There are currently 241 active clinical trials seeking participants for Healthy research studies. The states with the highest number of trials for Healthy participants are California, Florida, Texas and Maryland.
Gut Oxalate Absorption in Calcium Oxalate Stone Disease
Recruiting
The goal of this clinical trial study is to test if patients with idiopathic calcium oxalate kidney stones have an increased absorption of dietary oxalate, which would lead to increased urinary excretion of oxalate. The study will recruit adult patients with a history of calcium oxalate kidney stones and healthy volunteers without kidney stones. Participants will * ingest fixed diets containing low and moderately high amounts of oxalate for 5 days at a time * ingest a soluble form of oxalate... Read More
Gender:
ALL
Ages:
Between 18 years and 70 years
Trial Updated:
05/09/2025
Locations: University of Alabama at Birmingham, Birmingham, Alabama +1 locations
Conditions: Kidney Stone, Kidney Calculi, Urolithiasis, Urolithiasis, Calcium Oxalate, Nephrolithiasis, Nephrolithiasis, Calcium Oxalate, Oxalate Urolithiasis, Oxaluria, Healthy
Airway Data Collection With the Entarik Feeding Tube System
Recruiting
The purpose of this study is to evaluate the airway detection performance of the Entarik Feeding Tube System, and to collect data when the Entarik Feeding Tube is in the Airway for device development.
Gender:
ALL
Ages:
18 years and above
Trial Updated:
05/07/2025
Locations: Temple University Hospital, Philadelphia, Pennsylvania
Conditions: Healthy
The Effect of Synaquell™ in Contact Sport Athletes
Recruiting
This research is being done to investigate the dietary supplement, Synaquell (TM), for effects on brain function in youth contact sport athletes.
Gender:
ALL
Ages:
Between 13 years and 19 years
Trial Updated:
05/07/2025
Locations: Mayo Clinic in Rochester, Rochester, Minnesota
Conditions: Healthy
Acute Appetite Hormone Response of Proprietary Beverages
Recruiting
The primary objective of this study is to evaluate post-meal appetite hormones and appetite ratings, assessed using visual analog scale (VAS) questionnaires, in response to proprietary beverages in generally healthy adults.
Gender:
ALL
Ages:
Between 20 years and 50 years
Trial Updated:
05/07/2025
Locations: Biofortis Clinical Research, Addison, Illinois
Conditions: Healthy
Renal Metabolism of Glycolate to Oxalate
Recruiting
This study will determine the contribution of glycolate metabolism to urinary oxalate excretion in healthy subjects, using carbon 13 isotope glycolate tracer technique and a low-oxalate controlled diet.
Gender:
ALL
Ages:
Between 18 years and 75 years
Trial Updated:
05/06/2025
Locations: University of Alabama at Birmingham, Birmingham, Alabama
Conditions: Healthy
A Study of Carbamazepine (CBZ) and MK-8527 in Healthy Adult Participants (MK-8527-012)
Recruiting
The goal of this study is to learn what happens to MK-8527 in a healthy person's body over time when MK-8527 is given alone and with the medication CBZ.
Gender:
ALL
Ages:
Between 18 years and 55 years
Trial Updated:
05/06/2025
Locations: Celerion ( Site 0001), Tempe, Arizona
Conditions: Healthy
Breathing & Blood Pressure
Recruiting
The purpose of this study is to determine the effect of obesity on cardiovascular responses during various breathing maneuvers.
Gender:
ALL
Ages:
Between 18 years and 45 years
Trial Updated:
05/06/2025
Locations: Florida State University, Tallahassee, Florida
Conditions: Healthy, Overweight and Obesity
The Gut and Skin Microbiome in Vitiligo Disease Progression
Recruiting
Investigators plan to perform a pilot study that aims to characterize the microbiome of human vitiligo patients with both active and stable disease and compare this to the microbiome of age and sex matched controls. The investigators aim to answer the question whether the gut and skin microbiome of patients with vitiligo differs from the general population.
Gender:
ALL
Ages:
Between 18 years and 89 years
Trial Updated:
05/02/2025
Locations: Northwestern University, Chicago, Illinois
Conditions: Vitiligo, Healthy
Neuromodulation of Brain and Emotional Responses to Psychological Stress
Recruiting
Investigators are conducting this study to test if temporarily and non-invasively stimulating the brain will affect the emotional response to stress in healthy participants. Participants will perform a series of tasks while completing an MRI scan. After this, participants will be randomized to undergo transcranial magnetic stimulation (TMS) at two visits, undergoing active stimulation at one visit and undergoing 'sham' stimulation at another visit. Immediately following both stimulation session... Read More
Gender:
ALL
Ages:
Between 30 years and 50 years
Trial Updated:
05/02/2025
Locations: University of Pittsburgh Medical Center, Pittsburgh, Pennsylvania
Conditions: Healthy, Anxiety
A Study of the Blood Levels of Palovarotene in Participants With Abnormal Liver Function Compared to Healthy Adult Participants After Intake of a Single Dose
Recruiting
The main aim of this study is to understand how moderate and severe liver impairment (based on the Child-Pugh classification) affects the body's processing of a single dose of 10 mg maximum of palovarotene, compared to healthy participants with normal liver function. The study will also assess the safety and tolerability of the single dose of palovarotene. Participants will be enrolled in stages and divided into three groups based on their liver function: * Group 1: Healthy participants with... Read More
Gender:
ALL
Ages:
Between 18 years and 70 years
Trial Updated:
04/30/2025
Locations: ERG - Clinical Pharmacology of Miami, Miami, Florida +2 locations
Conditions: Hepatic Impairment, Healthy
Natural Product System and Lifestyle Modification
Recruiting
The goal of this clinical trial is to learn whether four dietary supplements and lifestyle changes can affect gene expression and blood markers in healthy volunteers. The main questions it aims to answer are: 1. How does daily ingestion of dietary supplements affect gene expression and hsCRP and vitamin D levels measured in blood? 2. How does daily ingestion of dietary supplements affect anthropometric measurements, sleep and physical activity, and gut microbiome composition? 3. How does daily... Read More
Gender:
ALL
Ages:
Between 30 years and 55 years
Trial Updated:
04/29/2025
Locations: doTERRA International, Pleasant Grove, Utah
Conditions: Healthy
A Study to Test How Zongertinib is Taken up in the Blood of People With and Without Liver Problems
Recruiting
This study is open to adults between 18 and 80 years of age. People with a body mass index (BMI) between 18 and 42 kg/m\^2 can take part. Women can only participate if they cannot get pregnant. This study includes people with mild liver problems, people with moderate liver problems, and people without liver problems as a matching control. The purpose of this study is to find out how mild and moderate liver problems affect how the body handles a medicine called zongertinib. Participants take zon... Read More
Gender:
ALL
Ages:
Between 18 years and 80 years
Trial Updated:
04/29/2025
Locations: American Research Corporation at the Texas Liver Institute, San Antonio, Texas
Conditions: Liver Diseases, Healthy