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Rare Diseases clinical trials in Seattle, WA
3 studies for Rare Diseases are looking for participants at sites in and around Seattle (within about 30 miles). Open a study to see who can join and how to contact the study team.
Recruiting for a study here? Feature it at the top of this page — $99 for 30 days →
Clinical and Genetic Evaluation of Individuals With Undiagnosed Disorders Through the Undiagnosed Diseases Network
RecruitingObservational studyHealthy volunteers welcome
- Seattle Children's Hospital, Seattle
- University of Washington, Seattle
A Study Evaluating the Real-World Experience of Givinostat in Patients With Duchenne Muscular Dystrophy
RecruitingObservational study
- Seattle Children's Hospital, Seattle
The ExTINGUISH Trial of Inebilizumab in NMDAR Encephalitis
RecruitingPhase 2
- University of Washington, Seattle
About Rare Diseases
A rare disease is one that affects fewer than 200,000 people in the United States. There are nearly 7,000, affecting more than 25 million Americans.
More about Rare Diseases on MedlinePlus
Rare Diseases trials in other cities
- Boston, MA9 studies
- Chicago, IL8 studies
- Washington, DC8 studies
- Philadelphia, PA7 studies
- Los Angeles, CA5 studies
- Cincinnati, OH5 studies
- Columbus, OH4 studies
- New York City, NY3 studies
- Durham, NC3 studies
- Atlanta, GA3 studies
- Houston, TX3 studies
- St. Louis, MO3 studies
Other studies in Seattle
- Non-Small Cell Lung Cancer53 studies
- Cancer (all types)49 studies
- Prostate Cancer42 studies
- Acute Myeloid Leukemia40 studies
- Breast Cancer39 studies
- Metastatic Cancer39 studies
- Colorectal Cancer34 studies
- Lung Cancer33 studies
- Ovarian Cancer30 studies
- Multiple Myeloma22 studies
- Myelodysplastic Syndromes21 studies
- Acute Lymphoblastic Leukemia21 studies
From ClinicalTrials.gov, data retrieved Oct 5, 2026. Each study sets its own eligibility; the study team decides who can join.