Effectiveness of onaBoNT-A vs Oral Tamsulosin in Men With BPH and LUTS

Summary

Benign prostatic hyperplasia (BPH) and its related symptoms are a common condition that affects nearly half of men over age 50 and 90% of men over 80. Lower urinary tract symptoms (LUTS) caused by BPH can be very troublesome, affect an individual's quality of life significantly, and are costly. his Phase 2 clinical research trial is a double-blind, randomized, placebo-controlled, parallel-group study to compare the treatment effects of onaBoNT-A 200 U versus 0.4 mg per day of oral tamsulosin in male Veterans diagnosed with moderate to severe LUTS \[American Urologic Association Symptom Score (AUASS) equal to or greater than 8\] associated with BPH. A total of 74 volunteers will be recruited to participate in this clinical trial. Volunteers will include only males who are greater than 50 years of age and diagnosed with LUTS associated with BPH. They are Veterans who visit the Michael E. DeBakey Veterans Affairs Medical Center - Houston (MEDVAMC). There are no eligibility restrictions as to race or ethnicity.

Timeline

Start

2012-06-01

Primary completion

2019-09-30

Completion

2019-09-30

Publications

• Results Crawford ED, Hirst K, Kusek JW, Donnell RF, Kaplan SA, McVary KT, Mynderse LA, Roehrborn CG, Smith CP, Bruskewitz R. Effects of 100 and 300 units of onabotulinum toxin A on lower urinary tract symptoms of benign prostatic hyperplasia: a phase II randomized clinical trial. J Urol. 2011 Sep;186(3):965-70. doi: 10.1016/j.juro.2011.04.062. Epub 2011 Jul 24.
• Results Smith CP, Chancellor MB. Emerging role of botulinum toxin in the management of voiding dysfunction. J Urol. 2004 Jun;171(6 Pt 1):2128-37. doi: 10.1097/01.ju.0000127725.48479.89.
• Results Chancellor MB, Fowler CJ, Apostolidis A, de Groat WC, Smith CP, Somogyi GT, Aoki KR. Drug Insight: biological effects of botulinum toxin A in the lower urinary tract. Nat Clin Pract Urol. 2008 Jun;5(6):319-28. doi: 10.1038/ncpuro1124. Epub 2008 May 6.

Drugs

Indications