Jing-yuan Fang, Md, Ph. D

This study tests whether taking a daily 2-gram histidine supplement is safe and can help boost the immune system's ability to fight colorectal cancer during standard treatment. Twenty adults with stage II or higher colorectal cancer will take the supplement and provide blood samp…

This early study looks at how berberine, a natural compound used in Chinese medicine, changes gut bacteria in healthy volunteers and people who have had colon polyps removed. Researchers will measure specific bacteria levels in stool samples before and after treatment. The goal i…

This study looks at how histidine, a common amino acid, might help make immunotherapy more effective for colorectal cancer. Researchers will measure histidine levels and related proteins in 150 patients' blood and tumor samples. The goal is to find new ways to overcome treatment …