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
Reducing Vertigo Associated With MRI Machines
Johns Hopkins University
- Location
- Baltimore, MD
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Connecting Friends and Health Workers to Boost COVID-19 Vaccination in Latino Communities
Johns Hopkins University
- Location
- Baltimore, MD
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Free Time For Wellness 2+
Columbia University
- Location
- New York, NY + 2 other US sites
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Visual Perception in Schizophrenia
University of Rochester
- Location
- Rochester, NY
- Eligibility basics
- Ages 18–65
- RecruitingHealthy volunteers
The Effect Of Enamel Matrix Derivatives On Gingival Tissue Thickness
The University of Texas Health Science Center at San Antonio
- Location
- San Antonio, TX
- Eligibility basics
- Ages 18–18
- RecruitingHealthy volunteers
Microsurgery and Periodontal Healing
The University of Texas Health Science Center at San Antonio
- Location
- San Antonio, TX
- Eligibility basics
- Ages 18–18
- RecruitingHealthy volunteers
Impact of Nd:YAG Laser Photobiostimulation on Healing of Gingiva
Medical University of South Carolina
- Location
- Charleston, SC
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Language Control Across Modalities
University of California, San Diego
- Location
- San Diego, CA
- Eligibility basics
- Ages 18–65
- RecruitingHealthy volunteers
Evaluating the Status of Complex Aneuploidy to Locate Additional Transferrable Embryos
Shady Grove Fertility Reproductive Science Center
- Location
- Margate, FL + 9 other US sites
- Eligibility basics
- Any age listed
- RecruitingHealthy volunteers
Cannabis Use Registry to Improve Overall Understanding of Symptoms (CURIOUS)
HealthPartners Institute
- Location
- Saint Louis Park, MN
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Ischemic Conditioning During Air tRansport Save penUmbral Tissue
Enrique Leira
- Location
- Iowa City, IA
- Eligibility basics
- Ages 18–80
- RecruitingHealthy volunteers
Dissemination of the Donor Application: Utilizing Social Media to Identify Potential Live Organ Donors
Johns Hopkins University
- Location
- Baltimore, MD
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Home-Based Exercise Tele-Rehabilitation After COVID-19
VA Office of Research and Development
- Location
- Baltimore, MD
- Eligibility basics
- Ages 50–85
- RecruitingHealthy volunteersPhase 4
Comparison of Interscalene Catheter to Single Injection Interscalene Blocks for Total Shoulder Arthroplasties
Melinda Seering
- Location
- Iowa City, IA
- Eligibility basics
- Ages 18–90
- RecruitingHealthy volunteers
Utilizing Advocates and Supporters to Increase Lung Cancer Screening Rates in Eligible Participants
Jonsson Comprehensive Cancer Center
- Location
- Los Angeles, CA
- Eligibility basics
- Ages 40–80
- RecruitingHealthy volunteersPhase 4
A Pilot Clinical Evaluation of Astepro® Nasal Spray for Management of Early SARS-CoV-2 Infection
University of Chicago
- Location
- Chicago, IL
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Physiology of Human Brain Connectivity
Massachusetts General Hospital
- Location
- Boston, MA
- Eligibility basics
- Ages 18–64
- RecruitingHealthy volunteers
Polygenic Risk Stratification Combined With mpMRI to Identify Clinically Relevant Prostate Cancer
Adam S. Kibel, MD
- Location
- Boston, MA + 1 other US site
- Eligibility basics
- Ages 40–69 · Men only
- RecruitingHealthy volunteers
Patient Outcome Reporting for Timely Assessments of Life With Post-Traumatic Stress Disorder
University of Chicago
- Location
- Chicago, IL + 1 other US site
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
The Influence of Sleep on Cardiovascular Outcomes
Oregon Health and Science University
- Location
- Portland, OR
- Eligibility basics
- Ages 18–50
- RecruitingHealthy volunteers
Virtual Reality Interventions for the Improvement of Depression, Anxiety and Pain in Patients With Head and Neck Cancer and Caregivers
City of Hope Medical Center
- Location
- Duarte, CA
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
A Split-Mouth Clinical Trial Evaluating the Bond Failure Rate of a New Etch-Free Orthodontic Adhesive
University of Maryland, Baltimore
- Location
- Baltimore, MD
- Eligibility basics
- Ages 14–35
- RecruitingHealthy volunteers
Lung Disease and Its Affect on the Work of White Blood Cells in the Lungs
University of Florida
- Location
- Gainesville, FL
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Understanding of Genetics by Men at Risk for Prostate Cancer
Mayo Clinic
- Location
- Phoenix, AZ + 2 other US sites
- Eligibility basics
- Ages 40–95 · Men only
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.