{"id":13965,"date":"2026-01-31T03:45:52","date_gmt":"2026-01-31T03:45:52","guid":{"rendered":"https:\/\/lobosnews.com.ar\/index.php\/2026\/01\/31\/la-inmunoterapia-aprobada-reduce-y-elimina-melanoma-raro-y-agresivo-segun-concluye-un-ensayo-clinico\/"},"modified":"2026-01-31T05:51:29","modified_gmt":"2026-01-31T05:51:29","slug":"la-inmunoterapia-aprobada-reduce-y-elimina-melanoma-raro-y-agresivo-segun-concluye-un-ensayo-clinico","status":"publish","type":"post","link":"https:\/\/lobosnews.com.ar\/index.php\/2026\/01\/31\/la-inmunoterapia-aprobada-reduce-y-elimina-melanoma-raro-y-agresivo-segun-concluye-un-ensayo-clinico\/","title":{"rendered":"La inmunoterapia aprobada reduce y elimina melanoma raro y agresivo, seg\u00fan concluye un ensayo cl\u00ednico"},"content":{"rendered":"<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/lobosnews.com.ar\/wp-content\/uploads\/2026\/01\/la-inmunoterapia-aprobada-reduce-y-elimina-melanoma-raro-y-agresivo-segun-concluye-un-ensayo-clinico.jpg\" alt=\"\" height=\"800\" width=\"1200\"\/><\/p>\n<p>VIERNES, 30 de enero de 2026 (HealthDay News) &#8212; Un f\u00e1rmaco de inmunoterapia ya aprobado puede reducir &#8212; o incluso eliminar &#8212; dr\u00e1sticamente los tumores asociados a una forma rara y agresiva de melanoma, seg\u00fan ha revelado un nuevo ensayo cl\u00ednico.<\/p>\n<p>Aproximadamente el 71% de los pacientes con melanoma desmopl\u00e1stico tratados con pembrolizumab (Keytruda) no ten\u00edan c\u00e1ncer detectable cuando lleg\u00f3 el momento de extirpar quir\u00fargicamente su tumor, informaron los investigadores el 29 de enero en la revista Nature Cancer.<\/p>\n<p>Como resultado, los pacientes se salvaron de cirug\u00edas desfigurantes o de recibir m\u00e1s tratamientos, seg\u00fan los investigadores.<\/p>\n<p>\u00abEstamos viendo que el melanoma desmopl\u00e1stico, que puede ser dif\u00edcil de eliminar quir\u00fargicamente, responde extremadamente bien a la inmunoterapia\u00bb, dijo el investigador principal Dr. Antoni Ribas, director del Programa de Inmunolog\u00eda Tumoral del Centro Integral de C\u00e1ncer Jonsson de UCLA Health.<\/p>\n<p>\u00abDescubrimos que administrar pembrolizumab antes de la cirug\u00eda es un enfoque potente y seguro que reduce la necesidad de procedimientos invasivos y mejora los resultados a largo plazo\u00bb, afirm\u00f3 en un comunicado de prensa.<\/p>\n<p>El melanoma desmopl\u00e1stico representa solo alrededor del 4% de todos los melanomas cut\u00e1neos, seg\u00fan el Memorial Sloan Kettering Cancer Center.<\/p>\n<p>Pero como el melanoma crece profundamente en los tejidos, a veces a lo largo de los nervios, puede dificultar la cirug\u00eda y potencialmente desfigurar, seg\u00fan los investigadores en notas de fondo.<\/p>\n<p>El tratamiento t\u00edpico implica una amplia excisi\u00f3n quir\u00fargica seguida de radioterapia. Los casos avanzados tienden a ser en gran medida resistentes a la quimioterapia o la inmunoterapia, seg\u00fan los investigadores.<\/p>\n<p>Sin embargo, hallazgos anteriores hab\u00edan demostrado que el pembrolizumab reduc\u00eda los tumores en casi el 90% de los pacientes con melanoma desmopl\u00e1stico avanzado e inoperable, se\u00f1alaron los investigadores.<\/p>\n<p>Esto motiv\u00f3 el nuevo estudio, que analiz\u00f3 si el pembrolizumab pod\u00eda ayudar a pacientes con melanomas removibles quir\u00fargicamente.<\/p>\n<p>El pembrolizumab act\u00faa bloqueando un mecanismo que las c\u00e9lulas cancerosas utilizan para evadir la detecci\u00f3n por parte del sistema inmunitario, seg\u00fan Drugs.com. La Administraci\u00f3n de Alimentos y Medicamentos de EE. UU. (FDA) lo aprob\u00f3 por primera vez en 2014 como tratamiento para el melanoma inoperable, y desde entonces se ha indicado que trata una amplia variedad de tipos de c\u00e1ncer.<\/p>\n<p>En este estudio, 28 pacientes con melanoma desmopl\u00e1stico removible quir\u00fargicamente recibieron tres infusiones de pembrolizumab durante nueve semanas antes de la cirug\u00eda programada.<\/p>\n<p>En el momento de la cirug\u00eda, el 71% de los pacientes no ten\u00eda c\u00e1ncer detectable, seg\u00fan los investigadores.<\/p>\n<p>En un seguimiento de tres a\u00f1os, el 95% de los pacientes no hab\u00edan muerto por melanoma y el 74% segu\u00eda libre de c\u00e1ncer, seg\u00fan el estudio.<\/p>\n<p>\u00abAdministrar pembrolizumab antes de la cirug\u00eda provoc\u00f3 tasas muy altas de eliminaci\u00f3n tumoral, pocos efectos secundarios graves y una excelente supervivencia a tres a\u00f1os para los pacientes con este c\u00e1ncer raro y dif\u00edcil de tratar\u00bb, explic\u00f3 Ribas.<\/p>\n<p>\u00abJunto con nuestros hallazgos anteriores en pacientes con enfermedad avanzada, estos resultados representan un verdadero cambio en la forma en que se trata el melanoma desmopl\u00e1stico, pasando de las cirug\u00edas repetidas y la radioterapia hacia una \u00fanica terapia que ofrezca un control duradero, mejor supervivencia y mejor calidad de vida\u00bb, afirm\u00f3.<\/p>\n<p>M\u00e1s informaci\u00f3n<\/p>\n<p>El Memorial Sloan Kettering Cancer Center tiene m\u00e1s informaci\u00f3n sobre melanoma desmopl\u00e1stico.<\/p>\n<p>FUENTE: UCLA, comunicado de prensa, 29 de enero de 2026<\/p>\n","protected":false},"excerpt":{"rendered":"<p>VIERNES, 30 de enero de 2026 (HealthDay News) &#8212; Un f\u00e1rmaco de inmunoterapia ya aprobado puede reducir &#8212; o incluso eliminar &#8212; dr\u00e1sticamente los tumores asociados a una forma rara y agresiva de melanoma, seg\u00fan ha revelado un nuevo ensayo cl\u00ednico. Aproximadamente el 71% de los pacientes con melanoma desmopl\u00e1stico tratados con pembrolizumab (Keytruda) no&#8230;<\/p>\n","protected":false},"author":1,"featured_media":13968,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[81],"tags":[],"class_list":["post-13965","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-salud"],"magazineBlocksPostFeaturedMedia":{"thumbnail":"https:\/\/lobosnews.com.ar\/wp-content\/uploads\/2026\/01\/la-inmunoterapia-aprobada-reduce-y-elimina-melanoma-raro-y-agresivo-segun-concluye-un-ensayo-clinico-150x150.jpg","medium":"https:\/\/lobosnews.com.ar\/wp-content\/uploads\/2026\/01\/la-inmunoterapia-aprobada-reduce-y-elimina-melanoma-raro-y-agresivo-segun-concluye-un-ensayo-clinico-300x200.jpg","medium_large":"https:\/\/lobosnews.com.ar\/wp-content\/uploads\/2026\/01\/la-inmunoterapia-aprobada-reduce-y-elimina-melanoma-raro-y-agresivo-segun-concluye-un-ensayo-clinico-768x512.jpg","large":"https:\/\/lobosnews.com.ar\/wp-content\/uploads\/2026\/01\/la-inmunoterapia-aprobada-reduce-y-elimina-melanoma-raro-y-agresivo-segun-concluye-un-ensayo-clinico-1024x683.jpg","1536x1536":"https:\/\/lobosnews.com.ar\/wp-content\/uploads\/2026\/01\/la-inmunoterapia-aprobada-reduce-y-elimina-melanoma-raro-y-agresivo-segun-concluye-un-ensayo-clinico.jpg","2048x2048":"https:\/\/lobosnews.com.ar\/wp-content\/uploads\/2026\/01\/la-inmunoterapia-aprobada-reduce-y-elimina-melanoma-raro-y-agresivo-segun-concluye-un-ensayo-clinico.jpg","newsmatic-featured":"https:\/\/lobosnews.com.ar\/wp-content\/uploads\/2026\/01\/la-inmunoterapia-aprobada-reduce-y-elimina-melanoma-raro-y-agresivo-segun-concluye-un-ensayo-clinico-820x545.jpg","newsmatic-list":"https:\/\/lobosnews.com.ar\/wp-content\/uploads\/2026\/01\/la-inmunoterapia-aprobada-reduce-y-elimina-melanoma-raro-y-agresivo-segun-concluye-un-ensayo-clinico-600x400.jpg","newsmatic-thumb":"https:\/\/lobosnews.com.ar\/wp-content\/uploads\/2026\/01\/la-inmunoterapia-aprobada-reduce-y-elimina-melanoma-raro-y-agresivo-segun-concluye-un-ensayo-clinico-300x200.jpg","newsmatic-small":"https:\/\/lobosnews.com.ar\/wp-content\/uploads\/2026\/01\/la-inmunoterapia-aprobada-reduce-y-elimina-melanoma-raro-y-agresivo-segun-concluye-un-ensayo-clinico-150x95.jpg","newsmatic-grid":"https:\/\/lobosnews.com.ar\/wp-content\/uploads\/2026\/01\/la-inmunoterapia-aprobada-reduce-y-elimina-melanoma-raro-y-agresivo-segun-concluye-un-ensayo-clinico-400x250.jpg"},"magazineBlocksPostAuthor":{"name":"admin","avatar":"https:\/\/secure.gravatar.com\/avatar\/76e419471a2083bc3ceab22a763dbbf9b0c1bd15a6214cf3280e2c2dde4580f9?s=96&d=mm&r=g"},"magazineBlocksPostCommentsNumber":"0","magazineBlocksPostExcerpt":"VIERNES, 30 de enero de 2026 (HealthDay News) &#8212; Un f\u00e1rmaco de inmunoterapia ya aprobado puede reducir &#8212; o incluso eliminar &#8212; dr\u00e1sticamente los tumores asociados a una forma rara y agresiva de melanoma, seg\u00fan ha revelado un nuevo ensayo cl\u00ednico. Aproximadamente el 71% de los pacientes con melanoma desmopl\u00e1stico tratados con pembrolizumab (Keytruda) no...","magazineBlocksPostCategories":["Salud"],"magazineBlocksPostViewCount":167,"magazineBlocksPostReadTime":3,"magazine_blocks_featured_image_url":{"full":["https:\/\/lobosnews.com.ar\/wp-content\/uploads\/2026\/01\/la-inmunoterapia-aprobada-reduce-y-elimina-melanoma-raro-y-agresivo-segun-concluye-un-ensayo-clinico.jpg",1200,800,false],"medium":["https:\/\/lobosnews.com.ar\/wp-content\/uploads\/2026\/01\/la-inmunoterapia-aprobada-reduce-y-elimina-melanoma-raro-y-agresivo-segun-concluye-un-ensayo-clinico-300x200.jpg",300,200,true],"thumbnail":["https:\/\/lobosnews.com.ar\/wp-content\/uploads\/2026\/01\/la-inmunoterapia-aprobada-reduce-y-elimina-melanoma-raro-y-agresivo-segun-concluye-un-ensayo-clinico-150x150.jpg",150,150,true]},"magazine_blocks_author":{"display_name":"admin","author_link":"https:\/\/lobosnews.com.ar\/index.php\/author\/lobos-news\/"},"magazine_blocks_comment":0,"magazine_blocks_author_image":"https:\/\/secure.gravatar.com\/avatar\/76e419471a2083bc3ceab22a763dbbf9b0c1bd15a6214cf3280e2c2dde4580f9?s=96&d=mm&r=g","magazine_blocks_category":"<a href=\"#\" class=\"category-link category-link-81\">Salud<\/a>","yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.6 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>La inmunoterapia aprobada reduce y elimina melanoma raro y agresivo, seg\u00fan concluye un ensayo cl\u00ednico - Lobos News<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/lobosnews.com.ar\/index.php\/2026\/01\/31\/la-inmunoterapia-aprobada-reduce-y-elimina-melanoma-raro-y-agresivo-segun-concluye-un-ensayo-clinico\/\" \/>\n<meta property=\"og:locale\" content=\"es_ES\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"La inmunoterapia aprobada reduce y elimina melanoma raro y agresivo, seg\u00fan concluye un ensayo cl\u00ednico - Lobos News\" \/>\n<meta property=\"og:description\" content=\"VIERNES, 30 de enero de 2026 (HealthDay News) &#8212; Un f\u00e1rmaco de inmunoterapia ya aprobado puede reducir &#8212; o incluso eliminar &#8212; dr\u00e1sticamente los tumores asociados a una forma rara y agresiva de melanoma, seg\u00fan ha revelado un nuevo ensayo cl\u00ednico. 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