To join a healthy clinical trial in United States, select a recruiting trial below and check the eligibility criteria. Contact the trial's principal investigator or the listed site in United States directly. All trials listed here are sourced from ClinicalTrials.gov, the official U.S. registry of clinical studies.

What phases are healthy trials in United States?

Active healthy trials in United States span EARLY_Phase 1, Phase 1, Phase 3. Phase I trials test safety, Phase II test efficacy, and Phase III compare against standard treatments in larger patient populations.

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Active Trials in United States (40)

Evaluation of the Potential of Grape Consumption to Improve Muscle Strength and Cognitive Function

The BrainHealth Project

Language Control Across Modalities

Sex Disparities in Hypoxic Vasodilation and Impact of Obesity

Study of Disrupted Sleep in Somali Americans

Harnessing Macrophage Lysosomal Lipid Metabolism in Obesity (ATM)

Brain Criticality, Oculomotor Control, and Cognitive Effort

High-resolution Phosphocreatine and Creatine Mapping of Human Muscle and Brain

Neurobehavioral Signatures of Sign- and Goal-Tracking in Emerging Adults: Translation of a Preclinical Model

The Effect of Synaquell™ in Contact Sport Athletes

Study of New Magnetic Resonance Imaging Methods of the Brain

REcovery From DEXmedetomidine-induced Unconsciousness

A Clinical Study of the Effect of MK-2828 on Rosuvastatin or Furosemide in Healthy People (MK-2828-005)

Feasibility and Acceptability of Mindful Self-Compassion Among Transgender and Nonbinary Young Adults

Comparison of Cuff-Less Wrist Wearable Blood Pressure Device to Cuff Based Blood Pressure Measuring Devices

The Modulatory Effect of Female Sex Hormones on Spinal Neuroplasticity

A Clinical Trial in Healthy Participants to Learn How Itraconazole Affects MK-2828 Levels and How MK-2828 Affects Midazolam Levels (MK-2828-007)

A First-in-human Study to Evaluate the Safety and Tolerability of HB-2121 as a Diagnostic for Celiac Disease

Adding Polyphenol-rich Pulses to Daily Diet Improves Skin Health by Reshaping the Skin Microbiome

Blood Collection for COM/BSBS

Study of Healthy Cohort for Early Detection of Cancer

A Study to Learn How the Body Processes the Study Medicine PF-07328948 in People With and Without Reduced Liver Function

Adversity, Brain and Opioid Use Study

Bone Mineral Density Agreement Study Between EOSedge™ Versus Traditional DXA

Normal Donor Blood Draws for Platelet Studies and Biomarker Evaluation (ND-PLT)

Hair Biomarkers Study

Evaluate the Effects of Famotidine or Rabeprazole on the PK of Nirogacestat

Neurofeedback to Reduce Spontaneous Recovery of Threat Expectancy

Protein Requirements for Active Children

A Single- and Multiple-Ascending Dose Study of SRK-439 in Healthy Adults

Ex Vivo Expansion (ACT-X)

Predicting Future Errors During Skill Performance

Fully Automated High-Throughput Quantitative MRI of the Liver

Nourish Clinical Trial

Effects of PFC tDCS on Cognitive Control, Attention Lapses and Coordinated Neural Activity in the Theta and Alpha Bands

Effects of Caffeinated Beverages on Well-being

A Study to Learn How the Body Processes the Study Medicine PF-07328948 in People With Reduced Kidney Function

Endogenous Oxalate Synthesis in Idiopathic Calcium Oxalate Kidney Stone Disease

Anti-mullerian Hormone Levels in Healthy Females

Filgrastim-Mobilized Stem Cells for Transplantation Using Unrelated Donors

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