Eisai Co., Ltd.

This study looks at the safety of the drug Tasfygo in people with a certain type of advanced bile duct cancer that has gotten worse after chemotherapy. About 60 participants will be watched for side effects and how well the drug works. The goal is to make sure the drug is safe fo…

This study tests a new drug called E6742 for people with systemic lupus erythematosus (SLE), a chronic autoimmune disease. About 256 adults will receive either E6742 or a placebo to see if the drug can reduce lupus symptoms while allowing lower steroid use. The main goal is to me…

This study watches 5,000 people with early Alzheimer's who are taking lecanemab in regular medical care. The goal is to learn about brain changes called ARIA that can happen with this drug, and how doctors manage treatment when these changes occur. No new treatments are being tes…

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 matched by age, weight, race, and gender. The goal is to understa…