EEG) continuously for up to 12 weeks in people with epilepsy. The goal was to see if it could detect seizures better than standard short-term hospital monitoring and patient diaries. The trial invol…
Phase: NA • Sponsor: UNEEG Medical A/S • Aim: Knowledge-focused
Last updated Jun 26, 2026 13:35 UTC