Benign Prostatic Hyperplasia (BPH) is the most common hyperplastic disease occuring in human males over the age of 50 which increases in prevalence with age and 40% of males reported moderate or severe urinary symptoms of prostatism by the age of 50 to 80. The purpose of this study is to collect safety and efficacy data for this dosage regimen of cetrorelix pamoate.

For this study, study medication (Cetrorelix pamoate) is administered by injection in the buttocks (Intramuscular).

Inclusion Criteria:

• Benign Prostatic Hyperplasia, based on medical history
• Voiding symptoms
• Uroflow (max) 5-15mL/sec

Exclusion Criteria:

• Urgent need for prostate surgery
• History of allergic reaction to peptide
• Major organ dysfunction
• Prior surgical treatment of the prostate or bladder
• Current or recent treatment with sexual hormone drugs or 5 α reductase inhibitors or botulinum toxin type a (Botox) within the last 6 months prior to trial medication at Week 0 or with α blockers or saw palmetto within the last 6 weeks prior to trial medication at Week 0
• Urologic disorders including neurogenic bladder dysfunction due to diabetes mellitus or documented neurologic disorder, urethral stricture disease or history of pelvic radiation therapy
• History of acute obstructive, infectious, or neurological disorders of the genitourinary tract within the last 3 months