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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 147 of 297
- RecruitingHealthy volunteers
Handgrip Training and Brain Blood Flow Regulation
Florida State University
- Location
- Tallahassee, FL
- Eligibility basics
- Ages 18–35
- RecruitingHealthy volunteers
Unconscious Mind Training
Dream Video LLC
- Location
- Naples, FL
- Eligibility basics
- Ages 10–75
- RecruitingHealthy volunteers
Tyrannosaurus Flex: Finding the "Fair-ly Normal" Grip
University of Minnesota
- Location
- Minneapolis, MN
- Eligibility basics
- Ages 2–12
- RecruitingHealthy volunteers
Following the Sound of Music
Northeastern University
- Location
- Boston, MA
- Eligibility basics
- Ages 60–101
- RecruitingHealthy volunteers
Real-World Episodic Memory
Florida State University
- Location
- Tallahassee, FL
- Eligibility basics
- Ages 18–35
- RecruitingHealthy volunteers
Social Connection Collective for Older Adults in Subsidized Housing
Johns Hopkins University
- Location
- Baltimore, MD
- Eligibility basics
- Ages 62+
- RecruitingHealthy volunteers
Emphysema Research Registry and Biosample Repository
University of Pittsburgh
- Location
- Pittsburgh, PA
- Eligibility basics
- Ages 21+
- RecruitingHealthy volunteers
Biomarkers in Friedreich's Ataxia
University of Florida
- Location
- Gainesville, FL
- Eligibility basics
- Ages 6–70
- RecruitingHealthy volunteers
Couple-Based Meditation for Metastatic Lung Cancer Patients and Their Partners
M.D. Anderson Cancer Center
- Location
- Houston, TX + 1 other US site
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Wake Forest Alzheimer's Disease Clinical Core
Wake Forest University Health Sciences
- Location
- Winston-Salem, NC
- Eligibility basics
- Ages 55+
- RecruitingHealthy volunteers
Dyadic Yoga Intervention in Improving Physical Performance and Quality of Life in Patients With Stage I-IV Non-small Cell Lung or Esophageal Cancer Undergoing Radiotherapy and Their Caregivers
M.D. Anderson Cancer Center
- Location
- Houston, TX
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Educating Smokers About Lung Cancer Screening Using Tobacco Quitlines
M.D. Anderson Cancer Center
- Location
- Houston, TX
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Full Vs Partial Weightbearing During the First Six Weeks of Rehab. After Fibular Collateral Ligament Reconstruction
Twin Cities Orthopedics
- Location
- Edina, MN
- Eligibility basics
- Ages 14–59
- RecruitingHealthy volunteers
Non- vs Partial Controlled Weightbearing After Multiple Knee Ligament Reconstruction
Twin Cities Orthopedics
- Location
- Edina, MN
- Eligibility basics
- Ages 14–59
- RecruitingHealthy volunteers
Impact of "Teaching the Teachers" Concept on Global Education and Application of Hepatocellular Carcinoma Diagnosis Guidelines
M.D. Anderson Cancer Center
- Location
- Houston, TX
- Eligibility basics
- Any age listed
- RecruitingHealthy volunteers
Exploring the Role of Neuroactive Steroids in Tourette Syndrome
University of Utah
- Location
- Salt Lake City, UT
- Eligibility basics
- Ages 8–12
- RecruitingHealthy volunteers
A Natural History Study of Metabolic Sizing in Health and Disease
National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)
- Location
- Bethesda, MD
- Eligibility basics
- Ages 2–99
- RecruitingHealthy volunteersPhase 4
Prescription of Letrozole for Uterine Myoma
University of California, San Francisco
- Location
- Los Angeles, CA + 4 other US sites
- Eligibility basics
- Ages 21–53 · Women only
- RecruitingHealthy volunteers
Pulmonary Hypertension and Oxygen Saturation Targeting in Preterm Infants
University of Alabama at Birmingham
- Location
- Birmingham, AL + 1 other US site
- Eligibility basics
- Ages 1 mo–5 mo
- RecruitingHealthy volunteersPhase 4
Sex Differences in Trauma, Inflammation and Brain Function and the Implications for Treatment Efficacy in Alcohol Use Disorder
Milky Kohno
- Location
- Portland, OR
- Eligibility basics
- Ages 18–60
- RecruitingHealthy volunteers
Thrombosis and Inflammation in Vessels Initiative (TIVI)
National Heart, Lung, and Blood Institute (NHLBI)
- Location
- Bethesda, MD
- Eligibility basics
- Ages 5–100
- RecruitingHealthy volunteers
Evaluating Occupational Stress in Surgeons and Musicians: A Multi-modal Pilot Study Using Wearable EEG, Biomarker Analysis and Validated Questionnaires
M.D. Anderson Cancer Center
- Location
- Houston, TX
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Walking Sensation Study
University of Florida
- Location
- Gainesville, FL
- Eligibility basics
- Ages 65–95
- RecruitingHealthy volunteers
The Vanguard Study: Testing a New Way to Screen for Cancer
National Cancer Institute (NCI)
- Location
- Pleasanton, CA + 44 other US sites
- Eligibility basics
- Ages 45–75
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