This study investigates CEA positive advanced malignant solid tumors. It focuses on understanding how the investigational medication interacts with the body and its safety in people with this condition.
Researchers will evaluate the safety and tolerability of the investigational medication. They will also study how the body processes the medication.
- Who can participate: Adults aged 18 and older with CEA positive advanced malignant solid tumors, including those who have progressed after standard treatments and have specific tumor types like colorectal or gastric cancer.
- Study details: Participants will receive an investigational medication. Some may receive a placebo, which is an inactive substance that looks like the investigational medication but does not contain any medicine.