Abstract: The present disclosure relates to compositions, methods, and uses for using an isolated anti-FcRn antibody or an antigen-binding fragment thereof that binds to neonatal Fc receptor (FcRn) to prevent, modulate, or treat warm autoimmune hemolytic anemia.

Abstract: This application describes methods of preventing, treating or reducing the risk of recurrence of a hepatitis C virus infection in a subject after the subject has received a liver transplant. Disclosed herein are methods of preventing or reducing the risk of recurrence of a hepatitis C virus infection in a subject after the subject has received a liver transplant, the methods comprising administering to the subject an effective amount of Compound 1. Also disclosed are methods of reducing HCV RNA levels to about 25 IU/mL or lower in a subject having received a liver transplant comprising administering to the subject an effective amount of Compound 1.

Abstract: Disclosed herein is a method of treating a subject infected with hepatitis C virus, said method comprising administering to the subject for a time period an effective amount of sofosbuvir, an effective amount of ribavirin and an effective amount of ledipasvir. In one aspect, the method comprises administering to the subject an interferon-free treatment regimen comprising an effective amount of sofosbuvir, an effective amount of ribavirin and an effective amount of ledipasvir. In a particular aspect, the method is sufficient to produce an undetectable amount of HCV RNA in the subject for at least 12 weeks after the end of the time period.