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7,120 recruiting studies with US sites, from the official ClinicalTrials.gov registry (refreshed Oct 26, 2026). No sign-up needed.
Most recently updated studies · page 1 of 297
- RecruitingHealthy volunteersPhase 1Overnight stay mentioned
A Study to Learn How Different Amounts of the Study Medicine Called PF-08103402 Are Tolerated and Act in the Body in Healthy Adults or Adults With Mild To-moderate Asthma
Pfizer
- Location
- New Haven, CT
- Eligibility basics
- Ages 18–65
- RecruitingHealthy volunteersPhase 1Overnight stay mentioned
A Study of LY4355756 in Healthy Participants
Eli Lilly and Company
- Location
- Dallas, TX
- Eligibility basics
- Ages 18–65
- RecruitingHealthy volunteersPhase 1Overnight stay mentioned
A Study to Learn How ASP3082 is Processed in Healthy Men
Astellas Pharma Global Development, Inc.
- Location
- Madison, WI
- Eligibility basics
- Ages 18–65 · Men only
- RecruitingHealthy volunteersPhase 1Overnight stay mentioned
A Study to Investigate the Relative Bioavailability and Safety of Different Oral Formulations of Elecoglipron in Healthy Participants
AstraZeneca
- Location
- Glendale, CA + 1 other US site
- Eligibility basics
- Ages 18–55
- RecruitingHealthy volunteersPhase 1Overnight stay mentioned
A Phase I Study to Investigate the Pharmacokinetics and Safety of Capivasertib in Participants With Moderate Hepatic Impairment
AstraZeneca
- Location
- Rialto, CA + 1 other US site
- Eligibility basics
- Ages 18–80
- RecruitingHealthy volunteersPhase 1Overnight stay mentioned
A Study of Eloralintide (LY3841136) in Participants With Obesity or Overweight
Eli Lilly and Company
- Location
- San Antonio, TX
- Eligibility basics
- Ages 18–65
- RecruitingHealthy volunteersPhase 1Overnight stay mentioned
Phase 1 Study on the Safety, Tolerability, and Pharmacokinetics of JST-018 in Healthy Adults
Just-Evotec Biologics
- Location
- Las Vegas, NV
- Eligibility basics
- Ages 18–55
- RecruitingHealthy volunteersPhase 1Overnight stay mentioned
Safety and PK of Ceftibuten-ledaborbactam Etzadroxil Fixed-dose Combination
Basilea Pharmaceutica
- Location
- Lenexa, KS
- Eligibility basics
- Ages 18–55
- RecruitingHealthy volunteersPhase 1Overnight stay mentioned
A Study of LY4302814 in Healthy Participants
Eli Lilly and Company
- Location
- Daytona Beach, FL
- Eligibility basics
- Ages 18–65
- RecruitingHealthy volunteersPhase 1Overnight stay mentioned
A Study to Learn How the Body Processes the Study Medicine PF-07328948 in People With Reduced Kidney Function
Pfizer
- Location
- Lake Forest, CA + 3 other US sites
- Eligibility basics
- Ages 18–80
- RecruitingHealthy volunteersPhase 1Overnight stay mentioned
Radiprodil in Participants With Hepatic Impairment
GRIN Therapeutics, Inc.
- Location
- DeSoto, TX + 1 other US site
- Eligibility basics
- Ages 18–75
- RecruitingHealthy volunteersPhase 1Overnight stay mentioned
A Single and Multiple Ascending Dose Study of HM17321 in Healthy and Obese Participants
Hanmi Pharmaceutical Company Limited
- Location
- Cincinnati, OH
- Eligibility basics
- Ages 18–65
- RecruitingHealthy volunteersPhase 1Overnight stay mentioned
Nalmefene Implant in Healthy Subjects
ReacX Pharmaceuticals, Inc.
- Location
- Morrisville, NC
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteersPhase 1Overnight stay mentioned
Phase 1 Study of SBS-147 in Healthy Adults
Sparian Biosciences, Inc
- Location
- Cypress, CA
- Eligibility basics
- Ages 18–55
- Recruiting
OurRelationship-S: A Digital Relationship-Strengthening Program for Couples Experiencing Substance Misuse
OurRelationship
- Location
- Marietta, GA + 4 other US sites
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteersPhase 1Overnight stay mentioned
Role of Metal Ion Transporter ZIP8 in Alcohol-Related Behaviors
National Institute on Alcohol Abuse and Alcoholism (NIAAA)
- Location
- Bethesda, MD
- Eligibility basics
- Ages 21–60
- RecruitingHealthy volunteersPhase 1Overnight stay mentioned
Developing Biomarkers of Dietary Intake: Dose Dependent Measurement of Sugar Intake
National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)
- Location
- Phoenix, AZ
- Eligibility basics
- Ages 18–65
- RecruitingHealthy volunteersPhase 1Overnight stay mentioned
Study of Intravenous ZMA001 in Healthy Subjects
National Heart, Lung, and Blood Institute (NHLBI)
- Location
- Bethesda, MD
- Eligibility basics
- Ages 18–60
- RecruitingHealthy volunteers
Feasibility and Acceptability of Point of Care Rapid Syphilis Testing Among Patients Seeking Family Planning Services in Hawai'i
Queen's Medical Center
- Location
- Honolulu, HI
- Eligibility basics
- Ages 14+ · Women only
- RecruitingHealthy volunteersEarly Phase 1Overnight stay mentioned
Investigating the Mu:Kappa Opioid Receptor Imbalance in Alcohol Use Disorder
Yale University
- Location
- New Haven, CT
- Eligibility basics
- Ages 21–70
- RecruitingHealthy volunteersEarly Phase 1Overnight stay mentioned
Interaction of CYP2B6 Genotype and Efavirenz With Methadone and Tizanidine PK
Indiana University
- Location
- Indianapolis, IN
- Eligibility basics
- Ages 18–65
- RecruitingHealthy volunteersPhase 1Overnight stay mentioned
IAP-086-1: A Phase 1 Single Ascending Dose First-Time in Human Study
University of North Carolina, Chapel Hill
- Location
- Chapel Hill, NC + 1 other US site
- Eligibility basics
- Ages 18–70
- RecruitingHealthy volunteers
Bringing Medicines for HIV Prevention to a Family Planning Clinic
Women and Infants Hospital of Rhode Island
- Location
- Providence, RI
- Eligibility basics
- Ages 16+
- RecruitingHealthy volunteersPhase 1Overnight stay mentioned
LH-001 vs Placebo in Healthy Participants
Chien-Liang Lin
- Location
- Columbus, OH
- Eligibility basics
- Ages 18–60
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