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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 35 of 297
- RecruitingHealthy volunteers
Philips FAST SpO2 Technology With Masimo Sensors for SpO2 Monitoring in the Neonatal, Infant, and Pediatric Populations
Masimo Corporation
- Location
- Modesto, CA + 1 other US site
- Eligibility basics
- Ages 0 mo–21
- RecruitingHealthy volunteersPhase 3
A Study on the Immune Response and Safety of an Investigational Combined Measles, Mumps, Rubella and Varicella Vaccine, When Administered as Intramuscular Injection to Healthy Children 15 Months to 6 Years of Age
GlaxoSmithKline
- Location
- Birmingham, AL + 14 other US sites
- Eligibility basics
- Ages 1–6
- RecruitingHealthy volunteersPhase 3
Epidemiology and Biomarker Study in Alzheimer's Disease
Eli Lilly and Company
- Location
- Houston, TX
- Eligibility basics
- Ages 55–75
- RecruitingHealthy volunteers
EXoPERT EMERALD Clinical Study
EXoPERT
- Location
- Long Beach, CA + 8 other US sites
- Eligibility basics
- Ages 45+
- RecruitingHealthy volunteers
A Study to Evaluate the Effects of a Prebiotic Soda on Glycemic Control in Adults
Olipop, PBC
- Location
- Los Angeles, CA
- Eligibility basics
- Ages 30–70
- RecruitingHealthy volunteers
Food and Metabolism Study
Clinical Nutrition Research Center, Illinois Institute of Technology
- Location
- Chicago, IL
- Eligibility basics
- Ages 40–70
- RecruitingHealthy volunteers
CREST: Samphire Guided Care Program on Wellbeing, Work Productivity, and Quality of Life
Samphire Group, Inc.
- Location
- San Francisco, CA
- Eligibility basics
- Ages 18–65 · Women only
- RecruitingHealthy volunteers
Effects of Miricell Supplementation on Biomarkers of Healthy Aging and Autophagy
Nutraland USA, Inc.
- Location
- Canfield, OH
- Eligibility basics
- Ages 40–70
- RecruitingHealthy volunteers
The Impact of Enhanced Music & Natural Visuals on Emotional Health
soundBrilliance LLC
- Location
- Fort Collins, CO + 2 other US sites
- Eligibility basics
- Ages 13+
- RecruitingHealthy volunteers
Exablate for LIFU Neuromodulation in Patients With Opioid Use Disorder (OUD) and/or Other Substance Use Disorders (SUDs)
InSightec
- Location
- Baltimore, MD + 2 other US sites
- Eligibility basics
- Ages 18–60
- RecruitingHealthy volunteers
How's Your Balance?
RxFunction Inc.
- Location
- Saint Paul, MN
- Eligibility basics
- Ages 20+
- RecruitingHealthy volunteers
Aptis PRUJ Prosthesis for the Treatment of Patients With Proximal Radial Ulna Joint Disorders.
Aptis Medical
- Location
- Carmel, IN + 5 other US sites
- Eligibility basics
- Ages 18–85
- RecruitingHealthy volunteers
Crownlands Observing Progression With Neurons Study
Crownlands
- Location
- Germantown, MD
- Eligibility basics
- Ages 55+
- RecruitingHealthy volunteers
A Study to Determine the Effects of ENDS Flavor Availability on Abstinence Within Smokers
RAI Services Company
- Location
- Maitland, FL + 6 other US sites
- Eligibility basics
- Ages 21–65
- RecruitingHealthy volunteers
AI-Enabled Direct-from-ECG Ejection Fraction (EF) Severity Assessment Using COR ECG Wearable Monitor
Peerbridge Health, Inc
- Location
- Orange, CA + 7 other US sites
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Pornography Abstinence and Nocturnal Erections in Adult Men
Efforia, Inc
- Location
- New York, NY
- Eligibility basics
- Ages 18+ · Men only
- RecruitingHealthy volunteers
The Effect of Rinsing on Ocular Inflammation and Symptoms in Patients With Dry Eye Disease
Rinsada
- Location
- Pittsburgh, PA
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteersPhase 3
A Study on the Safety of an Investigational Chickenpox Vaccine, When Given to Healthy Children, 12 to 15 Months of Age
GlaxoSmithKline
- Location
- Huntington Park, CA + 14 other US sites
- Eligibility basics
- Ages 1–1
- RecruitingHealthy volunteersPhase 3
A Study on the Immune Response and Safety of an Investigational Chickenpox Vaccine When Given to Healthy Children 12 to 15 Months of Age
GlaxoSmithKline
- Location
- Mobile, AL + 46 other US sites
- Eligibility basics
- Ages 1–1
- RecruitingHealthy volunteersPhase 3
A Study on the Immune Response and Safety of an Investigational Chickenpox Vaccine and a Marketed Measles, Mumps and Rubella Vaccine When Administered as Intramuscular Injection to Healthy Children 12 to 15 Months of Age
GlaxoSmithKline
- Location
- Tucson, AZ + 12 other US sites
- Eligibility basics
- Ages 1–1
- RecruitingHealthy volunteers
mTBI Identification and Monitoring Through Retinal Scanning
Rebiscan, Inc.
- Location
- Boston, MA
- Eligibility basics
- Ages 18–45
- RecruitingHealthy volunteersPhase 2
Study to Evaluate the REMEDY SPECTRUM GV IM Spacer Nail in the Treatment of Ankle-Related Infections
OsteoRemedies, LLC
- Location
- Lansing, MI + 2 other US sites
- Eligibility basics
- Ages 21+
- RecruitingHealthy volunteers
Non-invasive Liquid Biopsy Analysis of Epigenomics Signatures in Multiple Cancer Types
ClearNote Health
- Location
- San Diego, CA
- Eligibility basics
- Ages 21–80
- RecruitingHealthy volunteers
Identification of Breast Cancer in Breath Samples Using Trained Detection Dogs
SpotitEarly
- Location
- Totowa, NJ + 1 other US site
- Eligibility basics
- Ages 18+ · Women only
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