This study is called a screening study and the purpose of this study to find better ways to diagnose and treat leukemia that has come back after treatment or difficult to treat. Bone marrow, blood, and medical information about cancer and treatment will be collected. The results from this screening study may give other information about leukemia that is…
The purpose of this study is to determine if a study drug called pembrolizumab is safe and effective in the treatment of children and adolescents who have advanced melanoma, or advanced, relapsed, or refractory PD-L1 positive malignant solid tumor or other lymphoma, relapsed or refractory classical Hodgkin lymphoma (rrcHL), advanced, relapsed or refractory…