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Rare Diseases clinical trials in Columbus, OH

4 studies for Rare Diseases are looking for participants at sites in and around Columbus (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 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
• New York City, NY3 studies
• Durham, NC3 studies
• Seattle, WA3 studies
• Atlanta, GA3 studies
• Houston, TX3 studies
• St. Louis, MO3 studies

Other studies in Columbus

• Non-Small Cell Lung Cancer56 studies
• Breast Cancer39 studies
• Ovarian Cancer39 studies
• Cancer (all types)38 studies
• Lung Cancer37 studies
• Acute Myeloid Leukemia35 studies
• Chronic Lymphocytic Leukemia28 studies
• Metastatic Cancer27 studies
• Endometrial Cancer25 studies
• Colorectal Cancer24 studies
• Prostate Cancer24 studies
• Multiple Myeloma24 studies

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