Eiger BioPharmaceuticals, Inc., a clinical-stage biopharmaceutical company, develops a portfolio of late-stage drugs for orphan diseases. It offers Sarasar, which is used for the treatment of hepatitis delta; Exendin that is used for the treatment of hypoglycemia; and Bestatin, which is used for the treatment of pulmonary arterial hypertension and lymphedema. Eiger BioPharmaceuticals, Inc. was founded in 2008 and is based in Palo Alto, California.