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
Parent-Child EF Intervention
Koronis Biomedical Technologies
- Location
- Minneapolis, MN
- Eligibility basics
- Ages 2–5
- RecruitingHealthy volunteers
Prospective Study on Power Prenatal Vitamins for Males on YO Score At-home Sperm Test Results
The Bird and Be Co Inc
- Location
- Encino, CA
- Eligibility basics
- Ages 18–50 · Men only
- RecruitingHealthy volunteers
Project Mountain - Comparing SpO2 and SaO2 for Accuracy
Philips Clinical & Medical Affairs Global
- Location
- Phoenix, AZ + 4 other US sites
- Eligibility basics
- Any age listed
- RecruitingHealthy volunteers
Collection of Sputum and Labeling for Lung Cancer
bioAffinity Technologies Inc.
- Location
- Summit, NJ + 2 other US sites
- Eligibility basics
- Ages 21+
- RecruitingHealthy volunteers
CLAiR Pivotal Study
Toku Eyes Ltd
- Location
- Canton, OH
- Eligibility basics
- Ages 40–75
- RecruitingHealthy volunteers
A Prospective Observational Study to Assess the Reliability and Validity of the MLSDT
Nanoscope Therapeutics Inc.
- Location
- Dallas, TX
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Prospective Study of oncRNA Stratification of Cancer by Size and Stage
Exai Bio Inc.
- Location
- Palo Alto, CA + 1 other US site
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
In Vivo Liquid Biopsy of Melanoma (Cytophone)
Cytoastra
- Location
- Madison, WI
- Eligibility basics
- Ages 18–80
- RecruitingHealthy volunteers
Brain Training for Substance Use Disorders
Neurotype Inc.
- Location
- Minneapolis, MN
- Eligibility basics
- Ages 18–65
- RecruitingHealthy volunteers
Validation and Scaling of Screening Program for Undiagnosed Myasthenia Gravis-Social Media Campaign Paired With a Self-moderated Assessment
ZS Associates
- Location
- Evanston, IL
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Therapeutic Effects of Electrical Vestibular Stimulation (EVS) on Balance and Gait
Neursantys Inc
- Location
- Cupertino, CA + 1 other US site
- Eligibility basics
- Ages 18–100
- RecruitingHealthy volunteers
The Effect of Vicia Faba Hydrolysate Supplementation on Muscle Strength Recovery
PepsiCo Global R&D
- Location
- Bradenton, FL
- Eligibility basics
- Ages 18–45
- RecruitingHealthy volunteers
Home Sleep Therapy for Older Adults With MCI
Brain Electrophysiology Laboratory Company
- Location
- Eugene, OR
- Eligibility basics
- Ages 40–85
- RecruitingHealthy volunteers
Detecting Change in Muscle Parameters, Pain, and Function With NMES for TTA
Sara Peterson-Snyder
- Location
- Pittsburgh, PA
- Eligibility basics
- Ages 18–100
- RecruitingHealthy volunteers
Bone Mineral Density Agreement Study Between EOSedge™ Versus Traditional DXA
Alphatec Spine, Inc.
- Location
- Phoenix, AZ + 1 other US site
- Eligibility basics
- Ages 20+
- RecruitingHealthy volunteers
APrevent-VOIS-Implant-002 - a Two-Part, Open-Label, Non-Randomized Multicenter Study
APrevent Biotech GmbH
- Location
- Phoenix, AZ + 2 other US sites
- Eligibility basics
- Ages 18–80
- RecruitingHealthy volunteers
Detection of Oral and Throat Cancers Using OralViome Cancer Testing System
Viome
- Location
- New York, NY
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Prospective Collection of Samples to Enable the Development of Natera Screening Assay for Early Cancer Detection
Natera, Inc.
- Location
- Austin, TX
- Eligibility basics
- Ages 40+
- RecruitingHealthy volunteers
Kesimpta (Ofatumumab) Pregnancy Registry
Novartis Pharmaceuticals
- Location
- La Jolla, CA
- Eligibility basics
- Ages 18–100
- RecruitingHealthy volunteersPhase 3
Safety and Efficacy of Brilaroxazine (RP5063) in Schizophrenia
Reviva Pharmaceuticals
- Location
- Phoenix, AZ + 16 other US sites
- Eligibility basics
- Ages 18–65
- RecruitingHealthy volunteers
Urine Metabolites in the Diagnosis of Disease
Luventix, Inc.
- Location
- Encinitas, CA + 3 other US sites
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Comprehensive Outcomes for After Cancer Health
Pack Health
- Location
- Boston, MA + 1 other US site
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
A Comparative Study to Evaluate a Novel Algorithm As a Diagnostic Aid for ADHD in Youth Ages 6-17.
MindTension
- Location
- New York, NY
- Eligibility basics
- Ages 6–17
- RecruitingHealthy volunteers
A Multi-Site Leukopak Repository Providing Annotated Biospecimens for Approved Investigator-Directed Biomedical Research Initiatives
Sanguine Biosciences
- Location
- Waltham, MA
- Eligibility basics
- Ages 18–89
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.