This clinical trial is focused on studying a type of breast cancer known as HER2-low breast cancer, which has spread to the brain, a condition referred to as brain metastases. The study is investigating the effects of a treatment called Trastuzumab Deruxtecan, also known by its code name DS-8201a. This treatment is given as a solution through an intravenous infusion, which means it is administered directly into the bloodstream through a vein.
The purpose of the study is to evaluate how effective this treatment is for patients with HER2-low breast cancer that has either been newly diagnosed or is progressing in the brain. Participants in the study will receive the treatment and be monitored over time to see how their cancer responds. The study will also include a comparison with a placebo to better understand the treatment’s effects. The trial will last for a period of time, during which participants will have regular check-ups and assessments to track their progress and any changes in their condition.
Throughout the study, the focus will be on understanding the treatment’s impact on the cancer in the brain, as well as any side effects or changes in the participants’ quality of life. The study aims to provide valuable information that could help improve treatment options for patients with this specific type of breast cancer. Participants will be closely monitored by healthcare professionals to ensure their safety and well-being during the trial.



Austria
Spain