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 volunteersPhase 4
Vaccine Immunity and Inflammation in the Aging Person Living With HIV
Hennepin Healthcare Research Institute
- Location
- Minneapolis, MN
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Reactions to Distress (RED) In Louisville, KY Study
University of Louisville
- Location
- Louisville, KY
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Effectiveness of Plaque Score Detection Techniques
University of Nebraska
- Location
- Lincoln, NE
- Eligibility basics
- Ages 19–85
- RecruitingHealthy volunteers
Get Social Media and Risk-Reduction Training
University of Virginia
- Location
- Boston, MA
- Eligibility basics
- Any age listed · Women only
- RecruitingHealthy volunteers
New Strategies to Enhance Smoking Cessation
University of Chicago
- Location
- Chicago, IL
- Eligibility basics
- Ages 18–75
- RecruitingHealthy volunteersPhase 2
Supplementing L-citrulline to Overweight Late Asthma oNset Phenotypes
University of Colorado, Denver
- Location
- Durham, NC
- Eligibility basics
- Ages 18–65
- RecruitingHealthy volunteers
Prepping for The Talk: Helping Trusted Adults and Youth Talk About Sexual Health
Rhode Island Hospital
- Location
- Providence, RI
- Eligibility basics
- Ages 14–17 · Men only
- RecruitingHealthy volunteers
INTEGRATED CHILDHOOD ACTIVITY AND NUTRITION (ICAN) STUDY
University of Illinois at Urbana-Champaign
- Location
- Bloomington, IL
- Eligibility basics
- Ages 6–11
- RecruitingHealthy volunteers
Va Meh Du: A Sports-based Mental Health Promotion Intervention for Karenni Refugees
University of North Carolina, Greensboro
- Location
- Winston-Salem, NC
- Eligibility basics
- Ages 8+ · Men only
- RecruitingHealthy volunteers
Demonstrating the Efficacy of a Spanish-Language Program for Latino Dementia Caregivers
University of Southern California
- Location
- Los Angeles, CA
- Eligibility basics
- Ages 18–100
- RecruitingHealthy volunteers
Building Research for Intervention Development in Gliosis and Eating Habits
University of Washington
- Location
- Seattle, WA
- Eligibility basics
- Ages 9+
- RecruitingHealthy volunteers
Heterogeneity of Vascular Adaptations to Exercise With Aging in Women and Men
University of Colorado, Denver
- Location
- Aurora, CO
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Surgical Operating Room Enhancement Curriculum for Medical Students
Wayne State University
- Location
- Detroit, MI
- Eligibility basics
- Any age listed
- RecruitingHealthy volunteersPhase 4
Oxytocin and Fetal Heart Rate Changes
Unyime Ituk
- Location
- Iowa City, IA
- Eligibility basics
- Ages 18–55 · Women only
- RecruitingHealthy volunteers
TENS Unit for Analgesia During IUD Insertion
Tufts Medical Center
- Location
- Boston, MA
- Eligibility basics
- Ages 12–50 · Women only
- RecruitingHealthy volunteersPhase 2
Ultralow Dose PET Imaging for PSMA Expression
Akiva Mintz
- Location
- Englewood, NJ
- Eligibility basics
- Ages 18–120
- RecruitingHealthy volunteersPhase 2
Ultralow Dose PET Imaging of 18F-FDG Uptake
Akiva Mintz
- Location
- Englewood, NJ
- Eligibility basics
- Ages 18–120
- RecruitingHealthy volunteers
Promoting Physical Activity and Healthy Eating in Latinas
Brown University
- Location
- Providence, RI
- Eligibility basics
- Ages 18+ · Women only
- RecruitingHealthy volunteersPhase 4
Ostomy Primary Closure With 0.1% Betaine/Polyhexanide Wound Irrigation Compared to Pursestring Closure
University of Nevada, Las Vegas
- Location
- Las Vegas, NV
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Maximizing Nutrition Education to Meet Dietary and Food Security of Children and Parents
Purdue University
- Location
- West Lafayette, IN
- Eligibility basics
- Ages 5+
- RecruitingHealthy volunteers
Diet-Induced Changes in GEnetic Material
Pennington Biomedical Research Center
- Location
- Baton Rouge, LA
- Eligibility basics
- Ages 20–35 · Men only
- RecruitingHealthy volunteers
Study Roles of Heavy Metals and Essential Metal Dyshomeostasis in Pulmonary Arterial Hypertension Patients
Jiapeng Huang
- Location
- Louisville, KY
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteersPhase 2
Valacyclovir in Pain Management of Acute Apical Abscesses
University of California, San Francisco
- Location
- San Francisco, CA
- Eligibility basics
- Ages 18–80
- RecruitingHealthy volunteersPhase 4
Preop Laxatives in Robotic Urologic Surgery
Chad R. Tracy
- Location
- Iowa City, IA
- Eligibility basics
- Ages 30–100
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.