Clinical Trials in Ohio

Ohio has 521 clinical trials currently recruiting participants, ranking #8 among all states. The most-studied condition is Ovarian Cancer with 14 active trials.

521

Total Trials

521

Recruiting

National Rank

Conditions

Trials by Phase

204

Not Applicable

Phase 1 / Phase 2

Phase 2 / Phase 3

Early Phase 1

Phase 1

Phase 2

Phase 3

Phase 4

Top Conditions in Ohio

#	Condition	Trials
1	Ovarian Cancer	14
2	Sickle Cell Disease	13
3	Cystic Fibrosis	11
4	Colorectal Cancer	9
5	Endometrial Cancer	9
6	Multiple Myeloma	8
7	Solid Tumor	7
8	Lung Cancer	7
9	Advanced Solid Tumor	7
10	Duchenne Muscular Dystrophy	7
11	Obstructive Sleep Apnea	6
12	Migraine	6
13	Breast Cancer	6
14	Pancreatic Cancer	5
15	Mesothelioma	5
16	Esophageal Cancer	5
17	Down Syndrome	5
18	Traumatic Brain Injury	5
19	Myasthenia Gravis	5
20	Autism Spectrum Disorder	5

Top Sponsors in Ohio

#	Sponsor	Trials
1	Children's Hospital Medical Center, Cincinnati	34
2	Ohio State University	16
3	Ohio State University Comprehensive Cancer Center	11
4	The Cleveland Clinic	11
5	University Hospitals Cleveland Medical Center	10
6	Case Comprehensive Cancer Center	9
7	Merck Sharp & Dohme LLC	8
8	Regeneron Pharmaceuticals	8
9	AstraZeneca	8
10	University of Cincinnati	7
11	University of Pennsylvania	6
12	Novartis Pharmaceuticals	5
13	Hoffmann-La Roche	5
14	GlaxoSmithKline	5
15	Nationwide Children's Hospital	4

Cities With Most Trials in Ohio

#	City	Trials
1	Cleveland	197
2	Columbus	188
3	Cincinnati	172
4	Canton	11
5	Akron	9
6	Dayton	8
7	Toledo	5
8	Beachwood	4
9	Athens	4
10	Middleburg Heights	4
11	Mason	4
12	North Canton	4
13	Fairborn	3
14	Maumee	2
15	Kettering	2

Important: This information is for research purposes only. Always talk to your doctor about whether a clinical trial is right for you.

Frequently Asked Questions

Ohio currently has 521 clinical trials actively recruiting participants, making it #8 nationally by total trial count.

The most-studied conditions in Ohio are Ovarian Cancer (14 trials), Sickle Cell Disease (13 trials), Cystic Fibrosis (11 trials).

Browse the conditions listed on this page to find trials recruiting in Ohio. Each condition page shows trial details, eligibility criteria in plain English, and contact information. Always talk to your doctor about whether a trial is right for you.

Sources: ClinicalTrials.gov

Trial counts reflect currently recruiting studies listed on ClinicalTrials.gov with locations in this state.

Ohio Trial Details →All State Statistics →

The this entity category groups every U.S. clinical trials and research registries entity sharing this attribute. The list above is the data; the paragraphs below explain what the grouping means against the broader the NIH ClinicalTrials.gov registry distribution and how to read the relative rankings within the category.

For readers using this category as a starting point, the per-entity detail pages linked from the table above carry the underlying the NIH ClinicalTrials.gov registry data in full. The category-level view is the filter; the per-entity pages are the actual answer.

Source: ClinicalTrials.gov, 2026.