Neuropharmacology & Neurotherapeutics
Jul. 27, 2021
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Lennox-Gastaut syndrome is a severe form of epilepsy. Seizures begin in early childhood, usually before the age of 4 years.
Children, adolescents, and adults with Lennox-Gastaut syndrome have multiple types of seizures that vary among individuals. Common seizure types include:
There may be periods of frequent seizures mixed with relatively seizure-free periods. Although not always present at the onset of seizures, most people living with Lennox-Gastaut syndrome experience some degree of impaired intellectual functioning or information processing, along with developmental delays and behavioral disturbances. A particular pattern of brain electric activity can be seen using electroencephalogram (EEG).
Lennox-Gastaut syndrome can be caused by a variety of conditions, including:
No cause can be found in 30 to 35 percent of individuals and Lennox-Gastaut syndrome can be very difficult to treat. A combination of seizure medications and other treatments may be used to improve seizure control and other associated conditions.
The medication valproate is generally considered a first-line therapy for various seizure types. Other anticonvulsant medications may include clobazam, felbamate, lamotrigine, rufinamide, topiramate, and cannabidiol. The U.S. Food and Drug Administration (FDA) approved cannabidiol (Epidolex, derived from marijuana) for the treatment of seizures associated with Lennox-Gastaut syndrome in individuals ages 2 and older. The drug contains only small amount of the psychoactive element in marijuana and does not induce euphoria associated with the drug.
Other treatment options include:
Medication may be combined with the other treatments to optimize seizure control. Children who improve initially may later show tolerance to a drug or have uncontrollable seizures.
The prognosis for individuals with Lennox-Gastaut syndrome varies. There is no cure for the disorder. Complete recovery, including freedom from seizures, is very rare.
How can I or my loved one help improve care for people with Lennox-Gastaut syndrome?
Consider participating in a clinical trial so clinicians and scientists can learn more about Lennox-Gastaut syndrome and related disorders. Clinical research uses human volunteers to help researchers learn more about a disorder and perhaps find better ways to safely detect, treat, or prevent disease.
All types of volunteers are needed—those who are healthy or may have an illness or disease—of all different ages, sexes, races, and ethnicities to ensure that study results apply to as many people as possible, and that treatments will be safe and effective for everyone who will use them.
For information about participating in clinical research visit NIH Clinical Research Trials and You. Learn about clinical trials currently looking for people with Lennox-Gastaut syndrome at Clinicaltrials.gov.
Where can I find more information about Lennox-Gastaut syndrome?
More information is available from the following organizations:
Child Neurology Foundation
Phone: 301-459-3700 or 800-332-1000; 866-748-8008 Spanish
Content source: https://www.ninds.nih.gov/health-information/disorders/lennox-gastaut-syndrome Accessed July 13, 2023.
The information in this document is for general educational purposes only. It is not intended to substitute for personalized professional advice. Although the information was obtained from sources believed to be reliable, MedLink, its representatives, and the providers of the information do not guarantee its accuracy and disclaim responsibility for adverse consequences resulting from its use. For further information, consult a physician and the organization referred to herein.