Core: healthy volunteers
Studies for healthy volunteers recruiting now
These studies say in their official record that they accept healthy volunteers. Many are Phase 1 studies that test how a new medicine is absorbed and tolerated; others recruit healthy people as a comparison group alongside patients.
5,002 recruiting studiesSource: ClinicalTrials.gov, refreshed October 26, 2026How we list studies
More recruiting studies (pay not posted)
- RecruitingHealthy volunteers
Aimmune Longitudinal Collaboration Study
Aimmune Therapeutics, Inc.
- Location
- Ambler, PA + 1 other US site
- Eligibility basics
- Ages 18–50
- RecruitingHealthy volunteersPhase 2
Safety & Effectiveness of Autologous Regenerative Cell Therapy on Pain & Inflammation of Osteoarthritis of the Shoulder
VivaTech International, Inc.
- Location
- Grove City, PA
- Eligibility basics
- Ages 18–90
- RecruitingHealthy volunteersPhase 2
Safety & Effectiveness of Autologous Regenerative Cell Therapy on Pain & Inflammation of Osteoarthritis of the Knee
VivaTech International, Inc.
- Location
- Grove City, PA
- Eligibility basics
- Ages 18–90
- RecruitingHealthy volunteersPhase 2
Safety & Effectiveness of Autologous Regenerative Cell Therapy on Pain & Inflammation of Osteoarthritis of the Hip
VivaTech International, Inc.
- Location
- Grove City, PA
- Eligibility basics
- Ages 18–90
- RecruitingHealthy volunteers
Clinical Validation of the Aptitude Medical Systems Metrix COVID-19 Test
Aptitude Medical Systems
- Location
- Birmingham, AL + 2 other US sites
- Eligibility basics
- Ages 2+
- RecruitingHealthy volunteers
MindRhythm Detection of Concussion and Recovery Study
MindRhythm, Inc.
- Location
- Cupertino, CA
- Eligibility basics
- Ages 4+
- RecruitingHealthy volunteers
In Vivo Cross-Modal Imaging of Skin
Gabriel Sanchez
- Location
- Mountain View, CA
- Eligibility basics
- Ages 2–90
- RecruitingHealthy volunteers
Development of a Therapeutic Device to Improve Speech Sound Differentiation in Preterm Infants
Thrive Neuromedical, LLC
- Location
- Atlanta, GA
- Eligibility basics
- Ages 7 mo–8 mo
- RecruitingHealthy volunteers
The Mitopure Challenge to Detect Levels of Urolithin A in Dried Blood Spots
Amazentis SA
- Location
- San Francisco, CA
- Eligibility basics
- Ages 18–80
- RecruitingHealthy volunteers
CorMatrix Cor TRICUSPID ECM Valve Replacement Study
Corvivo Cardiovascular, Inc.
- Location
- Mobile, AL + 3 other US sites
- Eligibility basics
- Ages 1–85
- RecruitingHealthy volunteers
Evaluate the Effects of Citicoline on Mood in Healthy Adults
Kirin Holdings Company, Limited
- Location
- Canfield, OH
- Eligibility basics
- Ages 21–65
- RecruitingHealthy volunteers
Pivotal Trial of Automated Artificial Intelligence (AI) Based System for Early Diagnosis of Diabetic Retinopathy
iHealthScreen Inc
- Location
- Richmond Hill, NY
- Eligibility basics
- Ages 22+
- RecruitingHealthy volunteers
Evaluation of Tasso+ Blood Self-Collection for Clinical Diagnostic Assessment of Various Biomarkers
American Research Labs
- Location
- Atlantis, FL
- Eligibility basics
- Ages 13+
- RecruitingHealthy volunteers
Pivotal Trial of an Automated AI-based System for Early Diagnosis and Prediction of Late Age-related Macular Degeneration
iHealthScreen Inc
- Location
- Richmond Hill, NY
- Eligibility basics
- Ages 50+
- RecruitingHealthy volunteers
4-day Plaque Accumulation Model Evaluating Compound Containing Gum
Lactea Therapeutics, LLC
- Location
- Indianapolis, IN
- Eligibility basics
- Ages 18–65
- 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
Who these studies look for
“Healthy” is decided at screening, not by you. Sites usually check vital signs, blood and urine tests, an ECG, your medications and sometimes your BMI or smoking status. A study can still turn you away for reasons that have nothing to do with being unwell, such as timing or a full roster.
Matching a page like this one never means you qualify. Each research team decides eligibility at screening.
Questions
Do healthy volunteer studies pay?
Many do, because volunteers give up time and follow strict schedules, but amounts are set by each study and are usually only confirmed by the research site. When a record states an amount we show the exact wording; otherwise we say compensation is not disclosed.
What happens at a screening visit?
Expect consent paperwork first, then a health questionnaire, vital signs, blood and urine samples and often an ECG. You can ask questions and withdraw at any time, before or after you sign.