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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 Missouri. Use the search field to focus on a condition or drug.

Recruiting 5,000,000 participants

The Pediatric Anesthesia Quality Improvement Project

The Society for Pediatric Anesthesia

NCT00674388

Recruiting 100,000 participants

Protocol for Collecting, Banking and Distributing Human Tissue Samples: St. Jude Children's Research Hospital Tissue Resources Core Facility

St. Jude Children's Research Hospital

NCT01354002

Recruiting 100,000 participants

US National OCS Liver Perfusion (OLP) Registry

TransMedics

NCT05940857

Recruiting 80,000 participants

Generic Database of Very Low Birth Weight Infants

NICHD Neonatal Research Network

NCT00063063

Recruiting 75,000 participants

TrialNet Pathway to Prevention of T1D

University of South Florida

NCT00097292

Recruiting 68,000 participants

Follow-up Visit of High Risk Infants

NICHD Neonatal Research Network

NCT00009633

Recruiting NA 52,500 participants

Reducing Empiric VAncomycin Use in Pediatric Suspected Sepsis

Children's Hospital of Philadelphia

NCT05975671

Recruiting 50,000 participants

Childhood Cancer Survivor Study

St. Jude Children's Research Hospital

NCT01120353

Recruiting 40,000 participants

Registry Study for Radiation Therapy Outcomes

Proton Collaborative Group

NCT01255748

Recruiting NA 40,000 participants

Impact of an Electronic Health Record Maintenance Alert on PSA Screening Rates in a 10-Hospital Integrated Health System

Washington University School of Medicine

NCT07109427

Recruiting 22,222 participants

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

Julie Leonard

NCT05049330

Recruiting NA 21,350 participants

Implementation Supports for Improving Identification and Delivery of School-based Mental Health Supports for Middle Schools Students

University of Virginia

NCT06047041

Recruiting 20,000 participants

Clinical and Genetic Evaluation of Individuals With Undiagnosed Disorders Through the Undiagnosed Diseases Network

National Human Genome Research Institute (NHGRI)

NCT02450851

Recruiting 14,000 participants

Multi-Center Registry for Peripheral Arterial Disease Interventions and Outcomes

Baylor Research Institute

NCT01904851

Recruiting NA 13,000 participants

Trajectories of Recovery After Intravenous Propofol Versus Inhaled VolatilE Anesthesia Trial

Washington University School of Medicine

NCT05991453

Recruiting 12,500 participants

ColoSense Post-Approval Study

Geneoscopy

NCT07069556

Recruiting 10,000 participants

Comprehensive HHT Outcomes Registry of the United States (CHORUS)

Cure HHT

NCT06259292

Recruiting 10,000 participants

Tracking Results of Ablations to Combat AF Registry Generation 2

AtriCure

NCT05111015

Recruiting NA 10,000 participants

Outcomes of Low-Impact Exercise Program for People With Ankle, Knee, and/or Hip Pain

University of Missouri-Columbia

NCT03711773

Recruiting 10,000 participants

Late Onset Alzheimer's Disease

Columbia University

NCT05010603

Recruiting 7,000 participants

Quality of Pediatric Resuscitation in a Multicenter Collaborative

Children's Hospital of Philadelphia

NCT02708134

Recruiting NA 6,618 participants

Early Intervention to Promote Cardiovascular Health of Mothers and Children

JHSPH Center for Clinical Trials

NCT06272045

Recruiting NA 6,250 participants

Platform of Randomized Adaptive Clinical Trials in Critical Illness

University Health Network, Toronto

NCT05440851

Recruiting NA 6,200 participants

Advancing Biopsychosocial Care Training Initiative

Washington University School of Medicine

NCT07049861

Recruiting Phase 4 6,000 participants

PREvention of CardIovascular and DiabEtic kidNey Disease in Type 2 Diabetes

Brigham and Women's Hospital

NCT05390892

Recruiting NA 5,515 participants

Evaluating the Implementation and Effectiveness of the Pink and Pearl Campaign on Lung Cancer Screening at Christian Hospital

Washington University School of Medicine

NCT07146568

Recruiting 5,000 participants

ALS/MND Natural History Study Data Repository

Massachusetts General Hospital

NCT05966038

Recruiting 5,000 participants

Proton and Photon Consortium Registry (PPCR): A Multi Center Registry of Pediatric Patients Treated With Radiation Therapy

Massachusetts General Hospital

NCT01696721

Recruiting 5,000 participants

Montalcino Aortic Consortium: Precision Medicine for Heritable Thoracic Aortic Disease

The University of Texas Health Science Center, Houston

NCT04005976

Recruiting 5,000 participants

A Multicenter Patient Registry on Outcomes From Cryoanalgesia of the Intercostal Nerves

AtriCure

NCT05110989

Recruiting 5,000 participants

ColoCare Study - Colorectal Cancer Cohort

University of Utah

NCT02328677

Recruiting 5,000 participants

Collection of Tissue Samples for Cancer Research

National Cancer Institute (NCI)

NCT00900198

Recruiting 5,000 participants

TSC Biosample Repository and Natural History Database

National Tuberous Sclerosis Association

NCT05676099

Recruiting 5,000 participants

APOL1 Long-term Kidney Transplantation Outcomes Network (APOLLO)

Wake Forest University Health Sciences

NCT03615235

Recruiting 5,000 participants

The Society for Obstetric Anesthesia and Perinatology Research Network General Anesthesia Registry

Yale University

NCT06030063

Recruiting 5,000 participants

TREAT-BE Study (Treatment With Resection and Endoscopic Ablation Techniques for Barrett's Esophagus)

University of Colorado, Denver

NCT02634645

Recruiting NA 5,000 participants

CONNECT Cancer Survivors With Tobacco Treatment

Washington University School of Medicine

NCT07020273

Recruiting 5,000 participants

Wolfram Syndrome and WFS1-related Disorders International Registry and Clinical Study

Washington University School of Medicine

NCT02841553

Recruiting 4,680 participants

Comparative Effectiveness of Palliative Surgery Versus Additional Anti-Seizure Medications for Lennox-Gastaut Syndrome

Ann & Robert H Lurie Children's Hospital of Chicago

NCT05374824

Recruiting 4,500 participants

Investigations of Reproductive Cancers in Women

PinkDx

NCT06527157

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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