Summary: Cytomegalovirus (CMV) reactivation is a common and serious complication after allogeneic hematopoietic stem cell transplantation (allo-HSCT), and the reconstitution of CMV-specific cell-mediated immunity (CMV-CMI) plays a key role in viral control. This prospective, exploratory study will enroll 40 adult CMV-seropositive patients who experience their first CMV reactivation after allo-HSCT. CMV-spe...

Summary: The main aim of this study is to learn how safe maribavir is in Chinese adults who have undergone hematopoietic stem cell or organ transplantation and have a cytomegalovirus (CMV) infection and how well they tolerate treatment with maribavir. Other aims are to see how effective maribavir is in treating CMV infection and getting rid of the symptoms, the recurrence rate of CMV infection after treatm...

Summary: This is a prospective study of children \<21 years of age with the goal of characterizing the PK of drugs administered per standard of care as prescribed by the treating caregiver.