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Gastroenterología y Hepatología (English Edition) Early advanced therapies and real-world outcomes in Crohn's disease: A populatio...
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Vol. 49. Issue 2.
(February 2026)
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Vol. 49. Issue 2.
(February 2026)
Original Article

Early advanced therapies and real-world outcomes in Crohn's disease: A population-based comparison of two incident cohorts in Navarra

Uso temprano de terapias avanzadas y resultados en práctica clínica en la enfermedad de Crohn: comparación poblacional de dos cohortes de pacientes incidentes en Navarra
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Alfonso Elosuaa,
Corresponding author
, Óscar Nantesa, María Chaparrob, Lucía Zabalzaa, Rebeca Irisarric, Miren Vicuñaa, Marcos Kutzd, Saioa Rubioa, Julián Libreroe, Ramón Angósf, Ana Garreb, Javier P. Gisbertb, Cristina Rodrígueza
a Gastroenterology, Hospital Universitario de Navarra, Pamplona, Navarra and IdiSNA, Navarra Institute for Health Research, Spain
b Gastroenterology, Hospital Universitario de La Princesa, Instituto de Investigación Sanitaria Princesa (IIS-Princesa), Universidad Autónoma de Madrid (UAM), and Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas (CIBEREHD), Spain
c Gastroenterology, Hospital García Orcoyen, Estella, Navarra, Spain
d Gastroenterology, Hospital Reina Sofía, Tudela, Navarra, Spain
e Unidad de Metodología, Navarrabiomed-HUN-UPNA, Pamplona, Spain and Network for Research on Chronicity, Primary Care, and Health Promotion (RICAPPS), Institute of Health Carlos III (ISCIII), Madrid, Spain
f Gastroenterology, Clínica Universidad de Navarra, Pamplona, Navarra, Spain
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Abstract
Objective

The introduction of biologic therapies has transformed the management of Crohn's disease (CD), yet few studies have evaluated their impact on real-world outcomes over time. We aimed to compare two population-based cohorts of CD patients in Navarra, Spain, diagnosed in 2001–2003 (cohort A) and in 2017 (cohort B), to assess whether early use of advanced therapies has altered disease trajectory.

Patients and methods

This prospective, multicentre cohort study included adult patients with confirmed CD from two periods. Clinical characteristics, treatments, hospitalizations, and surgical outcomes were analysed over five years. Time-to-event analyses were performed using Kaplan–Meier curves and Cox regression models.

Results

A total of 128 patients were included (83 in cohort A, 45 in cohort B). At diagnosis, immunomodulators were used in 1.2% of cohort A vs. 21% in cohort B, and biologics in 0% vs. 51%, respectively. Initiation of immunomodulators (hazard ratio [HR]: 1.94; 95% CI: 1.11–3.39) and biologics (HR: 5.42; 95% CI: 2.57–11.42) occurred earlier in cohort B. Hospitalization at diagnosis was more frequent in cohort A (47% vs. 22%), and five-year hospitalization rates were significantly lower in cohort B (34% vs. 63%; HR: 0.52; 95% CI: 0.28–0.96). No significant differences in intestinal or perianal surgery rates were observed between cohorts.

Conclusions

Earlier and more widespread use of advanced therapies in CD has been associated with reduced hospitalization over time, although surgical rates have remained stable. These findings suggest a shift toward earlier and more intensive treatment strategies in routine clinical practice.

Keywords:
Crohn's disease
Monoclonal antibodies
Surgery
Hospitalization
Resumen
Objetivo

La introducción de terapias biológicas ha transformado el manejo de la enfermedad de Crohn (EC), aunque pocos estudios han evaluado su impacto en resultados reales a lo largo del tiempo. El objetivo fue comparar dos cohortes poblacionales de pacientes con EC en Navarra, España, diagnosticados en 2001-2003 (cohorte A) y en 2017 (cohorte B), para analizar si el uso temprano de terapias avanzadas ha modificado la evolución de la enfermedad.

Pacientes y métodos

Estudio prospectivo multicéntrico que incluyó pacientes adultos con diagnóstico confirmado de EC en dos periodos distintos. Se analizaron características clínicas, tratamientos, hospitalizaciones y cirugías durante 5 años. Se realizaron análisis de tiempo hasta evento mediante curvas de Kaplan-Meier y modelos de regresión de Cox.

Resultados

Se incluyeron 128 pacientes (83 en la cohorte A y 45 en la cohorte B). Al diagnóstico, los inmunomoduladores se usaron en el 1,2% vs. 21%, y los biológicos en el 0% vs. 51%, respectivamente. Su introducción fue más temprana en la cohorte B (hazard ratio [HR] inmunomoduladores: 1,94; IC 95%: 1,11-3,39; HR biológicos: 5,42; IC 95%: 2,57-11,42). La hospitalización al diagnóstico fue más frecuente en la cohorte A (47% vs. 22%), y la tasa a 5 años fue menor en la cohorte B (34% vs. 63%; HR: 0,52; IC 95%: 0,28-0,96). No hubo diferencias significativas en las tasas de cirugía.

Conclusiones

El uso más temprano de terapias avanzadas se asocia con menor necesidad de hospitalización, lo que sugiere un cambio hacia estrategias más intensivas en la práctica clínica.

Palabras clave:
Enfermedad de Crohn
Anticuerpos monoclonales
Cirugía
Ingreso hospitalario

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