The purpose of this study is to find out more about how the study drug called entrectinib will be used in children, adolescents and young adults with treatment-resistant solid tumor in brain or body. This is a phase 1/1b study, divided into a dose escalation portion (different dose will be tested) and a dose expansion portion…
This study is for women with breast cancer who will be undergoing lumbar puncture to evaluate for the presence of leptomeningeal metastasis, a complication in which the cancer spreads to the membranes (meninges) surrounding the brain and spinal cord. This condition is typically diagnosed by examining the cerebrospinal fluid…