Encephalopathy with electrical status epilepticus in sleep (ESES syndrome) Nervous System Diseases
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1. Age 2 to 12 years 2. A diagnosis within six months prior to study inclusion (preferentially as soon as possible) of either typical or atypical ESES syndrome (as defined in study protocol) 3. No previous treatment with anti-epileptic drugs in the context of ESES 4. No previous treatment with either clobazam or corticosteroids 5. No current treatment with carbamazepine, oxcarbazepine, vigabatrin, tiagabine, gabapentin and pregabalin and no treatment with any of these drugs in the previous three months 6. Written informed consent by parents / legal representatives
Exclusion criteria
Exclusion criteria: 1. Patients with a spike wave index during wakefulness of > 50% 2. Any condition that, in the investigator?s judgement, contraindicates the use of clobazam or corticosteroids
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| 1. Intelligence quotient, or developmental quotient 2. Cognitive sumscore Improvement is defined as significant when improved by at least 75% of the standard deviation. | — |
Secondary
| Measure | Time frame |
|---|---|
| Secondary outcomes will be evaluated after 6 and 18 months: 1. Individual absolute test results, and IQ scores 2. Spike wave index during Non-rapid eye movement (non-REM) sleep. Improvement is defined as a decrease to less than 25% 3. Seizure frequency. Improvement is defined as a reduction of 50% or more as compared with baseline 4. Safety and tolerability, as assessed by the occurrence of serious adverse events 5. Differences in pro-inflammatory cytokine levels in patients with ESES who respond to either treatment strategies compared to non responders Added 28/02/2014: 6. Assessment of global daily functioning assessed with a visual analogue scale (VAS, -5 to 5) | — |
Countries
Belgium, Bulgaria, Denmark, Finland, France, Germany, Italy, Netherlands, Romania, Spain, United Kingdom