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-…
The purpose of this study is to learn more about the effects of the combination of telaprevir peginterferon alfa2b (Peg-IFN) and ribavirin (RBV) in children with chronic hepatitis C. Investigators will look at how these study drugs may affect childrens bodies and how children break down and eliminate telaprevir. Participants of this study will receive Peg-…