HEALTHY ADULT MALE

This study aims to see if taking vitamin D and branched-chain amino acid (BCAA) supplements for 8 weeks can reduce muscle fatigue and improve running performance. It will involve 64 healthy male recreational runners aged 25-44. Participants will be randomly assigned to take diffe…

This is a first-in-human study to check the safety and basic effects of a single dose of an experimental injection called HEC-151. It will involve 81 healthy Chinese men. Researchers will closely monitor participants for any side effects and measure how the body processes the dru…

This early-stage study aims to understand what happens to the experimental drug HRS-9190 after it is given to a person. Six healthy adult male volunteers will receive a single, traceable dose to see how their bodies absorb, break down, and eliminate it. The main goal is to gather…

This study aims to understand if eating a high-carbohydrate breakfast containing two types of sugars (glucose and fructose) helps the liver store more energy fuel, called glycogen, after a night's sleep. Researchers will compare three breakfasts—no breakfast, a standard carb brea…

This study aims to understand how the antifungal medication fluconazole affects the community of bacteria and fungi living in the gut, and how it might influence the immune system. Researchers will compare 50 healthy male volunteers who either take the medication for 14 days or r…