HEALTHY ADULT MALE

This study aims to see if taking vitamin D and branched-chain amino acid (BCAA) supplements for 8 weeks can help reduce muscle fatigue and improve running performance. It will involve 64 healthy male recreational runners. Researchers will measure changes in blood markers of fatig…

This early-stage study aims to understand what happens to a new drug, HRS-9190, after it's given to people. Six healthy male volunteers will receive a single dose containing a tiny, safe amount of radioactive tracer. Researchers will then carefully measure how the drug is absorbe…

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…

This is the first study in humans to test the safety and tolerability of a new injection called HEC-151. It will involve 81 healthy adult men to see how their bodies react to a single dose. Researchers will closely monitor for any side effects and measure how the drug moves throu…