Described herein are solid oral dosage forms containing Compound (1) or a pharmaceutically acceptable salt thereof (Formula 1), wherein Compound (1) is in the amorphous state. Also described are solid oral dosage forms comprising a composition of Compound (1) in the amorphous state and one or more pharmaceutically acceptable excipients. Compound (1) is a specific inhibitor of the hepatitis C virus (HCV) NS3/4A serine protease. Thus, also described herein are methods for using the described solid oral dosage forms in the treatment of HCV infection. Also described are processes for the manufacture of the solid oral dosage forms.
