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        "resumen" => "<p id="spar0005" class="elsevierStyleSimplePara elsevierViewall">Aunque la indicaci&#243;n principal de ustekinumab &#40;UST&#41; en el momento actual es la psoriasis&#44; su innovador mecanismo de acci&#243;n aventura otras indicaciones en un futuro pr&#243;ximo&#44; entre ellas&#44; la artritis psori&#225;sica &#40;APs&#41; y la enfermedad de Crohn &#40;EC&#41;&#46;</p><p id="spar0010" class="elsevierStyleSimplePara elsevierViewall">La psoriasis y la APs son entidades donde la interacci&#243;n de elementos de restricci&#243;n gen&#233;tica&#44; junto a factores ambientales e inmunol&#243;gicos juegan un papel clave para dar lugar a las manifestaciones propias de ambas enfermedades&#46; Una de las principales v&#237;as patog&#233;nicas en estas condiciones es el eje IL-23&#47;Th17&#44; y existen sobradas evidencias para apoyar intervenciones farmacol&#243;gicas sobre el mismo&#46; En el momento actual&#44; s&#243;lo disponemos de un agente con capacidad de actuar sobre esta diana&#44; UST&#44; un anticuerpo monoclonal humano frente a la subunidad com&#250;n p40 de la IL-12 e IL-23&#46; Aunque disponemos de cierta informaci&#243;n sobre su utilidad en el tratamiento de la APs&#44; a&#250;n precisamos de m&#225;s datos sobre su eficacia y seguridad en este campo&#46;</p><p id="spar0015" class="elsevierStyleSimplePara elsevierViewall">Por otra parte&#44; la EC es una enfermedad inflamatoria cr&#243;nica de etiolog&#237;a desconocida que afecta al tubo digestivo&#46; El tratamiento consiste en el uso de corticoides&#44; inmunosupresores y anticuerpos anti factor de necrosis tumoral&#46; Algunos pacientes no responden&#44; por lo que es necesario disponer de alternativas de tratamiento&#44; entre las que se encuentra UST&#46; Recientemente&#44; dos estudios fase IIb apuntan a que UST induce y mantiene la respuesta cl&#237;nica en la EC&#44; principalmente en pacientes con fracaso previo a infliximab y prote&#237;na C reactiva elevada en el momento del tratamiento&#46; A&#250;n quedan interrogantes por resolver&#44; como la dosis m&#225;s eficaz o la v&#237;a de administraci&#243;n m&#225;s adecuada&#44; y se precisan m&#225;s estudios para evaluar la eficacia y determinar el mejor esquema terap&#233;utico en la EC&#46;</p><p id="spar0020" class="elsevierStyleSimplePara elsevierViewall">El presente trabajo revisa la informaci&#243;n disponible hasta la fecha sobre la utilidad potencial de este nuevo agente en el tratamiento de la APs y la EC&#46;</p>"
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        "resumen" => "<p id="spar0025" class="elsevierStyleSimplePara elsevierViewall">Although ustekinumab is currently licensed for the treatment of psoriasis&#44; in view of the innovative mechanism of action of this biologic agent&#44; it is reasonable to hypothesize that it will&#44; in the near future&#44; be approved for other indications&#44; such as the treatment of psoriatic arthritis and Crohn disease&#46;</p><p id="spar0030" class="elsevierStyleSimplePara elsevierViewall">Interactions between genetic&#44; environmental&#44; and immunological factors play a key role in the pathogenesis of both psoriasis and psoriatic arthritis&#46; The IL-23&#47;T<span class="elsevierStyleInf">H</span>17 axis is one of the main pathogenic pathways in these diseases&#44; and there is ample evidence to support the use of pharmacologic agents targeting this pathway&#46; Ustekinumab&#44; a human monoclonal antibody that binds to the p40 subunit shared by IL-12 and IL-23&#44; is currently the only agent capable of modulating the IL-23&#47;T<span class="elsevierStyleInf">H</span>17 pathway&#46; While there is some evidence supporting the use of ustekinumab in the treatment of psoriatic arthritis&#44; more data on safety and efficacy are required&#46;</p><p id="spar0035" class="elsevierStyleSimplePara elsevierViewall">Crohn disease is a chronic inflammatory disease of unknown etiology that affects the digestive tract&#46; It is treated with corticosteroids&#44; immunosuppressants&#44; and anti-TNF agents&#46; Alternative treatments&#44; such as ustekinumab&#44; however&#44; are needed for patients who do not respond to conventional therapy&#46; The results of 2 recent phase IIb studies showed that ustekinumab induced and maintained clinical response in patients with Crohn disease&#59; most of those who responded well had previously been unsuccessfully treated with infliximab and had elevated C reactive protein levels at the time of treatment&#46; Many issues remain to be resolved&#44; including the establishment of an optimal dose and administration route&#46; Further studies are needed to evaluate the efficacy of ustekinumab in Crohn disease and to determine the best treatment regimen&#46;</p><p id="spar0040" class="elsevierStyleSimplePara elsevierViewall">The present chapter reviews the current evidence on the potential usefulness of ustekinumab in the treatment of psoriatic arthritis and Crohn disease&#46;</p>"
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Ustekinumab en la artritis psoriásica y la enfermedad de Crohn
Ustekinumab in Psoriatic Arthritis and Crohn Disease
R. Queiroa,
Corresponding author
queiro@mixmail.com

Autor para correspondencia.
, D. Ginardb
a Servicio de Reumatología. Hospital Universitario Central de Asturias. Oviedo. Asturias. España
b Servicio de Aparato Digestivo. Hospital Universitario Son Espases. Palma de Mallorca. Mallorca. España
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        "resumen" => "<p id="spar0005" class="elsevierStyleSimplePara elsevierViewall">Aunque la indicaci&#243;n principal de ustekinumab &#40;UST&#41; en el momento actual es la psoriasis&#44; su innovador mecanismo de acci&#243;n aventura otras indicaciones en un futuro pr&#243;ximo&#44; entre ellas&#44; la artritis psori&#225;sica &#40;APs&#41; y la enfermedad de Crohn &#40;EC&#41;&#46;</p><p id="spar0010" class="elsevierStyleSimplePara elsevierViewall">La psoriasis y la APs son entidades donde la interacci&#243;n de elementos de restricci&#243;n gen&#233;tica&#44; junto a factores ambientales e inmunol&#243;gicos juegan un papel clave para dar lugar a las manifestaciones propias de ambas enfermedades&#46; Una de las principales v&#237;as patog&#233;nicas en estas condiciones es el eje IL-23&#47;Th17&#44; y existen sobradas evidencias para apoyar intervenciones farmacol&#243;gicas sobre el mismo&#46; En el momento actual&#44; s&#243;lo disponemos de un agente con capacidad de actuar sobre esta diana&#44; UST&#44; un anticuerpo monoclonal humano frente a la subunidad com&#250;n p40 de la IL-12 e IL-23&#46; Aunque disponemos de cierta informaci&#243;n sobre su utilidad en el tratamiento de la APs&#44; a&#250;n precisamos de m&#225;s datos sobre su eficacia y seguridad en este campo&#46;</p><p id="spar0015" class="elsevierStyleSimplePara elsevierViewall">Por otra parte&#44; la EC es una enfermedad inflamatoria cr&#243;nica de etiolog&#237;a desconocida que afecta al tubo digestivo&#46; El tratamiento consiste en el uso de corticoides&#44; inmunosupresores y anticuerpos anti factor de necrosis tumoral&#46; Algunos pacientes no responden&#44; por lo que es necesario disponer de alternativas de tratamiento&#44; entre las que se encuentra UST&#46; Recientemente&#44; dos estudios fase IIb apuntan a que UST induce y mantiene la respuesta cl&#237;nica en la EC&#44; principalmente en pacientes con fracaso previo a infliximab y prote&#237;na C reactiva elevada en el momento del tratamiento&#46; A&#250;n quedan interrogantes por resolver&#44; como la dosis m&#225;s eficaz o la v&#237;a de administraci&#243;n m&#225;s adecuada&#44; y se precisan m&#225;s estudios para evaluar la eficacia y determinar el mejor esquema terap&#233;utico en la EC&#46;</p><p id="spar0020" class="elsevierStyleSimplePara elsevierViewall">El presente trabajo revisa la informaci&#243;n disponible hasta la fecha sobre la utilidad potencial de este nuevo agente en el tratamiento de la APs y la EC&#46;</p>"
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        "resumen" => "<p id="spar0025" class="elsevierStyleSimplePara elsevierViewall">Although ustekinumab is currently licensed for the treatment of psoriasis&#44; in view of the innovative mechanism of action of this biologic agent&#44; it is reasonable to hypothesize that it will&#44; in the near future&#44; be approved for other indications&#44; such as the treatment of psoriatic arthritis and Crohn disease&#46;</p><p id="spar0030" class="elsevierStyleSimplePara elsevierViewall">Interactions between genetic&#44; environmental&#44; and immunological factors play a key role in the pathogenesis of both psoriasis and psoriatic arthritis&#46; The IL-23&#47;T<span class="elsevierStyleInf">H</span>17 axis is one of the main pathogenic pathways in these diseases&#44; and there is ample evidence to support the use of pharmacologic agents targeting this pathway&#46; Ustekinumab&#44; a human monoclonal antibody that binds to the p40 subunit shared by IL-12 and IL-23&#44; is currently the only agent capable of modulating the IL-23&#47;T<span class="elsevierStyleInf">H</span>17 pathway&#46; While there is some evidence supporting the use of ustekinumab in the treatment of psoriatic arthritis&#44; more data on safety and efficacy are required&#46;</p><p id="spar0035" class="elsevierStyleSimplePara elsevierViewall">Crohn disease is a chronic inflammatory disease of unknown etiology that affects the digestive tract&#46; It is treated with corticosteroids&#44; immunosuppressants&#44; and anti-TNF agents&#46; Alternative treatments&#44; such as ustekinumab&#44; however&#44; are needed for patients who do not respond to conventional therapy&#46; The results of 2 recent phase IIb studies showed that ustekinumab induced and maintained clinical response in patients with Crohn disease&#59; most of those who responded well had previously been unsuccessfully treated with infliximab and had elevated C reactive protein levels at the time of treatment&#46; Many issues remain to be resolved&#44; including the establishment of an optimal dose and administration route&#46; Further studies are needed to evaluate the efficacy of ustekinumab in Crohn disease and to determine the best treatment regimen&#46;</p><p id="spar0040" class="elsevierStyleSimplePara elsevierViewall">The present chapter reviews the current evidence on the potential usefulness of ustekinumab in the treatment of psoriatic arthritis and Crohn disease&#46;</p>"
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ISSN: 00017310
Original language: Spanish
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