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7,120 recruiting studies with US sites, from the official ClinicalTrials.gov registry (refreshed Oct 26, 2026). No sign-up needed.
Most recently updated studies · page 132 of 297
- RecruitingPhase 3
Bioequivalence Study With Clinical Endpoint Comparing Bimatoprost Ophthalmic Solution 0.01% and LUMIGAN® in the Treatment of Chronic Open-Angle Glaucoma or Ocular Hypertension in Both Eyes.
Amneal Pharmaceuticals, LLC
- Location
- Newport Beach, CA + 7 other US sites
- Eligibility basics
- Ages 18+
- Recruiting
Early Feasibility Study of the Cardiac Implants Percutaneous Ring Annuloplasty System
Cardiac Implants LLC
- Location
- New York, NY
- Eligibility basics
- Ages 18+
- RecruitingPhase 2/Phase 3
An Adaptive Phase II/III, Two-Part, Double-Blind, Randomized, Placebo-controlled, Dose-Finding, Multi-center Study of the Safety and Efficacy of NaBen®, as an Add-on Therapy With Clozapine, for Residual Symptoms of…
SyneuRx International (Taiwan) Corp
- Location
- Pasadena, CA
- Eligibility basics
- Ages 18–55
- RecruitingPhase 4
Microsurfaced Grafts in Deep Burn Wounds
CellTherX
- Location
- Augusta, GA
- Eligibility basics
- Ages 21+
- Recruiting
Safety and Efficacy of Next Science Gel on Toenail Fungus
Next Science TM
- Location
- South Miami, FL
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Hereditary Leiomyomatosis Renal Cell Cancer - Study of the Genetic Cause and the Predisposition to Renal Cancer
National Cancer Institute (NCI)
- Location
- Bethesda, MD
- Eligibility basics
- Ages 2+
- RecruitingHealthy volunteers
Natural History and Development of Spondyloarthritis
National Institute of Arthritis and Musculoskeletal and Skin Diseases (NIAMS)
- Location
- Bethesda, MD
- Eligibility basics
- Ages 2–99
- RecruitingHealthy volunteers
Brain Stimulation and Vision Testing
National Institute of Mental Health (NIMH)
- Location
- Bethesda, MD
- Eligibility basics
- Ages 18–50
- RecruitingHealthy volunteers
Collection of Airway, Blood and/or Urine Specimens From Subjects for Research Studies
Weill Medical College of Cornell University
- Location
- New York, NY
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Development Of Neuroimaging Methods To Assess The Neurobiology Of Addiction
National Institute on Alcohol Abuse and Alcoholism (NIAAA)
- Location
- Bethesda, MD
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Human Biospecimen Procurement Protocol: Biorepository to Support Translational Research to Identify Disease Mechanism(s)
National Heart, Lung, and Blood Institute (NHLBI)
- Location
- Bethesda, MD
- Eligibility basics
- Ages 1 mo–100
- RecruitingHealthy volunteers
NIAID Centralized Sequencing Protocol
National Institute of Allergy and Infectious Diseases (NIAID)
- Location
- Washington D.C., DC + 1 other US site
- Eligibility basics
- Ages 0 mo–100
- RecruitingHealthy volunteers
Samples From Human Subjects to Facilitate Basic, Translational and Clinical Research
National Institutes of Health Clinical Center (CC)
- Location
- Bethesda, MD
- Eligibility basics
- Ages 18–100
- RecruitingHealthy volunteers
Radiotracer-Based Perfusion Imaging of Patients With Peripheral Arterial Disease
Nationwide Children's Hospital
- Location
- Columbus, OH
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Prospective Evaluation of High Resolution Dual Energy Computed Tomographic Imaging, Noninvasive (Liquid) Biopsies, and Minimally Invasive Surgical Surveillance for Early Detection of Mesotheliomas in Patients With BAP1…
National Cancer Institute (NCI)
- Location
- Bethesda, MD
- Eligibility basics
- Ages 30–120
- RecruitingHealthy volunteers
Women s Health Awareness Community Resiliency, Environmental Action and Collaborations for Health (REACH)
National Institute of Environmental Health Sciences (NIEHS)
- Location
- Research Triangle Park, NC
- Eligibility basics
- Ages 18–100 · Women only
- RecruitingHealthy volunteers
BREATHE: An Efficacy-implementation Trial Among Black Adults With Uncontrolled Asthma
Columbia University
- Location
- Beacon, NY + 1 other US site
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Characterization of Nociception Phenotype in Individuals With Intellectual Disability
National Institutes of Health Clinical Center (CC)
- Location
- Bethesda, MD
- Eligibility basics
- Ages 8–30
- RecruitingHealthy volunteers
Registry for CADASIL
University of Wisconsin, Madison
- Location
- Madison, WI
- Eligibility basics
- Ages 18–90
- RecruitingHealthy volunteers
A Prospective Natural History Study of Lymphatic Anomalies
Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD)
- Location
- Bethesda, MD
- Eligibility basics
- Ages 0 mo–100
- RecruitingHealthy volunteers
Screen Smart: Using Digital Health to Improve HIV Screening and Prevention
Children's Hospital Medical Center, Cincinnati
- Location
- Columbus, OH
- Eligibility basics
- Ages 15–21
- RecruitingHealthy volunteersPhase 2
CMV-MVA Triplex Vaccination in HLA-Matched Related Stem Cell Donors for the Prevention of CMV Infection in Patients Undergoing Hematopoietic Stem Cell Transplant
City of Hope Medical Center
- Location
- Duarte, CA + 2 other US sites
- Eligibility basics
- Ages 18–75
- RecruitingHealthy volunteers
Comparing Telephone Symptom Monitoring Interventions for Managing Symptoms and Psychological Distress During Oral Anti-Cancer Treatment
NRG Oncology
- Location
- Phoenix, AZ + 29 other US sites
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Post-Operative Cesarean Section Cosmesis
Wake Forest University Health Sciences
- Location
- Winston-Salem, NC
- Eligibility basics
- Ages 18–44 · Women only
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