{"id":19260,"date":"2021-07-15T13:34:09","date_gmt":"2021-07-15T11:34:09","guid":{"rendered":"https:\/\/asscat-hepatitis.org\/?p=19260"},"modified":"2021-07-15T13:34:09","modified_gmt":"2021-07-15T11:34:09","slug":"lhepatitis-c-podria-tenir-vacuna-en-cinc-anys-segons-el-premi-nobel-que-va-descobrir-el-virus","status":"publish","type":"post","link":"https:\/\/asscat-hepatitis.org\/ca\/lhepatitis-c-podria-tenir-vacuna-en-cinc-anys-segons-el-premi-nobel-que-va-descobrir-el-virus\/","title":{"rendered":"L\u2019hepatitis C podria tenir vacuna en cinc anys, segons el Premi Nobel que va descobrir el virus"},"content":{"rendered":"<p>[et_pb_section bb_built=&#8221;1&#8243; disabled_on=&#8221;off|off|off&#8221; _builder_version=&#8221;3.0.106&#8243; custom_margin=&#8221;|||&#8221; custom_padding=&#8221;0px||0px|&#8221; next_background_color=&#8221;#000000&#8243;][et_pb_row custom_padding=&#8221;0px||0px|&#8221; _builder_version=&#8221;3.0.106&#8243; background_size=&#8221;initial&#8221; background_position=&#8221;top_left&#8221; background_repeat=&#8221;repeat&#8221;][et_pb_column type=&#8221;4_4&#8243;][et_pb_post_title author=&#8221;off&#8221; date_format=&#8221;d\/m\/Y&#8221; comments=&#8221;off&#8221; featured_placement=&#8221;background&#8221; text_background=&#8221;on&#8221; text_bg_color=&#8221;#ffffff&#8221; module_class=&#8221;ac-post-title-section-0&#8243; _builder_version=&#8221;3.0.106&#8243; title_font=&#8221;Montserrat|600|||||||&#8221; title_text_color=&#8221;#2d2d2d&#8221; title_letter_spacing=&#8221;-1px&#8221; title_line_height=&#8221;1.2em&#8221; meta_font=&#8221;Open Sans||||||||&#8221; meta_text_color=&#8221;rgba(45,45,45,0.5)&#8221; text_orientation=&#8221;center&#8221; custom_margin=&#8221;|||&#8221; custom_padding=&#8221;|20px|20px|20px&#8221; title_text_align=&#8221;center&#8221; meta_font_size=&#8221;13px&#8221; meta_text_align=&#8221;center&#8221;]<\/p>\n<p>&nbsp;<\/p>\n<p>[\/et_pb_post_title][\/et_pb_column][\/et_pb_row][\/et_pb_section][et_pb_section bb_built=&#8221;1&#8243; _builder_version=&#8221;3.0.106&#8243; custom_padding=&#8221;||0px|&#8221; prev_background_color=&#8221;#000000&#8243; module_class=&#8221;ac-post-section-share-rrss&#8221; next_background_color=&#8221;#000000&#8243;][et_pb_row custom_padding=&#8221;||0px|&#8221; custom_margin=&#8221;|||&#8221; _builder_version=&#8221;3.0.105&#8243; background_size=&#8221;initial&#8221; background_position=&#8221;top_left&#8221; background_repeat=&#8221;repeat&#8221;][et_pb_column type=&#8221;4_4&#8243;][et_pb_divider color=&#8221;#e20611&#8243; show_divider=&#8221;on&#8221; divider_style=&#8221;ridge&#8221; _builder_version=&#8221;3.0.106&#8243; \/][et_pb_text _builder_version=&#8221;3.0.106&#8243; text_font=&#8221;Montserrat||||||||&#8221; text_text_color=&#8221;#e20611&#8243; text_orientation=&#8221;center&#8221; custom_margin=&#8221;||0px|&#8221; custom_padding=&#8221;|||&#8221; background_layout=&#8221;light&#8221; disabled=&#8221;on&#8221;]<\/p>\n<h5>Desde aqu\u00ed puedes compartir esta publicaci\u00f3n. \u00a1Gracias!<\/h5>\n<p>[\/et_pb_text][\/et_pb_column][\/et_pb_row][\/et_pb_section][et_pb_section bb_built=&#8221;1&#8243; specialty=&#8221;on&#8221; _builder_version=&#8221;3.0.106&#8243; custom_padding=&#8221;0px|||&#8221; prev_background_color=&#8221;#000000&#8243;][et_pb_column type=&#8221;2_3&#8243; specialty_columns=&#8221;2&#8243;][et_pb_row_inner admin_label=&#8221;Fila&#8221; _builder_version=&#8221;3.0.106&#8243;][et_pb_column_inner type=&#8221;4_4&#8243; saved_specialty_column_type=&#8221;2_3&#8243;][et_pb_text admin_label=&#8221;Contenido Entrada 1&#8243; ul_type=&#8221;square&#8221; module_class=&#8221;ac-posts-content&#8221; _builder_version=&#8221;3.0.106&#8243; text_orientation=&#8221;justified&#8221; background_layout=&#8221;light&#8221; disabled=&#8221;on&#8221;]<\/p>\n<h3>El professor Sir Michael Houghton veu m\u00e9s a prop una protecci\u00f3 efica\u00e7 contra la infecci\u00f3.<\/h3>\n<p>Una vacuna que protegeixi contra la infecci\u00f3 de l\u2019hepatitis C podria estar en \u00fas en cinc anys, segons ha afirmat el professor Sir Michael Houghton, que va guanyar el Premi Nobel de Medicina i Fisiologia juntament amb altres tres cient\u00edfics per descobrir el virus de l\u2019hepatitis C (VHC) el 1989, en una intervenci\u00f3 al\u00a0<strong>Congr\u00e9s Europeu de Microbiologia Cl\u00ednica i Malalties Infeccioses (ECCMID, en les seves sigles en angl\u00e8s)<\/strong><strong>.<\/strong><\/p>\n<p>Cada any es produeixen fins a 2 milions de noves infeccions pel VHC a tot el m\u00f3n, i es calcula que hi ha 70 milions de portadors del virus, la majoria dels quals no estan diagnosticats. Es calcula que el virus causa unes 400.000 morts a l\u2019any. Moltes persones infectades pel virus acaben desenvolupant cirrosi i c\u00e0ncer de fetge.<\/p>\n<p><em>\u201cEncara que l\u2019arribada dels antivirals d\u2019acci\u00f3 directa (AAD) per curar l\u2019hepatitis C ens ha proporcionat un arma enorme per canviar el rumb d\u2019aquesta pand\u00e8mia, no hi ha dubte que es necessita una vacuna per ajudar al m\u00f3n a aconseguir el seu ambici\u00f3s objectiu de reduir les noves infeccions per hepatitis C en un 90% i les taxes de mortalitat en un 65% pel 2030\u201d<\/em>, explica Sir Michael, que actualment treballa a l\u2019Institut de Virologia Aplicada Li Ka Shing de la Universitat d\u2019Alberta (Canad\u00e0).<\/p>\n<p>Segons ha senyalat, tot i que pa\u00efsos com Egipte han aconseguit realitzar enormes programes de control de l\u2019hepatitis C (50 milions de cribratges i 4 milions tractats i curats amb AAD des del 2014), nom\u00e9s han pogut fer-ho gr\u00e0cies a la producci\u00f3 massiva de medicaments gen\u00e8rics (a 84 d\u00f2lars per pacients, uns 71 euros). No obstant, el cost per pacient als pa\u00efsos de renda alta \u00e9s d\u2019uns 20.000 d\u00f2lars per pacient, uns 17.000 euros.<\/p>\n<p>L\u2019expert ha destacat com la comunitat cient\u00edfica ha apr\u00e8s quines s\u00f3n les respostes immunit\u00e0ries que protegeixen contra la infecci\u00f3 pel VHC, i moltes tecnologies, entre elles la nova tecnologia d\u2019ARN (emprada a les vacunes COVID-19 de Pfizer i Moderna) i les tecnologies basades en adenovirus (desenvolupades per la Universitat d\u2019Oxford i\u00a0AstraZeneca, i Johnson &amp; Johnson) s\u00f3n capaces de reproduir aquestes respostes immunit\u00e0ries protectores mitjan\u00e7ant la vacunaci\u00f3.<\/p>\n<p>Sir Michael i els seus col\u00b7legues de l\u2019Institut de Virologia Aplicada Li Ka Shing estan desenvolupant actualment una vacuna recombinant adjuvada, de la qual s\u2019espera que indueixi la producci\u00f3 d\u2019anticossos contra m\u00faltiples ep\u00edtops de neutralitzaci\u00f3 creuada, dificultant que el virus escapi a la resposta immunit\u00e0ria humoral. Dit d\u2019una altra manera, \u00e9s probable que aquesta vacuna produeixi molts anticossos diferents que puguin prevenir la infecci\u00f3 pel VHC, el que dificultar\u00e0 que el virus els evadeixi per mutaci\u00f3 i, per tant, protegir\u00e0 al receptor de la vacuna de la infecci\u00f3 per l\u2019hepatitis C.<\/p>\n<p>Ha senyalat, aix\u00ed mateix, que la\u00a0pand\u00e8mia de COVID-19\u00a0ha retardat molts \u00e0mbits de la investigaci\u00f3 m\u00e8dica, incl\u00f2s el treball sobre les vacunes contra l\u2019hepatitis C, per\u00f2 preveu que el 2022 es realitzin assajos de fase 1 amb diferents adjuvants, seguits d\u2019efic\u00e0cia en humans de fase 2 entre el 2023 i el 2026, ja sigui en una poblaci\u00f3 de risc, com les persones que s\u2019injecten drogues, o mitjan\u00e7ant assajos de provocaci\u00f3 de vacunes en humans.<\/p>\n<p><em>\u201cSi es demostra la seguretat i l\u2019efic\u00e0cia, el desplegament de la vacuna a la poblaci\u00f3 d\u2019alt risc de persones que s\u2019injecten drogues podria comen\u00e7ar el 2026\/2027. Els assajos de fase 3, la vacuna contra l\u2019hepatitis C podria estendre\u2019s a altres grups d\u2019alt risc el 2029 o prop d\u2019aquella data, com els homes que mantenen relacions sexuals amb homes, els treballadors sanitaris i els nadons nascuts de mares amb hepatitis C, a tots els pa\u00efsos del m\u00f3n\u201d<\/em>.<\/p>\n<p>Utilitzant el Canad\u00e0 com a exemple, Sir Michael ha subratllat l\u2019enorme estalvi de costos que podria generar una vacuna exitosa: es calcula que el tractament de les persones que s\u2019injecten drogues amb AAD al llarg d\u2019una d\u00e8cada suposaria uns costos de medicaments d\u2019uns 800 milions de d\u00f2lars (uns 678 milions d\u2019euros), en comparaci\u00f3 amb els 16 milions de d\u00f2lars (13,5 milions d\u2019euros), en comparaci\u00f3 amb els 16 milions de d\u00f2lars (13,5 milions d\u2019euros) que es calcula que costaria la vacuna per protegir a la mateixa poblaci\u00f3.<\/p>\n<p>&nbsp;<\/p>\n<p>Font: <a href=\"https:\/\/www.lne.es\/vida-y-estilo\/salud\/2021\/07\/13\/hepatitis-c-vacuna-cinco-anos-54984797.html\">lne.es<\/a><\/p>\n<p>Not\u00edcia tradu\u00efda per l\u2019ASSCAT<\/p>\n<p>[\/et_pb_text][\/et_pb_column_inner][\/et_pb_row_inner][et_pb_row_inner admin_label=&#8221;Fila&#8221; 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area=&#8221;et_pb_widget_area_8&#8243; module_class=&#8221;ac-posts-sidebar&#8221; _builder_version=&#8221;3.0.106&#8243; global_module=&#8221;3198&#8243; saved_tabs=&#8221;all&#8221;]<\/p>\n<p>&nbsp;<\/p>\n<p>[\/et_pb_sidebar][\/et_pb_column][\/et_pb_section]<\/p>\n<!-- Begin Yuzo --><div class='yuzo_related_post style-1'  data-version='5.12.77'><!-- without result --><div class='yuzo_clearfixed yuzo__title yuzo__title'><h3>Related Post<\/h3><\/div>\n\t\t\t\t\t\t  <div class=\"relatedthumb \" style=\"width:125px;float:left;overflow:hidden;\">  \n\t\t\t\t\t\t\t  \n\t\t\t\t\t\t\t  <a  href=\"https:\/\/asscat-hepatitis.org\/ca\/experts-fan-balanc-del-pla-de-lhepatitis-c-i-dibuixen-els-nous-reptes\/\"  >\n\t\t\t\t\t\t\t\t\t  <div class=\"yuzo-img-wrap \" style=\"width: 125px;height:90px;\">\n\t\t\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t\t\t<div class=\"yuzo-img\" style=\"background:url('https:\/\/asscat-hepatitis.org\/wp-content\/uploads\/jornada-hepycure-santiago-1-150x150.jpg') 50% 50% no-repeat;width: 125px;height:90px;margin-bottom: 5px;background-size: cover; 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