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…
The HIV Vaccine Trials Network (HVTN) and Columbia University Irving Medical Center are doing a study to learn more about SARS-CoV-2 infection and the COVID-19 disease that it can cause. The purpose of this study is to learn more about infection with and recovery from the virus called SARS-CoV-2. Some people know this virus by…
If you currently live in the same household as someone who has tested positive for novel coronavirus (COVID-19), you might be eligible to participate in a trial that will test if a medicine used to prevent malaria, hydroxychloroquine, might reduce the risk of your developing COVID-19 symptoms. COVID-19 is a massive threat to public health worldwide. Post-…