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
OSA-18 in Children With Mild Obstructive Sleep Apnea: Can it be a Helpful Decision Making Tool?
Connecticut Children's Medical Center
- Location
- Hartford, CT
- Eligibility basics
- Ages 3–12
- RecruitingHealthy volunteers
The INSPIRE -Faith Study: Intervention Strategies for Preserving Intellectual Resilience and Engagement
Healthy Minds Initiative
- Location
- Los Angeles, CA
- Eligibility basics
- Ages 55–85
- RecruitingHealthy volunteers
Deciphering Preserved Autonomic Function After Multiple Sclerosis
Mayo Clinic
- Location
- Rochester, MN
- Eligibility basics
- Ages 18–50
- RecruitingHealthy volunteers
Acute and Chronic Repercussion of Spinal Cord Stimulation After Spinal Cord Injury
Mayo Clinic
- Location
- Rochester, MN
- Eligibility basics
- Ages 18–50
- RecruitingHealthy volunteers
Recovery of Physical Function After Critical Illness In Older Adults
University of Kentucky
- Location
- Lexington, KY
- Eligibility basics
- Ages 18–99
- RecruitingHealthy volunteers
Acute Pharmacokinetics of Create Wellness Gummies in Healthy Adults
University of Oklahoma
- Location
- Norman, OK
- Eligibility basics
- Ages 18–45
- RecruitingHealthy volunteers
Role of Body Composition in Large for Gestational Age Infants (LGA) With Oral Feeding Difficulty
Nemours Children's Clinic
- Location
- Orlando, FL + 1 other US site
- Eligibility basics
- Ages 0 mo–2 mo
- RecruitingHealthy volunteers
Optimizing a Mobile Health Platform for Sleep Promotion and Obesity Prevention in Children
Children's Hospital of Philadelphia
- Location
- Philadelphia, PA
- Eligibility basics
- Ages 8–12
- RecruitingHealthy volunteers
Effects of Collagen Peptide Supplementation on Connective Tissue Remodeling, Functional Outcomes, and Wound Healing After Total Knee Arthroplasty (TKA)
University of Arkansas
- Location
- Little Rock, AR
- Eligibility basics
- Ages 50–75
- RecruitingHealthy volunteers
Systems Science Approaches to Improve Access to Healthier Foods: The FRESH Trial
Johns Hopkins Bloomberg School of Public Health
- Location
- Baltimore, MD
- Eligibility basics
- Ages 18–75
- RecruitingHealthy volunteersPhase 2
The Effects of Cannabigerol on Attention-Deficit/Hyperactivity Disorder
University of Arkansas, Fayetteville
- Location
- Fayetteville, AR
- Eligibility basics
- Ages 18–55
- RecruitingHealthy volunteers
Intestinal Immunity in Neurologic Disease
Yale University
- Location
- North Haven, CT
- Eligibility basics
- Ages 18–99
- RecruitingHealthy volunteers
Natural History Study to Determine Drug Metabolism Phenotype and Appropriate Germline Source DNA in Patients Undergoing Allogeneic Hematopoietic Stem Cell Transplant
National Cancer Institute (NCI)
- Location
- Bethesda, MD
- Eligibility basics
- Ages 18–120
- RecruitingHealthy volunteers
Caring for the Carer
University of North Carolina, Chapel Hill
- Location
- Chapel Hill, NC
- Eligibility basics
- Ages 18–99
- RecruitingHealthy volunteers
Sleep and Performance
University of Washington
- Location
- Seattle, WA
- Eligibility basics
- Ages 18–30
- RecruitingHealthy volunteers
Formulating Expert Consensus Guidelines in Cancer Care Using the Delphi Method
M.D. Anderson Cancer Center
- Location
- Houston, TX
- Eligibility basics
- Ages 21+
- RecruitingHealthy volunteers
Virtual Reality Visual Field Testing as an Alternative in Childhood Eye Disease
Duke University
- Location
- Durham, NC
- Eligibility basics
- Ages 4–21
- RecruitingHealthy volunteers
Neuroimaging Reveals Treatment-related Changes in DLD
University of Cincinnati
- Location
- Cincinnati, OH + 3 other US sites
- Eligibility basics
- Ages 4–5
- RecruitingHealthy volunteers
Omega-3 Fatty Acids as Regulators of Brown Adipose Tissue During Cold Exposure
Indiana University
- Location
- Bloomington, IN
- Eligibility basics
- Ages 18–40
- RecruitingHealthy volunteers
Nasal Obstruction and Olfactory Losses
Ohio State University
- Location
- Columbus, OH
- Eligibility basics
- Ages 18–70
- RecruitingHealthy volunteers
A Study of Meaning-Centered Psychotherapy for Caregivers to People With Cancer
Icahn School of Medicine at Mount Sinai
- Location
- Miami, FL + 7 other US sites
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Neuromodulation-assisted Ego-disengagement: The NEURO-EGO Study Stage 1
University of Wisconsin, Madison
- Location
- Madison, WI
- Eligibility basics
- Ages 18–80
- RecruitingHealthy volunteers
Evaluating an Evidence-Based Family History Screening Program Adapted to Increase Reach and Uptake of Screening for BRCA-Associated Cancers in Rural Public Health Clinics
Emory University
- Location
- Atlanta, GA
- Eligibility basics
- Ages 25+ · Women only
- RecruitingHealthy volunteers
CanScan; Community-based Registry to Assess, Address and advaNce SCreening for cANcer Prevention and Management
Hackensack Meridian Health
- Location
- Totowa, NJ
- 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.