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Protocol of a multicentric prospective cohort study for the VALIDation of the IBD-disk instrument for assessing disability in inflammatory bowel diseases: the VALIDate study

Abstract : Abstract Background Inflammatory Bowel Diseases (IBD) affect psychological, family, social and professional dimensions of patients’ life, leading to disability which is essential to quantify as part of Patient-Reported Outcomes (PROs) newly included in the targets to reach in IBD patients. Up to now, the IBD-Disability Index (IBD-DI) was the only validated tool to assess disability, but it is not appropriate for use in clinical practice. The IBD Disk was developed, a shortened and self-administered tool, adapted from the IBD-DI, in order to give immediate representation of patient-reported disability. However, the IBD Disk has not been validated yet in clinical practice. The aims of the VALIDate study are to validate this tool in a large population of IBD patients and to compare it to the already validated IBD-DI. Methods The VALIDate study is an ongoing multicentric prospective cohort study launched in April 2018 in 3 French University Hospitals (Nantes, Rennes, Angers), with an objective to reach a sample of 400 patients over a period inclusion of 6 months. Each patient will fill in the two questionnaires IBD Disk and IBD-DI at baseline, then between 3 and 12 months later, during a follow-up visit. Clinical and socio-demographic data will also be collected. During these two consultations, gastroenterologists and patients will evaluate disease activity thanks to a semi-quantitative 4-grade scale, named respectively PGA (Physician Global Assessment) and PtGA (Patient Global Assessment). This cohort will allow to evaluate the validity of the IBD Disk with respect to the IBD-DI in order to generalize its use for clinical practice. Other psychometric criteria of the IBD Disk will also be analysed as its reliability or its discriminant capacity. Close attention will nonetheless be needed to minimize the number of lost to follow-up patients between baseline and follow-up. Discussion The VALIDate study is the study designed to validate the IBD Disk, a visual tool easily useable in daily practice to assess disability in IBD patients. The results of this trial should enable the diffusion of this tool. Trial registration The trial is registered in ClinicalTrials.Gov with registration number NCT03590639 . First posted: July 18, 2018.
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https://hal.univ-angers.fr/hal-03287291
Contributeur : Véronique Bourgeais <>
Soumis le : jeudi 15 juillet 2021 - 15:17:11
Dernière modification le : samedi 17 juillet 2021 - 03:47:48

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C. Le Berre, A. Bourreille, M. Flamant, G. Bouguen, L. Siproudhis, et al.. Protocol of a multicentric prospective cohort study for the VALIDation of the IBD-disk instrument for assessing disability in inflammatory bowel diseases: the VALIDate study. BMC Gastroenterology, BioMed Central, 2020, 20 (1), ⟨10.1186/s12876-020-01246-7⟩. ⟨hal-03287291⟩

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