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7,114 recruiting studies with US sites, from the official ClinicalTrials.gov registry (refreshed Oct 27, 2026). No sign-up needed.
Most recently updated studies · page 22 of 297
- RecruitingHealthy volunteersPhase 1
Sex Differences in the Response to Abstinence From Alcohol.
Indiana University
- Location
- Indianapolis, IN
- Eligibility basics
- Ages 21–35
- RecruitingHealthy volunteersPhase 1
Macrophage Regulation of Ozone-Induced Lung Inflammation
Robert Tighe, MD
- Location
- Durham, NC
- Eligibility basics
- Ages 18–55
- RecruitingHealthy volunteersPhase 1/Phase 2
Chemotherapy (Decitabine in Combination With FLAG-Ida) and Total-Body Irradiation Followed by Donor Stem Cell Transplant for the Treatment of Adults With Myeloid Malignancies at High Risk of Relapse
Fred Hutchinson Cancer Center
- Location
- Seattle, WA
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteersPhase 1
ACT for Individuals With MNCD and Their Care Partners
Texas Tech University
- Location
- Lubbock, TX
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteersEarly Phase 1
Efficacy of Combined Ibuprofen and Acetaminophen Therapy Versus Ibuprofen Alone Versus Placebo Alone for Pain Management
University of Colorado, Denver
- Location
- Aurora, CO
- Eligibility basics
- Ages 12–80
- RecruitingHealthy volunteersPhase 1
Comparative Pharmacokinetics and Pharmacodynamics of Synthetic Nicotine
University of California, San Francisco
- Location
- San Francisco, CA
- Eligibility basics
- Ages 21–65
- RecruitingHealthy volunteersPhase 1
Restoration of Antibiotics Related Infant Microbiota Perturbations by Autologous Fecal Transplant
Rutgers, The State University of New Jersey
- Location
- New Brunswick, NJ
- Eligibility basics
- Ages 1 mo–4
- RecruitingHealthy volunteersEarly Phase 1
The Role of Occupational Therapy for Improving Medication Management for Persons With AMD, DR and Glaucoma
MCPHS University
- Location
- Worcester, MA
- Eligibility basics
- Ages 50–100
- RecruitingHealthy volunteersPhase 1
First-in-Human Study of VNT-101: Safety, Tolerability, and Pharmacokinetics
National Institute of Allergy and Infectious Diseases (NIAID)
- Location
- Overland Park, KS
- Eligibility basics
- Ages 18–59
- RecruitingHealthy volunteersPhase 1
Tranexamic Acid in Rhinoplasty: Perioperative Bleeding, Edema and Ecchymosis
Vanderbilt University Medical Center
- Location
- Nashville, TN
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteersPhase 1
Hyperpolarized 129Xe MR Imaging of Lung Function in Healthy Volunteers and Subjects With Pulmonary Disease
Mario Castro, MD, MPH
- Location
- Kansas City, KS
- Eligibility basics
- Ages 3+
- RecruitingHealthy volunteersEarly Phase 1
Combination of Tagraxofusp With Pacritinib in Patients With Intermediate-1 or Higher Myelofibrosis, Who Have Had Prior Therapy With the Approved JAK Inhibitors or in Which Therapy With the Approved JAK Inhibitors is Not…
University of Kansas Medical Center
- Location
- Fairway, KS
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteersEarly Phase 1
Transcranial Magnetic Stimulation Treatment for Alzheimer's Disease
Massachusetts General Hospital
- Location
- Boston, MA
- Eligibility basics
- Ages 40–99
- RecruitingHealthy volunteersEarly Phase 1
Effect of Melatonin on Sleep Patterns of Resident Trainees During Night Float Shift
University of Virginia
- Location
- Charlottesville, VA
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteersEarly Phase 1
PET Imaging CCR2 in Lung Inflammation
Washington University School of Medicine
- Location
- St Louis, MO
- Eligibility basics
- Ages 21+
- RecruitingHealthy volunteersOvernight stay mentioned
Sickle Cell Disease and the Genomic and Gene Therapy Needs of Stakeholders
St. Jude Children's Research Hospital
- Location
- Memphis, TN
- Eligibility basics
- Ages 13+
- RecruitingHealthy volunteersEarly Phase 1
Cannabis Use, Cognition, and the Endocannabinoid System in HIV
University of California, San Diego
- Location
- San Diego, CA
- Eligibility basics
- Ages 18–65
- RecruitingHealthy volunteersEarly Phase 1
The Potential of Oxytocin to Reduce Opioid Abuse Liability and Pain Among Older Adults
University of Florida
- Location
- Gainesville, FL
- Eligibility basics
- Ages 45–85
- RecruitingHealthy volunteersEarly Phase 1
Quadriceps Motor Unit Adaptation to Simulated Knee Injury
University of Central Florida
- Location
- Orlando, FL
- Eligibility basics
- Ages 18–30
- RecruitingHealthy volunteersPhase 1
NMDA Receptor Antagonist Nitrous Oxide Targets Affective Brain Circuits
Washington University School of Medicine
- Location
- St Louis, MO
- Eligibility basics
- Ages 18–65
- RecruitingHealthy volunteersPhase 1
Gender Related Differences in the Acute Effects of Delta-9-Tetrahydrocannabinol in Healthy Humans: Sub-Study II
Yale University
- Location
- West Haven, CT
- Eligibility basics
- Ages 18–55
- RecruitingHealthy volunteersEarly Phase 1
Cannabidiol Effects on Learning and Anxiety
University of Connecticut
- Location
- Storrs, CT
- Eligibility basics
- Ages 18–50
- RecruitingHealthy volunteersPhase 1/Phase 2
Lipomas Treated With Subcutaneous Injections of Cooled or Warmed Sodium Chloride
West Virginia University
- Location
- Morgantown, WV
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteersEarly Phase 1
Mental Health in Veterans and Families After Group Therapies
Soul Medicine Institute
- Location
- Santa Rosa, CA
- Eligibility basics
- Ages 18–80
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