Therapeutic Group: Monoclonal Antibody Presentation Relyto 100: Each 10 ml solution for infusion contains Rituximab 100 mg. Relyto 500: Each 50 ml solution for infusion contains Rituximab 500 mg. Description Rituximab is a genetically engineered chimeric murine/human monoclonal IgG1 kappa antibody directed against the CD20 antigen. Rituximab has an approximate molecular weight of 145 kD. […]