Abstract
Idiopathic hypersomnia (IH) is a rare sleep disorder, recently hypothesized to be related to the production of a molecule that facilitates the binding of gamma-aminobutyric acid (GABA) to the GABA receptor. This paper reports on the treatment of a patient with IH who was treated with a 96-hour continuous low dose (4 mg/day) infusion of a benzodiazepine antagonist, flumazenil, followed by a slow-release flumazenil implant. The use of flumazenil mitigated the patient’s IH symptoms including excessive daytime sleepiness, sleep drunkenness and self-reported cognitive problems. The case both provides a possible treatment and system for short (subcutaneous (SC) administration) and longer term (implant) flumazenil delivery. Current data supports the need for further research into the use of flumazenil for the treatment of IH and to develop long term flumazenil delivery systems.
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