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Ethnic/Racial Variations of Intracerebral Hemorrhage (ERICH)

See All Stroke Trials

The National Institute of Neurological Disorders and Stroke, part of the National Institutes of Health, is looking for individuals to participate in clinical studies.  Participating in clinical trials allows you to play an active role in research on the nature and causes of many disorders of the brain and nervous system, and to possibly help physician-scientists develop future treatments.  The information below is designed to help you quickly learn about actively recruiting research studies for which you or someone you know may be eligible.


The purpose of this trial is to find the major racial and ethnic risk factors for, and causes of, intracerebral hemorrhage (ICH).

A stroke occurs when a blood vessel carrying blood to the brain from the heart is either blocked or bursts.  An ICH is a type of stroke in which a blood vessel ruptures or bursts inside the brain.  ICH has the highest disability and mortality rates, and occurs differently among races and ethnicities.  This suggests that the risk factors causing ICH—and how bodies react to those risk factors—also are different among races and ethnicities.  Research shows that the genes that affect blood pressure, blood vessel walls, blood clotting, and other factors may increase the risk of having an ICH, and that these genes may be different based on race and ethnicity. 

This trial will determine the significant medical, environmental, and genetic risk factors and causes of strokes caused by ICH and what differences there may be by race or ethnicity.  Researchers hope the information gained from this study will lead to new tests and treatments for, and prevention of, ICH.

Participants initially will be interviewed and have a blood test.  Cases will undergo follow-up interviews via telephone at three, six, and twelve months post-ICH.  Duration of the study for participants is about one year.

Eligibility Criteria:

  • Must be 18 years old or older
  • Must have had a spontaneous ICH within 3 months
  • Must live within 50 miles of a recruiting center for at least 6 months

Study Design: 


Study Locations: 

Multiple US locations

For more information:

Contact: Daniel Woo, M.D.; Tel: 513-558-5478; Email: 

Last Reviewed July 18, 2014