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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 152 of 297
- RecruitingHealthy volunteers
Development of Attentional Biases for Affective Cues in Infants of Mothers With Depression
Binghamton University
- Location
- Binghamton, NY
- Eligibility basics
- Ages 6 mo+
- RecruitingHealthy volunteers
Work2Prevent Plus: Structural Intervention to Promote HIV Care in Black Sexual Minority Men
University of Chicago
- Location
- Chicago, IL
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteersPhase 4
A Prospective, Randomized, Subject and Vision-assessor Masked, Multicenter Study Comparing Bilateral Clareon PanOptix, Bilateral Clareon PanOptix Pro, and Mixed Clareon PanOptix Pro/Vivity Intraocular Lens Implantation…
Berkeley Eye Center
- Location
- Plymouth Meeting, PA + 1 other US site
- Eligibility basics
- Ages 40+
- RecruitingHealthy volunteers
Cooking HEalthy and Facilitating Early Childhood Development: CHEF-ED Study
Baylor College of Medicine
- Location
- Houston, TX
- Eligibility basics
- Ages 18–64
- RecruitingHealthy volunteers
Food Intake and Thermogenesis in High Spinal Cord Injury
University of Miami
- Location
- Miami, FL
- Eligibility basics
- Ages 18–70
- RecruitingHealthy volunteers
Evaluating the Clinical Efficacy of Thulio vs. Holmium Laser Enucleation of the Prostate
Smita De
- Location
- Cleveland, OH
- Eligibility basics
- Ages 18+ · Men only
- RecruitingHealthy volunteers
Improving Productive Community Integration in Homeless-experienced Veterans
VA Office of Research and Development
- Location
- West Los Angeles, CA
- Eligibility basics
- Ages 18–65
- RecruitingHealthy volunteersPhase 4
Bupivacaine With Epinephrine Over Diaphragm in Laparoscopy
Cedars-Sinai Medical Center
- Location
- Los Angeles, CA
- Eligibility basics
- Ages 18+ · Women only
- RecruitingHealthy volunteers
Vaginal Natural Orifice Transluminal Endoscopic (vNOTE) Hysterectomy With Uterosacral Suspension
The University of Texas Health Science Center, Houston
- Location
- Houston, TX
- Eligibility basics
- Ages 18+ · Women only
- RecruitingHealthy volunteers
Alcohol Sensitivity Among Older Adults Who Consume Alcohol
University of Florida
- Location
- Gainesville, FL
- Eligibility basics
- Ages 65–80
- RecruitingHealthy volunteers
Effects of Caffeine on Chess Performance and Cognitive Function in Professional Chess Players
St. Louis University
- Location
- St Louis, MO
- Eligibility basics
- Ages 18–50
- RecruitingHealthy volunteers
Advancing Stillbirth Prevention Through Innovative Risk Evaluation (ASPIRE) Clinical Study
Medicines360
- Location
- Baton Rouge, LA
- Eligibility basics
- Ages 18–99 · Women only
- RecruitingHealthy volunteers
Enhancing Voluntary Motion in Broad Patient Populations With Modular Powered Orthoses Renewal
University of Michigan
- Location
- Ann Arbor, MI
- Eligibility basics
- Ages 18–85
- RecruitingHealthy volunteersPhase 2
Inflammation and Medical Provider Attitudes, Cognition, and Treatment Decisions Study
University of Arkansas, Fayetteville
- Location
- Fayetteville, AR + 2 other US sites
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Sex Hormones and Aging
University of Michigan
- Location
- Ann Arbor, MI
- Eligibility basics
- Ages 50–70 · Women only
- RecruitingHealthy volunteersPhase 4
Autonomic and Renal Contributions to Hypertension With ADT
Virginia Commonwealth University
- Location
- Richmond, VA
- Eligibility basics
- Ages 40+ · Men only
- RecruitingHealthy volunteers
Visual Hallucinations in Lewy Body Diseases
NYU Langone Health
- Location
- New York, NY
- Eligibility basics
- Ages 18–90
- RecruitingHealthy volunteers
Two-Week Stair-Climbing Exercise Snacks and Metabolic Health in Adults With Overweight or Obesity: A Pilot Study
St. Louis University
- Location
- St Louis, MO
- Eligibility basics
- Ages 18–35
- RecruitingHealthy volunteers
The Neurodevelopmental and Behavioral Phenotyping Screening Protocol
National Institute of Mental Health (NIMH)
- Location
- Bethesda, MD
- Eligibility basics
- Ages 1 mo+
- RecruitingHealthy volunteers
Urolift Pre-SBRT for Reduced Urinary Toxicity in Patients With BPH and Prostate Cancer.
Northwell Health
- Location
- Syosset, NY
- Eligibility basics
- Ages 50–99 · Men only
- RecruitingHealthy volunteers
Remote Digital Physiologic Data Collection in Cancer: An MSK Registry Protocol
Memorial Sloan Kettering Cancer Center
- Location
- New York, NY
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteersPhase 2
Early Metabolic Effects of Antiretroviral Drugs in Healthy volUnteers: a Phase 2 Randomized Study
National Institute of Allergy and Infectious Diseases (NIAID)
- Location
- Bethesda, MD
- Eligibility basics
- Ages 18–55
- RecruitingHealthy volunteers
HeartShare: Combining Omics, Deep Phenotyping, and Electronic Health Records for Heart Failure Subtypes and Treatment Targets
Northwestern University
- Location
- Sacramento, CA + 3 other US sites
- Eligibility basics
- Ages 30+
- RecruitingHealthy volunteers
Myocardial Mechanisms in Heart Failure With Preserved Ejection Fraction
Northwestern University
- Location
- Chicago, IL + 5 other US sites
- Eligibility basics
- Ages 30+
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