Should topiramate be initial therapy in the management of idiopathic intracranial hypertension?: A literature review

Document Type

Article

Publication Title

Medicine (United States)

Abstract

Idiopathic intracranial hypertension (IIH) is a condition of unknown etiology that primarily affects obese women of childbearing age. Symptoms include disabling headaches, visual disturbances, and intracranial noises (pulsatile tinnitus). Currently, no standardized treatment guidelines are available and the current management focuses on weight loss and acetazolamide use. There is an increasing body of evidence suggesting that the initial use of topiramate may be considered in IIH treatment. Acetazolamide is the recommended initial treatment for IIH, with topiramate often used as a second-line agent. Topiramate has multiple benefits to indicate it would pose effective in IIH management. Through varying mechanisms, it leads to weight loss and improves migraine headache control, the most common headache phenotype in IIH. Topiramate also inhibits the carbonic anhydrase enzyme like acetazolamide to reduce intracranial pressure and treat papilledema. The safety profile of topiramate is comparable or superior to acetazolamide. To date, there are limited studies comparing topiramate to acetazolamide or other treatment modalities in IIH. Based on its varying mechanisms of action, topiramate is a strong potential treatment agent for IIH, yet acetazolamide is often chosen first-line. However, the data supporting use of acetazolamide or topiramate is inefficient to designate one agent preferred over the other. There is a need for further studies assessing topiramate use in the treatment of IIH, and comparing topiramate use to other treatment modalities.

First Page

E35545

DOI

10.1097/MD.0000000000035545

Publication Date

10-20-2023

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