{"id":24158,"date":"2025-03-12T10:15:26","date_gmt":"2025-03-12T15:15:26","guid":{"rendered":"https:\/\/campeche-noticias.com\/?p=24158"},"modified":"2025-03-12T15:15:28","modified_gmt":"2025-03-12T15:15:28","slug":"lenacapavir-una-esperanza-para-la-prevencion-del-vih","status":"publish","type":"post","link":"https:\/\/campeche-noticias.com\/?p=24158","title":{"rendered":"Lenacapavir, una esperanza para la prevenci\u00f3n del VIH"},"content":{"rendered":"<p>\ud83d\udd38 Un estudio cl\u00ednico en fase 1 sugiere que una inyecci\u00f3n anual de este f\u00e1rmaco es segura y mantiene su presencia en el organismo durante m\u00e1s de un a\u00f1o, lo que podr\u00eda ampliar las opciones de profilaxis preexposici\u00f3n (PrEP)<\/p>\n<p>#SALUD | Un inyecci\u00f3n anual de un f\u00e1rmaco llamado lenacapavir es segura y prometedora como mediaci\u00f3n preventiva de acci\u00f3n prolongada frente al VIH, seg\u00fan los resultados de un estudio cl\u00ednico en fase 1 que publica The Lancet.<\/p>\n<p>Al tratarse de un ensayo en etapa inicial, se midi\u00f3 la seguridad y la respuesta fisiol\u00f3gica del organismo; no la eficacia en la prevenci\u00f3n de la infecci\u00f3n por VIH, y se necesitan estudios, incluso con participantes de grupos de poblaci\u00f3n m\u00e1s diversos.<\/p>\n<p>En todo caso, la investigaci\u00f3n indica que tras una inyecci\u00f3n intramuscular anual del citado medicamento las concentraciones de la medicaci\u00f3n permanecen en el organismo durante al menos 56 semanas.<\/p>\n<p>El estudio, presentado simult\u00e1neamente en la Conferencia anual sobre Retrovirus e Infecciones Oportunistas, es el primero que eval\u00faa una inyecci\u00f3n una vez al a\u00f1o de un medicamento de profilaxis preexposici\u00f3n al VIH (PPrE).<\/p>\n<p>La PrEP es un r\u00e9gimen de medicaci\u00f3n utilizado para prevenir la infecci\u00f3n por el VIH en personas con riesgo de exposici\u00f3n al virus, impidiendo que penetre y se reproduzca en las c\u00e9lulas humanas, pero no se trata de lo mismo que una vacuna, que actualmente no existe.<\/p>\n<p>La PrEP est\u00e1 aprobada en forma de p\u00edldora diaria o de inyecci\u00f3n cada dos meses y si se toma correctamente tiene una eficacia superior al 90 por ciento en la prevenci\u00f3n del VIH.<\/p>\n<p>En 2023 se podr\u00edan haber beneficiado de este tratamiento 21.2 millones de personas en el mundo, pero solo 3.5 millones lo recibieron, recuerda The Lancet.<\/p>\n<p>En el nuevo estudio, se inyect\u00f3 a 40 participantes sin VIH de entre 18 y 55 a\u00f1os una de las dos formulaciones de lenacapavir administradas como dosis \u00fanica.<\/p>\n<p>Posteriormente, se recogieron muestras de hasta 56 semanas para evaluar la seguridad y la farmacocin\u00e9tica (c\u00f3mo se desplaza un medicamento por el cuerpo) de la inyecci\u00f3n.<\/p>\n<p>La medicaci\u00f3n fue, en general, bien tolerada y no se identificaron problemas de seguridad cl\u00ednicamente significativos.<\/p>\n<p>Tras 56 semanas, las concentraciones plasm\u00e1ticas medias de lenacapavir intramuscular superaron las asociadas a la eficacia en los estudios de fase 3 de una inyecci\u00f3n subcut\u00e1nea dos veces al a\u00f1o para la PPrE.<\/p>\n<p>Los autores afirman que ampliar las opciones de la PPrE, como una posible inyecci\u00f3n una vez al a\u00f1o, puede ayudar a superar las barreras actuales al acceso y la adherencia e impulsar el progreso hacia la reducci\u00f3n de nuevas infecciones por VIH.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\ud83d\udd38 Un estudio cl\u00ednico en fase 1 sugiere que una inyecci\u00f3n anual de este f\u00e1rmaco<\/p>\n","protected":false},"author":1,"featured_media":24160,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[13],"tags":[],"class_list":["post-24158","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-salud"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.5 - 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