A165 VEDOLIZUMAB IS AN OPTION TO TREAT MICROSCOPIC COLITIS IN PATIENTS DEPENDENT ON ORAL STEROIDS OR HAVE FAILED A BIOLOGIC: A MULTICENTRE CANADIAN CASE SERIES
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Résumé
Abstract Background Microscopic colitis (MC) is an inflammatory bowel condition demonstrating normal mucosa on endoscopy, with evidence of inflammation and lymphocytosis on pathologic analysis of biopsies. The pathophysiology for this disease is largely unknown, and evidence for its management in cases refractory to oral steroids or after failing a biologic is sparse. Vedolizumab, an integrin receptor antagonist, has been used in a handful of persons with MC with limited literature. Aims Review literature on the use of Vedolizumab in treatment of MC. Present 7 cases of MC where Vedoluzimab was used to manage patients refractory to therapy (either steroid dependent, or failing biologic therapy). Methods Patients with MC managed with Vedolizumab were identified by soliciting practicing Gastroenterologists within Winnipeg at 3 health centres. A chart review was conducted to obtain pertinent information including patient demographics, symptoms, and medications previously trialed. Results Review of literature revealed 3 case reports, and 4 case series reporting on the use of Vedolizumab in MC. We identified 7 cases; 6 female, and a mean age at diagnosis of 50.7. Histologies included 3 lymphocytic, 2 collagenous, 1 developed from lymphocytic to collagenous over time, and 1 with evidence of both. 4 patients were on a biologic prior to initiating Vedolizumab with a mean duration of therapy of 24.25 months. Indications for initiating Vedolizumab included: 3 with steroid dependency, 3 Infliximab failures, and 1 with Adalimumab-associated hepatotoxicity. Mean disease duration prior to initiating Vedolizumab was 112.7 months. Number of stools pre-Vedolizumab were: 1–3 = 0, 4–6 = 2, 7–9 = 2, >/=10 = 3, compared to >6 months post-Vedolizumab: 1–3 = 5, 4–6 = 1, 7–9 = 1, >/=10 = 0. Symptoms pre-Vedolizumab compared to >6 months post-Vedolizumab included: 4 with urgency pre-Vedolizumab versus 1, 3 had incontinence versus 0, and 4 had nocturnal symptoms versus 0. Use of alternative medications included anti-diarrheals, oral 5-aminosalicylic acid, and immunomodulators. On average, patients tried 7.6 different treatments prior to starting Vedolizumab. 1 case is considered to have failed Vedolizumab due to increasing symptoms. Conclusions This multicentre case series is the first in Canada to assess patient characteristics and symptoms before and after Vedolizumab induction in persons with MC who are either steroid dependent or have failed a biologic. Our results demonstrate an overall improvement in symptoms when assessed >6 months after induction therapy. This review was limited in not having a symptom inventory/severity index completed at each clinic visit, resulting in a number of difficult-to-compare and incomplete data points. Funding Agencies None
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Imitation des enseignantsNi prévalence calibrée, ni vérité terrain. Validation humaine à venir. Apprise à partir de 10 348 étiquettes directes de Codex et de 10 348 étiquettes directes de Gemma. Le mode candidate est l'union des têtes enseignantes seuillées; le consensus est leur intersection. Ces sorties portent le statut machine_predicted_unvalidated et ne sont ni des étiquettes humaines ni des étiquettes directes de modèles de pointe.
Scores Codex et Gemma par catégorie
| Catégorie | Codex | Gemma |
|---|---|---|
| Métarecherche | 0,000 | 0,000 |
| Méta-épidémiologie (sens strict) | 0,000 | 0,000 |
| Méta-épidémiologie (sens large) | 0,000 | 0,000 |
| Bibliométrie | 0,001 | 0,000 |
| Études des sciences et des technologies | 0,000 | 0,000 |
| Communication savante | 0,000 | 0,000 |
| Science ouverte | 0,000 | 0,000 |
| Intégrité de la recherche | 0,000 | 0,000 |
| Charge utile insuffisante (le modèle a refusé de juger) | 0,000 | 0,000 |
Scores machine (provisoires)
Les deux têtes enseignantes du modèle étudiant, lues sur ce travail. Un score ordonne la base pour la relecture; il n'affirme jamais une catégorie, et le statut de validation accompagne chaque rangée tel quel.
Scores de référence d'un modèle non mature (critères de maturité non atteints, 7 itérations). Un score ordonne; il n'affirme jamais une catégorie.
score_only:v0-immature-baseline · tel quel depuis la passe de notation : score_only signifie que le nombre peut ordonner les travaux, et qu'aucune étiquette de catégorie n'en découle