QUALAS Validation in Dutch
Validation of the Quality of Life Assessment in Spina Bifida for Children and Adolescents in Dutch
1 other identifier
observational
300
1 country
2
Brief Summary
Rationale Patients with spina bifida often experience a decreased quality of life compared to patients without spina bifida. The Quality of Life Assessment for Spina Bifida (QUALAS) is a validated questionnaire to assess the quality of life in children, teenagers and adults with spina bifida, accounting for specific factors, such as bladder and bowel dysfunction. This questionnaire enables us to assess the current spina bifida related quality of life and identify if bladder and bowel dysfunction is of influence. Objective(s) To validate the Quality of Life Assessment for Spina Bifida in Children, Teenagers and Adults in Dutch. Study type A multicenter prospective validation cohort study. Study population Children aged 8 - 17 years and adults who are diagnosed with spina bifida. As a control group children aged 8 - 17 years and adults without spina bifida will be approached at the Ear-Nose-Throat (ENT) and paediatric clinics. Methods The main study parameter is the validation of the Dutch version of the questionnaire. Patients with spina bifida are asked to fill out the QUALAS at two time-points. They are also asked to fill out an extra questionnaire at two time-points, in order to validate the QUALAS. Children and adults in the control groups are asked to fill out the two questionnaires only once. Burden and risks No (extra) outpatient visit is required. The questions in the questionnaires are similar to the medical history during an outpatient visit. The burden is therefore minimal for these patients. Participation in this study will not influence patient treatment. Recruitment and consent Parents of children and children and adults who meet the inclusion criteria and none of the exclusion criteria will be informed orally about this study by their treating urologist during a regular visit. A patient information and consent form will be handed over to the parents and children over eight years of age and adults. Parents of children and children and adults at the ENT clinic will be approached by the local urologist for participation for this study. If they are willing to participate they will be asked to sign informed consent and fill out the questionnaire.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P75+ for all trials
Started Dec 2024
Shorter than P25 for all trials
2 active sites
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
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Study Timeline
Key milestones and dates
First Submitted
Initial submission to the registry
December 4, 2024
CompletedFirst Posted
Study publicly available on registry
December 9, 2024
CompletedStudy Start
First participant enrolled
December 9, 2024
CompletedPrimary Completion
Last participant's last visit for primary outcome
February 28, 2025
CompletedStudy Completion
Last participant's last visit for all outcomes
March 31, 2025
CompletedDecember 12, 2024
December 1, 2024
3 months
December 4, 2024
December 9, 2024
Conditions
Outcome Measures
Primary Outcomes (1)
Internal consistency of QUALAS
Internal consistency is the main study endpoint. This will be calculated with Cronbach's alpha. Values between 0.70 and 0.95 reflect good consistency. QUALAS questionnaire: Scores range from 0-100 with higher scores indicating better quality of life.
3 months
Secondary Outcomes (3)
Reproducibility
2 weeks
Content validity
3 months
Construct validity
3 months
Study Arms (6)
Children with spina bifida
• Male or female aged 8 -12 years with spina bifida
Control group children
• Male or females aged 8 -12 years without spina bifida
Teenagers with spina bifida
• Males or female aged 13 - 17 years with spina bifida
Control group teenagers
• Males or females aged 13 - 17 years without spina bifida
Adults with spina bifida
Adults with spina bifida
Control group adults
Adults without spina bifida
Interventions
Participants will be asked to complete the surveys at one (controls) and two (patients) timepoints.
Eligibility Criteria
Parents of children and children and adults with spina bifida that are patients at the Urology department of the two hospitals will be approached to participate. This questionnaire quantifies the quality of life in patients with spina bifida, with a special interest in bladder and bowel dysfunction. A group of children and adults without spina bifida will function as a control group. These children and adults will be approached at the ENT and paediatric clinics.
You may qualify if:
- Patient group:
- Male or female patients aged 8 -12 years (QUALAS-C)
- Male or female patients aged 13 - 17 years (QUALAS-T)
- Adult patients (QUALAS-A)
- Has spina bifida
- Adult or child and at least one parent fluent in the Dutch language
- Signed informed consent
- Control group:
- Male or female children aged 8 -12 years (QUALAS-C)
- Male or female adolescents aged 13 - 17 years (QUALAS-T)
- Adults (QUALAS-A)
- Has no spina bifida
- Adult or child and at least one parent fluent in the Dutch language
- Signed informed consent
You may not qualify if:
- Has a neurogenic disease other than spina bifida
- Has had surgery in the last month
Contact the study team to confirm eligibility.
Sponsors & Collaborators
- Erasmus Medical Centerlead
- University Medical Center Groningencollaborator
Study Sites (2)
UMCG
Groningen, Netherlands
Erasmus MC
Rotterdam, 3015 GD, Netherlands
MeSH Terms
Conditions
Condition Hierarchy (Ancestors)
Study Officials
- PRINCIPAL INVESTIGATOR
Lisette 't Hoen, MD, PhD
Erasmus Medical Center
Central Study Contacts
Study Design
- Study Type
- observational
- Observational Model
- CASE CONTROL
- Time Perspective
- PROSPECTIVE
- Sponsor Type
- OTHER
- Responsible Party
- PRINCIPAL INVESTIGATOR
- PI Title
- Principal Investigator
Study Record Dates
First Submitted
December 4, 2024
First Posted
December 9, 2024
Study Start
December 9, 2024
Primary Completion
February 28, 2025
Study Completion
March 31, 2025
Last Updated
December 12, 2024
Record last verified: 2024-12
Data Sharing
- IPD Sharing
- Will not share