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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.

Popular conditions

Breast CancerHealthyObesityProstate CancerDepressionCancerHIV InfectionsHypertension

100 trials found

Recruiting 5,000,000 target

The Pediatric Anesthesia Quality Improvement Project

The Society for Pediatric Anesthesia

NCT00674388
Recruiting 3,000,000 target

Delivery Room Intervention and Evaluation Network

American Academy of Pediatrics

NCT06803498
Recruiting 999,999 target

Molecular Genetics Studies of Cancer Patients and Their Relatives

City of Hope Medical Center

NCT04185935
Recruiting 999,999 target

Integrated Cancer Repository for Cancer Research

University of Nebraska

NCT02012699
Recruiting 500,000 target

American Joint Replacement Registry

American Joint Replacement Registry

NCT01909375
Recruiting 200,000 target

Connect for Cancer Prevention Study (Connect)

National Cancer Institute (NCI)

NCT04609072
Recruiting 150,000 target

Improving Safety and Quality of Tracheal Intubation Practice in Pediatric ICUs

Children's Hospital of Philadelphia

NCT02493478
Recruiting 120,000 target

End Diagnostic Overshadowing:Addressing Ableism in Diagnoses

Rush University Medical Center

NCT06608758
Recruiting 120,000 target

Computerized Registry of Patients With Venous Thromboembolism (RIETE)

Manuel Monreal

NCT02832245
Recruiting 100,000 target

US National OCS Heart Perfusion (OHP) Registry

TransMedics

NCT05915299
Recruiting 100,000 target

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 target

Caris Biorepository Research Protocol

Caris Science

NCT01499394
Recruiting NA 100,000 target

Women Informed to Screen Depending on Measures of Risk (Wisdom Study)

University of California, San Francisco

NCT02620852
Recruiting 100,000 target

AnovaOS Network Powered Patient Registry

Anova Enterprises

NCT05013944
Recruiting 80,000 target

Generic Database of Very Low Birth Weight Infants

NICHD Neonatal Research Network

NCT00063063
Recruiting 68,000 target

Follow-up Visit of High Risk Infants

NICHD Neonatal Research Network

NCT00009633
Recruiting 60,000 target

SVS VQI TransCarotid Revascularization Surveillance Project

Society for Vascular Surgery Patient Safety Organization

NCT02850588
Recruiting 50,000 target

Childhood Cancer Survivor Study

St. Jude Children's Research Hospital

NCT01120353
Recruiting NA 45,257 target

Primary Care Detection of Cognitive Impairment Leveraging Health & Consumer Technologies in Underserved Communities: The MyCog Trial

Northwestern University

NCT05607732
Recruiting 40,000 target

Stroke Thrombectomy and Aneurysm Registry

Medical University of South Carolina

NCT04994756
Recruiting 40,000 target

Registry Study for Radiation Therapy Outcomes

Proton Collaborative Group

NCT01255748
Recruiting NA 36,503 target

Supraglottic Airway for Resuscitation Trial

Children's Hospital of Philadelphia

NCT07150923
Recruiting 35,000 target

Enroll -HD: A Prospective Registry Study in a Global Huntington's Disease Cohort

CHDI Foundation

NCT01574053
Recruiting 30,000 target

Pancreatic Cancer Detection Consortium (PCDC) Prospective Cohorts

Mayo Clinic

NCT06271291
Recruiting 30,000 target

Effectiveness of an Automated Falls-Risk Screening and Referral Tool in the Emergency Department (ED)

University of Wisconsin, Madison

NCT05810064
Recruiting 25,000 target

Parkinson's Foundation PD GENEration Genetic Registry

Parkinson's Foundation

NCT04994015
Recruiting 25,000 target

Falcon Real World Evidence Registry

Exact Sciences Corporation

NCT06589310
Recruiting NA 22,000 target

The INFLUENTIAL Trial- Evaluation of National Inpatient Influenza Vaccination Program

University of Colorado, Denver

NCT05832307
Recruiting 20,000 target

Observational Study of Pediatric Rheumatic Diseases: The CARRA Registry

Duke University

NCT02418442
Recruiting 20,000 target

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

National Human Genome Research Institute (NHGRI)

NCT02450851
Recruiting 20,000 target

Alzheimer's National Registry for Treatment and Diagnostics(ALZ-NET)

Alzheimer's Disease and Related Disorders Association

NCT06170268
Recruiting 20,000 target

Clinical Validation of Freenome Multiomics Blood Test for Lung Cancer Screening

Freenome Holdings

NCT06122077
Recruiting 20,000 target

A Prospective Registry to Enable Collection of Standardized Routine Care Oncology Patient Data

N-Power Medicine

NCT06877884
Recruiting 20,000 target

Pancreatic Cancer Early Detection Consortium

Arbor Research Collaborative for Health

NCT04970056
Recruiting Phase 3 20,000 target

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

UMC Utrecht

NCT02735707
Recruiting 20,000 target

Exactech Shoulder Post Market Clinical Follow-up Study

Exactech

NCT05603728
Recruiting 19,331 target

Examining Digital Health Care Delivery Models Through Medicaid Collaborative

OSF Healthcare System

NCT05555095
Recruiting NA 17,000 target

Patient Outcome Reporting for Timely Assessments of Life With Post-Traumatic Stress Disorder

University of Chicago

NCT06479447
Recruiting 14,000 target

Multi-Center Registry for Peripheral Arterial Disease Interventions and Outcomes

Baylor Research Institute

NCT01904851
Recruiting 12,000 target

The Myelin Disorders Biorepository Project

Children's Hospital of Philadelphia

NCT03047369
Recruiting Phase 3 11,000 target

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

Boehringer Ingelheim

NCT06531824
Recruiting Phase 4 10,742 target

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

Ohio State University

NCT06468202
Recruiting 10,000 target

Pulmonary Fibrosis Foundation Community Registry

Pulmonary Fibrosis Foundation

NCT05382572
Recruiting 10,000 target

Umbrella Study for Analysis of Data Related to Patients With Cancer

Tempus AI

NCT06018753
Recruiting 10,000 target

Sickle Cell Clinical Research and Intervention Program

St. Jude Children's Research Hospital

NCT02098863
Recruiting 10,000 target

Transpacific TAVR Registry

Duk-Woo Park, MD

NCT03826264
Recruiting 10,000 target

Late Onset Alzheimer's Disease

Columbia University

NCT05010603
Recruiting 10,000 target

Collecting Tissue Samples for Future Research From Women Undergoing Surgery for Breast Cancer

Northwestern University

NCT00898131
Recruiting 10,000 target

International REgistry of COnservative or Radical Treatment of Localized Kidney Tumors

Azienda Ospedaliero-Universitaria Careggi

NCT05363657
Recruiting NA 8,946 target

Colonoscopy vs Stool Testing for Older Adults With Colon Polyps

Dartmouth-Hitchcock Medical Center

NCT05612347
Recruiting 8,000 target

Determinants of Incident Stroke Cognitive Outcomes and Vascular Effects on RecoverY

Massachusetts General Hospital

NCT04916210
Recruiting NA 8,000 target

Nutrition for Precision Health, Powered by the All of Us

RTI International

NCT05701657
Recruiting Phase 3 8,000 target

Azithromycin Prophylaxis for PRElabor CEsarean DElivery Trial

The George Washington University Biostatistics Center

NCT06605118
Recruiting 7,500 target

MYLUNG Consortium Part 3: Observational Study

US Oncology Research

NCT05885698
Recruiting Phase 4 7,410 target

Investigation of Metformin in Pre-Diabetes on Atherosclerotic Cardiovascular OuTcomes

VA Office of Research and Development

NCT02915198
Recruiting 7,000 target

Quality of Pediatric Resuscitation in a Multicenter Collaborative

Children's Hospital of Philadelphia

NCT02708134
Recruiting 6,833 target

Foundation for Sarcoidosis Research Advanced Cures Registry (FSR-SARC Registry)

Foundation for Sarcoidosis Research

NCT06234384
Recruiting NA 6,618 target

Early Intervention to Promote Cardiovascular Health of Mothers and Children

JHSPH Center for Clinical Trials

NCT06272045
Recruiting NA 6,516 target

My Wellbeing Guide: a Novel Tool for Managing Stress and Improving Quality of Life

Northwestern University

NCT05369429
Recruiting 6,500 target

Collection of Samples From the United States Population for Optimization and Evaluation of Colorectal Cancer (CRC) Plasma Circulating Free-DNA (cfDNA) Marker Panel Performance

Universal Diagnostics

NCT07310446
Recruiting Phase 3 6,150 target

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

Population Health Research Institute

NCT04774159
Recruiting 6,000 target

Keeping it LITE: Exploring HIV Risk in Vulnerable Youth With Limited Interaction and Digital Health Intervention

Hektoen Institute for Medical Research

NCT05848570
Recruiting 6,000 target

Specimen and Data Study for Ovarian Cancer Early Detection and Prevention

Northwestern University

NCT00005095
Recruiting Phase 4 5,500 target

National Liver Cancer Screening Trial

University of Texas Southwestern Medical Center

NCT06084234
Recruiting Phase 3 5,350 target

The Rhythm Evaluation for AntiCoagulaTion With Continuous Monitoring of Atrial Fibrillation

Johns Hopkins University

NCT05836987
Recruiting Phase 3 5,200 target

A Study to Determine the Efficacy and Safety of Finerenone on Morbidity and Mortality Among Hospitalized Heart Failure Patients

Colorado Prevention Center

NCT06008197
Recruiting 5,000 target

Collection and Storage of Tissue and Blood Samples From Patients With Cancer

National Cancer Institute LAO

NCT02474160
Recruiting 5,000 target

A Longitudinal Study Looking at the Prevalence, Risk Factors & Consequences of Persistent Post-surgical Pain in Children

Telethon Kids Institute

NCT06354699
Recruiting 5,000 target

Middle Meningeal Artery Embolization (MMAE) Outcomes for Chronic Subdural Hematoma (cSDH)

Montefiore Medical Center

NCT06181994
Recruiting 5,000 target

ALS/MND Natural History Study Data Repository

Massachusetts General Hospital

NCT05966038
Recruiting Phase 2 5,000 target

I-SPY TRIAL: Neoadjuvant and Personalized Adaptive Novel Agents to Treat Breast Cancer

QuantumLeap Healthcare Collaborative

NCT01042379
Recruiting 5,000 target

International Registry for Men With Advanced Prostate Cancer (IRONMAN)

Prostate Cancer Clinical Trials Consortium

NCT03151629
Recruiting 5,000 target

Lynch Syndrome Integrative Epidemiology and Genetics

University of Colorado, Denver

NCT06582914
Recruiting 5,000 target

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

Massachusetts General Hospital

NCT01696721
Recruiting 5,000 target

Cardiogenic Shock Working Group Registry

Tufts Medical Center

NCT04682483
Recruiting 5,000 target

Functional Assessment in Liver Transplantation

University of California, San Francisco

NCT03228290
Recruiting 5,000 target

Real-world Evaluation of the HistoSonics Edison System for Treatment of Liver Tumors Across Multidisciplinary Users (BOOMBOX: Master Study)

HistoSonics

NCT06486454
Recruiting 5,000 target

TSC Biosample Repository and Natural History Database

National Tuberous Sclerosis Association

NCT05676099
Recruiting 5,000 target

Prospective SPINE Registry

Xtant Medical

NCT04176562
Recruiting 5,000 target

MPN PROGRESSion Registry: Observational Study Tracking Symptoms, Treatments, and Disease Progression in People With Myeloproliferative Neoplasms (MPNs)

MPN Research Foundation

NCT07362225
Recruiting 5,000 target

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

Yale University

NCT06030063
Recruiting NA 5,000 target

Effectiveness of Relationship Education for Reducing HIV Incidence Among SGM

Northwestern University

NCT05678556
Recruiting 5,000 target

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

University of Colorado, Denver

NCT02634645
Recruiting 5,000 target

Drug-Eluting Registry: Real-World Treatment of Lesions in the Peripheral Vasculature

Boston Scientific Corporation

NCT04674969
Recruiting 5,000 target

Pharmacokinetics, Pharmacodynamics, and Safety Profile of Understudied Drugs Administered to Children Per Standard of Care (POPS)

Duke University

NCT04278404
Recruiting 5,000 target

Inspiring New Science In Guiding Healthcare in Turner Syndrome Registry

University of Colorado, Denver

NCT05052606
Recruiting 5,000 target

Study of the Progression of Chronic Cardiovascular Conditions

Prolaio

NCT07420907
Recruiting 4,800 target

RELIEF - A Global Prospective Observational Post-Market Study to Evaluate Long-Term Effectiveness of Neurostimulation Therapy for Pain

Boston Scientific Corporation

NCT01719055
Recruiting 4,700 target

Long Term Outcomes Following Hernia Repair With Mesh

Endeavor Health

NCT04578340
Recruiting 4,680 target

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 target

PPMI Clinical - Establishing a Deeply Phenotyped PD Cohort

Michael J. Fox Foundation for Parkinson's Research

NCT04477785
Recruiting 4,500 target

Investigations of Reproductive Cancers in Women

PinkDx

NCT06527157
Recruiting 4,490 target

Observational Study Protocol: LIVER-R

AstraZeneca

NCT06252753
Recruiting 4,400 target

Blue Light Cystoscopy With Cysview® Registry

Photocure

NCT02660645
Recruiting Phase 3 4,390 target

A Clinical Study of MK-8527 to Prevent Human Immunodeficiency Virus Type 1 (HIV-1) (MK-8527-011)

Merck Sharp & Dohme

NCT07044297
Recruiting 4,000 target

The APS Phenotyping Study

Vanderbilt University Medical Center

NCT06521502
Recruiting NA 4,000 target

The Fourth Left Atrial Appendage Occlusion Study

Hamilton Health Sciences Corporation

NCT05963698
Recruiting 4,000 target

American Lung Association (ALA) Lung Health Cohort

Johns Hopkins University

NCT04543461
Recruiting 4,000 target

A Study of the Natural Progression of Interstitial Lung Disease (ILD)

University of Chicago

NCT00470327
Recruiting Phase 3 4,000 target

AntiThrombotic Therapy to Ameliorate Clinical Complications in Community Acquired Pneumonia

University of Manitoba

NCT05848713

Read our methodology - how recruiting status is sourced and refreshed from the public registry.

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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