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Randomized Trial for Botox Urinary Incontinence

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University of Rochester

Status

Completed

Conditions

Urinary Incontinence

Treatments

Procedure: Urodynamics
Other: Questionnaires
Other: Pad weight
Other: Bladder diary

Study type

Interventional

Funder types

Other
NIH

Identifiers

NCT00178191
1R21AG025490-01 (U.S. NIH Grant/Contract)
10466 (Registry Identifier)

Details and patient eligibility

About

The purpose of this study is to determine how effective Botox is in reducing the amount of urine leaked and which dose of Botox is more effective and safe in those who have urinary urge incontinence.

Full description

The prevalence of urinary incontinence in the US ranges from 3-14% with epidemiologic estimates ranging widely.1 Most urinary incontinence can be categorized into stress urinary incontinence (SUI) or UUI with UUI remaining more common and debilitating than SUI.2 A major cause of UUI is overactive bladder or detrusor instability (DI), and while DI is very common, its etiology remains unknown. DI is often successfully managed with behavioral therapy, physical therapy, medications and surgery with the most effective therapy being anticholinergic medication.2 However, side effects including dry mouth, and constipation often lead to discontinuation of these drugs. In addition, many patients fail anticholinergic medication and have persistent urinary leakage. Women who fail these treatments have limited options.

Enrollment

28 patients

Sex

Female

Ages

21+ years old

Volunteers

Accepts Healthy Volunteers

Inclusion and exclusion criteria

Inclusion Criteria: Subjects must have ALL of the following:

  • Completed a routine evaluation of incontinence (urodynamics, bladder diaries, and pad weights) through the urogynecology clinic at SMH within 3 months of the screening visit
  • Symptoms of urge incontinence associated with leakage on bladder diary
  • 24-hour pad weight >100 cc's (volume requiring multiple daily diaper changes)
  • Absence of a bladder infection or other condition that could explain urinary leakage
  • Absence of stress incontinence or a cough leak point pressure > 100 cm H2O on cystometry (this correlates with mild stress incontinence)
  • Failed anticholinergic therapy
  • Willingness and ability to perform intermittent clean catheterization (due to the risk of prolonged urinary retention from Botox)
  • The ability and willingness to return for surveillance evaluations
  • A negative urine pregnancy test if at risk for pregnancy
  • Competent to give signed consent and complete all of the study measures

Exclusion Criteria:

  • Children (< 21 years old), pregnant women and prisoners
  • History of carcinoma of the bladder
  • Absence of a measurable detrusor contraction on a pressure flow micturition study
  • A foreign body in the bladder or other correctable etiology for the UUI
  • Prior documented resistance to Botox
  • Gross fecal incontinence (due to confounding effects on pad weights and counts)
  • Known allergy to lidocaine or related compounds (used for local analgesia)
  • Known allergy to or inability to take both Bactrim DS or Ciprofloxacin (used for urinary tract infection prophylaxis)
  • Current use of an aminoglycoside or preparing for general anesthesia within 1 week (risk of synergetic effects
  • Known neurologic conditions such as Parkinson's disease, myasthenia gravis, multiple sclerosis, autonomic dysfunction, Lambert-Eaton syndrome, Amyotrophic Lateral Sclerosis or other neurologic disorder that may impact urinary function or the effect of Botox.

Trial design

Primary purpose

Treatment

Allocation

Randomized

Interventional model

Parallel Assignment

Masking

Double Blind

28 participants in 3 patient groups, including a placebo group

200 units Botox
Experimental group
Description:
200 units Botulinum-A toxin
Treatment:
Other: Pad weight
Procedure: Urodynamics
Other: Questionnaires
Other: Bladder diary
300 units Botox
Experimental group
Description:
300 units Botulinum-A toxin
Treatment:
Other: Pad weight
Procedure: Urodynamics
Other: Questionnaires
Other: Bladder diary
Placebo
Placebo Comparator group
Description:
Placebo
Treatment:
Other: Pad weight
Procedure: Urodynamics
Other: Questionnaires
Other: Bladder diary

Trial contacts and locations

1

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Data sourced from clinicaltrials.gov

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