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Botulin-A Toxin Instillations and Overactive Bladder

Botulin-A Toxin/Dimethyl Sulfoxide Bladder Instillations for Treatment of Voiding Dysfunction Secondary to Detrusor Hyperreflexia and Detrusor Instability in Women

Status
Completed
Phases
Phase 1Phase 2
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT00583219
Enrollment
25
Registered
2007-12-31
Start date
2006-03-31
Completion date
2008-05-31
Last updated
2014-04-21

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Detrusor Hyperreflexia, Detrusor Instability, Overactive Bladder

Brief summary

The primary objective of this pilot study is to evaluate the safety and efficacy of direct instillations of Botulinum-A toxin/DMSO into the bladder via a catheter system as a means of treating women with symptoms of overactive bladder and secondary urinary incontinence. In doing so, we will focus on estimating the percentage of women who experience an improvement in their urinary incontinence symptoms at one month and three months following this novel instillation technique.

Detailed description

Rationale: To date, the standard treatment for overactive bladder (including detrusor hyperreflexia and detrusor overactivity) consists of oral anticholinergic medications that can have troublesome side effects and variable efficacy. What's more, patients failing pharmacological therapy must either live with their malady or undergo open surgery that is irreversible and carries a prolonged convalescence. The fact remains however that treatment for overactive bladder is necessary to help maintain quality of life and prevent upper urinary tract deterioration. In recent years, cystoscopic-guided injection of Botulinum-A toxin has been used as a novel method of addressing detrusor hyperreflexia and overactivity by blocking acetylcholine transmission at the bladder. The obvious benefits of a more targeted therapy notwithstanding, this method requires the use of a cystoscope, needle delivery of the agent through approximately 30 separate injection sites and either regional or topical intravesical anesthesia for peri-operative pain control. Clearly, the identification of less invasive and more cost effective means of delivering the beneficial effects of Botulinum-A toxin to the bladder muscle has the potential to enhance the overall appeal of this treatment method. Objectives: The primary objective of this pilot study is to evaluate the safety and efficacy of direct instillations of Botulinum-A toxin/DMSO into the bladder via a catheter system as a means of treating women with symptoms of overactive bladder and secondary urinary incontinence. In doing so, we will focus on estimating the percentage of women who experience an improvement in their urinary incontinence symptoms at one month and three months following this novel instillation technique. Study Design: We are proposing a single center, Phase II pilot study for this investigation. In this proposal, 25 sterile women between 18-90 years of age with urodynamic evidence of detrusor overactivity, hyperreflexia or symptoms of overactive bladder syndrome who lack evidence of infection and stress incontinence will be offered bladder instillation of Botulinum-A toxin with DMSO as a carrier agent if they have failed anticholinergic medications or cannot tolerate the pharmacological side effects. We will use two validated measurement tools for determining urinary incontinence severity. These measurement tools will be administered to each women at baseline and then again at one month and three-month follow-up time points. Our analysis will also focus on identifying and describing adverse events among these women and estimating the percentage of women that experience a successful improvement in their urinary incontinence symptoms. Study Duration: Patients will sign an informed consent and be screened for eligibility. Once determined eligible for the study, each patient will be scheduled for baseline evaluation and instillation of Botox/DMSO. Patients will be then followed up at one month and three months. Patients will be removed from the study if they withdraw consent, experience one of the study stopping criteria (in which case the entire study will stop) or when they complete the final follow-up evaluation at three-months.

Interventions

DRUGBotulinum-A toxin

A simple bladder catheterization in the office with a standard urinary catheter and instill the Botulinum-A toxin/DMSO solution.

Subjects received 50 cc of DMSO in an aqueous solution for intravesical instillation with botulinum-A toxin. Each cc contained 0.54 gm DMSO.

Sponsors

Mayo Clinic
Lead SponsorOTHER

Study design

Allocation
NA
Intervention model
SINGLE_GROUP
Primary purpose
TREATMENT
Masking
NONE

Eligibility

Sex/Gender
FEMALE
Age
18 Years to No maximum
Healthy volunteers
No

Inclusion criteria

1. Female patient aged 18 years or older 2. Patient with a history of stress urinary incontinence for at least 12 months 3. Patient with Intrinsic Sphincter Deficiency who demonstrate an abdominal leak point pressure of less than 100 cm of water on urodynamic evaluation 4. Patient with urinary incontinence verified by the Provocation test: a mean urinary leakage of 10 g on screening and baseline visits 5. Patient with positive stress test and/or urodynamic stress incontinence 6. Patient who has failed prior non-invasive treatment (e.g. behavior modification, pelvic floor exercises, biofeedback, electrical stimulation and/or drug therapy) 7. Patient with negative Contigen skin test during screening. 8. Patient who is mentally competent with the ability to understand and comply with the requirements of the study 9. Patient who agrees to be available for the follow-up evaluations as required by the protocol 10. Patient who has given signed informed consent

Exclusion criteria

1. Patient with Q-tip angle greater than 30 degrees 2. Patient with Functional Bladder capacity \<200 ml as recorded in the baseline Bladder Diary 3. Patient with Post-Void Residual Urine (PVRU) greater than 100 ml on repeated measures. (Patient with a single PVRU of \>100 ml and followed by two consecutive PVRU measurements of \<100 ml may be included in the study) 4. Patient with vesicoureteral reflux, interstitial cystitis, genitourinary fistulae 5. Patient with predominant urge incontinence 6. Patient with detrusor overactivity on filling cystometry 7. Patient with pelvic organ prolapse stage III or IV, i.e. the most distal part of the prolapse protruding more than 1 cm beyond the hymen (\>+1), at straining 8. Patient with urinary incontinence due to neurological disease that is known to affect urinary tract infection 9. Patient with uninvestigated hematuria 10. Patient with genitourinary malignancies 11. Patient on current medication for stress urinary incontinence, such as alpha-adrenergic agonists or duloxetine, within three weeks prior to completing the baseline Bladder Diary (estrogen therapy on a stable dose for at least two months prior to study start is allowed) 12. Patient who has had bulking therapy for stress urinary incontinence 13. Patient with ongoing complications of prior anti-incontinence surgery 14. Patient who is pregnant, lactating, or planning to become pregnant within the study period 15. Patient who has received pelvic radiation 16. Patient with any condition, which could lead to significant postoperative complications, including current infection and uncontrolled diabetes. 17. Patient who is morbidly obese (defined as BMI \> 32 Kg/m2) 18. Patient who is bedridden, institutionalized or in such physical condition that she cannot move to the closest bathroom without assistance from another person 19. Patient with current or acute urinary tract infection, including cystitis or urethritis. (Patient with such infections should be treated with antibiotics, with subsequent urinalysis tests confirming the absence of such infection before study inclusion) 20. Patient with any condition that would preclude treatment due to contraindications and/or warnings in the study product's labeling 21. Patient on concomitant medication with anticoagulant properties (e.g., Warfarin, Heparin, Aspirin, Nonsteroidal anti-inflammatory drugs (NSAIDs), except for cox-2 inhibitors) within two weeks prior to treatment 22. Patient on immunomodulatory therapy (suppressive or stimulatory) 23. Patient with a known allergy to bovine collagen 24. Patient with known lidocaine hypersensitivity or hypersensitivity to any anesthetics to be used during the treatment session/surgical procedure 25. Patient with a concurrent use of another study product within two weeks prior to study start, or who concurrently participate in any other clinical study 26. Any disease that in the opinion of the Investigator would make the patient unsuitable for the study 27. Patient with a life expectancy of less than 12 months

Design outcomes

Primary

MeasureTime frameDescription
Median Number of Incontinent Episodes During 24 Hoursbaseline, 1 month, 3 monthsThe study coordinator instructed the subject to keep record of any incontinence episodes during the 24-hour period prior to their baseline and follow-up visits.

Secondary

MeasureTime frameDescription
Bothersomenessbaseline, 1 month, 3 monthsThe bothersomeness refers to the question: On a scale of 1-10 (0 is not at all; 10 is intolerable), how badly does loss of urinary control bother you?
Median 24 Hour Pad Weightbaseline, 1 month, 3 monthsPrior to baseline and follow-up visits, the study coordinator weighed standard pads provided to the subject for the study time period. The study coordinator instructed the subject to bring in any pads used during the 24-hour period prior to baseline and follow up visits. The study coordinator recorded the 24-hour pad weights into the study dataset.
Blaivas-Groutz Anti-Incontinence Score at BaselinebaselineThe Blaivas-Groutz Anti-incontinence scale was used as a measure of urinary incontinence. This scale combines information on the number of incontinent episodes in a 24-hour period, 24-hour pad weights, and a qualitative rating by the patient into a single score ranging from 0 to 6. This score is then used to categorize incontinence as none (0), mild (1-2), moderate (3-4), or severe (5-6).
Blaivas-Groutz Anti-Incontinence Score at 1 Month1 month after treatmentThe Blaivas-Groutz Anti-incontinence scale was used as a measure of urinary incontinence. This scale combines information on the number of incontinent episodes in a 24-hour period, 24-hour pad weights, and a qualitative rating by the patient into a single score ranging from 0 to 6. This score is then used to categorize incontinence as none (0), mild (1-2), moderate (3-4), or severe (5-6).
Blaivas-Groutz Anti-Incontinence Score at 3 Months3 months after treatmentThe Blaivas-Groutz Anti-incontinence scale was used as a measure of urinary incontinence. This scale combines information on the number of incontinent episodes in a 24-hour period, 24-hour pad weights, and a qualitative rating by the patient into a single score ranging from 0 to 6. This score is then used to categorize incontinence as none (0), mild (1-2), moderate (3-4), or severe (5-6).
Mean Number of Pads Per Daybaseline, 1 month, 3 months
Postvoid Residualbaseline, 1 month, 3 months
Urine Culturebaseline, 1 month, 3 months
Urinary Urgency at BaselinebaselineUrinary urgency was measured by the Indevus Urgency Severity Scale (IUSS). The IUSS asks patients to assess the severity of 'urgency' at each void. The scale employs the following wording: Degree of urgency is meant to describe your urge to urinate. Sometimes you may feel a very strong urge to urinate and at other times, you may feel a milder urge prior to the onset of a toilet void. Rate this feeling by circling 0, 1, 2, or 3, defined as: 0: NONE - no urgency, 1: MILD - awareness of urgency, but it is easily tolerated and you can continue with your usual activity or tasks, 2: MODERATE - enough urgency discomfort that it interferes with or shortens your usual activity or tasks, 3: SEVERE - extreme urgency discomfort that abruptly stops all activity or tasks.
Urinary Urgency at 1 Month1 month after treatmentUrinary urgency was measured by the Indevus Urgency Severity Scale (IUSS). The IUSS asks patients to assess the severity of 'urgency' at each void. The scale employs the following wording: Degree of urgency is meant to describe your urge to urinate. Sometimes you may feel a very strong urge to urinate and at other times, you may feel a milder urge prior to the onset of a toilet void. Rate this feeling by circling 0, 1, 2, or 3, defined as: 0: NONE - no urgency, 1: MILD - awareness of urgency, but it is easily tolerated and you can continue with your usual activity or tasks, 2: MODERATE - enough urgency discomfort that it interferes with or shortens your usual activity or tasks, 3: SEVERE - extreme urgency discomfort that abruptly stops all activity or tasks.
Urinary Urgency at 3 Months3 months after treatmentUrinary urgency was measured by the Indevus Urgency Severity Scale (IUSS). The IUSS asks patients to assess the severity of 'urgency' at each void. The scale employs the following wording: Degree of urgency is meant to describe your urge to urinate. Sometimes you may feel a very strong urge to urinate and at other times, you may feel a milder urge prior to the onset of a toilet void. Rate this feeling by circling 0, 1, 2, or 3, defined as: 0: NONE - no urgency, 1: MILD - awareness of urgency, but it is easily tolerated and you can continue with your usual activity or tasks, 2: MODERATE - enough urgency discomfort that it interferes with or shortens your usual activity or tasks, 3: SEVERE - extreme urgency discomfort that abruptly stops all activity or tasks.
Median Urogenital Distress Inventory (UDI-6) Scoresbaseline, 1 month, 3 monthsThe UDI-6 was one measure of urinary-associated quality of life. The UDI-6 questionnaire has 6 items, scored from 0 (not at all) to 3 (greatly), with total scores ranging from 0 to 18, a higher score indicating greater distress.
Incontinence Impact Questionnaire-short Form (IIQ-7) Scoresbaseline, 1 month, 3 monthsThe IIQ-7 was one measure of urinary-associated quality of life. The IIQ-7 questionnaire has 7 items, scored from 0 (not at all) to 3 (greatly), with total scores ranging from 0 to 21, a higher score indicating greater distress.

Countries

United States

Participant flow

Recruitment details

Subjects were recruited from November 2006 to March 2009 at Mayo Clinic in Jacksonville, Florida.

Participants by arm

ArmCount
Botox/DMSO Solution
Subjects received Botulinum-A toxin and Dimethyl sulfoxide solution. The first 3 subjects in Phase 1 underwent bladder instillation of 50 cc of the solution utilizing 200 units of botulinum-A toxin and 50cc DMSO. The next 6 subjects in the Phase 1 trial received 300 units of botulinum-A toxin and 50cc DMSO. The 6 subjects in the Phase 1 trial who received 300 units of botulinum-A toxin and 50cc DMSO also continued in the Phase 2 trial. All subjects in the Phase 2 trial received 300 units of botulinum-A toxin and 50cc DMSO. Botulinum-A toxin: A simple bladder catheterization in the office with a standard urinary catheter and instill the Botulinum-A toxin/DMSO solution. Dimethyl sulfoxide (DMSO): Subjects received 50 cc of DMSO in an aqueous solution for intravesical instillation with botulinum-A toxin. Each cc contained 0.54 gm DMSO.
25
Total25

Withdrawals & dropouts

PeriodReasonFG000
Phase 2Withdrawal by Subject1

Baseline characteristics

CharacteristicBotox/DMSO Solution
Age, Continuous74 years
Body Mass Index26.6 kg/m^2
Region of Enrollment
United States
25 participants
Sex: Female, Male
Female
25 Participants
Sex: Female, Male
Male
0 Participants

Adverse events

Event typeEG000
affected / at risk
deaths
Total, all-cause mortality
— / —
other
Total, other adverse events
18 / 25
serious
Total, serious adverse events
0 / 25

Outcome results

Primary

Median Number of Incontinent Episodes During 24 Hours

The study coordinator instructed the subject to keep record of any incontinence episodes during the 24-hour period prior to their baseline and follow-up visits.

Time frame: baseline, 1 month, 3 months

ArmMeasureGroupValue (MEDIAN)
Botox/DMSO SolutionMedian Number of Incontinent Episodes During 24 HoursBaseline4 number of incontinent episodes
Botox/DMSO SolutionMedian Number of Incontinent Episodes During 24 Hours1 month2 number of incontinent episodes
Botox/DMSO SolutionMedian Number of Incontinent Episodes During 24 Hours3 months4 number of incontinent episodes
Comparison: P value change from baseline at one monthp-value: 0.004Wilcoxon (Mann-Whitney)
Comparison: P value change from baseline to 3 monthsp-value: 0.81Wilcoxon (Mann-Whitney)
Secondary

Blaivas-Groutz Anti-Incontinence Score at 1 Month

The Blaivas-Groutz Anti-incontinence scale was used as a measure of urinary incontinence. This scale combines information on the number of incontinent episodes in a 24-hour period, 24-hour pad weights, and a qualitative rating by the patient into a single score ranging from 0 to 6. This score is then used to categorize incontinence as none (0), mild (1-2), moderate (3-4), or severe (5-6).

Time frame: 1 month after treatment

ArmMeasureGroupValue (NUMBER)
Botox/DMSO SolutionBlaivas-Groutz Anti-Incontinence Score at 1 MonthNone1 participants (per category)
Botox/DMSO SolutionBlaivas-Groutz Anti-Incontinence Score at 1 MonthMild5 participants (per category)
Botox/DMSO SolutionBlaivas-Groutz Anti-Incontinence Score at 1 MonthModerate5 participants (per category)
Botox/DMSO SolutionBlaivas-Groutz Anti-Incontinence Score at 1 MonthSevere10 participants (per category)
Comparison: P value change from baselinep-value: 0.005Wilcoxon (Mann-Whitney)
Secondary

Blaivas-Groutz Anti-Incontinence Score at 3 Months

The Blaivas-Groutz Anti-incontinence scale was used as a measure of urinary incontinence. This scale combines information on the number of incontinent episodes in a 24-hour period, 24-hour pad weights, and a qualitative rating by the patient into a single score ranging from 0 to 6. This score is then used to categorize incontinence as none (0), mild (1-2), moderate (3-4), or severe (5-6).

Time frame: 3 months after treatment

ArmMeasureGroupValue (NUMBER)
Botox/DMSO SolutionBlaivas-Groutz Anti-Incontinence Score at 3 MonthsModerate6 participants (per category)
Botox/DMSO SolutionBlaivas-Groutz Anti-Incontinence Score at 3 MonthsNone0 participants (per category)
Botox/DMSO SolutionBlaivas-Groutz Anti-Incontinence Score at 3 MonthsMild2 participants (per category)
Botox/DMSO SolutionBlaivas-Groutz Anti-Incontinence Score at 3 MonthsSevere13 participants (per category)
Comparison: P value change from baselinep-value: 0.22Wilcoxon (Mann-Whitney)
Secondary

Blaivas-Groutz Anti-Incontinence Score at Baseline

The Blaivas-Groutz Anti-incontinence scale was used as a measure of urinary incontinence. This scale combines information on the number of incontinent episodes in a 24-hour period, 24-hour pad weights, and a qualitative rating by the patient into a single score ranging from 0 to 6. This score is then used to categorize incontinence as none (0), mild (1-2), moderate (3-4), or severe (5-6).

Time frame: baseline

ArmMeasureGroupValue (NUMBER)
Botox/DMSO SolutionBlaivas-Groutz Anti-Incontinence Score at BaselineNone0 participants (per category)
Botox/DMSO SolutionBlaivas-Groutz Anti-Incontinence Score at BaselineMild4 participants (per category)
Botox/DMSO SolutionBlaivas-Groutz Anti-Incontinence Score at BaselineModerate1 participants (per category)
Botox/DMSO SolutionBlaivas-Groutz Anti-Incontinence Score at BaselineSevere16 participants (per category)
Secondary

Bothersomeness

The bothersomeness refers to the question: On a scale of 1-10 (0 is not at all; 10 is intolerable), how badly does loss of urinary control bother you?

Time frame: baseline, 1 month, 3 months

ArmMeasureGroupValue (MEDIAN)
Botox/DMSO SolutionBothersomeness3 months5 units on a scale
Botox/DMSO SolutionBothersomenessBaseline9 units on a scale
Botox/DMSO SolutionBothersomeness1 month5 units on a scale
Comparison: P value change from baseline to one monthp-value: 0.001Wilcoxon (Mann-Whitney)
Comparison: P value change from baseline to 3 monthsp-value: <0.001Wilcoxon (Mann-Whitney)
Secondary

Incontinence Impact Questionnaire-short Form (IIQ-7) Scores

The IIQ-7 was one measure of urinary-associated quality of life. The IIQ-7 questionnaire has 7 items, scored from 0 (not at all) to 3 (greatly), with total scores ranging from 0 to 21, a higher score indicating greater distress.

Time frame: baseline, 1 month, 3 months

ArmMeasureGroupValue (MEDIAN)
Botox/DMSO SolutionIncontinence Impact Questionnaire-short Form (IIQ-7) ScoresBaseline13 units on a scale
Botox/DMSO SolutionIncontinence Impact Questionnaire-short Form (IIQ-7) Scores3 months6 units on a scale
Botox/DMSO SolutionIncontinence Impact Questionnaire-short Form (IIQ-7) Scores1 month7 units on a scale
Comparison: P value change from baseline to 1 month.p-value: 0.007Wilcoxon (Mann-Whitney)
Comparison: P value change from baseline to 3 monthsp-value: 0.002Wilcoxon (Mann-Whitney)
Secondary

Mean Number of Pads Per Day

Time frame: baseline, 1 month, 3 months

ArmMeasureGroupValue (MEAN)
Botox/DMSO SolutionMean Number of Pads Per DayBaseline4 pads per day
Botox/DMSO SolutionMean Number of Pads Per Day1 month3 pads per day
Botox/DMSO SolutionMean Number of Pads Per Day3 months3 pads per day
Comparison: P value change from baseline to 1 monthp-value: 0.24Wilcoxon (Mann-Whitney)
Comparison: P value change from baseline to 3 monthsp-value: 0.14Wilcoxon (Mann-Whitney)
Secondary

Median 24 Hour Pad Weight

Prior to baseline and follow-up visits, the study coordinator weighed standard pads provided to the subject for the study time period. The study coordinator instructed the subject to bring in any pads used during the 24-hour period prior to baseline and follow up visits. The study coordinator recorded the 24-hour pad weights into the study dataset.

Time frame: baseline, 1 month, 3 months

ArmMeasureGroupValue (MEDIAN)
Botox/DMSO SolutionMedian 24 Hour Pad Weight3 months55 g
Botox/DMSO SolutionMedian 24 Hour Pad WeightBaseline135 g
Botox/DMSO SolutionMedian 24 Hour Pad Weight1 month46 g
Comparison: P value change from baseline to 1 monthp-value: 0.21Wilcoxon (Mann-Whitney)
Comparison: P value change from baseline to 3 monthsp-value: 0.43Wilcoxon (Mann-Whitney)
Secondary

Median Urogenital Distress Inventory (UDI-6) Scores

The UDI-6 was one measure of urinary-associated quality of life. The UDI-6 questionnaire has 6 items, scored from 0 (not at all) to 3 (greatly), with total scores ranging from 0 to 18, a higher score indicating greater distress.

Time frame: baseline, 1 month, 3 months

ArmMeasureGroupValue (MEDIAN)
Botox/DMSO SolutionMedian Urogenital Distress Inventory (UDI-6) ScoresBaseline10 units on a scale
Botox/DMSO SolutionMedian Urogenital Distress Inventory (UDI-6) Scores1 month5 units on a scale
Botox/DMSO SolutionMedian Urogenital Distress Inventory (UDI-6) Scores3 months6 units on a scale
Comparison: P value change from baseline to 1 monthp-value: 0.003Wilcoxon (Mann-Whitney)
Comparison: P value change from baseline to 3 months.p-value: 0.001Wilcoxon (Mann-Whitney)
Secondary

Postvoid Residual

Time frame: baseline, 1 month, 3 months

ArmMeasureGroupValue (MEDIAN)
Botox/DMSO SolutionPostvoid ResidualBaseline8 mL
Botox/DMSO SolutionPostvoid Residual1 month19 mL
Botox/DMSO SolutionPostvoid Residual3 months24 mL
Comparison: P value change from baseline to 1 monthp-value: 0.24Wilcoxon (Mann-Whitney)
Comparison: P value change from baseline to 3 monthsp-value: 0.033Wilcoxon (Mann-Whitney)
Secondary

Urinary Urgency at 1 Month

Urinary urgency was measured by the Indevus Urgency Severity Scale (IUSS). The IUSS asks patients to assess the severity of 'urgency' at each void. The scale employs the following wording: Degree of urgency is meant to describe your urge to urinate. Sometimes you may feel a very strong urge to urinate and at other times, you may feel a milder urge prior to the onset of a toilet void. Rate this feeling by circling 0, 1, 2, or 3, defined as: 0: NONE - no urgency, 1: MILD - awareness of urgency, but it is easily tolerated and you can continue with your usual activity or tasks, 2: MODERATE - enough urgency discomfort that it interferes with or shortens your usual activity or tasks, 3: SEVERE - extreme urgency discomfort that abruptly stops all activity or tasks.

Time frame: 1 month after treatment

ArmMeasureGroupValue (NUMBER)
Botox/DMSO SolutionUrinary Urgency at 1 MonthNone0 participants (per category)
Botox/DMSO SolutionUrinary Urgency at 1 MonthMild13 participants (per category)
Botox/DMSO SolutionUrinary Urgency at 1 MonthModerate7 participants (per category)
Botox/DMSO SolutionUrinary Urgency at 1 MonthSevere1 participants (per category)
Comparison: P value change from baseline to one monthp-value: <0.001Wilcoxon (Mann-Whitney)
Secondary

Urinary Urgency at 3 Months

Urinary urgency was measured by the Indevus Urgency Severity Scale (IUSS). The IUSS asks patients to assess the severity of 'urgency' at each void. The scale employs the following wording: Degree of urgency is meant to describe your urge to urinate. Sometimes you may feel a very strong urge to urinate and at other times, you may feel a milder urge prior to the onset of a toilet void. Rate this feeling by circling 0, 1, 2, or 3, defined as: 0: NONE - no urgency, 1: MILD - awareness of urgency, but it is easily tolerated and you can continue with your usual activity or tasks, 2: MODERATE - enough urgency discomfort that it interferes with or shortens your usual activity or tasks, 3: SEVERE - extreme urgency discomfort that abruptly stops all activity or tasks.

Time frame: 3 months after treatment

ArmMeasureGroupValue (NUMBER)
Botox/DMSO SolutionUrinary Urgency at 3 MonthsMild11 participants (per category)
Botox/DMSO SolutionUrinary Urgency at 3 MonthsNone0 participants (per category)
Botox/DMSO SolutionUrinary Urgency at 3 MonthsModerate7 participants (per category)
Botox/DMSO SolutionUrinary Urgency at 3 MonthsSevere3 participants (per category)
Comparison: P value change from baselinep-value: 0.004Wilcoxon (Mann-Whitney)
Secondary

Urinary Urgency at Baseline

Urinary urgency was measured by the Indevus Urgency Severity Scale (IUSS). The IUSS asks patients to assess the severity of 'urgency' at each void. The scale employs the following wording: Degree of urgency is meant to describe your urge to urinate. Sometimes you may feel a very strong urge to urinate and at other times, you may feel a milder urge prior to the onset of a toilet void. Rate this feeling by circling 0, 1, 2, or 3, defined as: 0: NONE - no urgency, 1: MILD - awareness of urgency, but it is easily tolerated and you can continue with your usual activity or tasks, 2: MODERATE - enough urgency discomfort that it interferes with or shortens your usual activity or tasks, 3: SEVERE - extreme urgency discomfort that abruptly stops all activity or tasks.

Time frame: baseline

ArmMeasureGroupValue (NUMBER)
Botox/DMSO SolutionUrinary Urgency at BaselineNone0 participants (per category)
Botox/DMSO SolutionUrinary Urgency at BaselineMild2 participants (per category)
Botox/DMSO SolutionUrinary Urgency at BaselineModerate8 participants (per category)
Botox/DMSO SolutionUrinary Urgency at BaselineSevere11 participants (per category)
Secondary

Urine Culture

Time frame: baseline, 1 month, 3 months

ArmMeasureGroupValue (NUMBER)
Botox/DMSO SolutionUrine Culture1 month negative16 participants
Botox/DMSO SolutionUrine Culture1 month positive5 participants
Botox/DMSO SolutionUrine Culture3 months negative13 participants
Botox/DMSO SolutionUrine Culture3 months positive8 participants
Botox/DMSO SolutionUrine Culturebaseline negative16 participants
Botox/DMSO SolutionUrine Culturebaseline positive5 participants
Comparison: P value change from baseline to 1 monthp-value: >0.99Exact binomial sign test
Comparison: P value change from baseline to 3 monthsp-value: 0.25exact binomial sign test

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026