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Gastroenterología y Hepatología (English Edition) High persistence rate at one year- follow-up of subcutaneous vedolizumab at stan...
Journal Information
Vol. 48. Issue 7.
(August - September 2025)
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183
Vol. 48. Issue 7.
(August - September 2025)
Original article
High persistence rate at one year- follow-up of subcutaneous vedolizumab at standard dose after switching endovenous vedolizumab, even in those previously intensified: Results of a Spanish multicentre observational study
Alta persistencia al año de vedolizumab vía subcutánea a dosis estándar tras el cambio de vedolizumab intravenoso, incluso en los pacientes intensificados: resultados de un estudio observacional multicéntrico español
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183
Laura Andrésa, Marisa Iborrab, Raquel Vicentec, Lara Ariasa, Pilar Nosb, Ana Royo-Estebanc, Beatriz Siciliaa,
Corresponding author
bsicilia4@gmail.com

Corresponding author.
a Unidad de Enfermedad Inflamatoria Intestinal, Servicio de Gastroenterología y Hepatología, Hospital Universitario de Burgos, Burgos, Spain
b Unidad de Enfermedad Inflamatoria Intestinal, Servicio de Gastroenterología y Hepatología, Hospital Universitario y Politécnico La Fe, Valencia, Spain
c Unidad de Enfermedad Inflamatoria Intestinal, Servicio de Gastroenterología y Hepatología, Hospital Universitario Miguel Servet, Zaragoza, Spain
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Table 1. Baseline characteristics of the 54 patients.
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Table 2. Characteristics of the 54 patients according to previous intensification.
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Abstract
Introduction

Subcutaneous (sc) vedolizumab is an alternative to intravenous (iv) vedolizumab for the treatment of patients with mild-to-moderate flares of inflammatory bowel disease (IBD).

Aims

To analyse the persistence rate of the sc vedolizumab and its pharmacokinetics in patients previously treated with iv vedolizumab; describing clinical and biochemical remission rates at one year, and comparing previous intravenous intensification regimens.

Methods

Multicenter, descriptive, observational, and retrospective study of a cohort of 54 patients with IBD treated with iv vedolizumab for more than six months, who were switched to sc vedolizumab under a standard regimen, 32 patients (59%) with a diagnosis of ulcerative colitis (UC) and 22 patients (41%) with Crohn’s disease (CD).

Results

After one year of follow-up, 93% of the patients continued with vedolizumab, 100% were in clinical remission, and 86% achieved biochemical remission (calprotectin < 150). A progressive increase in vedolizumab levels was observed after switching to sc vedolizumab, with statistical significance (p < 0.05). 14 patients (25.9%) were on an intensified regimen before switching to sc vedolizumab. However, all patients remained on subcutaneous vedolizumab at a dose of 108 mg every two weeks without the need for intensification.

Conclusion

After switching to sc vedolizumab in patients with endovenous vedolizumab treatment, high persistence rate at one year of follow-up is achieved, with a greater tendency to biochemical remission, which is more pronounced in previously intensified patients without the need for subcutaneous vedolizumab intensification.

Keywords:
Switch
Vedolizumab
Ulcerative colitis
Crohn’s disease
Resumen
Introducción

Vedolizumab subcutáneo es una alternativa a vedolizumab intravenoso en el tratamiento de los pacientes con brote leve-moderado de enfermedad inflamatoria intestinal.

Objetivos

Analizar el porcentaje de persistencia del fármaco subcutáneo y la farmacocinética en pacientes en tratamiento con vedolizumab iv después de cambiar a vedolizumab sc. describiendo porcentajes de remisión clínica y bioquímica al año, comparando regímenes previos de intensificación endovenosa.

Métodos

Estudio multicéntrico, descriptivo, observacional y retrospectivo de una cohorte de 54 pacientes con EII en tratamiento con vedolizumab intravenoso durante más de 6 meses, a los que se les realizó un cambio a vedolizumab subcutáneo en régimen estándar, 32 pacientes (59%) con diagnóstico de CU y 22 pacientes (41%) con EC.

Resultados

Al año de seguimiento, 93% de los pacientes seguían con vedolizumab, 100% estaban en remisión clínica y un 86% alcanzaron remisión bioquímica (calprotectina < 150). Se evidenció un aumento progresivo de los niveles de vedolizumab tras el cambio a vedolizumab sc con significación estadística (p < 0,05). 14 pacientes (25,9%) estaban en un régimen intensificado antes de cambiar a vedolizumab sc. No obstante, todos los pacientes se mantuvieron con vedolizumab sc a dosis de 108 mg/2 semanas sin necesidad de intensificación.

Conclusión

Tras el cambio a vedolizumab sc en pacientes en tratamiento con vedolizumab iv, se consigue una alta persistencia del fármaco al año, con una mayor tendencia a la remisión bioquímica, que es más acusada en los pacientes previamente intensificados sin necesidad de intensificar vedolizumab subcutáneo.

Palabras clave:
Switch
Vedolizumab
Colitis ulcerosa
Enfermedad de Crohn

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