#$%^&*AU2012327237A120130620.pdf#####ABSTRACT OF THE DISCLOSURE Compositions for stabilizing tigecycline are provided, the compositions including one or more formulating agent(s) selected from a chelator, pyruvic acid, or a salt or ester 5 thereof and ascorbic acid and optionally one or more excipients, diluents or buffers. Compositions of stabilized tigecycline are also provided comprising tigecycline and one or more formulating agent(s) selected from a chelator, pyruvic acid, or a salt or ester thereof and ascorbic acid and optionally one or more excipients, diluents or buffers. The compositions can also include a cyclodextrin. Methods of preparing, 10 uses and kits are also provided. 63