Location · Ohio
Clinical trials recruiting in Ohio
965 recruiting studies have at least one site in Ohio; 272 accept healthy volunteers. Studies that need a specific condition are included too, so check each listing.
Want the research companies that run paid Phase 1 studies for healthy volunteers? Paid clinical trial companies in Ohio.
965 recruiting studiesSource: ClinicalTrials.gov, refreshed October 26, 2026How we list studies
More recruiting studies (pay not posted)
- RecruitingHealthy volunteers
Protocol CAUSE-03 / CHEETAH
National Institute of Allergy and Infectious Diseases (NIAID)
- Location
- Cincinnati, OH + 7 other US sites
- Eligibility basics
- Ages 6–17
- RecruitingHealthy volunteers
Changes in Microbial Status From Dentate, Edentulous and After Dental Implant Placement
Case Western Reserve University
- Location
- Cleveland, OH
- Eligibility basics
- Ages 21+
- RecruitingHealthy volunteers
Oral Nicotine Pouches Versus Nicotine Replacement Therapy to Reduce Cigarette Use for Smokers in Rural Appalachia
Ohio State University Comprehensive Cancer Center
- Location
- Columbus, OH
- Eligibility basics
- Ages 21+
- RecruitingHealthy volunteers
Integrated Cancer Repository for Cancer Research
University of Nebraska
- Location
- Alliance, OH + 41 other US sites
- Eligibility basics
- Ages 19–110
- RecruitingHealthy volunteers
Molecular Genetics Studies of Cancer Patients and Their Relatives
City of Hope Medical Center
- Location
- Canton, OH + 33 other US sites
- Eligibility basics
- Any age listed
- RecruitingHealthy volunteers
Comparing Stainless Steel Crowns With Prefabricated Resin Crowns in Primary Molar Teeth
Children's Hospital Medical Center, Cincinnati
- Location
- Cincinnati, OH
- Eligibility basics
- Ages 2–5
- RecruitingHealthy volunteers
Gut Flora Metabolite Reduction After Dietary Intervention (GRADY)
The Cleveland Clinic
- Location
- Cleveland, OH
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Cardiovascular and Metabolic Sciences Biorepository
The Cleveland Clinic
- Location
- Cleveland, OH
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Ketone Conferred Resiliency Against Sleep Restriction With Nutritional Intervention.
Ohio State University
- Location
- Columbus, OH
- Eligibility basics
- Ages 18–40
- RecruitingHealthy volunteers
Childhood Cancer Survivor Study
St. Jude Children's Research Hospital
- Location
- Columbus, OH + 26 other US sites
- Eligibility basics
- Any age listed
- RecruitingHealthy volunteers
The Congenital Dyserythropoietic Anemia Registry (CDAR)
Children's Hospital Medical Center, Cincinnati
- Location
- Cincinnati, OH
- Eligibility basics
- Any age listed
- RecruitingHealthy volunteers
Healthy Aging in People With Epilepsy Program
Anny Reyes
- Location
- Cleveland, OH
- Eligibility basics
- Ages 55–90
- RecruitingHealthy volunteers
Outreach Project to Connect Underrepresented Populations to Clinical Trials at Ohio State University, CUSP2CT Project Trial
Ohio State University Comprehensive Cancer Center
- Location
- Columbus, OH
- Eligibility basics
- Any age listed
- RecruitingHealthy volunteers
Supraspinal Processing of Sensory Aspects of Pain
Children's Hospital Medical Center, Cincinnati
- Location
- Cincinnati, OH
- Eligibility basics
- Ages 10–17
- RecruitingHealthy volunteers
The Society for Obstetric Anesthesia and Perinatology Research Network General Anesthesia Registry
Yale University
- Location
- Cincinnati, OH + 32 other US sites
- Eligibility basics
- Ages 15–55 · Women only
- RecruitingHealthy volunteers
Analysis of Lumbar Spine Stenosis Specimens for Identification of Transthyretin Cardiac Amyloidosis
Columbia University
- Location
- Cleveland, OH + 4 other US sites
- Eligibility basics
- Ages 50+
- RecruitingHealthy volunteers
Corneal Elastography and Patient Specific Modeling
The Cleveland Clinic
- Location
- Cleveland, OH
- Eligibility basics
- Ages 16–80
- RecruitingHealthy volunteers
Neuroimaging Reveals Treatment-related Changes in DLD
University of Cincinnati
- Location
- Cincinnati, OH + 3 other US sites
- Eligibility basics
- Ages 4–5
- RecruitingHealthy volunteers
Nasal Obstruction and Olfactory Losses
Ohio State University
- Location
- Columbus, OH
- Eligibility basics
- Ages 18–70
- RecruitingHealthy volunteers
Comparing Two School-Based Sleep Health Interventions To Promote Sleep Quality in Youth
Children's Hospital Los Angeles
- Location
- Columbus, OH + 1 other US site
- Eligibility basics
- Ages 12–18
- RecruitingHealthy volunteers
Neural and Hormonal Influences on Sex Differences in Risk for AUD
Jessica Weafer
- Location
- Columbus, OH
- Eligibility basics
- Ages 21–26
- RecruitingHealthy volunteers
Comparison of Two Methods of Covering a Single Lower Front Tooth With Receded Gums
Case Western Reserve University
- Location
- Cleveland, OH
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Pathways to Prevention Food-is-Medicine Trial
Amrik Singh Khalsa
- Location
- Columbus, OH
- Eligibility basics
- Ages 6+
- RecruitingHealthy volunteers
Variations in Ketone Metabolism
Ohio State University
- Location
- Columbus, OH + 1 other US site
- Eligibility basics
- Ages 20–70