HEALTHY ADULT PARTICIPANTS

This study tests whether a yeast-based protein supplement can build muscle as effectively as whey protein in healthy adults aged 18-35 who already do resistance training. Over 16 weeks, 72 participants will take either yeast or whey protein while exercising. The main goal is to c…

This study checks if blood samples collected in different tubes or ways give the same results for the HepQuant DuO liver test. The test involves drinking a natural substance and taking blood samples 20 and 60 minutes later. About 200 healthy adults and people with chronic liver d…

This study tests how easy a new wearable patch is to use for monitoring heart health. About 500 healthy adults and people with heart conditions will wear the patch for up to 7 days. Researchers will track how long the patch stays on and any skin reactions.

This study looks at how making the abdominal muscles tired affects hip muscle strength and balance in healthy young men. Researchers will test 70 male college students before and after a core-fatiguing exercise. The goal is to understand the link between core and hip function to …

This study explores whether a safe, non-invasive electrical stimulation technique called temporal interference stimulation can temporarily alter brain activity during sleep. Researchers will focus on sleep spindles, which are brain rhythms linked to memory and learning. Up to 24 …

This study looks at whether a single dose of Alpha-GPC, a supplement often used for brain health, can improve leg muscle strength, power, and activation in healthy young men. Twenty recreationally-active males will take the supplement and then perform tests like leg presses and c…

This study aims to translate and test a questionnaire that measures how aware people are of their breathing. Researchers will ask 60 healthy Turkish adults to fill out the questionnaire and compare it to other breathing-related surveys. The goal is to provide a reliable tool for …

This study checks if a new version of a drug (DA-5230) works the same as the original (DA-5230-R) in healthy adults. About 60 people aged 19 to 55 will take a single dose of each drug on different days. The goal is to see if the body absorbs both drugs similarly.

This study looks at how different patterns of physical activity—like how often, how hard, and how long you move—can help reduce the harmful effects of sitting too much. Researchers will compare several activity routines in 48 healthy but sedentary adults aged 40-70. The goal is t…

This study is an early-stage trial to check if an experimental drug called NHL907 is safe and how it moves through the body. It involves 64 healthy adults aged 18 to 60 who will take the drug or a placebo by mouth. The main goal is to see any side effects, not to treat any diseas…

This study tests whether a guided, non-drug spiritual practice can produce mystical-type experiences and improve well-being in 120 Christian adults. Participants will complete one in-person session and then follow a 4-week integration program. Researchers will measure changes in …

This early-stage study tests the safety of a new drug called EDG-7500 in 24 healthy adults aged 18-55, including both Caucasian and Japanese participants. Researchers will measure how much drug gets into the blood after single and multiple doses. No treatment is being tested—only…

This study looks at how a low-carbohydrate diet compares to a balanced diet in healthy adults. Over 4 weeks, researchers will measure changes in weight, body mass index, and blood pressure. The goal is to find out which diet works better for improving these health markers.

This study looks at how different amounts of dietary fiber change the compounds in your breath. Twenty healthy adults will eat either a low-fiber or high-fiber diet for three days, and researchers will measure their breath and gut activity. The goal is to understand how fiber is …

This early-stage study tests whether KHN707 tablets are safe and how they move through the body in 38 healthy Chinese adults aged 18 to 45. Participants are randomly assigned to receive either the drug or a placebo, and no one knows who gets what. The main goal is to check for si…

This study looks at whether a daily milk powder with added prebiotics and probiotics (synbiotics) can change the gut bacteria of healthy adults aged 40 to 65. About 100 participants in Singapore will wear a smartwatch, provide stool and blood samples, and answer questionnaires ov…

This early-stage study checks if a new drug called BCD-261 is safe in 48 healthy Chinese adults aged 18 to 45. Participants get one shot under the skin and are watched for side effects. The goal is to gather safety data, not to treat any disease.

This study will test whether a personalized exercise app (Gingko Active) helps middle-aged and older adults improve their strength, endurance, and balance more than following a standard exercise booklet. About 60 healthy adults aged 45 and older, including those with controlled h…

This study looks at whether different types of exercise—like high-intensity workouts and Tai Chi—can improve memory, focus, and flexibility in thinking, while also reducing stress. It involves 120 healthy first-year university students in Chile. Participants will be assigned to o…

This study looks at how tartaric acid, a natural compound in wine, grapes, and grape juice, is absorbed and processed by the body. Thirty healthy adults will consume these foods and provide blood and urine samples over 24 hours. The goal is to see if the source of tartaric acid a…

This study looks at how the antidepressant fluoxetine (Prozac) influences decision-making and social skills in healthy young people aged 18 to 24. Participants will take either fluoxetine or a placebo for a week and complete tasks measuring emotion recognition, social sensitivity…