Eisai Co., Ltd.

This study looks at the safety of the drug Tasfygo in 60 people with advanced biliary tract cancer that has a specific gene change (FGFR2 fusion) and has gotten worse after chemotherapy. Researchers will track side effects and how well the drug works. The goal is to make sure Tas…

This study tests whether a new drug called E6742 can help control lupus better than a placebo. About 256 adults with active lupus will receive either E6742 or a placebo, along with low-dose steroids. The main goal is to see if more people on E6742 have less disease activity after…

This study looks at how mild or moderate liver problems change the way the body handles a single dose of the drug tasurgratinib. Researchers will compare 18 adults with stable liver impairment to healthy volunteers. The goal is to understand how the liver affects drug levels in t…

This study tracks 5000 people with early Alzheimer's who are taking lecanemab in regular medical care. Researchers want to see how often brain imaging abnormalities (ARIA) occur and how doctors manage treatment when they do. The goal is to better understand the real-world safety …