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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 42 of 297
- RecruitingHealthy volunteers
Formative Usability Assessment of Wireless Thermal Anisotropy Devices
Rhaeos, Inc.
- Location
- Chicago, IL
- Eligibility basics
- Ages 5–80
- RecruitingHealthy volunteers
A Pilot Study of a Commercially-available Oil Rinse Product (PerioPull™) on Markers of Dental Health
Designs for Health
- Location
- Ellicott City, MD
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Treatment to Lift Facial Lax Skin and Improve Facial Wrinkles Using Precise and Lift Applicators
Sofwave Medical LTD
- Location
- La Mesa, CA + 1 other US site
- Eligibility basics
- Ages 35–80
- RecruitingHealthy volunteers
Airway Data Collection With the Entarik Feeding Tube System
Theranova, L.L.C.
- Location
- Philadelphia, PA
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Dynamic Light Scattering Ocular Measurement in the Detection of Dementia
MD Stem Cells
- Location
- Coconut Creek, FL
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteersPhase 2
Thymus Regeneration, Immunorestoration, and Insulin Mitigation Extension Trial
Intervene Immune, Inc.
- Location
- Torrance, CA
- Eligibility basics
- Ages 40–80
- RecruitingHealthy volunteers
An Observational Study On TheAccuracy Of Whole-Body Magnetic Resonance Imaging (Wb-Mri) ScreeningTo Predict Clinically Significant Diagnoses In General Population Subjects Interested In Proactive And Advanced General…
Hercules
- Location
- Watertown, MA
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Safety and Effectiveness of Slow Wave Device for the Treatment of Obstructive Sleep Apnea
Slow Wave, Inc.
- Location
- Austin, TX
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
A Clinical Trial to Assess Cognitive Effects of Cognitive Nutritional Supplement in General Population
Pharmavite LLC
- Location
- Addison, IL
- Eligibility basics
- Ages 25–65
- RecruitingHealthy volunteers
Parent-Child EF Intervention
Koronis Biomedical Technologies
- Location
- Minneapolis, MN
- Eligibility basics
- Ages 2–5
- RecruitingHealthy volunteers
Prospective Study on Power Prenatal Vitamins for Males on YO Score At-home Sperm Test Results
The Bird and Be Co Inc
- Location
- Encino, CA
- Eligibility basics
- Ages 18–50 · Men only
- RecruitingHealthy volunteers
Project Mountain - Comparing SpO2 and SaO2 for Accuracy
Philips Clinical & Medical Affairs Global
- Location
- Phoenix, AZ + 4 other US sites
- Eligibility basics
- Any age listed
- RecruitingHealthy volunteers
Collection of Sputum and Labeling for Lung Cancer
bioAffinity Technologies Inc.
- Location
- Summit, NJ + 2 other US sites
- Eligibility basics
- Ages 21+
- RecruitingHealthy volunteers
CLAiR Pivotal Study
Toku Eyes Ltd
- Location
- Canton, OH
- Eligibility basics
- Ages 40–75
- RecruitingHealthy volunteers
A Prospective Observational Study to Assess the Reliability and Validity of the MLSDT
Nanoscope Therapeutics Inc.
- Location
- Dallas, TX
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Prospective Study of oncRNA Stratification of Cancer by Size and Stage
Exai Bio Inc.
- Location
- Palo Alto, CA + 1 other US site
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
In Vivo Liquid Biopsy of Melanoma (Cytophone)
Cytoastra
- Location
- Madison, WI
- Eligibility basics
- Ages 18–80
- RecruitingHealthy volunteers
Brain Training for Substance Use Disorders
Neurotype Inc.
- Location
- Minneapolis, MN
- Eligibility basics
- Ages 18–65
- RecruitingHealthy volunteers
Validation and Scaling of Screening Program for Undiagnosed Myasthenia Gravis-Social Media Campaign Paired With a Self-moderated Assessment
ZS Associates
- Location
- Evanston, IL
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Therapeutic Effects of Electrical Vestibular Stimulation (EVS) on Balance and Gait
Neursantys Inc
- Location
- Cupertino, CA + 1 other US site
- Eligibility basics
- Ages 18–100
- RecruitingHealthy volunteers
The Effect of Vicia Faba Hydrolysate Supplementation on Muscle Strength Recovery
PepsiCo Global R&D
- Location
- Bradenton, FL
- Eligibility basics
- Ages 18–45
- RecruitingHealthy volunteers
Home Sleep Therapy for Older Adults With MCI
Brain Electrophysiology Laboratory Company
- Location
- Eugene, OR
- Eligibility basics
- Ages 40–85
- RecruitingHealthy volunteers
Detecting Change in Muscle Parameters, Pain, and Function With NMES for TTA
Sara Peterson-Snyder
- Location
- Pittsburgh, PA
- Eligibility basics
- Ages 18–100
- RecruitingHealthy volunteers
Bone Mineral Density Agreement Study Between EOSedge™ Versus Traditional DXA
Alphatec Spine, Inc.
- Location
- Phoenix, AZ + 1 other US site
- Eligibility basics
- Ages 20+
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