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
Whole Genome Sequencing (ChromoSeq) as an Adjunct to Conventional Genomic Profiling in MDS
Washington University School of Medicine
- Location
- St Louis, MO
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
The Impact of Menthol Flavoring on Switching in Adult Menthol Smokers
Nikki Nollen, PhD, MA
- Location
- Kansas City, MO
- Eligibility basics
- Ages 21+
- RecruitingHealthy volunteers
Individual Variations of Taste and Smell Perception in Alcohol Use Disorder (AUD)
National Institute on Alcohol Abuse and Alcoholism (NIAAA)
- Location
- Bethesda, MD
- Eligibility basics
- Ages 18–65
- RecruitingHealthy volunteers
Nutrition for Precision Health, Powered by the All of Us
RTI International
- Location
- Birmingham, AL + 12 other US sites
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteersPhase 3
Switching to E-cigarettes in Smokers Not Interested in Quitting
University of Kansas Medical Center
- Location
- Kansas City, MO + 1 other US site
- Eligibility basics
- Ages 21+
- RecruitingHealthy volunteers
OCT Vibrography for Biomechanical Properties of Tissues
Massachusetts General Hospital
- Location
- Boston, MA
- Eligibility basics
- Ages 18–75
- RecruitingHealthy volunteersPhase 2
EMBRACE: Exercising Together
OHSU Knight Cancer Institute
- Location
- Portland, OR
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Gut Oxalate Absorption in Calcium Oxalate Stone Disease
University of Alabama at Birmingham
- Location
- Birmingham, AL + 1 other US site
- Eligibility basics
- Ages 18–80
- RecruitingHealthy volunteers
Rigorous Evaluation of the READY to Stand Curriculum to Prevent the Commercial Sexual Exploitation of Children
University of Michigan
- Location
- Des Moines, IA
- Eligibility basics
- Ages 13–19
- RecruitingHealthy volunteersPhase 4
Anterior Femoral and Adductor Canal Nerve Blocks in Peds Knees
Hospital for Special Surgery, New York
- Location
- New York, NY
- Eligibility basics
- Ages 8–18
- RecruitingHealthy volunteersPhase 2
Intravesical Bupivacaine on Post-Operative Ureteroscopy Pain
University of Chicago
- Location
- Chicago, IL
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Developing and Testing a Trauma-Informed Exercise Intervention for Women Veterans With Histories of Sexual Violence
VA Office of Research and Development
- Location
- Boston, MA + 1 other US site
- Eligibility basics
- Ages 21–65 · Women only
- RecruitingHealthy volunteers
Research on Equity in Abortion Care by TeleHealth
University of California, San Francisco
- Location
- Oakland, CA
- Eligibility basics
- Ages 14–64
- RecruitingHealthy volunteers
Couples' Affect in Relationships Study
University of Wisconsin, Madison
- Location
- Madison, WI
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Vapocoolant Spray to Reduce Pain With Nexplanon Insertion
Queen's Medical Center
- Location
- Honolulu, HI + 1 other US site
- Eligibility basics
- Ages 14+ · Women only
- RecruitingHealthy volunteersPhase 4
Central Apnea in Heart Failure: Physiological Mechanisms to Inform Treatment
VA Office of Research and Development
- Location
- Detroit, MI
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
K08 VR Fear Conditioning
University of California, Los Angeles
- Location
- Los Angeles, CA
- Eligibility basics
- Ages 18–70
- RecruitingHealthy volunteersPhase 3
Exploring Sympathetic Nervous System Function in Individuals With Down Syndrome
University of Colorado, Denver
- Location
- Aurora, CO
- Eligibility basics
- Ages 18–50
- RecruitingHealthy volunteers
CommunityRx-Dementia + Peer Navigation (CRxDpeer)
University of Chicago
- Location
- Chicago, IL
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Making Meals With Pulses
USDA Grand Forks Human Nutrition Research Center
- Location
- Grand Forks, ND
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Surgical Recovery Support Pillow for Spine Surgeries
Montefiore Medical Center
- Location
- The Bronx, NY
- Eligibility basics
- Ages 19+
- RecruitingHealthy volunteers
Radon on the RADAR (Residents Acting to Detect and Alleviate Radon) 2.0
Stacy Stanifer
- Location
- Lexington, KY
- Eligibility basics
- Ages 21–100
- RecruitingHealthy volunteersPhase 3
Suzetrigine in TKA
Hospital for Special Surgery, New York
- Location
- New York, NY
- Eligibility basics
- Ages 18–80
- RecruitingHealthy volunteers
Healing Hearts: A Mindfulness App for Parents Navigating Divorce or Separation
University of Connecticut
- Location
- Stamford, CT
- Eligibility basics
- Ages 18+
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.