Pentosan polysulfate sodium therapy for men with chronic pelvic pain syndrome: a multicenter, randomized, placebo controlled study.
Nickel JC, Forrest JB, Tomera K, Hernandez-Graulau J, Moon TD, Schaeffer AJ, Krieger JN, Zeitlin SI, Evans RJ, Lama DJ, Neal DE, Sant GR. Pentosan polysulfate sodium therapy for men with chronic pelvic pain syndrome: a multicenter, randomized, placebo controlled study. J Urol. 2005 Apr; 173(4):1252-5.