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 Pharmacokinetics (PK), Safety, and Tolerability of VH4367310 in Healthy Adult Participants
ViiV Healthcare
- Location
- Glendale, CA + 1 other US site
- Eligibility basics
- Ages 18–55
- RecruitingHealthy volunteersPhase 1
Evaluation of VX-581 in Healthy Participants and in Participants With Cystic Fibrosis
Vertex Pharmaceuticals Incorporated
- Location
- Overland Park, KS
- Eligibility basics
- Ages 18–55
- RecruitingHealthy volunteersPhase 1
A Phase 1 Relative Bioavailability Study of a VX-581 Tablet Formulation
Vertex Pharmaceuticals Incorporated
- Location
- Tempe, AZ
- Eligibility basics
- Ages 18–55 · Men only
- RecruitingHealthy volunteersPhase 1
Study to Assess the Safety, Tolerability, Pharmacokinetics, and Pharmacodynamics of HTX-001
Haya Therapeutics, Inc.
- Location
- Boston, MA + 1 other US site
- Eligibility basics
- Ages 18–70
- RecruitingHealthy volunteersPhase 1
MK-0947 PN-002: An Open-label Study to Evaluate Brain α-synuclein Deposition Using Positron Emission Tomography (PET) and [¹⁸F]MK-0947 in Participants With Parkinson's Disease (PD)
XingImaging, LLC
- Location
- New Haven, CT
- Eligibility basics
- Ages 40–80
- RecruitingHealthy volunteersPhase 1
A Clinical Trial of LY3962681 in Healthy Volunteers and in Patients With Parkinson's Disease
Prevail Therapeutics
- Location
- Naples, FL + 1 other US site
- Eligibility basics
- Ages 30–80
- RecruitingHealthy volunteersPhase 1
Study of S-892216 Long-acting Injectable (LAI) in Healthy Adult Participants
Shionogi
- Location
- Cypress, CA
- Eligibility basics
- Ages 18–55
- RecruitingHealthy volunteersPhase 1
A Study of RO7890597 in Healthy Adult Volunteers
Genentech, Inc.
- Location
- Lenexa, KS
- Eligibility basics
- Ages 18–65
- RecruitingHealthy volunteersPhase 1
A Single and Multiple Ascending Dose Study of EPX-100 in Healthy Adult Participants
Epygenix
- Location
- Tempe, AZ
- Eligibility basics
- Ages 18–55
- RecruitingHealthy volunteersPhase 1
A Study of LY4174794 in Participants With Obesity or Overweight Who Are Otherwise Healthy
Eli Lilly and Company
- Location
- San Antonio, TX
- Eligibility basics
- Ages 18–65
- RecruitingHealthy volunteersPhase 4Overnight stay mentioned
Abuse Potential of Gabapentin Taken Orally Concomitantly With Oxycodone Hydrochloride in Healthy, Non-Drug-Dependent, Recreational Opioid Users
Viatris Inc.
- Location
- Overland Park, KS
- Eligibility basics
- Ages 18–55
- RecruitingHealthy volunteersPhase 1
A Study of LY4006896 in Healthy Participants and Participants With Parkinson's Disease
Eli Lilly and Company
- Location
- Los Alamitos, CA + 7 other US sites
- Eligibility basics
- Ages 30–85
- RecruitingHealthy volunteersPhase 1
Effect of Hepatic Impairment on the Pharmacokinetics of Mirdametinib
SpringWorks Therapeutics, Inc., a healthcare company of Merck KGaA, Darmstadt, Germany
- Location
- Miami, FL + 2 other US sites
- Eligibility basics
- Ages 18–80
- RecruitingHealthy volunteersPhase 1
A Clinical Trial to Look at the Safety and Immune Responses of the RNA-based Vaccine BNT168 in Adults Living With or Without HIV
BioNTech SE
- Location
- Houston, TX
- Eligibility basics
- Ages 18–50
- RecruitingHealthy volunteersPhase 1/Phase 2
Phase 1/2 Study of Respiratory Syncytial Virus and Human Metapneumovirus (RSV+HMPV) Vaccine Candidate in Adults 60 Years of Age and Older
Sanofi
- Location
- Gadsden, AL + 49 other US sites
- Eligibility basics
- Ages 60+
- RecruitingHealthy volunteersPhase 1
A Trial of Lu AH69593 in Healthy Participants
H. Lundbeck A/S
- Location
- Madison, WI
- Eligibility basics
- Ages 18–55
- RecruitingHealthy volunteersPhase 1
A Study to Test How BI 1291583 is Taken up in the Blood of People With and Without Liver Problems
Boehringer Ingelheim
- Location
- Rialto, CA
- Eligibility basics
- Ages 18–80
- RecruitingHealthy volunteersPhase 1
A Study to Evaluate the Effects of CYP2D6 Phenotypes on the Pharmacokinetics of Xanomeline Following KarXT Administration in Healthy Adult Participants
Karuna Therapeutics, Inc., a Bristol Myers Squibb company
- Location
- Lenexa, KS
- Eligibility basics
- Ages 18–65
- RecruitingHealthy volunteersPhase 1
A Study to Investigate Safety, Tolerability, and Pharmacokinetics of AZD3974 in Healthy Participants
AstraZeneca
- Location
- Glendale, CA + 1 other US site
- Eligibility basics
- Ages 18–55
- RecruitingHealthy volunteersPhase 1
A Study to Investigate Safety, Tolerability, Pharmacokinetics and Pharmacodynamics of AZD1043 in Healthy Adult Participants Living With Overweight and/or Obesity.
AstraZeneca
- Location
- Glendale, CA + 1 other US site
- Eligibility basics
- Ages 18–65
- RecruitingHealthy volunteersPhase 1
Comparing the Extent to Which Romosozumab (AMG 785) is Made Available in the Body When Administered as a Single SC Injection or as 2 SC Injections
Amgen
- Location
- Miami, FL
- Eligibility basics
- Ages 18–60
- RecruitingHealthy volunteersPhase 1
A Study Investigating the Safety of RO7795081 and How the Body Processes RO7795081 in People With Normal or Decreased Kidney Functions
Hoffmann-La Roche
- Location
- Miami Lakes, FL + 2 other US sites
- Eligibility basics
- Ages 18–85
- RecruitingHealthy volunteersPhase 1
Safety and Immunogenicity of V540B in Healthy Adults (V540B-002).
Merck Sharp & Dohme LLC
- Location
- Hallandale, FL + 1 other US site
- Eligibility basics
- Ages 18–45
- RecruitingHealthy volunteersPhase 1
A Master Protocol Studying Multiple Amyloid-Targeting Therapies in Healthy Participants and Participants With Alzheimer's Disease
Eli Lilly and Company
- Location
- Daytona Beach, FL
- Eligibility basics
- Ages 18–85
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.