, Volume 29, Issue 12, pp 2301-2305
Date: 07 Jun 2013

Successful everolimus therapy for SEGA in pediatric patients with tuberous sclerosis complex

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Abstract

Purpose

Tuberous sclerosis complex (TSC) is associated with hamartomatous growths including subependymal giant cell astrocytomas (SEGAs). Although, SEGAs are slow-growing glioneuronal tumors, they represent a significant cause of morbidity and mortality due to the risk of sudden death from acute hydrocephalus. Neurosurgical resection has been the mainstay of therapy, since radiotherapy and chemotherapy were proved inefficient in those tumors. Recent studies support the use of everolimus for subependymal giant cell astrocytomas associated with tuberous sclerosis and suggest it might represent a disease-modifying treatment for other aspects of tuberous sclerosis.

Methods

We describe the clinical and radiological progression of three pediatric patients with definitive diagnosis of TSC and SEGA, which have been treated with everolimus.

Results

Up to 34 % sustained SEGA decrease was observed in the three cases. All three patients have experienced seizure control and two of them have showed cognitive and behavioral improvement. Everolimus has been well tolerated by all. No severe adverse events have been observed to date.

Conclusion

Everolimus offers significant promise in treating SEGAs. Studies are required to explore optimal therapy duration and management upon discontinuing therapy.