Search
Find a recruiting study
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 14 of 297
- RecruitingHealthy volunteersPhase 1
The Role of Glucagon in Glucose Metabolism in Humans With and Without Bariatric Surgery
The University of Texas Health Science Center at San Antonio
- Location
- San Antonio, TX + 1 other US site
- Eligibility basics
- Ages 18–65
- RecruitingHealthy volunteersPhase 1
Effects of Sirolimus on Asymptomatic ApoE4 Carriers
University of Missouri-Columbia
- Location
- Columbia, MO
- Eligibility basics
- Ages 45–65 · Women only
- RecruitingHealthy volunteersOvernight stay mentioned
Development of a Wearable Point of Care Monitoring Device for Pediatric Obstructive Sleep Apnea
Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD)
- Location
- Bethesda, MD
- Eligibility basics
- Ages 3–12
- RecruitingHealthy volunteersPhase 1/Phase 2
Neoadjuvant Durvalumab and Tremelimumab With and Without Chemotherapy for Mesothelioma
Baylor College of Medicine
- Location
- Houston, TX
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteersPhase 1
Ketamine Pharmacokinetics and Pharmacodynamics for Postpartum Depression and Pain After Cesarean Delivery
University of Utah
- Location
- Salt Lake City, UT
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteersPhase 1
Characterization of CB1 Receptors Using [11-C]OMAR in Opioid Use Disorder
Yale University
- Location
- New Haven, CT
- Eligibility basics
- Ages 25–65
- RecruitingHealthy volunteersPhase 1
[18F]PF-06445974 to Image PDE4B in Major Depressive Disorder Using PET
National Institute of Mental Health (NIMH)
- Location
- Bethesda, MD
- Eligibility basics
- Ages 18–70
- RecruitingHealthy volunteersPhase 1
Temporal Interference for Thalamocortical Activity and Network Modulation
University of Wisconsin, Madison
- Location
- Madison, WI
- Eligibility basics
- Ages 18–50
- RecruitingHealthy volunteersPhase 1
Role of Alpha-to-beta Cell Communication to Adapt Insulin Secretion to Insulin Resistance.
David D'Alessio, M.D.
- Location
- Durham, NC
- Eligibility basics
- Ages 18–60
- RecruitingHealthy volunteersPhase 1/Phase 2
Psilocybin Efficacy With or Without Pimavanserin Pretreatment
Johns Hopkins University
- Location
- Baltimore, MD
- Eligibility basics
- Ages 21–65
- RecruitingHealthy volunteersPhase 1
Evaluation of [11C]ZTP-1 to Image PDE4B
National Institute of Mental Health (NIMH)
- Location
- Bethesda, MD
- Eligibility basics
- Ages 18–101
- RecruitingHealthy volunteersPhase 1
The Gut - PRO Study
University of Wisconsin, Madison
- Location
- Madison, WI
- Eligibility basics
- Ages 60+
- RecruitingHealthy volunteersPhase 1
PET Imaging of Noradrenergic Transmission in the Brain
National Institute of Mental Health (NIMH)
- Location
- Bethesda, MD
- Eligibility basics
- Ages 18–105
- RecruitingHealthy volunteersPhase 1
Evaluation of the Safety and Effects of Psychoactive Substances in People With Past Opioid Use
Christopher D. Verrico
- Location
- Houston, TX
- Eligibility basics
- Ages 18–55
- RecruitingHealthy volunteersPhase 1
: Vascular Function in Health and Disease
D. Walter Wray
- Location
- Salt Lake City, UT
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteersPhase 1
Nicotinic Receptor Genetic Variation and Alcohol Reward
National Institute on Alcohol Abuse and Alcoholism (NIAAA)
- Location
- Bethesda, MD
- Eligibility basics
- Ages 21–60
- RecruitingHealthy volunteersPhase 1
Induced Blood-Stage Malaria in Healthy Malaria-Naive Adults to Assess the Safety and Infectivity of Plasmodium Vivax Challenge Agent and Evaluate Transmission in Mosquito Feeding Assays
National Institute of Allergy and Infectious Diseases (NIAID)
- Location
- Bethesda, MD
- Eligibility basics
- Ages 18–54
- RecruitingHealthy volunteersEarly Phase 1
Donor Virus-Specific CMV or AdV CTL to Treat CMV or AdV Reactivation or Disease After Solid Organ or HCT
Sumithira Vasu
- Location
- Columbus, OH
- Eligibility basics
- Ages 1–85
- RecruitingHealthy volunteersPhase 1
Imaging Sex Differences in Smoking-Induced Pulmonary Inflammation
University of Pennsylvania
- Location
- Philadelphia, PA
- Eligibility basics
- Ages 18–45
- RecruitingHealthy volunteersEarly Phase 1
HA35 Acute Alcohol Study
The Cleveland Clinic
- Location
- Cleveland, OH
- Eligibility basics
- Ages 21–65
- RecruitingHealthy volunteersPhase 1/Phase 2
A Phase I-II Study Investigating the All-Oral Combination of the Menin Inhibitor SNDX-5613 With Decitabine/Cedazuridine (ASTX727) and Venetoclax in Acute Myeloid Leukemia (SAVE)
M.D. Anderson Cancer Center
- Location
- Houston, TX
- Eligibility basics
- Ages 12+
- RecruitingHealthy volunteersPhase 1
A Clinical Trial to Evaluate the Safety and Immunogenicity of rVSV∆G-MARV-GP Vaccine in Adults in Good General Health
International AIDS Vaccine Initiative
- Location
- Washington D.C., DC + 1 other US site
- Eligibility basics
- Ages 18–50
- RecruitingHealthy volunteersPhase 1/Phase 2
Brain Network Changes Accompanying and Predicting Responses to Pharmacotherapy in OCD
Yale University
- Location
- New Haven, CT
- Eligibility basics
- Ages 18–65
- RecruitingHealthy volunteersPhase 1/Phase 2
Human Immune Response to Ixodes Scapularis Tick Bites
National Institute of Allergy and Infectious Diseases (NIAID)
- Location
- Bethesda, MD
- Eligibility basics
- Ages 18–99
Data source: deploy-time snapshot of the ClinicalTrials.gov API. How we list studies