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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 41 of 297
- RecruitingHealthy volunteers
Using CTA Measures to Define Cardiac Risk In NFL Alumni
HeartFlow, Inc.
- Location
- Greenwood Village, CO
- Eligibility basics
- Any age listed
- RecruitingHealthy volunteers
AvertD Post-Approval Study
Prescient Medicine Holdings, Inc.
- Location
- Indianapolis, IN
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Scalable Intervention for Stress Management
Livotion, LLC
- Location
- West Lafayette, IN
- Eligibility basics
- Ages 18–30
- RecruitingHealthy volunteers
The Effect Cranberry-Based Products on the Female Microbiome
Ocean Spray Cranberries, Inc.
- Location
- Chicago, IL
- Eligibility basics
- Ages 18–45 · Women only
- RecruitingHealthy volunteers
Pilot Study for Colorectal Cancer and Advanced Adenoma Detection With the Mainz Biomed Colorectal Cancer Test
Mainz Biomed
- Location
- Morrisville, NC
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Cogito: A Turnkey Solution for Rapidly Developing, Evaluating, Deploying, and Scaling Digital Therapeutics
Square2 Systems, Inc.
- Location
- Hanover, NH
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Data Collection and Professional Simulated Use Study to Develop an Embryo Quality Artificial Intelligence (AI) Model
Fairtility
- Location
- Stamford, CT
- Eligibility basics
- Ages 18+ · Women only
- RecruitingHealthy volunteers
Paired Non-inferiority Study Comparing Overture Semi-automated Vitrification System ("DaVitri") to Standard Manual Process for Clinical Pregnancy Outcomes
Overture Life
- Location
- Novato, CA
- Eligibility basics
- Ages 18–45 · Women only
- RecruitingHealthy volunteers
Postprandial Response to Fruit Juice
Ocean Spray Cranberries, Inc.
- Location
- Addison, IL
- Eligibility basics
- Ages 18–45
- RecruitingHealthy volunteers
Pure Impact Treatment to Strengthen and Tone Abdomen, Quadriceps and Glutes Muscles
Sofwave Medical LTD
- Location
- Eugene, OR
- Eligibility basics
- Ages 25–60
- RecruitingHealthy volunteersPhase 3
Visualizing Brain Proteinopathies Using [F-18]Flornaptitril-PET in the Prediction of Clinical Progression of Mild Cognitive Impairment With Either Suspected Chronic Traumatic Encephalopathy or Alzheimer's Disease
CereMark Pharma, LLC
- Location
- Evanston, IL
- Eligibility basics
- Ages 45+
- RecruitingHealthy volunteers
Apple Health Study
Apple Inc.
- Location
- Washington D.C., DC + 1 other US site
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Trial to Compare the Effects of Myo Munchee Therapy and Oral Motor Therapy (OMT) in Pediatric Patients to Treat Maxillary Deficiency and Orofacial Myofunctional Dysfunction (OMD).
Myo Munchee (Operations) Pty Ltd
- Location
- Chicago, IL + 1 other US site
- Eligibility basics
- Ages 3–5
- RecruitingHealthy volunteers
A Randomized, Double Blind, Placebo Controlled, Clinical Study to Examine the Benefits of an Oral Product in Panelists With Menopausal Symptoms Including Vasomotor Symptoms (VMS).
Olly, PBC
- Location
- San Francisco, CA
- Eligibility basics
- Ages 40–65 · Women only
- RecruitingHealthy volunteers
Pilot Study of the Entarik System With Advanced Functionality in Health Adults
Gravitas Medical, Inc.
- Location
- Berkeley, CA
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteersPhase 2
Safety, and Efficacy Study of ShigETEC, a Live, Attenuated, Oral Combination Vaccine to Prevent Shigella and ETEC Disease Delivered to Healthy Adults Ages 18 to 50 Years Old
Eveliqure Biotechnologies GmbH
- Location
- Baltimore, MD
- Eligibility basics
- Ages 18–50
- RecruitingHealthy volunteersPhase 4
The Role of hCG in Thawed Embryo Transfer
Fertility Center of Las Vegas
- Location
- Las Vegas, NV
- Eligibility basics
- Ages 18+ · Women only
- RecruitingHealthy volunteers
Registry of Arthrex Hand and Wrist Products
Arthrex, Inc.
- Location
- Phoenix, AZ + 3 other US sites
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Effects of Effera Human Lactoferrin at One Dose Compared to Placebo on Gut Permeability
Helaina Inc.
- Location
- Addison, IL
- Eligibility basics
- Ages 18–40
- RecruitingHealthy volunteers
NeuroTrainer Cognitive Training For Academic Focus
NeuroTrainer
- Location
- Marquette, MI + 2 other US sites
- Eligibility basics
- Ages 11–17
- RecruitingHealthy volunteers
Feasibility of Using the Gatorade Sports Science Institute (GSSI) Labs App for Hydration Related Outcomes
PepsiCo Global R&D
- Location
- Chicago, IL
- Eligibility basics
- Ages 18–65
- RecruitingHealthy volunteers
InSpace Accelerated Rehabilitation Study
Stryker Endoscopy
- Location
- Phoenix, AZ + 10 other US sites
- Eligibility basics
- Ages 65+
- RecruitingHealthy volunteers
Outcomes Following Combined Adductoplasty™ and Lapiplasty® (MTA3D)
Treace Medical Concepts, Inc.
- Location
- Greeley, CO + 8 other US sites
- Eligibility basics
- Ages 14–65
- RecruitingHealthy volunteers
Computerized Tests of Cognitive Decline in Presymptomatic Alzheimer's Disease
Neurobehavioral Systems, Inc.
- Location
- Berkeley, CA
- Eligibility basics
- Ages 18–89
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