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Rheumatoid Arthritis clinical trials in St. Louis, MO

4 studies for Rheumatoid Arthritis are looking for participants at sites in and around St. Louis (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 Rheumatoid Arthritis

Rheumatoid arthritis (RA) is a form of arthritis that causes pain, swelling, and stiffness in your joints. Your risk increases as you become an older adult.

More about Rheumatoid Arthritis on MedlinePlus

Rheumatoid Arthritis trials in other cities

• Houston, TX11 studies
• New York City, NY10 studies
• Durham, NC8 studies
• Altoona, PA7 studies
• Aurora, CO7 studies
• Dallas, TX7 studies
• Boston, MA7 studies
• Plantation, FL6 studies
• San Diego, CA6 studies
• Chicago, IL6 studies
• Miami, FL5 studies
• West Palm Beach, FL5 studies

Other studies in St. Louis

• Non-Small Cell Lung Cancer73 studies
• Breast Cancer64 studies
• Metastatic Cancer54 studies
• Colorectal Cancer50 studies
• Prostate Cancer46 studies
• Cancer (all types)46 studies
• Lung Cancer39 studies
• Ovarian Cancer38 studies
• Pancreatic Cancer33 studies
• Endometrial Cancer29 studies
• Head and Neck Squamous Cell Carcinoma28 studies
• Heart Failure26 studies

From ClinicalTrials.gov, data retrieved Oct 5, 2026. Each study sets its own eligibility; the study team decides who can join.