Healthy clinical trials
Showing 351–400 of 432 active trials. Describe your situation to see which ones you may be eligible for.
- Timed Aspirin Chronobiome Study
- Standardizing Swallow Pressure Measurements
- Essential Oil-Based Product System for Digestive Support
- The Impact of Qualia Vitamin C+ on Individuals With Suboptimal and Adequate Vitamin C Levels
- Ultrasound Imaging of the Head, Neck, and Airway
- Exercise and Mortality in Middle-Aged and Older Adults
- Hand Perfusion and Pulse Oximetry Performance
- Leggings With Resistance Bands on Caloric Expenditure During Exercise
- Pomegranate Dietary Supplements in AUD and ALD
- A Single and Multiple Ascending Dose Escalation and Food Effect Study of QX-4533 in Healthy Participants
- A Study of Food Effect on Tersolisib (LY4064809) in Healthy Participants
- The Acute Effects of Psilocybin on Cognition, Memory, and Brain Function
- Pulse Revolution: Enhancing Metabolic Health Through the Power of Processed Chickpeas
- A Randomized Double Blind, Placebo Controlled Clinical Study Evaluating the Efficacy and Safety of Magnesium Supplementation on Relaxation in Adults
- Safety, Parameterization, and Mechanism of Transcranial Focused Ultrasound
- Investigating the Evolutionary Impact of Metabolic Flexibility on Physical Activity-Dependent BDNF and Cognition: Insights From the Val66Met Polymorphism
- Role of Endothelial Dysfunction on Exercise Pressor Reflex in Type 2 Diabetes
- Study to Investigate the Safety, Tolerability and Pharmacokinetics of QEV-817 Oral Suspension
- Acute Effects of Alpha-glycerylphosphorylcholine (A-GPC) on Lower Body Muscular Performance.
- Individual Differences in Placebo Analgesic Effects
- Validation of NAD+ Measurements for Human Clinical Studies
- The Impact of Light Exposure on Cognitive Function in Classrooms
- A Clinical Study on the Effects of a Dietary Supplement on Stress, Anxiety, Mood and Sleep in a Pediatric Population
- Feasibility Study of the Flash-Sole: A Wearable Midsole With Soft Actuators for Walking Assistance
- Using an AI Mobile Application to Promote Healthy Eating
- Development of a Real-time Controller to Estimate Walking Performance Using a Bilateral Ankle Exoskeleton
- Polarization Sensitive Optical Coherence Tomography (PS-OCT) for Retinal Imaging
- Comparing Prebiotic Fiber Supplements for Gut Health and Digestive Comfort
- Pharmacokinetic (PK) Study of Tafenoquine in Healthy Adults
- Evaluating the Ability of a Multi-Strain Postbiotic to Impact Inflammation, Immune Components, Gastrointestinal Symptoms, Recovery, Anxiety, and Intestinal Permeability
- Studies of Insulin and Glucagon Action in the Liver
- Food DNA Digestion
- Impacts of Opioids on Respiratory Drive During Sleep
- Impact of Soluble Arabinoxylan and Rice Bran Fiber on the Gut Microbiome in Healthy Adults
- An Open Label Trial Assessing the Impact of a Hydration Formula on Overall Health
- Blood Flow Restriction Resistance Exercise and Cardiac Cycle Dynamics
- Assessing Covert Consciousness During Dexmedetomidine and Ketamine Sedation: An fMRI Study
- Parameter Space of kTMP
- A Study of Renal Microvessel Imaging for Chronic Kidney Disease
- Task Switching Between Target Templates During Visual Search in Healthy Adults
- Looking Glass: Bimanual Balanced Reaching With Visual Biofeedback
- Imaging the Duodenum Using an Optical Frequency Domain Imaging OFDI Capsule
- REEF: Remote EEG Experiences With Families
- Human Research Program Flight Thigh Cuff
- Development and Testing of a Sports Intervention to Promote Physical Activity in Rural Girls
- MR Elastography of Cognitive Impairment
- Dietary Sugar Absorptive Phenotype for Prediction of Weight Loss Outcome
- Optimization of Exhaled Biomarker Collection and Analysis
- Collection of Anonymized Samples
- Brain Health Registry: An Online Registry to Identify and Assess Subjects for Brain Research
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.