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J Neurosci Rural Pract. 2017 Apr-Jun;8(2):225-227. doi: 10.4103/0976-3147.203820.

Lennox-Gastaut Syndrome: A Prospective Follow-up Study.

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Department of Neurology, King George Medical University, Lucknow, Uttar Pradesh, India.



Lennox-Gastaut syndrome is a catastrophic epileptic encephalopathy. In Lennox-Gastaut syndrome, seizures are resistant to pharmacological treatment. In this prospective study, we evaluated the clinical features, neuroimaging, and response to treatment.


Forty-three consecutive newly diagnosed patients of Lennox-Gastaut syndrome were enrolled in the study. Baseline clinical assessment included seizure semiology, seizure frequency, electroencephalography, and neuroimaging. Patients were treated with combinations of preferred antiepileptic drugs (sodium valproate [VPA], clobazam [CLB], levetiracetam [LVT], lamotrigine [LMT], and topiramate [TPM]). Patients were followed for 6 months. The outcome was assessed using modified Barthel index.


Tonic and generalized tonic-clonic forms were the most common seizures types. Features suggestive of hypoxic-ischemic encephalopathy (37.2%) were most frequent neuroimaging abnormality. Neuroimaging was normal in 32.6% of patients. With a combination valproic acid (VPA), CLB, and LVT, in 81.4% of patients, we were able to achieve >50% reduction in seizure frequency. Eleven (25.58%) patients showed an improvement in the baseline disability status.


A combination of VPA, CLB, and LVT is an appropriate treatment regimen for patients with Lennox-Gastaut syndrome.


Clobazam; Lennox–Gastaut syndrome; levetiracetam; seizure; valproic acid

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