- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT04819360
Botulinum Toxin A vs Anticholinergic Treatment of Neurogenic Overactive Bladder in Patients With Multiple Sclerosis (SEPTOX)
Injections of Botulinum Toxin A or Anticholinergic Treatment as First Line Therapy to Treat Neurogenic Overactive Bladder in Patients With Multiple Sclerosis
Botulinum toxin type A injections into the detrusor at a dose of 200 units (U) of BOTOX® are a recognized second-line treatment for the treatment of adult neurogenic lower urinary tract disorders. Anticholinergics are established as the usual first-line treatment for neurogenic detrusor hyperactivity, but are oft not sufficiently effective and have significant side effects. In patients with multiple sclerosis (MS) suffering from overactive bladder, the 200 U dose of BOTOX® is very effective but induces a risk of urinary retention in 30% of patients requiring the temporary use of self-catheterization1. At 100 U, a recent study shows the efficacy and very good tolerance of botulinum toxin A in terms of probing risk in MS patients with overactive bladder and failure of anticholinergics. Furthermore, the efficacy of anticholinergics in MS has been little studied and is also disputed.
The investigators plan to test the therapeutic alternative as the first line of treatment in two groups of randomized MS patients from a homogeneous population suffering from overactive bladder:
- a group testing the effectiveness of low doses of botulinum toxin type A (100 U, BOTOX®),
- the other group receiving the standard anticholinergic treatment (solifenacin succinate, Vesicare®).
During this pilot study, the efficacy and side effects profile of each treatment will be analyzed in order to determine the amplitudes of effect and the safety profiles in this population and in order to establish the statistical hypotheses for a subsequent randomized multicenter study. The aim of this study will be to establish the benefit of botulinum toxin at a dose of 100 U as a first-line treatment instead of anticholinergics
Study Overview
Status
Conditions
Intervention / Treatment
Detailed Description
Botulinum toxin type A (BOTOX®) injections will performed on an outpatient basis by cystoscopy under local anesthesia. Twenty minutes after an intravesical instillation of 20 ml of 0.2% ropivacaine, the botulinum toxin is injected into the detrusor muscle using a flexible injection needle at a rate of 10 U of BOTOX® per mL (10 points of 1 mL injections). Intravenous prophylaxis (cefuroxime 1.5 g) will be performed 30 minutes before the injections.
Patients in the Vesicare® arm will be given the tablets at the baseline visit to be taken once a day in the morning for 12 weeks. For this arm, there will be no antibiotic prophylaxis.
Randomization will be carried out via eCRF in the secuTrial® environment with an integrated Interactive Web Response System (IWRS) function allowing the allocation of a participant to one of the two intervention groups. Randomization will be carried out using a randomization table in blocks of 2, predefined without the knowledge of the investigator, respecting a balanced allocation between the two groups, necessary given the modest number of participants in the study.
The intensity of therapeutic responses for each treatment is not precisely known in this patient population. As a result, there are no reliable preliminary data which would allow the investigators to calculate under these "effect size" assumptions the necessary numbers of participants to be randomized between the two intervention groups in order to demonstrate a possible superiority of treatment by injection of BOTOX® 100 U in comparison to the reference anticholinergic treatment. The comparative study will therefore only be accessible after determining the intensity of these effects.
Within the framework of a pilot study not directly comparative of the therapeutic approaches but seeking to identify the amplitude of the effects obtained independently by the two treatments, it does not appear necessary to resort to a study design with "double-dummy" to leave the patient blind to the method used. Such an approach would require the use of a sham injection by cystoscopic route in the group treated with anticholinergics and would not appear ethical in this context.
Study Type
Enrollment (Anticipated)
Phase
- Phase 4
Contacts and Locations
Study Contact
- Name: Brigitte Schürch, Prof.
- Phone Number: +41795565677
- Email: brigitte.schurch@chuv.ch
Study Locations
-
-
-
Lausanne, Switzerland, 1011
- Recruiting
- Centre Hospitalier Universitaire Vaudois
-
Contact:
- Brigitte Schürch, Prof.MD
- Phone Number: +41795565677
- Email: brigitte.schurch@chuv.ch
-
Sub-Investigator:
- Nuno Grilo, MD
-
Sub-Investigator:
- Marie Theaudin, MD
-
Sub-Investigator:
- Helena Favre, MD
-
-
Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
- Patients with multiple sclerosis (MS) with neurogenic detrusor overactivity proven by urodynamics
- Stable MS with an Expanded Disability Severity Score (EDSS) less than or equal to 6.5
- Voluntary micturitions
- Number of micturitions > 8 per day, with or without episodes of urgency and urgency incontinence
- Signed informed consent form
Exclusion Criteria:
- Pregnancy, breastfeeding
- Patients requiring self-catheterizations
- Patients unable or unwilling to learn self-catheterisation
- Recent (<12 weeks) or current treatment with botulinum toxin for any non-urological indication
- Recent (≤ 8 weeks) or current treatment with anticholinergic drugs
- Patients with a positive history or evidence of pelvic / urological abnormality (interstitial cystitis, bladder lithiasis in the 6 months preceding the screening, or any other condition / operation affecting the bladder or prostate)
Any contraindication to Vesicare®:
- Hypersensitivity to the active ingredient or to one of the excipients
- Urinary retention
- Untreated narrow-angle glaucoma
- Severe gastrointestinal illness (e.g. toxic megacolon)
- Myasthenia gravis
- Severe hepatic failure
- Hemodialysis
- Severe renal failure, or liver function disturbances of moderate severity with concomitant treatment with a strong inhibitor of the CYP3A4 isoenzyme, including patients at risk for these diseases.
Any contraindication to BOTOX®:
- Known hypersensitivity to the active substance or to one of the excipients
- Presence of a symptomatic infection at the planned injection site(s)
- Urinary tract infection at the time of planned treatment
- Patients who present with acute urinary retention at the time of treatment and who do not regularly use bladder catheterization
- Patients who do not want and / or cannot, if necessary, perform self-intermittent catheterisation
Study Plan
How is the study designed?
Design Details
- Primary Purpose: TREATMENT
- Allocation: RANDOMIZED
- Interventional Model: PARALLEL
- Masking: NONE
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
ACTIVE_COMPARATOR: Vesicare
Group 1: will be treated with an anticholinergic (Vesicare® 10 mg per day for 12 weeks)
|
Vesicare® 10 mg per day for 12 weeks Vesicare 10mg 12 weeks
Other Names:
|
ACTIVE_COMPARATOR: Botox
Group 2: will receive an intra-detrusor injection of a low dose of botulinum toxin type A (100 U of BOTOX®).
|
1 injection of Botox® 100 UNT
Other Names:
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Magnitude of effect - Number of micturitions per 24h
Time Frame: 6 weeks
|
The difference in mean values of [the number of micturitions / 24 h for the last 3 days] at T0 (inclusion) and T6W (6 weeks after start of the treatment).
|
6 weeks
|
Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Other parameters of effects - Number of urgent urinations per 24h
Time Frame: 2, 6 and 12 weeks after treatment start
|
The difference in mean values of [the number of episodes of urgent urination / 24 h for the last 3 days] at T0 (inclusion) and T2W (2 weeks after start of the treatment). The difference in mean values of [the number of episodes of urgent urination / 24 h for the last 3 days] at T0 (inclusion) and T6W (6 weeks after start of the treatment). The difference in mean values of [the number of episodes of urgent urination / 24 h for the last 3 days] at T0 (inclusion) and T12W (12 weeks after start of the treatment). |
2, 6 and 12 weeks after treatment start
|
Other parameters of effects - Number of urgency urinary incontinence episodes per 24h
Time Frame: 2, 6 and 12 weeks after treatment start
|
The difference in mean values of [the number of urgency urinary incontinence episodes / 24 h for the last 3 days] at T0 (inclusion) and T2W (2 weeks after start of the treatment). The difference in mean values of [the number of urgency urinary incontinence episodes / 24 h for the last 3 days] at T0 (inclusion) and T6W (6 weeks after start of the treatment). The difference in mean values of [the number of urgency urinary incontinence episodes / 24 h for the last 3 days] at T0 (inclusion) and T12W (12 weeks after start of the treatment). |
2, 6 and 12 weeks after treatment start
|
Other parameters of effects - Number of nocturnal micturition episodes per 24h
Time Frame: 2, 6 and 12 weeks after treatment start
|
The difference in mean values of [the number of nocturnal micturition episodes / 24 h for the last 3 days] at T0 (inclusion) and T2W (2 weeks after start of the treatment). The difference in mean values of [the number of nocturnal micturition episodes / 24 h for the last 3 days] at T0 (inclusion) and T6W (6 weeks after start of the treatment). The difference in mean values of [the number of nocturnal micturition episodes / 24 h for the last 3 days] at T0 (inclusion) and T12W (12 weeks after start of the treatment). |
2, 6 and 12 weeks after treatment start
|
Other parameters of effects - Number of 100% dry patients
Time Frame: 6 and 12 weeks after treatment start
|
The difference in mean values of [the number of 100% dry patients / 24 h for the last 3 days] at T0 (inclusion) and T6W (6 weeks after start of the treatment). The difference in mean values of [the number of 100% dry patients / 24 h for the last 3 days] at T0 (inclusion) and T12W (12 weeks after start of the treatment). |
6 and 12 weeks after treatment start
|
Other parameters of effects - Urodynamic parameter : cystomanometric capacity
Time Frame: 6 weeks after treatment start
|
The difference in cystomanometric capacity at 6 weeks after the start of the treatment, as compared to inclusion values.
|
6 weeks after treatment start
|
Other parameters of effects - Urodynamic parameter : reflex volume at first contraction
Time Frame: 6 weeks after treatment start
|
The difference in reflex volume at first contraction at 6 weeks after the start of the treatment, as compared to inclusion values.
|
6 weeks after treatment start
|
Other parameters of effects - Urodynamic parameter : bladder compliance
Time Frame: 6 weeks after treatment start
|
Bladder compliance describes the relationship between change in bladder volume (ΔV) and change in detrusor pressure (Δpdet). Compliance is calculated by dividing the volume change (∆V) by the change in detrusor pressure (∆pdet) during that change in bladder volume (C= ΔV/∆pdet). It is expressed in ml/cm H2O. |
6 weeks after treatment start
|
Other parameters of effects - Urodynamic parameter : maximum detrusor pressure
Time Frame: 6 weeks after treatment start
|
The difference in maximum detrusor pressure at 6 weeks after the start of the treatment, as compared to inclusion values.
|
6 weeks after treatment start
|
Other parameters of effects - Urodynamic parameter : post-void residual after flowmetry
Time Frame: 6 weeks after treatment start
|
The difference in post-void residual after flowmetry at 6 weeks after the start of the treatment, as compared to inclusion values.
|
6 weeks after treatment start
|
Other Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Patients reported outcomes - Patients' satisfaction
Time Frame: 2, 6 and 12 weeks
|
Patients' satisfaction, measured by the Patient Global Impression of Improvement (PGI-I), at 2, 6 and 12 weeks after the start of the treatment, as compared to inclusion values.
|
2, 6 and 12 weeks
|
Patients reported outcomes - Patients' specific quality of life
Time Frame: 2, 6 and 12 weeks
|
Patients' specific quality of life, measured by the Urinary Incontinence Quality of Life Scale (I-QOL), at 2, 6 and 12 weeks after the start of the treatment, as compared to inclusion values.
|
2, 6 and 12 weeks
|
Patients reported outcomes - Subjective improvement
Time Frame: 2, 6 and 12 weeks
|
Patients' subjective improvement, measured by a Visual Analog Scale (VAS), at 2, 6 and 12 weeks after the start of the treatment, as compared to inclusion values.
|
2, 6 and 12 weeks
|
Security - Self-catheterizations
Time Frame: Any time during the 12 weeks of the trial
|
Need for self-catheterizations according to pre-specified criteria, at any time during the trial
|
Any time during the 12 weeks of the trial
|
Security - Urinary tract infections
Time Frame: Any time during the 12 weeks of the trial
|
Number of urinary tract infections episodes, at any time during the trial
|
Any time during the 12 weeks of the trial
|
Security - Adverse drug reactions due to anticholinergic drugs
Time Frame: Any time during the 12 weeks of the trial
|
Number of adverse drug reactions due to anticholinergic drugs, at any time during the trial
|
Any time during the 12 weeks of the trial
|
Security - Adverse drug reactions due to Botox
Time Frame: Any time during the 12 weeks of the trial
|
Number of adverse drug reactions due to Botox, at any time during the trial
|
Any time during the 12 weeks of the trial
|
Collaborators and Investigators
Sponsor
Collaborators
Investigators
- Principal Investigator: Brigitte Schürch, Prof., Centre Hospitalier Universitaire Vaudois
Publications and helpful links
Study record dates
Study Major Dates
Study Start (ACTUAL)
Primary Completion (ANTICIPATED)
Study Completion (ANTICIPATED)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (ACTUAL)
Study Record Updates
Last Update Posted (ACTUAL)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Additional Relevant MeSH Terms
- Pathologic Processes
- Nervous System Diseases
- Immune System Diseases
- Demyelinating Autoimmune Diseases, CNS
- Autoimmune Diseases of the Nervous System
- Demyelinating Diseases
- Autoimmune Diseases
- Urologic Diseases
- Urinary Bladder Diseases
- Lower Urinary Tract Symptoms
- Urological Manifestations
- Neurologic Manifestations
- Multiple Sclerosis
- Sclerosis
- Urinary Bladder, Overactive
- Urinary Bladder, Neurogenic
- Physiological Effects of Drugs
- Neurotransmitter Agents
- Molecular Mechanisms of Pharmacological Action
- Peripheral Nervous System Agents
- Muscarinic Antagonists
- Cholinergic Antagonists
- Cholinergic Agents
- Urological Agents
- Membrane Transport Modulators
- Acetylcholine Release Inhibitors
- Neuromuscular Agents
- Botulinum Toxins, Type A
- Solifenacin Succinate
Other Study ID Numbers
- SEPTOX
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Studies a U.S. FDA-regulated device product
product manufactured in and exported from the U.S.
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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