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Gastroenterología y Hepatología (English Edition) Antiphospholipid syndrome autoantibodies induction after treatment with anti-TNF...
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Vol. 48. Issue 6.
(June - July 2025)
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Vol. 48. Issue 6.
(June - July 2025)
Original article
Antiphospholipid syndrome autoantibodies induction after treatment with anti-TNF alpha therapy in patients with IBD
Desarrollo de anticuerpos de síndrome antifosfolípido en pacientes bajo tratamiento anti-TNF en población con enfermedad inflamatoria intestinal
Virginia Robles-Alonsoa,
Corresponding author
virginia.robles@vallhebron.cat

Corresponding author.
, Roser Solansb, Ernesto Lastiria, Xavier Serraa, Elena Céspedes-Martíneza, Luís Mayorgaa, Claudia Herrera-deGuisea, Francesc Casellasa, Natalia Borruela,c
a Crohn's and Colitis Attention Unit, Digestive System Service, Universitary Hospital Vall d’Hebron, Barcelona, Spain
b Systemic Autoimmune Diseases Unit, Internal Medicine Department, Universitary Hospital Vall d’Hebron, Barcelona, Spain
c Centro de Investigaciones Biomédicas en Red de Enfermedades Hepáticas y Digestivas (CIBEREHD), Madrid, Spain
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Tables (2)
Table 1. Demographic and clinical factors.
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Table 2. Distribution of antiphospolipid antibodies.
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Abstract
Introduction

Ant-iTNF treatment has been broadly linked with autoantibodies and autoimmune disorders development. After the clinical observation of aPTT (activated partial thromboplastin clotting time) prolongation in our cohort of IBD patients treated with anti-TNF, we sought to determine the presence of antiphospolipid antibodies in our population, along with antiphospholipid syndrome (APS) occurrence.

Methods

We included in the study 289 patients treated with anti-TNFα antibodies.

Results

Twenty four of 289 patients presented a prolonged aPPT (8.3%) after starting anti-TNF treatment. We found antiphospholipid antibodies in 70.8% (17/24) of patients with aPTT prolongation. No major thrombotic events were reported although one patient met criteria for APS because of persistent antiphospolipid antibodies and two miscarriages. Another patient was diagnosed with lupus-like syndrome.

Conclusion

Anti-TNF treatment is associated with the induction of various antibodies, among them, antiphospholipid antibodies. However, a very low number of patients develop APS. Testing for antiphospholipid antibodies patients with prolonged aPPT could identify those at risk and lead to individualized treatment. Additional prospective studies are necessary to acquire more information.

Keywords:
Inflammatory bowel diseases
Anti-TNF treatment
Antiphospholipid syndrome
Resumen
Introducción

El tratamiento con anti-TNF se ha relacionado ampliamente con el desarrollo de autoanticuerpos y enfermedades autoinmunes. Tras la observación clínica de prolongación del tiempo de tromboplastina parcial activada (aPTT) en nuestra cohorte de pacientes con enfermedad inflamatoria intestinal tratados con anti-TNF, buscamos determinar la presencia de anticuerpos antifosfolípido en nuestra población, junto con la ocurrencia del síndrome antifosfolípido (SAF).

Métodos

Se incluyeron en el estudio 289 pacientes tratados con anticuerpos anti-TNFα.

Resultados

De los 289 pacientes, 24 presentaron un aPTT prolongado (8,3%) después de iniciar el tratamiento con anti-TNF. Encontramos anticuerpos antifosfolípido en el 70,8% (17/24) de los pacientes con prolongación del aPTT. No hubo episodios trombóticos mayores, aunque una paciente cumplió los criterios de SAF debido a la presencia persistente de anticuerpos antifosfolípidos y a 2 abortos espontáneos. Otro paciente fue diagnosticado con síndrome parecido al lupus.

Conclusiones

El tratamiento con anti-TNF se asocia a la inducción de diversos anticuerpos, entre ellos los antifosfolípido. Sin embargo, un número muy bajo de pacientes desarrolla SAF. La evaluación de anticuerpos antifosfolípido en pacientes con aPTT prolongado podría identificar a aquellos en riesgo y conducir a un tratamiento individualizado. Se necesitan estudios prospectivos adicionales para obtener más información.

Palabras clave:
Enfermedad inflamatoria intestinal
Tratamiento anti-TNFα
Sindrome antifosfolípido

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