Blokhin's Russian Cancer Research Center

This study will collect and analyze real-world medical records from 60 Russian adults with advanced HER2-positive breast cancer who have already received at least one cycle of trastuzumab deruxtecan. The goal is to see how well the drug works in everyday practice, including how l…

This study looks at tissue samples from 30 people with stomach or esophageal cancer that spread to the brain. Researchers compare the genetic features of the original tumor and the brain tumor to see if they differ. The goal is to understand how the cancer changes when it spreads…