Condition
Hypereosinophilic Syndrome clinical trials and research
As of November 12, 2026, Find a Trial lists 3 Hypereosinophilic Syndrome clinical trials that are recruiting, at sites in 2 countries (most in United States (2), France (1)). By phase: Phase 2 (1). Every study is explained in plain English. Data from ClinicalTrials.gov and NIH RePORTER, updated November 12, 2026.
- 3Clinical trials
- 2Countries
Newest Hypereosinophilic Syndrome clinical trials
| Study | Phase | Where | Status | Registered |
|---|---|---|---|---|
| Using dupilumab to help patients with hypereosinophilic syndrome who still have symptoms | Phase 2 | Bethesda, Maryland | Recruiting | Jun 27, 2024 |
| Understanding the natural history of hypereosinophilia and hypereosinophilic syndromes | — | Lille | Recruiting | Jul 12, 2019 |
| Long-term observation of familial hypereosinophilia and its effects | — | Bethesda, Maryland | Recruiting | Sep 20, 2004 |
All recruiting trials (3)
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Using dupilumab to help patients with hypereosinophilic syndrome who still have symptoms
This study is testing if adding dupilumab to the treatment of adults with hypereosinophilic syndrome can help reduce their ongoing symptoms.
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Understanding the natural history of hypereosinophilia and hypereosinophilic syndromes
This study looks at how unexplained high eosinophil levels and related syndromes affect patients over time to better understand their symptoms and the factors that might influence their condition.
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Long-term observation of familial hypereosinophilia and its effects
This study looks at a hereditary condition called familial hypereosinophilia to see how it affects people over time and to learn more about its causes and markers.
Related topics
Quick answers
How many Hypereosinophilic Syndrome clinical trials are recruiting right now?
3, as of November 12, 2026. We update this list each time we refresh our data from ClinicalTrials.gov.
Where are these trials running?
In 2 countries. The most sites are in United States (2 trials), France (1 trial). Each study page lists its sites and which ones are recruiting.
What phases are they in?
Phase 2: 1. Trials with no phase listed are usually device, behavioural or observational studies.
How do I join one?
Open a study, check the "Is this trial a fit for you?" section, then contact the study team listed on the page. They will ask a few screening questions. Asking is free and does not commit you to anything. Talk it over with your doctor first.
Find the studies that fit you
A list is a starting point. Tell us your situation in your own words and we'll rank the studies that match and explain why. It's free and needs no account.