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Down Syndrome clinical trials in Seattle, WA
4 studies for Down Syndrome 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 →
Down Syndrome Obstructive Sleep Apnea
RecruitingPhase 2
- Seattle Children's Hospital, Seattle
A Study to Compare Blinatumomab Alone to Blinatumomab With Nivolumab in Patients Diagnosed With First Relapse B-Cell Acute Lymphoblastic Leukemia (B-ALL)
RecruitingPhase 2
- Seattle Children's Hospital, Seattle
A Study to Learn More About the Health of Persons With Down Syndrome After Treatment for Acute Leukemia
RecruitingObservational study
- Seattle Children's Hospital, Seattle
Collaboration for Down Syndrome Progress (CDP)
RecruitingObservational study
- University of Washington, Seattle
About Down Syndrome
About 1 in 700 babies are born with the birth defect known as Down Syndrome. Learn about the different Down Syndrome types and related health issues.
More about Down Syndrome on MedlinePlus
Down Syndrome trials in other cities
- Aurora, CO7 studies
- Houston, TX6 studies
- Phoenix, AZ6 studies
- Durham, NC6 studies
- Cincinnati, OH5 studies
- Nashville, TN5 studies
- Kansas City, KS5 studies
- Orlando, FL5 studies
- Ann Arbor, MI5 studies
- Philadelphia, PA5 studies
- Cleveland, OH5 studies
- Atlanta, GA4 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.