GPT and liver disorder: Although there is no United States (US) Food and Drug Administration (FDA)–approved treatment specifically for HDV infection, the American Association for the Study of Liver Diseases (AASLD) recommends that patients with chronic HDV (HDV RNA positive) who have elevated alanine aminotransferase (ALT) or compensated cirrhosis receive treatment with pegylated interferon (PEG-IFN) [3, 4].