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Parkinson's Disease clinical trials in St. Louis, MO

9 studies for Parkinson's Disease 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 Parkinson's Disease

Parkinson's disease (PD) is a movement disorder. It causes tremors, stiffness, and slow movement. It gets worse over time. Learn what can help.

More about Parkinson's Disease on MedlinePlus

Parkinson's Disease trials in other cities

• New York City, NY23 studies
• Boston, MA19 studies
• Cleveland, OH18 studies
• Minneapolis, MN17 studies
• Nashville, TN15 studies
• Philadelphia, PA14 studies
• San Francisco, CA14 studies
• New Haven, CT14 studies
• Charleston, SC13 studies
• Farmington Hills, MI13 studies
• Chicago, IL13 studies
• Miami, FL13 studies

Other studies in St. Louis

• Non-Small Cell Lung Cancer73 studies
• Breast Cancer64 studies
• Metastatic Cancer54 studies
• Colorectal Cancer50 studies
• Cancer (all types)46 studies
• Prostate Cancer46 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 6, 2026. Each study sets its own eligibility; the study team decides who can join.