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
Baseline ACL Injury Risk Screening and Normative Data
Sanford Health
- Location
- Fargo, ND
- Eligibility basics
- Ages 10–65
- RecruitingHealthy volunteers
Leg Heating in Pregnant Women With Obesity
University of Texas Southwestern Medical Center
- Location
- Dallas, TX
- Eligibility basics
- Ages 18–45 · Women only
- RecruitingHealthy volunteers
Decoding Emotional Dynamics in Bipolar Disorder
Laureate Institute for Brain Research, Inc.
- Location
- Tulsa, OK
- Eligibility basics
- Ages 18–65
- RecruitingHealthy volunteers
Assessing the Effects of Corn and Avocado Oils on the Cardiometabolic Risk Factor Profile
Midwest Center for Metabolic and Cardiovascular Research
- Location
- Addison, IL
- Eligibility basics
- Ages 18–74
- RecruitingHealthy volunteers
RTMS Targets Neural Circuits for Smoking Cessation
Medical University of South Carolina
- Location
- Charleston, SC
- Eligibility basics
- Ages 22–70
- RecruitingHealthy volunteers
Suicide Prevention for Substance Using Youth Experiencing Homelessness
Ohio State University
- Location
- Columbus, OH
- Eligibility basics
- Ages 15–24
- RecruitingHealthy volunteers
SUV PDL1/PD1 in Sun Damaged & Sun Protected Human Skin of Participants
University of Arizona
- Location
- Tucson, AZ
- Eligibility basics
- Ages 40+
- RecruitingHealthy volunteers
Menthol, Inflammation, and Nicotine Transition Study
Rosalind Franklin University of Medicine and Science
- Location
- North Chicago, IL
- Eligibility basics
- Ages 21–85
- RecruitingHealthy volunteersPhase 2
Pharmacogenomics for Better Treatment of Fungal Infections Clinical Trial
The University of Queensland
- Location
- Seattle, WA
- Eligibility basics
- Ages 2+
- RecruitingHealthy volunteers
The Development of Stuttering in Young Children
Michigan State University
- Location
- East Lansing, MI
- Eligibility basics
- Ages 3–6
- RecruitingHealthy volunteers
Clinical Trial to Reduce Perinatal Intimate Partner Violence
University of Pittsburgh
- Location
- Pittsburgh, PA + 1 other US site
- Eligibility basics
- Ages 18+ · Women only
- RecruitingHealthy volunteers
Impacts of Sugar Warnings on Weight Bias
University of North Carolina, Chapel Hill
- Location
- Chapel Hill, NC
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteersPhase 2
Sleep Health in U.S. Marines
San Diego State University
- Location
- San Diego, CA
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Genetic Investigations in Spontaneous Coronary Artery Dissection (SCAD)
Mayo Clinic
- Location
- Rochester, MN
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Biomarkers in Infection
Beth Israel Deaconess Medical Center
- Location
- Boston, MA
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Insomnia Treatment and Cardiometabolic Health in Older Adults With Posttraumatic Stress Disorder
University of California, Los Angeles
- Location
- North Hills, CA
- Eligibility basics
- Ages 50+
- RecruitingHealthy volunteers
Approach-Avoidance and Alcohol Challenge Study in PTSD
University of Texas at Austin
- Location
- Austin, TX
- Eligibility basics
- Ages 21–60
- RecruitingHealthy volunteers
Father-Focused Intervention for Reducing Family Violence and Symptoms in Children
Yale University
- Location
- New Haven, CT + 1 other US site
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Use of Ketosis in Modulating Metabolic Pathways in Bipolar Disorder
Stony Brook University
- Location
- Belmont, MA + 1 other US site
- Eligibility basics
- Ages 18–45
- RecruitingHealthy volunteers
Development, Attention, and Inhibition Study
University of California, Davis
- Location
- Davis, CA
- Eligibility basics
- Ages 4–7
- RecruitingHealthy volunteers
H5N1 Milk Detection Study
Emory University
- Location
- Atlanta, GA
- Eligibility basics
- Ages 18–64
- RecruitingHealthy volunteers
NSS Grocery Store Brazil
George Washington University
- Location
- Washington D.C., DC
- Eligibility basics
- Ages 20+
- RecruitingHealthy volunteers
Intermountain INSPIRE Registry
Intermountain Health Care, Inc.
- Location
- Murray, UT
- Eligibility basics
- Any age listed
- RecruitingHealthy volunteers
The Effect of Sleep Loss on Emotion Regulation
Beth Israel Deaconess Medical Center
- Location
- Boston, MA
- Eligibility basics
- Ages 18–40
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.