Do You Have Hypereosinophilic Syndrome (HES)?


  • Are you or your child at least 12 years old?
  • Do you have a diagnosis of HES?
  • Does your HES require treatment?


If you can say yes to all of these then you may qualify to take part in the NATRON clinical research study.

If you’re interested in joining the study, or would like to find out more information, please contact the study team using the below contact details.

Ann Arbor, Michigan
Allergy Specialty Clinic and Food Allergy Clinic at Domino’s Farms:; (734) 647-1040

Atlanta, Georgia
Emory University Hospital:; (404) 727-1633

Bethesda, Maryland
National Institute of Allergy and Infectious Diseases –; (301) 402-7823

Cleveland, Ohio
University Hospitals – Corporate –; 216-286-7453

Columbus, Ohio
The Ohio State University Wexner Medical Center:; (614) 366-9244

Durham, North Carolina
Duke Pulmonary Asthma, Allergy & Airway Center –; (919) 613-8314

La Jolla, California
University of California San Diego –; (858) 246-5970

Rochester, Minnesota
Mayo Clinical Cancer Center – Rochester:; (507) 284-5689

University of Utah Health Center – Midvalley Health Center:; (801) 213-0373


Visit the NATRON study website:

» Trial listing on

» Other clinical trials enrolling for subsets of eosinophil-associated diseases