Question: What are the treatments for Lennox-Gastaut Syndrome ?
Answer: Treatment for Lennox-Gastaut syndrome includes clobazam and anti-epileptic medications such as valproate, lamotrigine, felbamate, or topiramate. There is usually no single antiepileptic medication that will control seizures. Children who improve initially may later show tolerance to a drug or have uncontrollable seizures.
Source: NINDS

Question: What is the outlook for Lennox-Gastaut Syndrome ?
Answer: The prognosis for individuals with Lennox-Gastaut syndrome varies. There is no cure for the disorder. Complete recovery, including freedom from seizures and normal development, is very unusual.
Source: NINDS

Question: what research (or clinical trials) is being done for Lennox-Gastaut Syndrome ?
Answer: The NINDS conducts and supports a broad program of basic and clinical research on epilepsy including Lennox-Gastaut syndrome. These studies are aimed at finding the causes of these disorders, improving the diagnosis, and developing new medications and other therapies.
Source: NINDS