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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 Iowa. 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 80,000 participants

Generic Database of Very Low Birth Weight Infants

NICHD Neonatal Research Network

NCT00063063

Recruiting 68,000 participants

Follow-up Visit of High Risk Infants

NICHD Neonatal Research Network

NCT00009633

Recruiting 40,000 participants

Stroke Thrombectomy and Aneurysm Registry

Medical University of South Carolina

NCT04994756

Recruiting 14,000 participants

Multi-Center Registry for Peripheral Arterial Disease Interventions and Outcomes

Baylor Research Institute

NCT01904851

Recruiting NA 8,100 participants

Behavioral Economic & Staffing Strategies in the ICU

University of Nebraska

NCT06184945

Recruiting 8,000 participants

Determinants of Incident Stroke Cognitive Outcomes and Vascular Effects on RecoverY

Massachusetts General Hospital

NCT04916210

Recruiting NA 8,000 participants

Use of the CA 125 Algorithm for the Early Detection of Ovarian Cancer in Low Risk Women

M.D. Anderson Cancer Center

NCT00539162

Recruiting Phase 4 7,410 participants

Investigation of Metformin in Pre-Diabetes on Atherosclerotic Cardiovascular OuTcomes

VA Office of Research and Development

NCT02915198

Recruiting 7,000 participants

Quality of Pediatric Resuscitation in a Multicenter Collaborative

Children's Hospital of Philadelphia

NCT02708134

Recruiting Phase 3 6,000 participants

BEATRIX: A Study to Learn About a Group B Streptococcus Vaccine in Healthy Pregnant Women and Their Babies

Pfizer

NCT07160244

Recruiting 5,000 participants

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

Montefiore Medical Center

NCT06181994

Recruiting 5,000 participants

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

Michael Shy

NCT01193075

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

Multisite Inventory of Neonatal-Perinatal Interventions (MINI) Minimum Dataset

The University of Texas Health Science Center, Houston

NCT05685745

Recruiting 5,000 participants

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

Yale University

NCT06030063

Recruiting 5,000 participants

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

Duke University

NCT04278404

Recruiting 5,000 participants

CureDuchenne Link®: A Resource for Research

CureDuchenne

NCT04972604

Recruiting NA 4,000 participants

The Fourth Left Atrial Appendage Occlusion Study

Hamilton Health Sciences Corporation

NCT05963698

Recruiting 4,000 participants

American Lung Association (ALA) Lung Health Cohort

Johns Hopkins University

NCT04543461

Recruiting 3,500 participants

Genetic Epidemiology of Rotator Cuff Tears: The cuffGEN Study

University of Michigan

NCT04831164

Recruiting NA 3,218 participants

Rigorous Evaluation of the READY to Stand Curriculum to Prevent the Commercial Sexual Exploitation of Children

University of Michigan

NCT06587529

Recruiting NA 3,090 participants

The ED-AWARENESS-2 Trial

Washington University School of Medicine

NCT05534243

Recruiting 3,000 participants

Pulmonary Hypertension Association Registry

Pulmonary Hypertension Association

NCT04071327

Recruiting 3,000 participants

Friedreich Ataxia Global Clinical Consortium UNIFIED Natural History Study

Friedreich's Ataxia Research Alliance

NCT06016946

Recruiting NA 2,634 participants

RESTORE: REducing Future fractureS and Improving ouTcOmes of fRagility fracturE

University of Alabama at Birmingham

NCT06455085

Recruiting 2,600 participants

The Heartland Study

Heartland Health Research Alliance

NCT05492708

Recruiting Phase 3 2,540 participants

CSP #2026 - Beta Blocker Dialyzability on Cardiovascular Outcomes

VA Office of Research and Development

NCT05931276

Recruiting 2,500 participants

MOON Shoulder Instability-Cohort of Patients Undergoing Operative Treatment.

Carolyn M Hettrich

NCT02075775

Recruiting NA 2,433 participants

Neonatal Platelet Transfusion Threshold Trial

NICHD Neonatal Research Network

NCT06676904

Recruiting NA 2,300 participants

Comparison of the Outcomes of Single vs Multiple Arterial Grafts in Women

Weill Medical College of Cornell University

NCT04124120

Recruiting 2,062 participants

Immune Checkpoint Inhibitor Toxicity Risk Prediction in Solid Tumors

SWOG Cancer Research Network

NCT04871542

Recruiting NA 2,039 participants

Delay AvoIding Primary Evaluation for ThRombectomy of Acute StrokE Patients With Large Vessel OCclusion in the Angiography SuiTe

Santiago Ortega Gutierrez

NCT06825897

Recruiting 2,000 participants

Aquagenic Wrinkling Prediction

University of Iowa

NCT06831110

Recruiting 2,000 participants

ID Of Prognostic Factors In Mycosis Fungoides/Sezary Syndrome

Stanford University

NCT02848274

Recruiting 2,000 participants

Specimen Collection from Pregnant Women At Increased Risk for Fetal Aneuploidy

Sequenom

NCT01429389

Recruiting Phase 3 1,800 participants

Minimizing ICU Neurological Dysfunction With Dexmedetomidine-induced Sleep (MINDDS II)

Massachusetts General Hospital

NCT06192615

Recruiting 1,650 participants

Prospective Study to Assess a Diagnostic Aid for Cancer

Harbinger Health

NCT07046260

Recruiting 1,600 participants

Pharmacokinetics and Safety of Commonly Used Drugs in Lactating Women and Breastfed Infants

Duke University

NCT03511118

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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