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
Safety and Drug Concentrations of REGN20934 in Adults With Overweight or Obesity
Regeneron Pharmaceuticals
- Location
- Glendale, CA
- Eligibility basics
- Ages 18–65
- RecruitingHealthy volunteersPhase 1
Evaluate the Effect of Vimseltinib on P-glycoprotein (P-gp) Inhibition in Healthy Male Participants
Deciphera Pharmaceuticals, LLC
- Location
- Overland Park, KS
- Eligibility basics
- Ages 18–55 · Men only
- RecruitingHealthy volunteersPhase 1
A Study to Assess the Safety, Tolerability and Pharmacokinetics (PK) of INS1033 in Healthy Participants
Insmed Incorporated
- Location
- Salt Lake City, UT
- Eligibility basics
- Ages 18–50
- RecruitingHealthy volunteersPhase 1
A Study to Evaluate the Safety, Tolerability, Pharmacokinetics, and Pharmacodynamics of ASC35 Injection in Participants With Obesity or Overweight
Ascletis Pharma (China) Co., Limited
- Location
- Baltimore, MD
- Eligibility basics
- Ages 18–65
- RecruitingHealthy volunteersPhase 1
A Study to Evaluate the Drug Levels, Absolute Bioavailability, Safety, Tolerability, and Immunogenicity of Single-Dose of BMS-986446 in Healthy Adults After Single-dose Administration, and Participants With Early…
Bristol-Myers Squibb
- Location
- Anaheim, CA
- Eligibility basics
- Ages 18–80
- RecruitingHealthy volunteersPhase 1
Dose Escalation Study Evaluating the Safety and Pharmacokinetics of VX-272 in Healthy Participants
Vertex Pharmaceuticals Incorporated
- Location
- Tempe, AZ
- Eligibility basics
- Ages 18–55
- RecruitingHealthy volunteersPhase 1
A Study of Ulonivirine (MK-8507) and Methadone in Healthy Volunteers (MK-8507-019)
Merck Sharp & Dohme LLC
- Location
- Anniston, AL
- Eligibility basics
- Ages 18–65
- RecruitingHealthy volunteersPhase 1
A Clinical Trial of Nemtabrutinib in Participants With Severe Kidney Disease (MK-1026-027)
Merck Sharp & Dohme LLC
- Location
- Miami Lakes, FL
- Eligibility basics
- Ages 18–80
- RecruitingHealthy volunteersPhase 1
A Study Comparing Two Ways of Taking Olomorasib (LY3537982) in Healthy Participants
Eli Lilly and Company
- Location
- Daytona Beach, FL
- Eligibility basics
- Ages 18–55
- RecruitingHealthy volunteersPhase 1
A Research Study Looking at How Different Doses of Study Medicine (Inno8) Work in the Body of People With Haemophilia A
Novo Nordisk A/S
- Location
- Aurora, CO + 4 other US sites
- Eligibility basics
- Ages 18–64 · Men only
- RecruitingHealthy volunteersPhase 1
A Study to Evaluate Safety, Tolerability, and Immunogenicity of V350A and V350B in Healthy Participants (V350-001).
Merck Sharp & Dohme LLC
- Location
- Kansas City, MO + 5 other US sites
- Eligibility basics
- Ages 12–30
- RecruitingHealthy volunteersPhase 1
Safety and Pharmacokinetics of ALZ-507 in Healthy Elderly Adults
Alzheon Inc.
- Location
- Miami, FL
- Eligibility basics
- Ages 50–75
- RecruitingHealthy volunteersPhase 1
Study of Safety and PK of AZD0543 in Healthy Adults
AstraZeneca
- Location
- South Miami, FL
- Eligibility basics
- Ages 18–55
- RecruitingHealthy volunteersPhase 1
Clinical Study to Evaluate the Safety, Tolerability, and Pharmacokinetics of HT31-1 for Treating ARDS
HTIC, Inc
- Location
- Richmond, VA
- Eligibility basics
- Ages 18–65
- RecruitingHealthy volunteersPhase 1
A Study to Evaluate Different Oral Formulations of KT-621
Kymera Therapeutics, Inc.
- Location
- Lincoln, NE
- Eligibility basics
- Ages 18–55
- RecruitingHealthy volunteersPhase 1
A Study to Assess the Adverse Events and How Oral Emraclidine Moves Through the Body of Healthy Elderly Adult Participants
AbbVie
- Location
- Maitland, FL + 3 other US sites
- Eligibility basics
- Ages 65–85
- RecruitingHealthy volunteersPhase 1/Phase 2
Study to Assess Safety and Immunogenicity of an Egg-based H5N8 Influenza Vaccine at Multiple Dose Levels Adjuvanted With Matrix-M in Healthy Participants 18 Years of Age and Above.
Sanofi
- Location
- Tempe, AZ + 15 other US sites
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteersPhase 1
Hepatic Impairment With Cirrhosis Due to Cholestatic Liver Disease
Zydus Therapeutics Inc.
- Location
- Indianapolis, IN
- Eligibility basics
- Ages 18–80
- RecruitingHealthy volunteersPhase 1
Phase 1 Study of Intravaginal KB15A
ZabBio Inc.
- Location
- Norfolk, VA
- Eligibility basics
- Ages 18–45 · Women only
- RecruitingHealthy volunteersPhase 1/Phase 2
First-in-human Study of the Safety, Tolerability, Pharmacokinetics, and Food Effect of ACCG-2671
Aconcagua Bio, Inc. a wholly owned subsidiary of Structure Therapeutics
- Location
- Lake Forest, CA + 2 other US sites
- Eligibility basics
- Ages 25–75
- RecruitingHealthy volunteersPhase 1
A Study to Evaluate the Pharmacokinetics (PK) and Safety of a Single Dose of Treprostinil Palmitil Inhalation Powder (TPIP) in Participants With Normal Hepatic Function and Participants With Hepatic Impairment
Insmed Incorporated
- Location
- Lake Forest, CA + 3 other US sites
- Eligibility basics
- Ages 18–70
- RecruitingHealthy volunteersPhase 1
A Study Evaluating MDX2301 in Healthy Adults and Adults at Higher Risk for Severe COVID-19.
ModeX Therapeutics, An OPKO Health Company
- Location
- Las Vegas, NV + 1 other US site
- Eligibility basics
- Ages 18–64
- RecruitingHealthy volunteersPhase 1
A Study to Assess the Skin Irritation and Sensitization of Estradiol/Levonorgestrel TDS in Healthy Postmenopausal Subjects
Corium Innovations, Inc.
- Location
- Las Vegas, NV
- Eligibility basics
- Ages 40–75 · Women only
- RecruitingHealthy volunteersPhase 1
A First-in-Human Study to Assess the Safety, Pharmacokinetics, and Pharmacodynamics of HMB-003 in Healthy Volunteers
Hemab ApS
- Location
- San Antonio, TX
- Eligibility basics
- Ages 18–50
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.