Search
Find a recruiting study
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 24 of 297
- RecruitingHealthy volunteersEarly Phase 1
Chronic Transcutaneous Stimulation to Promote Motor Function and Recovery in Individuals With Paralysis or Paresis
Northwell Health
- Location
- Manhasset, NY
- Eligibility basics
- Ages 18–75
- RecruitingHealthy volunteersPhase 1
Open-Label Psilocybin Study in Transdiagnostic Population
Yale University
- Location
- New Haven, CT
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteersPhase 1
Preliminary Evaluation of [68Ga]CBP8 in Healthy Individuals, Lung Cancer, and Idiopathic Pulmonary Fibrosis Patients
Massachusetts General Hospital
- Location
- Boston, MA
- Eligibility basics
- Ages 18–80
- RecruitingHealthy volunteersPhase 1
Positron Emission Tomography (PET) Imaging of Thrombosis
Massachusetts General Hospital
- Location
- Boston, MA
- Eligibility basics
- Ages 18–85
- RecruitingHealthy volunteersEarly Phase 1
Statin Therapy in Primary Sclerosing Cholangitis (PSC): a Multi-omics Study
Stanford University
- Location
- Stanford, CA
- Eligibility basics
- Ages 18–80
- RecruitingHealthy volunteersEarly Phase 1
CMV-specific HIV-CAR T Cells as Immunotherapy for HIV/AIDS
City of Hope Medical Center
- Location
- Duarte, CA + 1 other US site
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteersPhase 1
Investigation of Psychedelic Effects in Psychoactive Substances
Johns Hopkins University
- Location
- Baltimore, MD
- Eligibility basics
- Ages 25–55
- RecruitingHealthy volunteersPhase 1
Alternation in the Human Microbiome With Commonly Used Topical Medications
University of California, Davis
- Location
- Sacramento, CA
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteersEarly Phase 1
Exploring the Effects of an Intravaginal Lactic Acid Gel on the Vaginal Microbiome
Queen's Medical Center
- Location
- Honolulu, HI
- Eligibility basics
- Ages 18–54 · Women only
- RecruitingHealthy volunteersPhase 1
Validation of Oxygen Nanosensor in Mitochondrial Myopathy
Children's Hospital of Philadelphia
- Location
- Philadelphia, PA
- Eligibility basics
- Ages 18–65
- RecruitingHealthy volunteersEarly Phase 1
The Use of Near-Infrared Fluorescence Cholangiography With Indocyanine Green (ICG) in the Work Up of Neonatal Cholestasis
University of Alabama at Birmingham
- Location
- Birmingham, AL
- Eligibility basics
- Ages 0 mo–4 mo
- RecruitingHealthy volunteersPhase 1/Phase 2
Use of Hyperpolarized Xenon Gas for Lung Imaging in Children and Adults
Children's Hospital Medical Center, Cincinnati
- Location
- Cincinnati, OH
- Eligibility basics
- Ages 6+
- RecruitingHealthy volunteersEarly Phase 1
Effect of C-peptide on Hypoglycemic Counterregulation
University of Cincinnati
- Location
- Cincinnati, OH
- Eligibility basics
- Ages 18–40
- RecruitingHealthy volunteersPhase 1
Acute Effects of Oral Nicotine Pouches
Johns Hopkins University
- Location
- Baltimore, MD
- Eligibility basics
- Ages 21+
- RecruitingHealthy volunteersEarly Phase 1
Localizing Epileptic Networks Using MRI and iEEG
University of Pennsylvania
- Location
- Philadelphia, PA
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteersPhase 1
Spinal Cord Injury Neuroprotection With Glyburide
Francis Farhadi
- Location
- Lexington, KY
- Eligibility basics
- Ages 18–80
- RecruitingHealthy volunteersEarly Phase 1
Vascular Effects of High-Salt After Preeclampsia
Anna Stanhewicz, PhD
- Location
- Iowa City, IA
- Eligibility basics
- Ages 18–45 · Women only
- RecruitingHealthy volunteersPhase 1
Evaluation of Single Dosing With Two F/TAF Tablets Among Healthy Volunteers
Johns Hopkins University
- Location
- Baltimore, MD
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteersEarly Phase 1
Anxiety During Abstinence in AUD
Columbia University
- Location
- New York, NY
- Eligibility basics
- Ages 21–55
- RecruitingHealthy volunteersEarly Phase 1
Intermittent Visual Perturbations to Enhance Balance Training
University of Florida
- Location
- Gainesville, FL
- Eligibility basics
- Ages 18–89
- RecruitingHealthy volunteersEarly Phase 1
The Kidney's Response to Exercise in Heat, and the Impact of Vitamin B3 on This Response
Beth Israel Deaconess Medical Center
- Location
- Boston, MA + 1 other US site
- Eligibility basics
- Ages 18–45
- RecruitingHealthy volunteersPhase 1/Phase 2
Molecular Imaging of NET Using [C-11]MRB-PET in MS
Brigham and Women's Hospital
- Location
- Boston, MA
- Eligibility basics
- Ages 18–60
- RecruitingHealthy volunteersPhase 1
Exploration of an Online Education Program to Support Caregivers' Knowledge Transfer
Texas Christian University
- Location
- Fort Worth, TX
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteersPhase 1/Phase 2
PET Brain Imaging in Multiple Sclerosis, Alzheimer's Disease, and Other Neurological and Neuropsychiatric Diseases
Brigham and Women's Hospital
- Location
- Boston, MA
- Eligibility basics
- Ages 18–85
Data source: daily sync of the ClinicalTrials.gov API. How we list studies