Provided are compositions and methods for treating prostate conditions. The methods involve administering to an individual in need thereof a composition that contains i) an inhibitor of methionine salvage pathway in prostate of the individual and ii) a polyamine analogue. The methods are for use in individuals who have been diagnosed with, or are suspected of having or at risk for developing androgen sensitive prostate cancer (AS-CaP), or Castration recurrent CaP (CR-CaP), or benign prostate hyperplasia (BPH). The disclosure includes use of inhibitors of methylthioadenosine phosphorylase (MTAP), and a polyamine analog that upregulates polyamine catabolism by increasing spermidine/spermine N1-acetyl transferase (SAT1) activity, such as methyl-thio-DADMe-Immucillin (MTDIA), and 1),N(11)-bisethylnorspermine (BENSpm), respectively. Pharmaceutical formulations that contain a combination of the inhibitor of the methionine salvage pathway and a polyamine analogue are included, as are kits that contain such agents.
