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.
4,991 recruiting studiesSource: ClinicalTrials.gov, refreshed October 28, 2026How we list studies
More recruiting studies (pay not posted)
- RecruitingHealthy volunteers
SPL Insufficiency Syndrome (SPLIS)/NPHS14: a SPLIS Observational Study and Patient Registry (International)
University of California, San Francisco
- Location
- San Francisco, CA
- Eligibility basics
- Any age listed
- RecruitingHealthy volunteersPhase 3
Supraclavicular Bupivacaine Vs. Supraclavicular Liposomal Bupivacaine for Orthopedic Wrist Surgery
University of North Carolina, Chapel Hill
- Location
- Chapel Hill, NC
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
The Effects of Energy Healing in Fibromyalgia
University of California, Irvine
- Location
- Irvine, CA
- Eligibility basics
- Ages 18–75 · Women only
- RecruitingHealthy volunteers
FIT Exercise in 30d of ULLS-induced Muscle Disuse
Lance Bollinger
- Location
- Lexington, KY
- Eligibility basics
- Ages 35–45
- RecruitingHealthy volunteers
Support Via Technology: Living and Learning With Advancing Dementia-REVISED
Oregon Health and Science University
- Location
- Portland, OR
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Mechanisms of Improving Fecal Continence Muscles Motor Function
Medical College of Wisconsin
- Location
- Milwaukee, WI
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteersPhase 4
Calcium Carbonate to Augment Labor Contractions
Weill Medical College of Cornell University
- Location
- New York, NY
- Eligibility basics
- Ages 18+ · Women only
- RecruitingHealthy volunteersPhase 4
Aging, Beta Blockers, and Thermoregulatory Responses
University of Texas Southwestern Medical Center
- Location
- Dallas, TX
- Eligibility basics
- Ages 65+
- RecruitingHealthy volunteers
Word Learning From Parentese in Autistic Children
The University of Texas at Dallas
- Location
- Richardson, TX
- Eligibility basics
- Ages 1–4
- RecruitingHealthy volunteers
Stress Dynamics and Familial Risk for Depression in Female Adolescents
Mclean Hospital
- Location
- Belmont, MA
- Eligibility basics
- Ages 13–15 · Women only
- RecruitingHealthy volunteers
Precision Analytic Research Methods in OCD
Icahn School of Medicine at Mount Sinai
- Location
- New York, NY
- Eligibility basics
- Ages 18–55
- RecruitingHealthy volunteers
Foundational Programs to Combat Clinician Stress
Lancaster General Hospital
- Location
- Boston, MA + 5 other US sites
- Eligibility basics
- Ages 25–70
- RecruitingHealthy volunteers
Pilot Study for TCE Imaging of the Esophagus Using an OFDI Capsule With a Compact Imaging System
Massachusetts General Hospital
- Location
- Boston, MA
- Eligibility basics
- Ages 14–85
- RecruitingHealthy volunteers
Maternal Abdominal Morphology Assessment
University of Texas at Austin
- Location
- Austin, TX
- Eligibility basics
- Ages 18–54 · Women only
- RecruitingHealthy volunteers
Testing "Doula Link", a Multi-Component Intervention to Improve Perinatal Mental Health
Beth Israel Deaconess Medical Center
- Location
- Boston, MA
- Eligibility basics
- Any age listed
- RecruitingHealthy volunteers
Defecation Patterns in Constipated Patients
The California Medical Innovations Institute, Inc.
- Location
- Augusta, GA
- Eligibility basics
- Ages 21–75
- RecruitingHealthy volunteers
Trial to Evaluate Fecobionics in Fecal Incontinence (FI) (NORMAL and ABNORMAL-FI)
The California Medical Innovations Institute, Inc.
- Location
- Augusta, GA
- Eligibility basics
- Ages 18–75
- RecruitingHealthy volunteers
Beyond Monoamines: The Role of the Nociceptin/Orphanin FQ Receptor in Major Depression
Mclean Hospital
- Location
- Belmont, MA
- Eligibility basics
- Ages 18–45
- RecruitingHealthy volunteers
An Evaluation of an Online Sexual Assault Resistance Program (IDEA3)
University of Maryland, College Park
- Location
- Orlando, FL + 2 other US sites
- Eligibility basics
- Ages 17–24
- RecruitingHealthy volunteers
The Genetics and Functional Basis of Inherited Platelet, White Blood Cell, Red Blood Cell, and Blood Clotting Disorders.
Rockefeller University
- Location
- New York, NY
- Eligibility basics
- Any age listed
- RecruitingHealthy volunteers
Combined Electric and Acoustic Hearing (EAS) in Children and Adults
Hearts for Hearing
- Location
- Edmond, OK + 2 other US sites
- Eligibility basics
- Ages 5+
- RecruitingHealthy volunteers
Universal Basic Income and Structural Racism in the US South: HIV Care
University of Arkansas
- Location
- Little Rock, AR
- Eligibility basics
- Ages 25+ · Men only
- RecruitingHealthy volunteers
Get Better Together: Relationship Education For Military Couples
Henry M. Jackson Foundation for the Advancement of Military Medicine
- Location
- Bethesda, MD
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Impact of Increased Body Mass Index on Adolescent Fixed Orthodontic Treatment. A Prospective Longitudinal Study
University of Rochester
- Location
- Rochester, NY
- Eligibility basics
- Ages 12–18
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.