Study of PRX302 for Lower Urinary Tract Symptoms Due to Benign Prostatic Hyperplasia (BPH)

Inclusion Criteria: * Lower Urinary Tract Symptoms (LUTS) attributable to BPH for ≥6 months * Written informed consent prior to enrollment in the study * IPSS ≥12 * Prostate volume of 30 - 100 mL as determined by TRUS * Maximum urine flow (Qmax) of 4 - 15 mL/sec * Refractory, intolerant or refused the use of alpha-blockers and/or 5 alpha-reductase inhibitors * Unwilling or unable to undergo conventional surgical or available minimally invasive treatments * Blood PSA values \<10 ng/mL Exclusion Criteria: * Inability to void at least 125 mL of urine * PVR volume \>200 mL * Presence of or history of certain conditions that could interfere with study results or endanger subject * Use of certain prescribed medications that could interfere with study results