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
Personalized Risk Estimation for Crohn's Disease (PRE-Crohn's): Implementation and Feasibility
Massachusetts General Hospital
- Location
- Boston, MA
- Eligibility basics
- Ages 14+
- RecruitingHealthy volunteers
Healthy Homes Study
Dartmouth-Hitchcock Medical Center
- Location
- Lebanon, NH
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
A Study Collecting Health Information to Understand and Prevent Gastric Cancer
Memorial Sloan Kettering Cancer Center
- Location
- Basking Ridge, NJ + 6 other US sites
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Effects of Mango or Low-Fat Cookie Consumption on Gut Health, and Its Relationship With Mental, Sexual and Skin Health
San Diego State University
- Location
- San Diego, CA
- Eligibility basics
- Ages 18–50
- RecruitingHealthy volunteers
Role of Transposable Elements in Septic Immune Aging
University of California, San Francisco
- Location
- San Francisco, CA
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Amish/Mennonite Research Contact Registry
University of Pittsburgh
- Location
- Pittsburgh, PA
- Eligibility basics
- Any age listed
- RecruitingHealthy volunteers
Reducing Metabolic Dysregulation in Dyads
University of South Carolina
- Location
- Columbia, SC
- Eligibility basics
- Ages 9–55
- RecruitingHealthy volunteers
Project humAn dieTary daTa rEtuRN
Duke University
- Location
- Durham, NC
- Eligibility basics
- Up to age 1
- RecruitingHealthy volunteers
Assessing and Addressing Community Exposures to Environmental Contaminants
NYU Langone Health
- Location
- New York, NY
- Eligibility basics
- Ages 18–80
- RecruitingHealthy volunteers
The Utilization of Ultrasound to Diagnose Pediatric Elbow Fractures
Nemours Children's Clinic
- Location
- Orlando, FL
- Eligibility basics
- Up to age 18
- RecruitingHealthy volunteers
Effects of Acute Sugar Intake on Choroidal Thickness
Southern College of Optometry
- Location
- Memphis, TN
- Eligibility basics
- Ages 21–35
- RecruitingHealthy volunteers
Defense and Veterans Center for Integrative Pain Management (DVCIPM) Pain Registry Biobank
Defense and Veterans Center for Integrative Pain Management
- Location
- San Diego, CA + 1 other US site
- Eligibility basics
- Ages 18–80
- RecruitingHealthy volunteers
Investigating the Link Between Type 2 Immunity and NAFLD in Human Obesity
Mayo Clinic
- Location
- Scottsdale, AZ
- Eligibility basics
- Ages 30–70
- RecruitingHealthy volunteers
Pilot Trial of Fetoscopic Endoluminal Tracheal Occlusion (FETO) in Severe Left Congenital Diaphragmatic Hernia (CDH)
Hanmin Lee
- Location
- San Francisco, CA
- Eligibility basics
- Ages 18+ · Women only
- RecruitingHealthy volunteers
An Investigation of Kidney and Urothelial Tumor Metabolism in Patients Undergoing Surgical Resection and/or Biopsy
University of Texas Southwestern Medical Center
- Location
- Dallas, TX
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Behavioral Weight Loss Intervention Utilizing Mobile Health Technology in Hematopoietic Stem Cell Transplant Patients
University of California, Los Angeles
- Location
- Los Angeles, CA
- Eligibility basics
- Ages 13–30
- RecruitingHealthy volunteers
Efficacy of Repeated Low-level Red-light Therapy in Myopia Control
University of California, San Francisco
- Location
- San Francisco, CA
- Eligibility basics
- Ages 8–13
- RecruitingHealthy volunteers
Promoting Equitable Access to Language Services in Health and Human Services
NYU Langone Health
- Location
- New York, NY + 2 other US sites
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Metabolic Endpoints for Obstructive Sleep Apnea Following Twelfth Cranial Nerve Stimulation
University of Chicago
- Location
- Chicago, IL
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Parent Encouragement And Coaching of Happiness in Youth
University of Pittsburgh
- Location
- Pittsburgh, PA
- Eligibility basics
- Ages 4–99
- RecruitingHealthy volunteers
Effects of Sabroxy® Supplementation on Insulin Resistance and Cognitive Function in Adults With Mild Cognitive Impairment and Insulin Resistance
SF Research Institute, Inc.
- Location
- San Francisco, CA
- Eligibility basics
- Ages 40–80
- RecruitingHealthy volunteers
Activity Tracking, Care Partner Co-participation, Text Reminders, Instructional Education, Video-Guided Physical Rehabilitation, and Exercise
NYU Langone Health
- Location
- New York, NY
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Phosphate Assessment in Chronic Kidney Disease Patients Study
University of Texas Southwestern Medical Center
- Location
- Dallas, TX
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Facilitating Diagnostics and Prognostics of Parkinsonian Syndromes Using Neuroimaging
University of Texas Southwestern Medical Center
- Location
- Dallas, TX
- Eligibility basics
- Any age listed
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.