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 You are subscribed to receive research study announcements from the National Institutes of Health (NIH) Clinical Center. To learn more about this NIH Research Study #002313-I, or other studies, please call us at 833-JOIN-NIH.
Difficulty Eating or Swallowing? Researchers Are Studying an Easier Test
Eosinophilic esophagitis (EoE) is a condition that causes inflammation in the esophagus. This inflammation can make swallowing difficult. Researchers at the National Institutes of Health (NIH) are testing a new, easier, and less invasive method called the Esophageal String Test (EST). The EST is quick and simple, and unlike an endoscopy, it does not require sedation or anesthesia.
This study will help determine whether the EST can diagnose EoE in African-born or African descent individuals with trouble swallowing who live in different environments: Mali and the United States.
You May Qualify If You:
- Have trouble swallowing
- African born or whose parents are born in Africa
- Ages 18-65
What’s Involved?
- Provide blood, stool, urine, and skin swab samples
- Bring a sample of your drinking water for testing
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Esophageal String Test (EST): Swallow a small capsule attached to a string, which collects fluids from your esophagus and stomach. The string is removed after 1 hour
- Endoscopy: A flexible tube is inserted through the mouth to collect tissue samples
Participation is voluntary and free of charge.
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