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ClinicalTrials.gov 24,857 recruiting now free trial finder

Find a clinical trial that's recruiting now

Search 24,857 actively recruiting US clinical trials by condition, drug, or state, each entry links straight to its NIH ClinicalTrials.gov record so you can check eligibility and contact the study team.

24,857
trials recruiting now
14%
of all US trials open to enrollment
52
states with recruiting sites

A trial is listed as recruiting when its sponsor has marked it open to new participants on the public registry. Type a condition or drug name (for example, "breast cancer" or "pembrolizumab") to narrow the list, and add a state to find studies with a site near you. Results are ordered with the most relevant recruiting studies first; each card shows the study phase and enrollment target, and opens the full record, including eligibility criteria and contact details, on ClinicalTrials.gov.

Showing the 40 largest recruiting trials by target enrollment in Ohio. Use the search field to focus on a condition or drug.

Recruiting 2,000,000 participants

Helix Research Network

Helix

NCT06057181

Recruiting 318,542 participants

Evaluation and Further Development of an Artificial Intelligence-based Algorithm for Clinical Decision Support

Technische Universität Dresden

NCT05668637

Recruiting 250,000 participants

The Oxford Risk Factors And Non-Invasive Imaging Study

University of Oxford

NCT05169333

Recruiting 200,000 participants

Critical Health Assessment and Outcomes Score/Study

Johns Hopkins University

NCT02766166

Recruiting NA 119,680 participants

Implementing Scalable, PAtient-centered, Team-based, Technology-enabled Care for Adults With Type 2 Diabetes (iPATH)

Stanford University

NCT06251323

Recruiting 100,000 participants

Epilepsy Learning Healthcare System (ELHS)

Epilepsy Foundation of America

NCT06265103

Recruiting 77,000 participants

Community Benefit of No-charge Calcium Score Screening Program

University Hospitals Cleveland Medical Center

NCT04075162

Recruiting NA 63,000 participants

Screen Smart: Using Digital Health to Improve HIV Screening and Prevention

Children's Hospital Medical Center, Cincinnati

NCT06003192

Recruiting 45,991 participants

Evaluating the Real World Performance of an AI Based Lung Nodule Detection Tool

University Hospitals Cleveland Medical Center

NCT06597968

Recruiting 22,222 participants

Development and Testing of a Pediatric Cervical Spine Injury Risk Assessment Tool

Julie Leonard

NCT05049330

Recruiting 20,000 participants

Adolescent Outcomes of Post-operative Opioid EXposure

Sharon Levy

NCT06350409

Recruiting 20,000 participants

@neurIST : Intregrated Biomedical Informatics for the Management of Cerebral Aneurysms

University Hospital, Geneva

NCT05526352

Recruiting Phase 3 20,000 participants

Randomized, Embedded, Multifactorial Adaptive Platform Trial for Community- Acquired Pneumonia

UMC Utrecht

NCT02735707

Recruiting 20,000 participants

Exactech Shoulder Post Market Clinical Follow-up Study

Exactech

NCT05603728

Recruiting 15,000 participants

Vascular Events In Patients Undergoing Same-day Noncardiac Surgery (VALIANCE) Study

Centre hospitalier de l'Université de Montréal (CHUM)

NCT04973397

Recruiting NA 14,400 participants

The Patient and Family Centered I-PASS LISTEN Study: Language, Inclusion, Safety, and Teamwork for Equity Now

Boston Children's Hospital

NCT05591066

Recruiting 14,000 participants

Multi-Center Registry for Peripheral Arterial Disease Interventions and Outcomes

Baylor Research Institute

NCT01904851

Recruiting 12,000 participants

The Myelin Disorders Biorepository Project

Children's Hospital of Philadelphia

NCT03047369

Recruiting Phase 3 11,000 participants

EASi-KIDNEY™ (The Studies of Heart & Kidney Protection With BI 690517 in Combination With Empagliflozin)

Boehringer Ingelheim

NCT06531824

Recruiting Phase 4 10,742 participants

Effectiveness of Two Aspirin Doses for Prevention of Hypertensive Disorders of Pregnancy: ASPIRIN TRIAL

Ohio State University

NCT06468202

Recruiting 10,500 participants

The Spine Phenome Project

Ohio State University

NCT05776771

Recruiting 10,000 participants

Cardiovascular and Metabolic Sciences Biorepository

The Cleveland Clinic

NCT06560424

Recruiting 10,000 participants

Comprehensive HHT Outcomes Registry of the United States (CHORUS)

Cure HHT

NCT06259292

Recruiting 10,000 participants

Umbrella Study for Analysis of Data Related to Patients With Cancer

Tempus AI

NCT06018753

Recruiting 10,000 participants

The Congenital Dyserythropoietic Anemia Registry (CDAR)

Children's Hospital Medical Center, Cincinnati

NCT02964494

Recruiting NA 9,119 participants

Food-based Support for Hospitalized Children and Their Families

Children's Hospital Medical Center, Cincinnati

NCT06946355

Recruiting Phase 3 9,000 participants

The Cancer of the Pancreas Screening-5 CAPS5)Study

Johns Hopkins University

NCT02000089

Recruiting NA 8,100 participants

Behavioral Economic & Staffing Strategies in the ICU

University of Nebraska

NCT06184945

Recruiting Phase 3 8,000 participants

Azithromycin Prophylaxis for PRElabor CEsarean DElivery Trial

The George Washington University Biostatistics Center

NCT06605118

Recruiting NA 7,500 participants

Prospective Case Collection Study for New Mammography Technologies

Hologic

NCT05199701

Recruiting 7,500 participants

MYLUNG Consortium Part 3: Observational Study

US Oncology Research

NCT05885698

Recruiting 7,000 participants

cfDNA Assay Prospective Observational Validation for Early Cancer Detection and Minimal Residual Disease

Adela

NCT05366881

Recruiting Phase 3 6,700 participants

Pediatric Dose Optimization for Seizures in Emergency Medical Services

Stanford University

NCT05121324

Recruiting NA 6,254 participants

The GUARDIAN Trial

The University of Texas Health Science Center, Houston

NCT04884802

Recruiting NA 6,250 participants

Platform of Randomized Adaptive Clinical Trials in Critical Illness

University Health Network, Toronto

NCT05440851

Recruiting Phase 3 6,150 participants

Low Dose ColchicinE in pAtients With Peripheral Artery DiseasE to Address Residual Vascular Risk

Population Health Research Institute

NCT04774159

Recruiting NA 6,000 participants

CGM for the Early Detection and Management of Hyperglycemia in Pregnancy

Jaeb Center for Health Research

NCT06957028

Recruiting 6,000 participants

PRenatal and Obstetric Maternal Exposures and ISlet Autoantibodies in Early Life

University of Colorado, Denver

NCT06141434

Recruiting 5,800 participants

International Rare Brain Tumor Registry

Children's National Research Institute

NCT05697874

Recruiting Phase 4 5,500 participants

National Liver Cancer Screening Trial

University of Texas Southwestern Medical Center

NCT06084234

Source: ClinicalTrials.gov (NIH/NLM) ClinicalTrials.gov AACT registry · 2026 Recruiting status is reported by each study's sponsor and mirrored from the public registry. Always confirm current eligibility and status on ClinicalTrials.gov before contacting a study.

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