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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 500,000 target

Apple Health Study

Apple

NCT06958523
Recruiting 80,000 target

Generic Database of Very Low Birth Weight Infants

NICHD Neonatal Research Network

NCT00063063
Recruiting 75,000 target

COPD Patient-Powered Research Network

COPD Foundation

NCT02803242
Recruiting 68,000 target

Follow-up Visit of High Risk Infants

NICHD Neonatal Research Network

NCT00009633
Recruiting 50,000 target

Childhood Cancer Survivor Study

St. Jude Children's Research Hospital

NCT01120353
Recruiting 35,000 target

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

CHDI Foundation

NCT01574053
Recruiting 22,222 target

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

Julie Leonard

NCT05049330
Recruiting NA 22,032 target

PAINED: Project Addressing INequities in the Emergency Department

Children's National Research Institute

NCT05488080
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

NIAID Centralized Sequencing Protocol

National Institute of Allergy and Infectious Diseases (NIAID)

NCT03206099
Recruiting 19,000 target

The DC Cohort Longitudinal HIV Status Neutral Study

George Washington University

NCT01206920
Recruiting NA 18,500 target

Health Information Technology to Reduce Disparities in Adolescent Health Outcomes: A Pragmatic Trial

Children's National Research Institute

NCT04372875
Recruiting 16,000 target

STS/ACC Transcatheter Valve Therapy Registry (TVT Registry)

The Society of Thoracic Surgeons

NCT01737528
Recruiting 15,000 target

A Longitudinal Observational Study of Patients With Nonalcoholic Steatohepatitis (NASH) and Related Conditions Across the Entire Spectrum of Nonalcoholic Fatty Liver Disease (NAFLD)

Target PharmaSolutions

NCT02815891
Recruiting 15,000 target

Cancer Experience Registry (CER) for Cancer Patients and Caregivers

Cancer Support Community, Research and Training Institute, Philadelphia

NCT02333604
Recruiting 12,000 target

The Myelin Disorders Biorepository Project

Children's Hospital of Philadelphia

NCT03047369
Recruiting 12,000 target

International Collaborative Gaucher Group (ICGG) Gaucher Disease Registry & Pregnancy Sub-registry

Genzyme, a Sanofi Company

NCT00358943
Recruiting 10,000 target

The Duchenne Registry

The Duchenne Registry

NCT02069756
Recruiting 10,000 target

Tracking Results of Ablations to Combat AF Registry Generation 2

AtriCure

NCT05111015
Recruiting 10,000 target

Research Accelerated by You Lupus Registry

Lupus Foundation of America

NCT06927219
Recruiting 10,000 target

Patient Registry of Blind Subjects With Sleep-related Problems

Vanda Pharmaceuticals

NCT01195558
Recruiting 10,000 target

Outcomes and Health Care Resource Utilization in Pediatric Congenital Heart Disease Patients Undergoing Non-Cardiac Procedures

Boston Children's Hospital

NCT04604418
Recruiting 10,000 target

Late Onset Alzheimer's Disease

Columbia University

NCT05010603
Recruiting Phase 2 9,999 target

Safety Study of Unlicensed IND Cord Blood Units Manufactured by the National Cord Blood Program for Unrelated Transplantation

New York Blood Center

NCT01656603
Recruiting 9,000 target

Fabry Disease Registry & Pregnancy Sub-registry

Genzyme, a Sanofi Company

NCT00196742
Recruiting NA 8,946 target

Colonoscopy vs Stool Testing for Older Adults With Colon Polyps

Dartmouth-Hitchcock Medical Center

NCT05612347
Recruiting Phase 3 6,700 target

Pediatric Dose Optimization for Seizures in Emergency Medical Services

Stanford University

NCT05121324
Recruiting 6,035 target

Comprehensive Omics Analysis of Pediatric and Adult Solid Tumors and Establishment of a Repository for Related Biological Studies

National Cancer Institute (NCI)

NCT01109394
Recruiting 5,800 target

International Rare Brain Tumor Registry

Children's National Research Institute

NCT05697874
Recruiting Phase 3 5,500 target

An Adjuvant Endocrine-based Therapy Study of Camizestrant (AZD9833) in ER+/HER2- Early Breast Cancer (CAMBRIA-2)

AstraZeneca

NCT05952557
Recruiting Phase 3 5,350 target

The Rhythm Evaluation for AntiCoagulaTion With Continuous Monitoring of Atrial Fibrillation

Johns Hopkins University

NCT05836987
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

Natural History Evaluation of Charcot Marie Tooth Disease (CMT) Types CMT1B, CMT2A, CMT4A, CMT4C, and Others

Michael Shy

NCT01193075
Recruiting 5,000 target

Bronchiectasis and NTM Research Registry

COPD Foundation

NCT01822834
Recruiting 5,000 target

Pediatric Radiation Therapy Registry

Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins

NCT07129317
Recruiting Phase 3 5,000 target

A Phase III Renal Outcomes and Cardiovascular Mortality Study to Investigate the Efficacy and Safety of Baxdrostat in Combination With Dapagliflozin in Participants With Chronic Kidney Disease and High Blood Pressure

AstraZeneca

NCT06742723
Recruiting 5,000 target

Proton Radiation Therapy Registry

Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins

NCT04376229
Recruiting 5,000 target

Familial Mediterranean Fever and Related Disorders: Genetics and Disease Characteristics

National Human Genome Research Institute (NHGRI)

NCT00001373
Recruiting 5,000 target

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

Boston Scientific Corporation

NCT04674969
Recruiting 5,000 target

Inspiring New Science In Guiding Healthcare in Turner Syndrome Registry

University of Colorado, Denver

NCT05052606
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

Natural History of Stroke: Cause and Development

National Institute of Neurological Disorders and Stroke (NINDS)

NCT00009243
Recruiting 4,000 target

Fecal Microbiota Transplant National Registry

American Gastroenterological Association

NCT03325855
Recruiting 4,000 target

STS/ACC TVT Registry Mitral Module

American College of Cardiology

NCT02245763
Recruiting Phase 4 3,720 target

Nasal Steroids, Irrigation, Oral Antibiotics, and Subgroup Targeting for Effective Management of Acute Sinusitis

Daniel Merenstein

NCT06076304
Recruiting Phase 3 3,500 target

Long-term Safety and Efficacy Extension Study for Participants With Advanced Tumors Who Are Currently on Treatment or in Follow-up in a Pembrolizumab (MK-3475) Study (MK-3475-587/KEYNOTE-587)

Merck Sharp & Dohme

NCT03486873
Recruiting 3,500 target

Natural History of Sickle Cell Disease

National Heart, Lung, and Blood Institute (NHLBI)

NCT00081523
Recruiting 3,400 target

Technical Development of Cardiovascular Magnetic Resonance Imaging

National Heart, Lung, and Blood Institute (NHLBI)

NCT04927429
Recruiting Phase 2 3,400 target

Assessment of the Safety, Tolerability, and Effectiveness of Rifapentine Given Daily for LTBI

Centers for Disease Control and Prevention

NCT03474029
Recruiting NA 3,306 target

Screening for Asymptomatic Coronary Artery Disease in Kidney Transplant Candidates

University of British Columbia

NCT03674307
Recruiting Phase 3 3,200 target

Anticoagulation for New-Onset Post-Operative Atrial Fibrillation After CABG

Icahn School of Medicine at Mount Sinai

NCT04045665
Recruiting 3,000 target

ATHN Transcends: A Natural History Study of Non-Neoplastic Hematologic Disorders

American Thrombosis and Hemostasis Network

NCT04398628
Recruiting 3,000 target

Atypical Hemolytic-Uremic Syndrome (aHUS) Registry

Alexion Pharmaceuticals

NCT01522183
Recruiting NA 3,000 target

Pediatric Prehospital Airway Resuscitation Trial

Ohio State University

NCT06364280
Recruiting 3,000 target

Natural History Study of Patients With Excess Androgen

Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD)

NCT00250159
Recruiting 3,000 target

Left Atrial Appendage Occlusion Registry (LAAO Registry)

American College of Cardiology

NCT02699957
Recruiting NA 2,998 target

Melanoma Margins Trial-II: 1cm v 2cm Wide Surgical Excision Margins for AJCC Stage II Primary Cutaneous Melanoma

Melanoma and Skin Cancer Trials Limited

NCT03860883
Recruiting Phase 3 2,870 target

Efficacy and Safety of Tozorakimab in Patients Hospitalised for Viral Lung Infection Requiring Supplemental Oxygen

AstraZeneca

NCT05624450
Recruiting NA 2,700 target

I-DECIDE After Bronchiolitis Hospitalization

Seattle Children's Hospital

NCT07243652
Recruiting 2,500 target

Physiologic Signals and Signatures With the Accuryn Monitoring System - The Accuryn Registry

Potrero Medical

NCT04669548
Recruiting 2,500 target

The Mechanistic Biology of Primary Immunodeficiency Disorders

National Institute of Allergy and Infectious Diseases (NIAID)

NCT03394053
Recruiting 2,500 target

HDClarity: a Multi-site Cerebrospinal Fluid Collection Initiative to Facilitate Therapeutic Development for Huntington's Disease

University College, London

NCT02855476
Recruiting 2,419 target

Studies of the Pathogenesis of HIV Infection in Human Peripheral Blood Cells and/or Body Fluids in People Living With and Without HIV

National Institute of Allergy and Infectious Diseases (NIAID)

NCT00001281
Recruiting NA 2,400 target

Motiva Implants® Post-Approval Study

Motiva USA

NCT06938399
Recruiting Phase 3 2,330 target

A Study to Learn About a Study Medicine Called Ibuzatrelvir in Adult and Adolescent Patients With COVID-19 Who Are Not Hospitalized But Are at Risk For Severe Disease

Pfizer

NCT06679140
Recruiting 2,275 target

Clinical and Laboratory Study of Methylmalonic Acidemia

National Human Genome Research Institute (NHGRI)

NCT00078078
Recruiting Phase 3 2,130 target

Sonesitatug Vedotin in Combination With Capecitabine With or Without Rilvegostomig in Participants With Advanced or Metastatic Gastric, Gastroesophageal Junction, or Esophageal Adenocarcinoma Expressing Claudin18.2

AstraZeneca

NCT07431281
Recruiting Phase 3 2,000 target

Spironolactone Initiation Registry Randomized Interventional Trial in Heart Failure With Preserved Ejection Fraction

Uppsala University

NCT02901184
Recruiting 2,000 target

ASSESS ALL ALS Study

St. Joseph's Hospital and Medical Center, Phoenix

NCT06578195
Recruiting 2,000 target

Multi-Center Molecular Diagnosis and Host Response of Respiratory Viral Infections in Pediatric Transplant Recipients

Arkansas Children's Hospital Research Institute

NCT05550298
Recruiting 2,000 target

Pompe Disease Registry Protocol

Genzyme, a Sanofi Company

NCT00231400
Recruiting NA 2,000 target

Confirmatory Trial for Alleviating Fatigue in Multiple Sclerosis

Accelerated Cure Project for Multiple Sclerosis

NCT06441617
Recruiting 1,850 target

Non-interventional Study of Patients With Transthyretin (ATTR) Amyloidosis

AstraZeneca

NCT06465810
Recruiting Phase 3 1,755 target

The AIRTIVITY™ Study: A Study to Find Out Whether BI 1291583 Helps People With Bronchiectasis

Boehringer Ingelheim

NCT06872892
Recruiting 1,750 target

Implantable Cardioverter Defibrillator (ICD Registry)

American College of Cardiology

NCT01999140
Recruiting 1,700 target

Older Breast Cancer Patients: Risk for Cognitive Decline

Georgetown University

NCT03451383
Recruiting Phase 3 1,700 target

A Follow-up Study to Test Long-term Treatment With Nerandomilast in People With Pulmonary Fibrosis Who Took Part in a Previous Study With Nerandomilast

Boehringer Ingelheim

NCT06238622
Recruiting NA 1,600 target

The CONFORM Pivotal Trial

Conformal Medical

NCT05147792
Recruiting Phase 3 1,600 target

Efficacy and Safety Studies of Frexalimab (SAR441344) in Adults With Relapsing Forms of Multiple Sclerosis

Sanofi

NCT06141473
Recruiting 1,600 target

A Prospective Registry Study to Assess Real-world Patient Characteristics, Treatment Patterns, and Longitudinal Outcomes in Patients Receiving Mavacamten and Other Treatments for Symptomatic Obstructive Hypertrophic Cardiomyopathy (Obstructive-HCM)

Bristol-Myers Squibb

NCT05489705
Recruiting Phase 3 1,594 target

Phase 3 Study of Teclistamab in Combination With Lenalidomide and Teclistamab Alone Versus Lenalidomide Alone in Participants With Newly Diagnosed Multiple Myeloma as Maintenance Therapy Following Autologous Stem Cell Transplantation

European Myeloma Network B.V.

NCT05243797
Recruiting Phase 2 1,541 target

Long-Term Follow-up Protocol for Participants Treated With Gene-Modified T Cells

Celgene

NCT03435796
Recruiting 1,500 target

Longitudinal Study of Urea Cycle Disorders

Andrea Gropman

NCT00237315
Recruiting 1,500 target

Prospective Clinical Evaluation of the BioFire Emerging Coronavirus Panel for the Detection of COVID-19 and Other Coronaviruses

BioFire Defense

NCT07221097
Recruiting 1,500 target

Evaluating the Genetics and Immunology of Periodic Fever, Aphthous Stomatitis, Pharyngitis, and Cervical Adenitis (PFAPA) Syndrome and Other Tonsil Disorders

National Institute of Allergy and Infectious Diseases (NIAID)

NCT05656365
Recruiting 1,500 target

Intracept Minimally-invasive PROcedure for VErtebrogenic Back Pain

Boston Scientific Corporation

NCT06827262
Recruiting NA 1,500 target

Polygenic Risk Stratification Combined With mpMRI to Identify Clinically Relevant Prostate Cancer

Adam S. Kibel, MD

NCT06398639
Recruiting 1,500 target

Prospective Observational Study of the ICD in Sudden Cardiac Death Prevention

Johns Hopkins University

NCT00733590
Recruiting Phase 2 1,500 target

HEALEY ALS Platform Trial - Master Protocol

Merit E. Cudkowicz, MD

NCT04297683
Recruiting 1,500 target

Registry of Asthma Characterization and Recruitment 3 (RACR3)

National Institute of Allergy and Infectious Diseases (NIAID)

NCT05272241
Recruiting NA 1,500 target

Project Talk Trial: Engaging Underserved Communities in End-of-life Conversations

Milton S. Hershey Medical Center

NCT04612738
Recruiting Phase 2 1,500 target

Pan Tumor Rollover Study

Bristol-Myers Squibb

NCT03899155
Recruiting Phase 3 1,440 target

A Clinical Study of Ifinatamab Deruxtecan (I-DXd) in People With Metastatic Prostate Cancer (MK-2400-001)

Merck Sharp & Dohme

NCT06925737
Recruiting Phase 2 1,400 target

LCH-IV, International Collaborative Treatment Protocol for Children and Adolescents With Langerhans Cell Histiocytosis

North American Consortium for Histiocytosis

NCT02205762
Recruiting Phase 3 1,400 target

Phase IIIb Study of Ribociclib + ET in Early Breast Cancer

Novartis Pharmaceuticals

NCT05827081
Recruiting Phase 3 1,314 target

A Study of Opevesostat (MK-5684) Versus Alternative Next-generation Hormonal Agent (NHA) in Metastatic Castration-resistant Prostate Cancer (mCRPC) Post One NHA (MK-5684-004)

Merck Sharp & Dohme

NCT06136650
Recruiting Phase 3 1,300 target

A Study to Assess the Effectiveness and Safety of IPN10200 Over Time in Adults With Moderate to Severe Wrinkle-like Lines Between the Eyebrows

Ipsen

NCT07435428

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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