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Intraprostatic Botulinum Toxin Type "A" Injection in Patients With Benign Prostatic Hyperplasia and Unsatisfactory Response to Medical Therapy

This study has been completed.
Information provided by (Responsible Party):
PROFESSOR PIER FRANCESCO BASSI, Catholic University of the Sacred Heart Identifier:
First received: March 9, 2012
Last updated: March 27, 2012
Last verified: March 2012

The injection of botulinum neurotoxin A into the prostate represents an alternative, minimal invasive treatment in patient with lower urinary tract symptoms (LUTS) associated to benign prostatic hyperplasia (BPH).

Objective: To evaluate the effectiveness of BTA in treating patients with symptomatic BPH and unsatisfactory response to combined medical therapy.

Condition Intervention Phase
Benign Prostatic Hyperplasia (BPH)
Benign Prostatic Enlargement (BPE)
Phase 2
Phase 3

Study Type: Interventional
Study Design: Allocation: Randomized
Intervention Model: Single Group Assignment
Masking: Double Blind (Participant, Care Provider, Investigator, Outcomes Assessor)
Primary Purpose: Treatment
Official Title: Intraprostatic Botulinum Toxin Type "A" Injection in Patients With Benign Prostatic Hyperplasia and Unsatisfactory Response to Medical Therapy: a Randomised, Double-blind, Controlled Trial Using Subjective and Objective Outcomes

Resource links provided by NLM:

Further study details as provided by PROFESSOR PIER FRANCESCO BASSI, Catholic University of the Sacred Heart:

Primary Outcome Measures:
  • evaluation of symptomatic improvement after treatment as measured by the IPSS score. A successful outcome was defined as a reduction of IPSS score of > 50% from baseline. [ Time Frame: 3 month ]

Secondary Outcome Measures:
  • safety and tolerability of treatment [ Time Frame: 3 month ]
    Quality of life improvement as measured by QoL score, changes in prostate volume, total PSA levels, maximal flow at uroflowmetry, post-void residual urine,maximal cystometric capacity, Bladder Outlet Obstruction Index, sexual modifications evaluated by International Index of Erectile Function.

Enrollment: 33
Study Start Date: September 2009
Primary Completion Date: September 2010 (Final data collection date for primary outcome measure)
Arms Assigned Interventions
Experimental: BOTOX Drug: BOTOX
Botulinum Toxin type A, 200-300 UI dilued in 6 ml of saline solution
Other Name: Botulinum toxin type A


Ages Eligible for Study:   50 Years to 80 Years   (Adult, Senior)
Sexes Eligible for Study:   Male
Accepts Healthy Volunteers:   No

Inclusion Criteria:

  • Moderate-to-severe LUTS as determined by the International Prostate Symptom Score
  • Mean peak urinary flow rate of no more than 15 mL/s with a voided volume of at least 150 mL, or postvoid residual urine volume (PVR) of more than 100 ml and urodynamic parameters indicative of bladder outlet obstruction (BOO) according to International Continence Society

Exclusion Criteria:

  • Patients with neurogenic voiding disorders, prostate or bladder cancer, bladder stones, urethral stricture, chronic bladder catheterization were excluded from the study.
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Please refer to this study by its identifier: NCT01566292

Catholic University of Sacred Heart
Rome, Italy, 00168
Sponsors and Collaborators
Catholic University of the Sacred Heart
Principal Investigator: PierFrancesco Bassi, Professor Catholic University of sacred Heart
  More Information

Responsible Party: PROFESSOR PIER FRANCESCO BASSI, Prof, Catholic University of the Sacred Heart Identifier: NCT01566292     History of Changes
Other Study ID Numbers: 268/08
Study First Received: March 9, 2012
Last Updated: March 27, 2012

Additional relevant MeSH terms:
Prostatic Hyperplasia
Pathologic Processes
Prostatic Diseases
Genital Diseases, Male
Pathological Conditions, Anatomical
Botulinum Toxins, Type A
Botulinum Toxins
Neuromuscular Agents
Peripheral Nervous System Agents
Physiological Effects of Drugs
Acetylcholine Release Inhibitors
Membrane Transport Modulators
Molecular Mechanisms of Pharmacological Action
Cholinergic Agents
Neurotransmitter Agents processed this record on May 25, 2017