- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT04791111
AQUA: Anticholinergic Side Effects QUestionnAire (AQUA)
AQUA: A NEW QUESTIONNAIRE ASSESSING ANTICHOLINERGIC SIDE EFFECTS IN NEUROGENIC POPULATION (AQUA: Anticholinergic Side Effects QUestionnAire)
Overactive bladder syndrome (OAB) is very frequent and increase with age. Antimuscarinics allows improvement for OAB symptoms, quality of life and urodynamic parameters. However, antimuscarinics adherence is poor and anticholinergic drugs are often withdrawn few months after their introduction. This low adherence to antimuscarinics can be explained by side effects as dry mouth, blurred vision, constipation or cognitive impairment which are due to systemic anticholinergic effects since specificity and receptor affinity of bladder antimuscarinics are poor with a large distribution of acetylcholine receptors in all the body. Unfortunately, there is no questionnaires which evaluate side effects or constraints. The objective of the study is to develop and validate a new questionnaire to assess side effects of antimuscarinic treatment in a patient with OAB.
The study was conducted in a Neuro-urology Department of a University Hospital. To allow a full psychometric validation of the questionnaire, the study protocol included 3 steps: qualitative interviews, feasibility study and validation study. The inclusion criteria were to be aged > 18 years and to have OAB symptoms according to the ICS definition and secondary to a neurogenic dysfunction.
First step of the study consisted in a review literature on Pubmed to explore the different side effects secondary to antimuscarinic treatment and do determine which tools were available. In addition, we conducted semi-structured interviews on 30 patients suffering from OAB.
For this feasibility study, 30 patients were included. They had to rate each item to evaluate comprehension, acceptation and pertinence with a three-points Likert scale from response "0: not at all or quite" to "2: perfectly".
Validation study: 100 patients Content validity was assessed by the panel of experts. Internal consistency reliability was calculated using the α coefficient of Cronbach. Each response has been transformed in a numeric value to perform this test. Alpha coefficient of Cronbach was considered as very good if > 0.7.
Test-retest reliability was tested using the intraclass correlation coefficient (ICC) which was significant over 0.7.
Objective was to validate this questionnaire with good or very good psychometric properties. Primary outcome was Alpha coefficient of Cronbach and ICC ≥ 0,7.
Study Overview
Detailed Description
Lower Urinary tract symptoms (LUTS) are widespread in the general population and their prevalence is expected to increase in the coming years as the elderly population increases. Indeed, overactive bladder syndrome (OAB) is very frequent and increase with age. OAB has numerous and various etiologies and can be caused by urologic, metabolic, neurogenic or autonomic dysfunction. Treatments for OAB depends on etiology but first line treatment often corresponds to lifestyle modification and antimuscarinics. Antimuscarinics allows improvement for OAB symptoms, quality of life and urodynamic parameters. However, antimuscarinics adherence is poor and anticholinergic drugs are often withdrawn few months after their introduction. This low adherence to antimuscarinics can be explained by side effects as dry mouth, blurred vision, constipation or cognitive impairment which are due to systemic anticholinergic effects since specificity and receptor affinity of bladder antimuscarinics are poor with a large distribution of acetylcholine receptors in all the body. Unfortunately, there is no or a few questionnaires which evaluate side effects or constraints, except for one published in 2019, but not specific for anticholinergics. This part of evaluation is poorly reported in medical literature, whereas it seems to be clear that side effects should be systematically evaluate and are in part responsible of treatment discontinuation. The objective of the study is to develop and validate a new questionnaire to assess side effects of antimuscarinic treatment in a patient with OAB.
The study was conducted in a Neuro-urology Department of a University Hospital. To allow a full psychometric validation of the questionnaire, the study protocol included 3 steps: qualitative interviews, feasibility study and validation study. The inclusion criteria were to be aged > 18 years and to have OAB symptoms according to the ICS definition and secondary to a neurogenic dysfunction.
First step of the study consisted in a review literature on Pubmed to explore the different side effects secondary to antimuscarinic treatment and do determine which tools were available. In addition, we conducted semi-structured interviews on 30 patients suffering from OAB.
Feasibility Study For this feasibility study, 30 patients were included. They had to rate each item to evaluate comprehension, acceptation and pertinence with a three-points Likert scale from response "0: not at all or quite" to "2: perfectly".
Validation study: 100 patients Content validity was assessed by the panel of experts. Internal consistency reliability was calculated using the α coefficient of Cronbach. Each response has been transformed in a numeric value to perform this test. Alpha coefficient of Cronbach was considered as very good if > 0.7.
Test-retest reliability was tested using the intraclass correlation coefficient (ICC) which was significant over 0.7. The first questionnaire was filled at the end of the first consultation and patients had to answer a second questionnaire (filled at home) 7 days after the first consultation.
Objective was to validate this questionnaire with good or very good psychometric properties. Primary outcome was Alpha coefficient of Cronbach and ICC ≥ 0,7.
Study Type
Enrollment (Actual)
Contacts and Locations
Study Locations
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Paris, France, 70020
- department of Neuro-Urology, Hôpital Tenon
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Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Sampling Method
Study Population
Description
Inclusion Criteria:
- OAB symptoms according to ICS definition
- neurogenic bladder
- antimuscarinic treatment
Exclusion Criteria:
- Treatment change between first evaluation and second evaluation (Test retest validity)
Study Plan
How is the study designed?
Design Details
- Observational Models: Cohort
- Time Perspectives: Prospective
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
reproductibilty of Anticholinergic side effects QuestionnAire (AQUA)
Time Frame: 1 day
|
Patients were asked to answer a second time the questionnaire with a second evaluation at 14 days after the first one.
The "intra-class correlation coefficient" (ICC) was used to detemrine if this evaluaiton could lead to similar result for each quesiton.
An ICC>0.70 was necessary to define reproductibility.
|
1 day
|
Acceptatbility of AQUA
Time Frame: 1 day
|
Each patient was asked to rate acceptatibilty of the questionnaire with a four-point liket scale (A: perfect, B : good, C: Average, D: bad) regarding acceptance of the questions
|
1 day
|
Comprehension of AQUA
Time Frame: 1 day
|
Each patient was asked to rate comprehension of the questionnaire with a four-point liket scale (A: perfect, B : good, C: Average, D: bad) regarding comprehension of the questions
|
1 day
|
Collaborators and Investigators
Investigators
- Principal Investigator: Gérard AMARENCO, MD, PhD, Sorbonne University, GRC 001, GREEN, APHP, Hopital Tenon, France
Study record dates
Study Major Dates
Study Start (Actual)
Primary Completion (Actual)
Study Completion (Actual)
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
Keywords
Additional Relevant MeSH Terms
Other Study ID Numbers
- GREEN GRC-01
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
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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