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Inicio Gastroenterología y Hepatología (English Edition) Suboptimal response to tumor necrosis factor antagonists in inflammatory bowel d...
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Vol. 47. Issue 1.
Pages 51-62 (January 2024)
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Vol. 47. Issue 1.
Pages 51-62 (January 2024)
Original article
Suboptimal response to tumor necrosis factor antagonists in inflammatory bowel disease in Latin America: EXPLORE LATAM study
Respuesta subóptima a los antagonistas del factor de necrosis tumoral en la enfermedad inflamatoria intestinal en Latinoamérica: Estudio EXPLORE LATAM
Domingo Balderramoa,,
Corresponding author
, Jesús Yamamoto-Furushob,, Enrique Ponce de Leónc, Julio de Maríad, Ignacio Zubiaurree, Silvia Pedreiraf, Camilo Lisg, Laura Briong, Juan A. de Paulah
a Gastroenterology Department, Hospital Privado Universitario de Córdoba, Instituto Universitario de Ciencias Biomédicas de Córdoba, X5016 Córdoba, Argentina
b Inflammatory Bowel Disease Clinic, Department of Gastroenterology, National Institute of Medical Sciences and Nutrition, 14080 Mexico City, Mexico
c Fundación Cardio Infantil, Instituto de Cardiología, 111321 Bogotá, Colombia
d Hospital Italiano de La Plata, B1900 La Plata, Argentina
e Hospital Británico, C1280AEB Buenos Aires, Argentina
f Hospital Alemán, C1118AAT Buenos Aires, Argentina
g Takeda Argentina S.A., C1429 Buenos Aires, Argentina
h Hospital Italiano de Buenos Aires, C1199ABH Buenos Aires, Argentina
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Tables (4)
Table 1. Demographic and clinical characteristics of UC and CD patients at index date.
Table 2. Disease location and behavior in UC and CD patients.
Table 3. Anti-TNF therapy and non-biologic treatment history at index date.
Table 4. Overall frequency and cumulative incidence of suboptimal response to first-line anti-TNF therapy in UC and CD patients.
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Additional material (1)
Abstract
Objective

Data on anti-tumor necrosis factor (anti-TNF) treatment and suboptimal response (SOR) among patients with inflammatory bowel diseases (IBD) in Latin America (LATAM) are scarce. This study evaluated the incidence and indicators of SOR to anti-TNF therapy in patients with ulcerative colitis (UC) and Crohn's disease (CD) from Argentina, Colombia and Mexico.

Patients and methods

We performed retrospective analysis of data from LATAM patients of the EXPLORE study (NCT03090139) including adult patients with IBD who initiated anti-TNF therapy between March 2010 to March 2015. The cumulative incidence of SOR to first-line anti-TNF therapy was assessed. A physician survey to assess barriers to anti-TNF therapies was also carried out.

Results

We included 185 IBD patients (UC/CD: 99/86) treated with first-line anti-TNF from Argentina (38 UC; 40 CD), Colombia (21 UC; 25 CD) and Mexico (40 UC; 21 CD). 36.4% of patients with UC and 46.5% of patients with CD experienced SOR to anti-TNF therapy during the median (interquartile range) observational period: 49.0 months (37.2–60.1) in UC, and 50.0 months (40.9–60.1) in CD. The most common indicator of SOR among patients was augmentation of non-biologic therapy (UC: 41.7%; CD: 35.0%). Affordability and late referral to IBD specialist care centers were the most common barriers to anti-TNF therapies.

Conclusions

SOR to anti-TNF therapy was common in LATAM IBD patients, where augmentation with non-biologic therapy represented the most frequent indicator of SOR across indications. Our findings contribute to the current evidence on the unmet needs associated with anti-TNF in LATAM.

Keywords:
Inflammatory bowel disease
Suboptimal response
Anti-tumor necrosis factor
Ulcerative colitis
Crohn's disease
Latin America
Resumen
Objetivo

Los datos sobre tratamiento con antagonistas del factor de necrosis tumoral (anti-TNF) y su respuesta subóptima (RSO) en las enfermedades inflamatorias intestinales (EII) en América Latina (LATAM) son escasos. Se evaluaron la incidencia e indicadores de RSO a anti-TNF en pacientes con colitis ulcerosa (CU) y enfermedad de Crohn (EC) de Argentina, Colombia y México.

Pacientes y métodos

Se realizó un análisis retrospectivo de datos del estudio EXPLORE LATAM (NCT03090139), incluyendo pacientes adultos con EII que iniciaron anti-TNF entre marzo de 2010 a marzo de 2015. Se evaluó la incidencia acumulada de RSO a los anti-TNF en primera línea. Además, se realizó una encuesta a especialistas sobre las barreras del tratamiento con anti-TNF.

Resultados

Se incluyeron 185 pacientes con EII (CU/EC: 99/86) tratados con anti-TNF en primera línea de Argentina (38 CU; 40 EC), Colombia (21 CU; 25 EC) y México (40 CU; 21 EC); 36,4% de los pacientes con CU y 46,5% de los pacientes con EC experimentaron RSO a anti-TNF durante la mediana (intervalo intercuartílico) de 49 meses (37,2-60,1) en CU y 50 meses (40,9-60,1) en EC. El indicador más común de RSO fue el aumento del tratamiento no biológico (CU: 41,7%; EC: 35,0%). La accesibilidad y la derivación tardía a centros especializados fueron las barreras más comunes para el tratamiento con anti-TNF.

Conclusiones

La RSO a anti-TNF fue frecuente en pacientes con EII de LATAM, el aumento del tratamiento no biológico representó el indicador más frecuente de RSO. Nuestros hallazgos contribuyen a la evidencia actual sobre las necesidades insatisfechas asociadas a los anti-TNF en LATAM.

Palabras clave:
Enfermedad inflamatoria intestinal
Respuesta subóptima
Factor de necrosis antitumoral
Colitis ulcerosa
Enfermedad de Crohn
América Latina

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