- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT01263392
Comparing Urinary Tract Infections in Children With Spina Bifida Using Two Types of Catheters for Catheterization
A Comparison of the Incidence of Symptomatic Urinary Tract Infections in Children With Spina Bifida Using Hydrophilic or Non-hydrophilic Polyvinyl Chloride Catheters for Clean Intermittent Catheterization: a Randomized Cross Over Trial
Study Overview
Status
Conditions
Intervention / Treatment
Detailed Description
Intermittent catheterisation (IC) is accepted management for maintaining bladder and renal health in individuals with incomplete bladder emptying. Two common products are available for IC: polyvinyl chloride (PVC) and single use hydrophilic coated PVC. In 2004 the UK spent around £33 million on hydrophilic catheters compared to £3 million for PVC catheters. Proposed advantages of the lubricated hydrophilic catheter over PVC catheters are:
- lower incidence of symptomatic urinary tract infections (UTI) and
- lower incidence of urethral irritation, trauma and urethral strictures from repeated IC.
Complications and UTIs are costly to the individual and the system but despite over 25 RCTs on the topic, there remains a lack of evidence indicating superiority of one product over another in community dwelling IC users.
Purpose: To compare the incidence of symptomatic UTI in children with spina bifida using single use hydrophilic (SpeediCath™) or PVC catheters for IC. Secondary aims: compare differences in weekly urinalysis for blood and leukocytes; physician visits, antibiotic use, days missed of school or activities; subject and care provider satisfaction with study catheter products.
Study Design, materials and methods: Randomised crossover two arm trial at four Western Canada paediatric sites: each arm was 24 weeks of single use hydrophilic or PVC catheters cleaned with soap and water (standard of care). Symptomatic UTI defined as positive leukocytes plus > 1 fever, flank pain, increased incontinence, malaise, cloudy or odorous urine requiring antibiotic treatment. Randomisation was determined at the study centre using a computer generated list into random block sizes of 8. Subject assignments were placed in opaque envelopes and sealed. After consent was obtained the local research assistant contacted the site technician who opened the envelope and gave the assignment. Sample size: With power of 80%, an expected difference of 25% between treatment and control and α 0.05, the total sample size needed was 97 subjects, using methods for correlated binary data and repeated measures. All data was entered by an impartial technician. It was not possible to blind subjects to product. Data were analyzed using a Mixed Within-Subjects Between-Subjects Analysis of Variance where the group was defined by the catheter type on which the trial began. SPSS version 20 was used for all analyses.
Inclusion Criteria: Child with spina bifida living in the community who either self IC or received IC by a consistent person; child/parent/caregiver able to read and understand English. Exclusion criteria: Urethral deformities (i.e. stricture, false passage); antibiotic prophylaxis; allergy to PVC product; diabetes mellitus; history of bladder pathology (i.e. tumours, calculus); surgical history of augmentation (cystoplasty, continent diversion).
Results: 70 subjects were randomized; 46 had complete data over 48 weeks; 24 dropouts: hydrophilic catheter too slippery (15%); refused PVC arm because they preferred hydrophilic catheter (5%); booked for continent diversion (4%), other (8%). Mean age 10.6 (SD 6.2), 21 males and 25 females. All performed IC > 3/day: 52% self and 48% parents/ caregivers; PVC catheters were used at least 5 times. Mean total weeks of self-reported UTI was 3.6 (SD 4.7) in the hydrophilic group vs. 2.3 (SD 3.3) in the PVC group (p= <.001) but no statistical differences in weeks of febrile UTI, antibiotic use, visits to physicians, days missed from school, or microscopic haematuria (urine dip). There was a trend to fewer weeks of positive leukocytes in the hydrophilic group (Table 1).
There were no statistically significant differences in Convenience or Comfort. Ease of Handling was significantly different with 40% disliking the hydrophilic product compared to 10% for the PVC product. Fewer participants answered "yes" to "would you continue using the product" (hydrophilic vs. the PVC 65% vs. 90% respectively). However, overall satisfaction was no different between products (Table 2).
Interpretation of Results:
The study was underpowered despite major attempts at recruitment. However the findings are clinically relevant. The hydrophilic catheter was more difficult to handle and therefore less likely to be continued than the PVC multiuse product. Participants who overcame the handling issues found the product excellent. Incidence febrile UTI or of antibiotic treated UTI did not appear to be affected by single use vs. multiuse products.
Conclusions: A hydrophilic catheter does not appear to reduce febrile UTI or antibiotic use in community dwelling children using CIC. Attrition was high based on participants' lack of adjustment to the hydrophilic product and to study fatigue. The study results are consistent with the existing Cochrane Review: there is a lack of evidence to state the incidence of UTI is affected by multiuse or hydrophilic catheter use. Large multicentre trials are strongly recommended.
Table 1: Mean number of weeks (of 24) with Symptoms Hydrophilic Single Use PVC multiuse N Mean N Mean Leucocytes 50 8.46 52 10.10 Fever 50 .04 49 .06 Other Symptoms ( w no Fever) 50 3.50 49 2.22 Hematuria 50 2.64 52 3.15 Antibiotics 50 .80 49 .55 Days Missed Activities 50 .40 52 .13 Note: all comparisons p>0.05
Table 2: Overall satisfaction with catheter products Hydrophilic Single Use PVC multiuse N % Acceptable N % Acceptable Convenience 49 81.6 48 81.3 p>0.05 Comfort 48 87.5 47 95.7 p>0.05 Ease of handling 49 59.2 48 95.8 p<0.05 Would you continue to use? 49 57.1 48 91.7 p<0.05 Overall satisfaction 48 72.9 48 87.5 p>0.05
Study Type
Enrollment (Actual)
Phase
- Not Applicable
Contacts and Locations
Study Locations
-
-
Alberta
-
Calgary, Alberta, Canada
- Alberta Children's Hospital
-
Edmonton, Alberta, Canada, T6G 2G3
- University of Alberta
-
-
British Columbia
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Vancouver, British Columbia, Canada
- BC Children's Hospital
-
-
Manitoba
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Winnipeg, Manitoba, Canada
- Winnipeg Children'S Hospital
-
-
Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
- Healthy Child with spina bifida who requires clean intermittent catheterization (CIC) for ongoing bladder management.
- Child either self catheterizes or receives catheterization by a consistent person.
- Child/parent/caregiver able to read and understand English in order to consent to participation in the study and to respond to verbal questions about the experience and satisfaction with the catheter.
Exclusion Criteria:
- Urethral deformities (i.e. stricture, false passage)
- Antibiotic prophylaxis
- Allergy to PVC product
- Diabetes Mellitus
- Unwilling to reuse catheters
- History of bladder pathology (ie. tumours, calculus)
- Surgical history of augmentation (cystoplasty, continent diversion)
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Prevention
- Allocation: Randomized
- Interventional Model: Crossover Assignment
- Masking: None (Open Label)
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Active Comparator: Polyvinyl Chloride Catheter
Re-use clean polyvinyl chloride catheters for intermittent catheterization of children with spina bifida.
|
Subjects will use each type of catheter for 6 months and will report weekly in a diary on urinary tract infections (UTIs), urine dip for haematuria & leukocytes, antibiotic use, and days missed school; and will answer a Satisfaction questionnaire at the end of each 6 month arm.
Other Names:
|
Active Comparator: Hydrophilic catheter
Use hydrophilic catheters (Speedicath) for intermittent catheterization of children with spina bifida.
|
Subjects will use each type of catheter for 6 months and will report weekly in a diary on urinary tract infections (UTIs), urine dip for haematuria & leukocytes, antibiotic use, and days missed school; and will answer a Satisfaction questionnaire at the end of each 6 month arm.
Other Names:
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Symptomatic urinary tract infection (UTI)
Time Frame: 6 months and 6 months at crossover
|
Symptomatic urinary tract infection (UTI) as per CDC definitions
|
6 months and 6 months at crossover
|
Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Subject satisfaction
Time Frame: 6 months and 6 months at cross over
|
Comparative data between polyvinyl chloride (PVC) and hydrophilic catheter on convenience, comfort, ease of handling, continuing to use, and overall satisfaction recorded on validated Satisfaction Questionnaire by subject
|
6 months and 6 months at cross over
|
Other Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
urinalysis (urine dipstick)
Time Frame: 6 months and 6 months at crossover points
|
urinalysis --- presence of leukocytes, haematuria as measured by subject and recorded in weekly diary
|
6 months and 6 months at crossover points
|
Antibiotic use for any reason
Time Frame: 6 months and 6 months at cross over points
|
Antibiotic use recorded by subject
|
6 months and 6 months at cross over points
|
Physician or healthcare provider visits
Time Frame: 6 months and 6 months at crossover points
|
physician visits for any reason
|
6 months and 6 months at crossover points
|
Effect on daily activities
Time Frame: 6 months and 6 months at crossover
|
days missed of school or activities as recorded by subject in weekly diary
|
6 months and 6 months at crossover
|
Collaborators and Investigators
Sponsor
Investigators
- Principal Investigator: Katherine N Moore, PhD, University of Alberta
Study record dates
Study Major Dates
Study Start
Primary Completion (Actual)
Study Completion (Actual)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Estimate)
Study Record Updates
Last Update Posted (Estimate)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Additional Relevant MeSH Terms
Other Study ID Numbers
- Speedi 10
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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