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
Effectiveness Testing of a Videogame Intervention (No Baby No) to Decrease Contraception Non-use Among Adolescents.
Weill Medical College of Cornell University
- Location
- Brooklyn, NY + 5 other US sites
- Eligibility basics
- Ages 15–20
- RecruitingHealthy volunteersPhase 4
MenB-FHbp or MenACWY-TT/MenB-FHbp Vaccine in MenB-4C Primed Young Adults
Emory University
- Location
- Atlanta, GA + 1 other US site
- Eligibility basics
- Ages 18–25
- RecruitingHealthy volunteers
Stress and Anxiety Effects on Valuation
NYU Langone Health
- Location
- New York, NY
- Eligibility basics
- Ages 18–65
- RecruitingHealthy volunteers
fMRI and IVCM Cornea Microscopy of CXL in Keratoconus
Boston Children's Hospital
- Location
- Boston, MA
- Eligibility basics
- Ages 8–35
- RecruitingHealthy volunteers
A Web-Based Dyadic Intervention for Colorectal Cancer
Emory University
- Location
- Atlanta, GA
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
The Gut-Brain Axis During Neurorehabilitation; Prebiotic Treatment to Alter the Gut Microbiome and Neurologic Symptoms
The University of Texas Medical Branch, Galveston
- Location
- Galveston, TX
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Prospective Data Bank Creation to Study Vaginal Conditions
Texas Tech University Health Sciences Center
- Location
- Midland, TX
- Eligibility basics
- Ages 21–75 · Women only
- RecruitingHealthy volunteers
Opioid Use Disorder in Pregnancy in Long-Term Maternal/Infant Outcomes
Senthil Sadhasivam
- Location
- Pittsburgh, PA
- Eligibility basics
- Ages 18+ · Women only
- RecruitingHealthy volunteers
RASopathy Biorepository
Children's Hospital Medical Center, Cincinnati
- Location
- Cincinnati, OH
- Eligibility basics
- Any age listed
- RecruitingHealthy volunteers
Cultural Adaptation of a SSI for Youth Anxiety
University of Miami
- Location
- Miami, FL
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Brain Health in Youth With Normal Weight, Overweight and Obesity at Risk for Type 2 Diabetes (T2D)
Washington University School of Medicine
- Location
- St Louis, MO + 1 other US site
- Eligibility basics
- Ages 12–17
- RecruitingHealthy volunteers
RM1 Project 2 - tAN fMRI
Medical University of South Carolina
- Location
- Charleston, SC
- Eligibility basics
- Ages 18–65
- RecruitingHealthy volunteers
Mitochondrial DNA Signatures of Poor Aerobic Exercise Trainability in Young Adults Born Preterm
Texas Tech University
- Location
- Lubbock, TX
- Eligibility basics
- Ages 18–35
- RecruitingHealthy volunteers
Web-Based Toolkit to Improve Cancer-Related Emotional Distress and Anxiety in Rural Older Cancer Survivors
Northwestern University
- Location
- Chicago, IL
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Behavioral Assessment Method Index
Ohio State University
- Location
- Columbus, OH
- Eligibility basics
- Ages 4 mo–3
- RecruitingHealthy volunteers
Tissue Collection for Drug Screening and Bioanalysis
Weill Medical College of Cornell University
- Location
- New York, NY
- Eligibility basics
- Any age listed
- RecruitingHealthy volunteers
Novel Dental Gel as an Adjunct to Scaling and Root Planing
University of Alabama at Birmingham
- Location
- Birmingham, AL
- Eligibility basics
- Ages 18–85
- RecruitingHealthy volunteers
Effects of Mouthrinse on the Microbiome of the Oral Cavity and GI Tract
University of California, Irvine
- Location
- Irvine, CA
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Mobile Neurofeedback for Low Back Pain
Duke University
- Location
- Durham, NC
- Eligibility basics
- Ages 18–90
- RecruitingHealthy volunteers
A Study of Dual-task Exercise Training to Prevent Falls Among Older Adults With Mild Cognitive Impairment
Oregon Research Institute
- Location
- Springfield, OR
- Eligibility basics
- Ages 65–95
- RecruitingHealthy volunteers
The Role of Macrophage Activation in Lung Injury Following Ozone Exposure
Rutgers, The State University of New Jersey
- Location
- Piscataway, NJ
- Eligibility basics
- Ages 18–40
- RecruitingHealthy volunteers
Developing a Support Application for Food Pantries (SAFPAS) to Improve Client Access to Healthy Foods & Enhance Emergency Preparedness
Johns Hopkins Bloomberg School of Public Health
- Location
- Baltimore, MD
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
High Fructose Diet, the Gut Microbiome, and Metabolic Health
Icahn School of Medicine at Mount Sinai
- Location
- New York, NY
- Eligibility basics
- Ages 25–45
- RecruitingHealthy volunteersPhase 2
A Study of Emapalumab for Pediatric Aplastic Anemia
Memorial Sloan Kettering Cancer Center
- Location
- New York, NY + 4 other US sites
- Eligibility basics
- Ages 0 mo–25
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.