This study investigates locally advanced or metastatic HER2 positive/lower expression gastrointestinal cancer and other solid tumors. The purpose of this study is to learn more about the condition and how it affects patients.
The study focuses on evaluating the safety, tolerability, and how the investigational medication moves through the body. It also looks at the initial effects of the medication on the condition.
- Who can participate: Adults aged 18 to 75 years with locally advanced or metastatic HER2 positive/lower expression gastrointestinal cancer or other solid tumors may participate.
- Study details: Participants in this study will receive the investigational medication. Some may receive a placebo, which is an inactive substance that looks like the investigational medication but does not contain any medicine.