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Study terminated early due to PI's extended medical leave.
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The purpose of this study is to determine whether women with overactive bladder (OAB) who receive direct instillation via a catheter of a Botulinum-A Toxin (Botox) with Dimethyl Sulfoxide (DMSO) solution experience significantly better improvement of their OAB symptoms when compared to a similar group of women with OAB who receive instillation of DMSO only.
The primary objective of this study is to evaluate the efficacy of catheter-based instillation of a solution of Botox/DMSO as a novel method for treating women with overactive bladder (OAB) and secondary urinary incontinence who have failed oral pharmacologic therapy. This study will test the broad hypothesis that administration of Botox/DMSO instillations into the bladder with a urethral catheter can significantly improve symptoms and quality of life in patients with OAB when compared to DMSO installations alone. Explicitly, we hypothesize that scores on the validated Incontinence Quality of Life (I-QOL) questionnaire of women with OAB who receive Botox/DMSO instillation will be much improved at three-month follow-up compared to similar women receiving DMSO instillation alone. Our long-term goal is to offer women with detrusor hyperreflexia or OAB a less invasive alternative to surgery and an alternative to anticholinergic by mouth medications. In support of this effort, we are proposing a randomized, double-blind, placebo controlled clinical trial to be conducted in the Department of Urology at Mayo Clinic, Jacksonville, Florida.
Note: The study was terminated early in July of 2011 due to an extended medical absence of the Principal Investigator.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Botox and DMSO instillation | Experimental | Botulinum-A Toxin (Botox) 300 units in 50 cubic centimeters of Dimethyl Sulfoxide (DMSO) 50% w/w aqueous solution |
|
| DMSO instillation | Placebo Comparator | Dimethyl Sulfoxide (DMSO) 50% w/w aqueous solution, 50 cubic centimeters |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Botox Instillation | Drug | Botox instilled into the bladder via ureteral catheter and retained for up to 30 minutes then spontaneously voided. |
|
| Measure | Description | Time Frame |
|---|---|---|
| Change in Incontinence Quality of Life (I-QoL) Score | The I-QoL measures the effect of urinary incontinence on quality of life. It is divided into 3 subscales: 1) avoidance and limiting behavior, 2) psychosocial impact, and 3) social embarrassment. The I-QOL is comprised of 22 items, each with the response scale from '1= Extremely' to '5= Not at all'. A mean score for each subscale is calculated (averaging the scores for the items in each subscale) as well as a total score for all 22 items (sum of all subscale scores). The scores are then transformed to a 'Scale score' ranging from 0-100 points for ease of interpretation: Scale score = (sum of the items - lowest possible score)/possible raw score range X 100. Higher scores indicate less impact of incontinence on quality of life. | Baseline, 1 month, 3 months |
| Measure | Description | Time Frame |
|---|---|---|
| Change in Incontinence Impact Questionnaire Short Form (IIQ-7) | The IIQ-7 measures the effect of urinary incontinence on quality of life. It is comprised of 7 items, each with the response scale from "0=Not at all" to "3=Greatly." The scores can range from 0 to 21; a low score indicates less impact of incontinence on quality of life. | baseline, 1 month, 3 months |
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Inclusion Criteria:
Exclusion Criteria:
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| Name | Affiliation | Role |
|---|---|---|
| Steven P Petrou, MD | Mayo Clinic | Principal Investigator |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Mayo Clinic | Jacksonville | Florida | 32224 | United States |
| PubMed Identifier | Type | Citation | Retractions |
|---|---|---|---|
| 19648387 | Background | Petrou SP, Parker AS, Crook JE, Rogers A, Metz-Kudashick D, Thiel DD. Botulinum a toxin/dimethyl sulfoxide bladder instillations for women with refractory idiopathic detrusor overactivity: a phase 1/2 study. Mayo Clin Proc. 2009 Aug;84(8):702-6. doi: 10.4065/84.8.702. |
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A total of 25 subjects were recruited from 10/21/2008 to 8/19/2010. Three of these were determined to be screen failures before randomization, and another one was withdrawn prior to randomization. Twenty one subjects were randomized: 11 to Botox/DMSO, and 10 to DMSO only.
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| ID | Title | Description |
|---|---|---|
| FG000 | Botox and DMSO Instillation | Botulinum-A Toxin (Botox) 300 units in 50 cubic centimeters of Dimethyl Sulfoxide (DMSO) 50% w/w aqueous solution Botox Instillation: Botox instilled into the bladder via ureteral catheter and retained for up to 30 minutes then spontaneously voided. DMSO Instillation: DMSO 50% w/w aqueous solution; 50 cubic centimeters instilled into the bladder via ureteral catheter and retained up to 30 minutes then spontaneously voided. |
| FG001 | DMSO Instillation | Dimethyl Sulfoxide (DMSO) 50% w/w aqueous solution, 50 cubic centimeters DMSO Instillation: DMSO 50% w/w aqueous solution; 50 cubic centimeters instilled into the bladder via ureteral catheter and retained up to 30 minutes then spontaneously voided. |
| Title | Milestones | Reasons Not Completed | ||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Overall Study |
|
|
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| ID | Title | Description |
|---|---|---|
| BG000 | Botox and DMSO Instillation | Botulinum-A Toxin (Botox) 300 units in 50 cubic centimeters of Dimethyl Sulfoxide (DMSO) 50% w/w aqueous solution Botox Instillation: Botox instilled into the bladder via ureteral catheter and retained for up to 30 minutes then spontaneously voided. DMSO Instillation: DMSO 50% w/w aqueous solution; 50 cubic centimeters instilled into the bladder via ureteral catheter and retained up to 30 minutes then spontaneously voided. |
| Units | Counts |
|---|---|
| Participants |
|
| Title | Description | Population Description | Parameter Type | Dispersion Type | Unit of Measure | Calculate Percentage | Denominator Units Selected | Denominators | Classes |
|---|---|---|---|---|---|---|---|---|---|
| Age, Continuous | Median |
| Type | Title | Description | Population Description | Reporting Status | Anticipated Posting Date | Parameter Type | Dispersion Type | Unit of Measure | Calculate Percentage | Time Frame | Units Analyzed | Denominator Units Selected | Arm/Group Information | Denominators | Classes | Analyses |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Primary | Change in Incontinence Quality of Life (I-QoL) Score | The I-QoL measures the effect of urinary incontinence on quality of life. It is divided into 3 subscales: 1) avoidance and limiting behavior, 2) psychosocial impact, and 3) social embarrassment. The I-QOL is comprised of 22 items, each with the response scale from '1= Extremely' to '5= Not at all'. A mean score for each subscale is calculated (averaging the scores for the items in each subscale) as well as a total score for all 22 items (sum of all subscale scores). The scores are then transformed to a 'Scale score' ranging from 0-100 points for ease of interpretation: Scale score = (sum of the items - lowest possible score)/possible raw score range X 100. Higher scores indicate less impact of incontinence on quality of life. | Analysis was done according to the principle of intention-to-treat. The sample size was reduced to 9 in the Dimethyl Sulfoxide (DMSO) instillation arm at 3 months due to withdrawal for reasons unrelated to study (cancer). | Posted | Mean | Standard Deviation | units on a scale | Baseline, 1 month, 3 months |
|
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| ID | Title | Description | Deaths (Affected) | Deaths (At Risk) | Serious Events (Affected) | Serious Events (At Risk) | Other Events (Affected) | Other Events (At Risk) |
|---|---|---|---|---|---|---|---|---|
| EG000 | Botox and DMSO Instillation | Botulinum-A Toxin (Botox) 300 units in 50 cubic centimeters of Dimethyl Sulfoxide (DMSO) 50% w/w aqueous solution Botox Instillation: Botox instilled into the bladder via ureteral catheter and retained for up to 30 minutes then spontaneously voided. DMSO Instillation: DMSO 50% w/w aqueous solution; 50 cubic centimeters instilled into the bladder via ureteral catheter and retained up to 30 minutes then spontaneously voided. |
| Term | Organ System | Source Vocabulary | Assessment Type | Notes | Statistical Information |
|---|---|---|---|---|---|
| Hospitalization for body jerking and termons due to oligodendroglioma. | Nervous system disorders | Systematic Assessment |
| Term | Organ System | Source Vocabulary | Assessment Type | Notes | Statistical Information |
|---|---|---|---|---|---|
| Urinary Tract Infection | Infections and infestations | Systematic Assessment |
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| Title | Organization | Phone | Extension | |
|---|---|---|---|---|
| Dr. Steven P. Petrou | Mayo Clinic | 904-953-7330 | peterou.steven@mayo.edu |
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| ID | Term |
|---|---|
| D053201 | Urinary Bladder, Overactive |
| D053202 | Urinary Incontinence, Urge |
| D014549 | Urinary Incontinence |
| ID | Term |
|---|---|
| D001745 | Urinary Bladder Diseases |
| D014570 | Urologic Diseases |
| D052776 | Female Urogenital Diseases |
| D005261 | Female Urogenital Diseases and Pregnancy Complications |
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| ID | Term |
|---|---|
| D019274 | Botulinum Toxins, Type A |
| D004121 | Dimethyl Sulfoxide |
| ID | Term |
|---|---|
| D001905 | Botulinum Toxins |
| D008666 | Metalloendopeptidases |
| D010450 | Endopeptidases |
| D010447 | Peptide Hydrolases |
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|
| DMSO Instillation | Drug | DMSO 50% w/w aqueous solution; 50 cubic centimeters instilled into the bladder via ureteral catheter and retained up to 30 minutes then spontaneously voided. |
|
|
| Change in International Consultation on Incontinence Questionnaire - Short Form Score (ICIQ-SF) | The ICIQ-SF provides a brief and robust measure to assess the impact of symptoms of incontinence on quality of life and outcome of treatment. The questionnaire has 4 items and the score can range from 0 to 21, with greater values indicating increased severity of symptoms and lower quality of life. | baseline, 1 month, 3 months |
| Change in Urogenital Distress Inventory (UDI-6) | The UDI-6 measures the effect of urinary incontinence on quality of life. It consists of 6 items, each with the response scale from "0=Not at all" to "3=Greatly." The scores can range from 0 to 18; a low score indicates less impact of incontinence on quality of life. | baseline, 1 month, 3 months |
| Number of Participants With Decrease in Blaivas-Groutz Anti-Incontinence Score at 1 Month and 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). | baseline, 1 month, 3 months |
| Number of Participants With a Decrease in Urinary Urgency at 1 Month and 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." | Baseline, 1 month, 3 months |
| BG001 | DMSO Instillation | Dimethyl Sulfoxide (DMSO) 50% w/w aqueous solution, 50 cubic centimeters DMSO Instillation: DMSO 50% w/w aqueous solution; 50 cubic centimeters instilled into the bladder via ureteral catheter and retained up to 30 minutes then spontaneously voided. |
| BG002 | Total | Total of all reporting groups |
| years |
|
| Sex: Female, Male | Count of Participants | Participants |
|
| Region of Enrollment | Number | participants |
|
| Smoking Status | Number | participants |
|
| History of Hypertension | Number | participants |
|
| History of Urinary Tract Infections (UTIs) | Number | participants |
|
| Number of Vaginal Births | Number | participants |
|
| Body Mass Index | Body Mass Index (BMI) is a health index for comparing weight to height. BMI is a person's weight in kilograms (kg) divided by his or her height in meters squared. The body mass index is an indication if a person is at a suitable weight for his height on an approximation of body fat. A body mass index of under 20 is considered to be underweight, while a body mass index between 20 to 25 is considered healthy. A body mass index in the range of 25 to 30 is regarded as overweight. A body mass index over 30 is regarded as obese. | Median | Full Range | kg/m^2 |
|
| Post-Void Residual Urine | Median | Full Range | mL |
|
| 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 visit. | Median | Full Range | Episodes |
|
| Median 24 Hour Pad Weight | Prior to the baseline visit, 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 the baseline visit. The study coordinator recorded the 24-hour pad weight into the study dataset. | Median | Full Range | g |
|
| Median Number of Pads Per Day | Median | Full Range | pads |
|
| OG000 | Botox and DMSO Instillation | Botulinum-A Toxin (Botox) 300 units in 50 cubic centimeters of Dimethyl Sulfoxide (DMSO) 50% w/w aqueous solution Botox Instillation: Botox instilled into the bladder via ureteral catheter and retained for up to 30 minutes then spontaneously voided. DMSO Instillation: DMSO 50% w/w aqueous solution; 50 cubic centimeters instilled into the bladder via ureteral catheter and retained up to 30 minutes then spontaneously voided. |
| OG001 | DMSO Instillation | Dimethyl Sulfoxide (DMSO) 50% w/w aqueous solution, 50 cubic centimeters DMSO Instillation: DMSO 50% w/w aqueous solution; 50 cubic centimeters instilled into the bladder via ureteral catheter and retained up to 30 minutes then spontaneously voided. |
|
|
|
| Secondary | Change in Incontinence Impact Questionnaire Short Form (IIQ-7) | The IIQ-7 measures the effect of urinary incontinence on quality of life. It is comprised of 7 items, each with the response scale from "0=Not at all" to "3=Greatly." The scores can range from 0 to 21; a low score indicates less impact of incontinence on quality of life. | Analysis was done according to the principle of intention-to-treat. The sample size was reduced to 9 in the Dimethyl Sulfoxide (DSMO) instillation arm at 3 months due to withdrawal for reasons unrelated to study (cancer). | Posted | Mean | Standard Deviation | units on a scale | baseline, 1 month, 3 months |
|
|
|
|
| Secondary | Change in International Consultation on Incontinence Questionnaire - Short Form Score (ICIQ-SF) | The ICIQ-SF provides a brief and robust measure to assess the impact of symptoms of incontinence on quality of life and outcome of treatment. The questionnaire has 4 items and the score can range from 0 to 21, with greater values indicating increased severity of symptoms and lower quality of life. | Analysis was done according to the principle of intention-to-treat. The sample size was reduced to 9 in the DSMO instillation arm at 3 months due to withdrawal for reasons unrelated to study (cancer). | Posted | Mean | Standard Deviation | units on a scale | baseline, 1 month, 3 months |
|
|
|
|
| Secondary | Change in Urogenital Distress Inventory (UDI-6) | The UDI-6 measures the effect of urinary incontinence on quality of life. It consists of 6 items, each with the response scale from "0=Not at all" to "3=Greatly." The scores can range from 0 to 18; a low score indicates less impact of incontinence on quality of life. | Analysis was done according to the principle of intention-to-treat. The sample size was reduced to 9 in the DSMO instillation arm at 3 months due to withdrawal for reasons unrelated to study (cancer). | Posted | Mean | Standard Deviation | units on a scale | baseline, 1 month, 3 months |
|
|
|
|
| Secondary | Number of Participants With Decrease in Blaivas-Groutz Anti-Incontinence Score at 1 Month and 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). | Analysis was done according to the principle of intention-to-treat. The sample size was reduced to 9 in the DSMO instillation arm at 3 months due to withdrawal for reasons unrelated to study (cancer). | Posted | Number | participants | baseline, 1 month, 3 months |
|
|
|
|
| Secondary | Number of Participants With a Decrease in Urinary Urgency at 1 Month and 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." | Analysis was done according to the principle of intention-to-treat. The sample size was reduced to 9 in the DSMO instillation arm at 3 months due to withdrawal for reasons unrelated to study (cancer). | Posted | Number | participants | Baseline, 1 month, 3 months |
|
|
|
|
| 0 |
| 11 |
| 6 |
| 11 |
| EG001 | DMSO Instillation | Dimethyl Sulfoxide (DMSO) 50% w/w aqueous solution, 50 cubic centimeters DMSO Instillation: DMSO 50% w/w aqueous solution; 50 cubic centimeters instilled into the bladder via ureteral catheter and retained up to 30 minutes then spontaneously voided. | 2 | 10 | 7 | 10 |
| Hospitalization for joint pain due to infection | Infections and infestations | Systematic Assessment |
|
| Hospitalization for tibial ulcer | Infections and infestations | Systematic Assessment |
|
| High Blood Pressue | Cardiac disorders | Systematic Assessment |
|
| Rash | Skin and subcutaneous tissue disorders | Systematic Assessment |
|
| Had fall, unable to walk | Injury, poisoning and procedural complications | Systematic Assessment |
|
| Bladder spasms after instillation | Renal and urinary disorders | Systematic Assessment |
|
| Swollen ankles | Blood and lymphatic system disorders | Systematic Assessment |
|
| Nose Bleed | Blood and lymphatic system disorders | Systematic Assessment |
|
| Left Distal Radius Fracture from a Twist and Fall | Injury, poisoning and procedural complications | Systematic Assessment |
|
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| D000091642 | Urogenital Diseases |
| D052801 | Male Urogenital Diseases |
| D059411 | Lower Urinary Tract Symptoms |
| D020924 | Urological Manifestations |
| D012816 | Signs and Symptoms |
| D013568 | Pathological Conditions, Signs and Symptoms |
| D014555 | Urination Disorders |
| D006867 |
| Hydrolases |
| D004798 | Enzymes |
| D045762 | Enzymes and Coenzymes |
| D045726 | Metalloproteases |
| D001426 | Bacterial Proteins |
| D011506 | Proteins |
| D000602 | Amino Acids, Peptides, and Proteins |
| D001427 | Bacterial Toxins |
| D014118 | Toxins, Biological |
| D001685 | Biological Factors |
| D013454 | Sulfoxides |
| D013457 | Sulfur Compounds |
| D009930 | Organic Chemicals |
| 0.12 |
| No |
| Superiority or Other |
| 0.15 |
| No |
| Superiority or Other |
| 0.77 |
| No |
| Superiority or Other |
| 0.20 |
| No |
| Superiority or Other |
| 0.038 |
| No |
| Superiority or Other |