Healthy clinical trials
Showing 251–300 of 432 active trials. Describe your situation to see which ones you may be eligible for.
- 30 Day Insulin Balance Metabolic Health Optimization Protocol
- Measuring Environmental Tobacco and Cannabis: Pollutants and Exposures
- Acute Amino Acid Response of Proprietary Beverages
- Filgrastim-Mobilized Stem Cells for Transplantation Using Unrelated Donors
- Dietary Intervention to Mitigate Adverse Consequences of Night Work
- The Breakfast Study: How Different Aspects of Food Affect Eating
- LPFC Organization in Emotion-Duration Difference Estimation
- Mixed Vs Blocked Search: Four Unique Tasks
- Low-dose Buccal Buprenorphine: Relative Abuse Potential and Analgesia
- Tracing the Metabolic Flux of Orally Administered NAD+ Precursors
- Cranberry Polyphenols and Stress Resilience During Multitasking in Healthy Adults
- A Study to Learn About a Vaccine Against E Coli in Healthy Adults
- Comparison of Microbiome Changes in Healthy Adults Following Ketone Ester Consumption
- Alternation in the Human Microbiome With Commonly Used Topical Medications
- State-dependent Interoception, Value-based Decision-making, and Introspection
- Effect of Hepatic Impairment on the Pharmacokinetics of Mirdametinib
- Gender Related Differences in the Acute Effects of Delta-9-Tetrahydrocannabinol in Healthy Humans
- A Study to Analyze the Role of Sympathetic Nervous System in Spontaneous Coronary Artery Dissection
- Impact of Native Chicory Inulin on Change and Persistence of Gut Microbiota
- Effects of Caffeinated Beverages on Well-being
- Brain Criticality, Oculomotor Control, and Cognitive Effort
- A Study of IBI3032 in Healthy Participants
- The Meta-SHIFT Study: How Metabolic Shift Shapes Human Immunometabolism - a Fasting Trial
- Decoding Emotional Dynamics in Bipolar Disorder
- Short-term Effects of Caffeine and a Multi-ingredient Pre-workout on Exercise Performance
- A Study of Mirikizumab Solution (LY3074828) in Healthy Participants
- Stress and Anxiety Effects on Valuation
- Effects of Variations in Caffeinated Beverages on Well-being
- Effects of Caffeine on Reinforcement Learning in Healthy Adults Using PET/MRI
- Lutein, Zeaxathin, and Fish Oil Supplementation
- The Mitopure Challenge to Detect Levels of Urolithin A in Dried Blood Spots
- Temporal Interference Stimulation for Social Cognition
- Investigation of Locus Coeruleus Function in Sustained Attention
- Effect of Transcutaneous Auricular Vagus Nerve Stimulation (taVNS) on Plasma Insulin Levels
- Defecation Patterns in Constipated Patients
- Intradermal Influenza Vaccination
- Brain Health on College Campuses
- Clinical Trial: Rapid Immune Modulating Effects
- Effects of Hypoxic Breathwork
- Effects of PFC tDCS on Cognitive Control, Attention Lapses and Coordinated Neural Activity in the Theta and Alpha Bands
- Western Diet on Cardiometabolic and Immune Function
- Heterogeneity of Vascular Adaptations to Exercise With Aging in Women and Men
- Investigating the Persisting Effects of a Single Dose of Psilocybin on Structural Plasticity in Healthy Older Adults
- Longitudinal Investigation of Sleep, Memory, and Brain Development Across the Nap Transition
- Acute Immune Modulation by Probiotic Strain
- Neural Control of Kidney Blood Flow During Exercise in African American Adults
- Effects of Freeze-dried Grape Powder on Immune Profiles in Healthy Aging Adults
- The Early Childhood Friendship Project - Phase 3
- The Dynamics of Representational Change Underlying Recall
- Evaluate the Effects of Citicoline on Mood in Healthy Adults
Guides for people searching for a trial
- How to search for a trial without losing your mindWhere to look, what to gather first, and how to read what you find.
- Why people get turned down — and what to do nextWhat eligibility criteria are for, what keeps people out, and where to go when the first door closes.
- How your biomarkers decide which trials you qualify forEGFR, HER2, BRAF, PD-L1 and the rest — what they are and why they increasingly gate access.
- What Phase 1, 2 and 3 actually mean for youWhat each phase is testing, and how to weigh an early-phase trial against a later one.
- 10 questions to ask before you say yesTreatment, time, cost, safety and your rights. Worth bringing to a screening visit.
- You matched with a trial. What happens now?Phone screens, the screening visit, informed consent, and day one.