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 volunteersPhase 1
A Study to Investigate the Safety, Tolerability, and Pharmacokinetics of ONO-6414 Administered Orally in Healthy Adult Participants and Patients With Active Ulcerative Colitis
Ono Pharmaceutical Co., Ltd.
- Location
- Miami, FL
- Eligibility basics
- Ages 18–55
- RecruitingHealthy volunteersPhase 1
A Trial to Assess TEV-56286 at Different Doses in Healthy Participants
Teva Branded Pharmaceutical Products R&D LLC
- Location
- Miramar, FL
- Eligibility basics
- Ages 18–60
- RecruitingHealthy volunteersPhase 1
Comparative PK Assessment Study of Casdatifan in Moderate Hepatically Impaired Participants Versus Matched Participants With Normal Hepatic Function
Arcus Biosciences, Inc.
- Location
- San Antonio, TX
- Eligibility basics
- Ages 18–84
- RecruitingHealthy volunteersPhase 1
A First-in-human Research Study on How NNC0721-8060 Works in People Living With Overweight or Obesity
Novo Nordisk A/S
- Location
- Lenexa, KS
- Eligibility basics
- Ages 18–55
- RecruitingHealthy volunteersPhase 1
A Phase 1 Study of BLKR201 in Healthy Adult Participants
Formation Bio, Inc.
- Location
- Lincoln, NE
- Eligibility basics
- Ages 18–55
- RecruitingHealthy volunteersPhase 1
A Clinical Trial Investigating the Safety and Biological Activity of the Antibody BNT351 in Adults Living Without and With HIV
BioNTech SE
- Location
- Chicago, IL + 3 other US sites
- Eligibility basics
- Ages 18–65
- RecruitingHealthy volunteersEarly Phase 1
A Study of the Pharmacokinetics, Biodistribution and Dosimetry of Granzyme-B Targeted [Cu-64]-Labeled PET Radiotracers in Adult Healthy Volunteers
Ratio Therapeutics, Inc.
- Location
- New Haven, CT
- Eligibility basics
- Ages 18–60
- RecruitingHealthy volunteersPhase 1
A Study of the Safety, Tolerability, Pharmacokinetics, and Immunogenicity of BCX17725
BioCryst Pharmaceuticals
- Location
- Palo Alto, CA + 4 other US sites
- Eligibility basics
- Ages 12–65
- RecruitingHealthy volunteersPhase 1
A Study to Assess Zilucoplan Concentration in Breast Milk of Healthy Lactating Women
UCB Biopharma SRL
- Location
- San Antonio, TX + 1 other US site
- Eligibility basics
- Ages 18+ · Women only
- RecruitingHealthy volunteersEarly Phase 1
Radiocaine Safety Study
Lutroo Imaging LLC
- Location
- Stanford, CA
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteersPhase 1/Phase 2
Study of GS-4321 in Healthy Participants and Participants With Chronic Hepatitis Delta Virus
Gilead Sciences
- Location
- Anaheim, CA + 4 other US sites
- Eligibility basics
- Ages 18–69
- RecruitingHealthy volunteersPhase 1/Phase 2
Phase 1/2 Study of OPK-88006 in Healthy and Presumed MASH Participants
OPKO Health, Inc.
- Location
- Miami, FL
- Eligibility basics
- Ages 18–75
- RecruitingHealthy volunteersPhase 1
A Phase 1 Trial of AMG 691 in Healthy Chinese and Japanese Volunteers
Amgen
- Location
- Las Vegas, NV
- Eligibility basics
- Ages 18–60
- RecruitingHealthy volunteersPhase 1
A Study to Learn How the Study Medicine Called Atirmociclib is Handled by the Body in People With Normal Liver Function and Different Levels of Liver Disease
Pfizer
- Location
- Miami Lakes, FL + 2 other US sites
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteersPhase 1
A Single-Dose Study of MT-201 and Concomitant Infliximab in Healthy Participants
Mirador Therapeutics, Inc.
- Location
- San Diego, CA
- Eligibility basics
- Ages 19–55
- RecruitingHealthy volunteersPhase 1
A Study of LY4178256 in Healthy Participants
Eli Lilly and Company
- Location
- Salt Lake City, UT
- Eligibility basics
- Ages 18–65
- RecruitingHealthy volunteersPhase 1
Safety, Tolerability, Pharmacokinetics and Pharmacodynamics of OJR520 in Healthy Volunteers and Participants With Chronic Kidney Disease
Novartis Pharmaceuticals
- Location
- Miami, FL
- Eligibility basics
- Ages 18–65
- RecruitingHealthy volunteersPhase 1/Phase 2
A Study to Evaluate BMS-986470 in Healthy Volunteers and Participants With Sickle Cell Disease
Bristol-Myers Squibb
- Location
- Birmingham, AL + 8 other US sites
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteersPhase 1
A Research Study on How UBT251 Affects Levels of Midazolam, Caffeine and Warfarin in the Blood of Participants With Excess Body Weight
Novo Nordisk A/S
- Location
- Cypress, CA
- Eligibility basics
- Ages 18–65
- RecruitingHealthy volunteersPhase 1
A Study to Investigate Safety, Tolerability, Pharmacokinetics, and Pharmacodynamics of AZD4248 in Healthy Participants and Participants With Chronic Kidney Disease and Type 2 Diabetes and to Assess Home Measurements of…
AstraZeneca
- Location
- Glendale, CA + 3 other US sites
- Eligibility basics
- Ages 18–75
- RecruitingHealthy volunteersPhase 1
A Study to Assess the Relative Bioavailability of BMS-986435 and Food Effect on the BMS-986435 in Healthy Adult Participants
Bristol-Myers Squibb
- Location
- Miami, FL
- Eligibility basics
- Ages 18–60
- RecruitingHealthy volunteersPhase 1
A Trial to Examine if Repinatrabit is Processed Differently in Adults With Reduced Liver or Kidney Function Compared to Adults With Normal Liver and Kidney Function
Otsuka Pharmaceutical Development & Commercialization, Inc.
- Location
- Miami, FL
- Eligibility basics
- Ages 18–65
- RecruitingHealthy volunteersPhase 1
First Time in Human Study of Long Acting VH4524184 Formulations
ViiV Healthcare
- Location
- Lenexa, KS + 2 other US sites
- Eligibility basics
- Ages 18–55
- RecruitingHealthy volunteersPhase 1
A Study of [18F]LY4214835 in Healthy Volunteers and Participants With Cancer
Eli Lilly and Company
- Location
- New York, NY + 1 other US site
- 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.