Learn About Hypereosinophilic Syndrome

What is the definition of Hypereosinophilic Syndrome?
Hypereosinophilic syndrome (HES) refers to a rare group of conditions that are associated with persistent eosinophilia with evidence of organ involvement. Signs and symptoms vary significantly based on which parts of the body are affected. Although any organ system can be involved in HES, the heart, central nervous system, skin, and respiratory tract are the most commonly affected. The condition was originally thought to be "idiopathic" or of unknown cause. However, recent advances in diagnostic testing have allowed a cause to be identified in approximately a quarter of cases.
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What are the alternative names for Hypereosinophilic Syndrome?
  • Hypereosinophilic syndrome
  • HES
  • Hypereosinophilic syndrome, idiopathic
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What are the latest Hypereosinophilic Syndrome Clinical Trials?
A Multicentre, Randomised, Double-blind, Parallel-group, Placebo-controlled, 24-week Phase 3 Study With an Open-label Extension to Evaluate the Efficacy and Safety of Benralizumab in Patients With Hypereosinophilic Syndrome (HES)

Summary: This is a multicentre, randomised, double-blind (DB), parallel-group, placebo-controlled, 24-week Phase 3 study to compare the efficacy and safety of benralizumab versus placebo administered by SC injection Q4W in patients with hypereosinophilic syndrome (HES). This study comprises 2 distinct periods (together defined as the 'main study'): A 24-week, DB treatment period, during which patients will...

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A Longitudinal Study of Familial Hypereosinophilia (FE): Natural History and Markers of Disease Progression

Summary: Eosinophils are a type of white blood cell. Elevated eosinophil levels can damage the heart, nerves, and other organs, in the syndrome known as hypereosinophilic syndrome (HES). Some individuals have a hereditary form of HES known as familial eosinophilia (FE). More research on the causation and mechanisms of HES is needed in order to design more effective and less toxic therapies. This study will...

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Published Date: May 02, 2022
Published By: Genetic and Rare Diseases Informnation Center

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