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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 144 of 297
- RecruitingHealthy volunteers
CommunityRx-Dementia + Peer Navigation (CRxDpeer)
University of Chicago
- Location
- Chicago, IL
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Making Meals With Pulses
USDA Grand Forks Human Nutrition Research Center
- Location
- Grand Forks, ND
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Surgical Recovery Support Pillow for Spine Surgeries
Montefiore Medical Center
- Location
- The Bronx, NY
- Eligibility basics
- Ages 19+
- RecruitingHealthy volunteers
Radon on the RADAR (Residents Acting to Detect and Alleviate Radon) 2.0
Stacy Stanifer
- Location
- Lexington, KY
- Eligibility basics
- Ages 21–100
- RecruitingHealthy volunteersPhase 3
Suzetrigine in TKA
Hospital for Special Surgery, New York
- Location
- New York, NY
- Eligibility basics
- Ages 18–80
- RecruitingHealthy volunteers
Healing Hearts: A Mindfulness App for Parents Navigating Divorce or Separation
University of Connecticut
- Location
- Stamford, CT
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Study of Systemic Lupus Erythematosus
National Institute of Arthritis and Musculoskeletal and Skin Diseases (NIAMS)
- Location
- Bethesda, MD
- Eligibility basics
- Ages 3–120
- RecruitingHealthy volunteers
Use of CA125 and Complementary Biomarkers for the Early Detection of Ovarian Cancer in Low Risk Women
M.D. Anderson Cancer Center
- Location
- Miami, FL + 9 other US sites
- Eligibility basics
- Ages 50–74 · Women only
- RecruitingHealthy volunteers
Tumor Cell and DNA Detection in the Blood, Urine, and Bone Marrow
University of Missouri-Columbia
- Location
- Columbia, MO
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Attentional Biases, Reward Sensitivity, and Cognitive Control in Adults With Bipolar Disorder
University Hospitals Cleveland Medical Center
- Location
- Cleveland, OH
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Longitudinal Studies of Patient With FPDMM
National Human Genome Research Institute (NHGRI)
- Location
- Bethesda, MD
- Eligibility basics
- Ages 0 mo–100
- RecruitingHealthy volunteers
Technical Development of Cardiovascular Magnetic Resonance Imaging
National Heart, Lung, and Blood Institute (NHLBI)
- Location
- Washington D.C., DC + 1 other US site
- Eligibility basics
- Ages 18–100
- RecruitingHealthy volunteers
Targeting Specific Brain Networks to Treat Specific Symptoms in Depression
Massachusetts General Hospital
- Location
- Boston, MA
- Eligibility basics
- Ages 18–65
- RecruitingHealthy volunteers
Reversibility of Brain Glucose Transport in Type 2 Diabetes Mellitus (T2DM)
Yale University
- Location
- New Haven, CT
- Eligibility basics
- Ages 18–60
- RecruitingHealthy volunteers
Cognitive Strategies for Optimizing Brain Health And Managing Transgenerational Vascular Risk Factors Post-Stroke
University of New Mexico
- Location
- Albuquerque, NM
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
A Study of Lung Cancer Screening in People With Unexplained Weight Loss
Memorial Sloan Kettering Cancer Center
- Location
- Basking Ridge, NJ + 7 other US sites
- Eligibility basics
- Ages 50–80
- RecruitingHealthy volunteers
The Effect of Light Intervention on Recovery in Individuals With Opioid Use Disorder (OUD)
University of Alabama at Birmingham
- Location
- Birmingham, AL
- Eligibility basics
- Ages 18–60
- RecruitingHealthy volunteers
Interactive Roles of Cardiorespiratory Fitness and Adiposity on Glucose and Vascular Control After Physical Inactivity
Miami University
- Location
- Oxford, OH
- Eligibility basics
- Ages 18–40
- RecruitingHealthy volunteersPhase 4
Biotivity A-C Membrane Socket Preservation Study
University of Maryland, Baltimore
- Location
- Baltimore, MD
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Longitudinal Deep Phenotyping of Central Mechanisms in Dysosmia: A Pilot Study Using Electrobulbogram (EBG), Functional MRI (fMRI), and Diffusion-Weighted Imaging (DWI)
National Institute on Deafness and Other Communication Disorders (NIDCD)
- Location
- Bethesda, MD
- Eligibility basics
- Ages 18–99
- RecruitingHealthy volunteers
Testing an Educational Program to Improve Goals of Care Conversations Between Patients and Their Care Teams
SWOG Cancer Research Network
- Location
- Little Rock, AR + 6 other US sites
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
On Track for Wellness (OTW) Stepped Wedge Cluster Randomized Trial
University of Illinois at Chicago
- Location
- Chicago, IL
- Eligibility basics
- Any age listed
- RecruitingHealthy volunteers
Combatting HIV Or Other STIs Early (CHOOSE)
Westat
- Location
- San Francisco, CA + 5 other US sites
- Eligibility basics
- Ages 13–24 · Men only
- RecruitingHealthy volunteers
Vagustim™ Transcutaneous Auricular Vagus Nerve Stimulation Devices
Northwell Health
- Location
- New Hyde Park, NY
- Eligibility basics
- Ages 18+
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