Article information
Abstract
Introduction
Rituximab has been employed successfully for the treatment of Rheumatoid Arthritis (RA). However, its particular mechanism of action, as well as a lack of concrete guidelines for its management have generated doubts on its use.
ObjectiveTo establish recommendations that facilitate the use of rituximab in common clinical practice.
MethodsIn a first Delphi round, 9 expert rheumatologists got together to develop questions on those subjects generating most doubts on the efficacy and safety of the drug. These were adapted to perform a systematic review of the evidence, which was presented in a second meeting. Nominal groups were formed to respond to each question and give a recommendation. These recommendations were presented in a second Delphi round to a larger group of experts in rheumatology. Once again recommendations were discussed, modified and voted upon. Once approved, a vote on the degree of agreement for each recommendation was carried out.
ResultsSeventeen recommendations were established, 10 regarding efficacy and 7 safety. All of the efficacy recommendations except 3 presented a good or moderate degree of evidence. Among the safety recommendations, 3 had a good or moderate degree of evidence while in the rest it was indirect, scarce or non-existent and a product of expert recommendation. The degree of agreement between experts was elevated for most of the recommendations.
ConclusionsThese recommendations attempt to clear doubts on the use of rituximab and establish guidelines for its use in daily practice. Efficacy recommendations have a high degree of evidence, allowing the clinician to be guided in therapeutic decisions. Safety recommendations have a lower degree of evidence.
Keywords:
Rheumatoid arthritis
Rituximab
Biologic therapy
Consensus
Resumen
Introducción
El rituximab se ha empleado con éxito en el tratamiento de la artritis reumatoide (AR). Sin embargo, su particular mecanismo de acción, así como la ausencia de pautas concretas en su manejo, hace que se hayan generado dudas sobre su utilización.
ObjetivoEstablecer recomendaciones que faciliten el empleo de rituximab en la práctica clínica habitual.
MétodosEn una primera ronda Delphi, se reunieron nueve reumatólogos expertos que desarrollaron preguntas sobre los temas con mayor duda sobre eficacia y seguridad del fármaco. Estas se adecuaron para hacer una revisión sistemática de la evidencia, que se presentó en una segunda reunión. Se formaron grupos nominales para dar respuesta a cada pregunta y emitir la recomendación. Estas recomendaciones fueron presentadas en una segunda ronda Delphi a un grupo ampliado de reumatólogos expertos. De nuevo se discutieron, se modificaron y se votaron las recomendaciones. Una vez aprobada cada recomendación, se votó el grado de acuerdo.
ResultadosSe establecieron 17 recomendaciones: diez de eficacia y siete de seguridad. Todas las recomendaciones de eficacia, excepto tres, presentaron un nivel de evidencia bueno o moderado. Entre las recomendaciones de seguridad, tres presentaron un nivel de evidencia bueno o moderado, mientras que para el resto la evidencia fue indirecta, escasa o nula y son producto de las recomendaciones de los expertos. El grado de acuerdo entre expertos fue elevado para la mayoría de las recomendaciones.
ConclusionesEstas recomendaciones pretenden aclarar dudas sobre el uso de rituximab y establecer pautas de empleo en la práctica clínica. Las recomendaciones de eficacia tienen un nivel de evidencia alto y permiten guiar al médico en decisiones terapéuticas. Las recomendaciones de seguridad tienen un nivel de evidencia menor..
Palabras clave:
Artritis reumatoide
Rituximab
Terapias biológicas
Consenso
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