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Multiple Sclerosis clinical trials in Seattle, WA

6 studies for Multiple Sclerosis 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 →

About Multiple Sclerosis

Multiple sclerosis (MS) slows down or blocks messages between the brain and body. MS can be mild or severe. Learn about MS symptoms and treatment.

More about Multiple Sclerosis on MedlinePlus

Multiple Sclerosis trials in other cities

• New York City, NY17 studies
• Chicago, IL15 studies
• Boston, MA14 studies
• Washington, DC13 studies
• Cleveland, OH9 studies
• St. Louis, MO8 studies
• Kansas City, KS8 studies
• Birmingham, AL8 studies
• San Francisco, CA8 studies
• Columbus, OH7 studies
• Aurora, CO7 studies
• Baltimore, MD7 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.