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…
Pfizer and Columbia University Irving Medical Center (CUIMC) are conducting a trial to learn about the safety and effectiveness of an experimental COVID-19 treatment, nirmatrelvir co-packaged with ritonavir, for children with COVID-19 that are at risk of the infection getting worse. Nirmatrelvir/ritonavir has been shown to be effective in fighting SARS-CoV-…