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7,114 recruiting studies with US sites, from the official ClinicalTrials.gov registry (refreshed Oct 28, 2026). No sign-up needed.
Most recently updated studies · page 32 of 297
- RecruitingHealthy volunteers
Cholate Clearance in Fontan and Heart Failure
HepQuant, LLC
- Location
- Philadelphia, PA
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
The Effects of Quercefit® and Ubiqsome™ in Mitigating Inflammation and Promoting Metabolic Health
Applied Science & Performance Institute
- Location
- Tampa, FL
- Eligibility basics
- Ages 50–75
- RecruitingHealthy volunteers
This Study Evaluates the ALPCO Syphilis-T and Syphilis-NT CLIA Kits for Detecting Syphilis Antibodies in Serum and Plasma. Samples From At-risk, HIV-positive, Pregnant, and Healthy Individuals Will Assess Assay…
American Laboratory Products Company
- Location
- Lancaster, CA + 5 other US sites
- Eligibility basics
- Ages 13+
- RecruitingHealthy volunteers
Making Connections Thru Music
Hopeful Aging
- Location
- Winchester, MA + 1 other US site
- Eligibility basics
- Ages 18–103
- RecruitingHealthy volunteers
The Happiest Baby, Inc. SNOO Postmarket Surveillance Study
Happiest Baby, Inc.
- Location
- Los Angeles, CA
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
AVAVA MIRIA General Use
AVAVA, Inc.
- Location
- Waltham, MA
- Eligibility basics
- Ages 18–70
- RecruitingHealthy volunteers
A Study to Train a Machine Learning Algorithm for an Evaluation of the Use of Biometric Data Captured at the Wrist for the Identification of Acute Opioid Use Events and the Quantification of Opioid Withdrawal in Opioid…
OpiAID
- Location
- Wilmington, NC
- Eligibility basics
- Ages 22+
- RecruitingHealthy volunteers
Within-Subject Comparison of Adipose Tissue Viability Following Liposuction
Apyx Medical
- Location
- Concord, OH + 1 other US site
- Eligibility basics
- Ages 30–65
- RecruitingHealthy volunteersPhase 4
Efficacy of M640 in Acute Lumbosacral Musculoskeletal Conditions.
Primus Pharmaceuticals
- Location
- Clearwater, FL + 7 other US sites
- Eligibility basics
- Ages 18–80
- RecruitingHealthy volunteers
OBPM_PANDA2026: Evaluation of the Performance and Safety of the Aktiia Periodic Optical Blood Pressure Monitoring Device
Aktiia SA
- Location
- Broomfield, CO
- Eligibility basics
- Ages 22–59
- RecruitingHealthy volunteers
Observational Pharmaco-Epidemiology Research & Analysis
Epividian
- Location
- Durham, NC
- Eligibility basics
- Ages 0 mo+
- RecruitingHealthy volunteers
Falcon Real World Evidence Registry
Exact Sciences Corporation
- Location
- Evanston, IL + 1 other US site
- Eligibility basics
- Ages 50–80
- RecruitingHealthy volunteers
Identification and Validation of Blood-Based Biomarkers for Early Detection of Asymptomatic Lung Cancer in High-Risk Heavy Smokers
Everest Detection, Inc.
- Location
- Oklahoma City, OK
- Eligibility basics
- Ages 30–80
- RecruitingHealthy volunteers
Smart Baby Monitor Effects on Infant Sleep and Parent Well-being
Udisense DBA Nanit
- Location
- New York, NY
- Eligibility basics
- Ages 21+
- RecruitingHealthy volunteers
Observational, Non-Interventional Study Supporting Validation of eVO2peak Using Results in Patients Receiving Standard of Care Cardiopulmonary Exercise Tests (CPET)
Prolaio
- Location
- Scottsdale, AZ + 10 other US sites
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Effects of P24 on Postprandial Aminoacidemia
Amplifye
- Location
- Davis, CA
- Eligibility basics
- Ages 45–75
- RecruitingHealthy volunteers
Longevity Metrics AI/ML Development Study
Longevity Metrics, Inc.
- Location
- Boulder, CO
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
100-Year Human Aging Study
Longevity Metrics, Inc.
- Location
- Boulder, CO
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Human Observatory Study
Longevity Metrics, Inc.
- Location
- Boulder, CO
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Health Ahead Comparative Effectiveness Study
William Brandenburg, MD
- Location
- Boulder, CO
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Safety and Tolerability of an Ultra Absorbency Menstrual Tampon Compared to a Commercially Marketed Tampon
Lyv Life Inc. (dba: Cora)
- Location
- St. Petersburg, FL
- Eligibility basics
- Ages 18–49 · Women only
- RecruitingHealthy volunteers
Effects of Continuous Yogurt Intake on Immunomodulatory Function and Subjective Health Status in Healthy U.S. Adults
Meiji Co., Ltd.
- Location
- Chicago, IL
- Eligibility basics
- Ages 18–65
- RecruitingHealthy volunteers
A Study to Test the AdaptDx Pro Agreement in Rod Intercept Time With the AdaptDx in Healthy Subjects With Normal Vision (FlashBack)
AdaptDx, Inc.
- Location
- San Diego, CA
- Eligibility basics
- Ages 22–49
- RecruitingHealthy volunteers
Modified P200TE Data Collection
Optos, PLC
- Location
- Louisville, KY
- Eligibility basics
- Ages 22+
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