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 156 of 297
- RecruitingHealthy volunteers
Leveraging Chatbot to Improve PrEP in the Southern United States
Yale University
- Location
- Miami, FL + 3 other US sites
- Eligibility basics
- Ages 18+ · Men only
- RecruitingHealthy volunteers
Improving Memory in Alzheimer's Disease With Noninvasive Brain Stimulation
Boston University Charles River Campus
- Location
- Boston, MA
- Eligibility basics
- Ages 50–100
- RecruitingHealthy volunteers
Prospective Study of Sensation and Satisfaction in Cancer and Transgender Mastectomy Patients
Weill Medical College of Cornell University
- Location
- Boston, MA + 1 other US site
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Biomarker Approach to Screening for the Early Detection of HPV-related Oropharyngeal Cancer (BASH OPC)
H. Lee Moffitt Cancer Center and Research Institute
- Location
- Tampa, FL + 2 other US sites
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Precise Oncology Interventions in Nutrition and Training (OnPoint)
University of Miami
- Location
- Miami, FL
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Behavioral Economic Intervention to Improve HIV Behaviors in Sexual Minority Individuals
The University of Texas Health Science Center at San Antonio
- Location
- San Antonio, TX
- Eligibility basics
- Ages 18–34
- RecruitingHealthy volunteers
Assessing Immune Dysfunction in Sepsis
University of Minnesota
- Location
- Minneapolis, MN
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
PrEP4U: Assessing the Effectiveness of Integrated Same-Day Lenacapavir Initiation and Follow-up Choice on PrEP Persistence
Massachusetts General Hospital
- Location
- Boston, MA + 1 other US site
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
High Frequency Stimulation to Improve Cognition, Mobility, and Affect in Individuals With and Without Subjective Cognitive Decline
University of Florida
- Location
- Gainesville, FL
- Eligibility basics
- Ages 65–89
- RecruitingHealthy volunteers
Early Dental Risk Screening for Pediatric Sleep-Disordered Breathing
University of North Carolina, Chapel Hill
- Location
- Chapel Hill, NC
- Eligibility basics
- Ages 8–13
- RecruitingHealthy volunteers
Developing Biomarker-Supported Schizophrenia Spectrum Disorder (SSD) Prevention
The University of Texas Health Science Center, Houston
- Location
- Houston, TX
- Eligibility basics
- Ages 9–19
- RecruitingHealthy volunteers
Optimizing Lymphatic Pumping for Influenza Vaccine Responses in Vulnerable Populations
Lake Erie College of Osteopathic Medicine
- Location
- Erie, PA
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
The Impact of Osteopathic Manipulative Treatment on Pelvic Floor Dysfunction, Activity, and Gait in Female Runners
Elizabeth Perrero
- Location
- Lexington, KY
- Eligibility basics
- Ages 18–35 · Women only
- RecruitingHealthy volunteers
Effectiveness of an 8-week Independent Cadence Retraining Program on Stress Urinary Incontinence in Parous Runners.
Mayo Clinic
- Location
- Rochester, MN
- Eligibility basics
- Ages 18+ · Women only
- RecruitingHealthy volunteers
Evaluation of Patients With HAM/TSP
National Institute of Neurological Disorders and Stroke (NINDS)
- Location
- Bethesda, MD
- Eligibility basics
- Ages 18–120
- RecruitingHealthy volunteers
Screening for LID Clinical Studies Unit Healthy Volunteer Protocols
National Institute of Allergy and Infectious Diseases (NIAID)
- Location
- Bethesda, MD
- Eligibility basics
- Ages 18–65
- RecruitingHealthy volunteers
Cell Collection to Study Eye Diseases
National Eye Institute (NEI)
- Location
- Bethesda, MD
- Eligibility basics
- Ages 0 mo–120
- RecruitingHealthy volunteers
Studies of Dermatologic Diseases Biospecimen Acquisition Protocol
National Institute of Arthritis and Musculoskeletal and Skin Diseases (NIAMS)
- Location
- Bethesda, MD
- Eligibility basics
- Ages 0 mo–100
- RecruitingHealthy volunteers
Molecular, Cellular, and Genetic Characterization of Human Adipose Tissue and Its Role in Metabolism
National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)
- Location
- Bethesda, MD
- Eligibility basics
- Ages 18–90
- RecruitingHealthy volunteers
Pre-diabetes in Subject With Impaired Fasting Glucose (IFG) and Impaired Glucose Tolerance (IGT)
The University of Texas Health Science Center at San Antonio
- Location
- San Antonio, TX
- Eligibility basics
- Ages 18–65
- RecruitingHealthy volunteers
Natural History, Pathogenesis, and Outcome of Autoinflammatory Diseases (NOMID/CAPS, DIRA, CANDLE, SAVI, NLRC4-MAS, Still'S-like Diseases, and Other Undifferentiated Autoinflammatory Diseases)
National Institute of Allergy and Infectious Diseases (NIAID)
- Location
- Bethesda, MD
- Eligibility basics
- Up to age 99
- RecruitingHealthy volunteers
The Beneficial Effects of Naps on Motor Learning
National Institute of Neurological Disorders and Stroke (NINDS)
- Location
- Bethesda, MD
- Eligibility basics
- Ages 18–80
- RecruitingHealthy volunteers
Metabolic Profiling of Immune Responses in Immune-mediated Diseases
National Institute of Allergy and Infectious Diseases (NIAID)
- Location
- Bethesda, MD
- Eligibility basics
- Ages 18–75
- RecruitingHealthy volunteersPhase 4
Pioglitazone on Heart Failure in Type-2 Diabetes Mellitus Participants
The University of Texas Health Science Center at San Antonio
- Location
- San Antonio, TX
- Eligibility basics
- Ages 30–70
Data source: deploy-time snapshot of the ClinicalTrials.gov API. How we list studies