{"id":18755,"date":"2021-04-12T09:07:56","date_gmt":"2021-04-12T07:07:56","guid":{"rendered":"https:\/\/asscat-hepatitis.org\/?p=18755"},"modified":"2021-04-12T09:07:56","modified_gmt":"2021-04-12T07:07:56","slug":"les-persones-amb-vih-i-hepatitis-b-han-de-sotmetres-a-un-seguiment-continu-del-cancer-de-fetge","status":"publish","type":"post","link":"https:\/\/asscat-hepatitis.org\/ca\/les-persones-amb-vih-i-hepatitis-b-han-de-sotmetres-a-un-seguiment-continu-del-cancer-de-fetge\/","title":{"rendered":"Les persones amb VIH i hepatitis B han de sotmetre\u2019s a un seguiment continu del c\u00e0ncer de fetge"},"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;]<\/p>\n<h3>Les persones amb coinfecci\u00f3 per VIH i hepatitis B segueixen en risc de desenvolupar carcinoma hepatocel\u00b7lular (CHC) malgrat el tractament antiviral i han de sotmetre\u2019s a un seguiment regular del c\u00e0ncer de fetge, segons una investigaci\u00f3 presentada a la Confer\u00e8ncia virtual sobre retrovirus i infecciones oportunistes (CROI 2021).<\/h3>\n<p>\u201cEls nostres descobriments subratllen que la ter\u00e0pia antiviral redueix per\u00f2 no elimina el risc de CHC\u201d, va indicar la Dra. H. Nina Kim de la Universitat de Washington a Seattle durant la seva presentaci\u00f3.<\/p>\n<p>Durant anys o d\u00e8cades, la infecci\u00f3 cr\u00f2nica pel virus de l\u2019hepatitis B (VHB) pot provocar problemes hep\u00e0tics greus, com cirrosi i CHC, el tipus m\u00e9s com\u00fa de c\u00e0ncer de fetge. L\u2019hepatitis B es troba entre les principals causes de c\u00e0ncer de fetge a tot el m\u00f3n. Algunes investigacions anteriors han demostrat que les persones que viuen tant amb el VIH com amb el VHB tendeixen a tenir una progressi\u00f3 m\u00e9s r\u00e0pida de la malaltia hep\u00e0tica.<\/p>\n<p>Els an\u00e0legs de nucle\u00f2sids \/ nucle\u00f2tids com tenofovir disoproxil fumarat i tenofovir alafenamida poden mantenir la replicaci\u00f3 del VHB sota control indefinidament, i es recomana a les persones amb coinfecci\u00f3 per VIH \/ VHB que utilitzin r\u00e8gims antiretrovirals que incloguin medicaments actius contra ambd\u00f3s virus. Per\u00f2 aquest tractament rara vegada condueix a la cura de l\u2019hepatitis B.<\/p>\n<p>Kim i els seus col\u00b7legues van avaluar els factors de risc de CHC entre les persones amb coinfecci\u00f3 pel VIH i el VHB en 22 cohorts que formen la Col\u00b7laboraci\u00f3 de Cohorts d\u2019Investigaci\u00f3 i Disseny de Cohorts de SIDA d\u2019Am\u00e8rica del Nord (NA-ACCORD).<\/p>\n<p>Entre les gaireb\u00e9 124.000 persones VIH positives incloses a les cohorts entre el 1995 i el 2016, es va identificar un total de 9.383 persones amb coinfecci\u00f3 VIH \/ VHB. Despr\u00e9s d\u2019excloure a aquells amb dades inadequades i a aquells que ja tenien HCC, es van incloure 8.354 persones en aquest estudi.<\/p>\n<p>La majoria dels participants (93%) eren homes, el 41% eren negres i la mitjana d\u2019edat era de 43 anys. Aproximadament un ter\u00e7 va informar un consum excessiu d\u2019alcohol, el 22% tenia hepatitis C cr\u00f2nica i el 12% tenia obesitat, que tamb\u00e9 s\u00f3n factors de risc per a la progressi\u00f3 de la malaltia hep\u00e0tica. De manera preocupant, el 45% no tenia supressi\u00f3 del VIH. Aproximadament una quarta part eren positius per a l\u2019antigen de l\u2019hepatitis B \u2018e\u2019 (HBeAg) i el 76% prenia antiretrovirals actius contra el VHB.<\/p>\n<p>Kim va recon\u00e8ixer que la manca de dones va ser una limitaci\u00f3 de l\u2019estudi, a l\u2019igual que l\u2019abs\u00e8ncia de dades sobre la malaltia del fetge gras, l\u2019estat de la cirrosi o la infecci\u00f3 per hepatitis delta (que de vegades pot tenir lloc juntament amb el VHB i conduir a una malaltia hep\u00e0tica m\u00e9s agressiva).<\/p>\n<p>Quant a la poblaci\u00f3 d\u2019estudi completa, va haver-hi 115 nous casos de CHC, o 1,8 per 1.000 persones\/any. L\u2019edat avan\u00e7ada, el consum excessiu d\u2019alcohol i l\u2019hepatitis C cr\u00f2nica van ser factors de risc independents de c\u00e0ncer de fetge. No obstant, no va haver-hi una associaci\u00f3 significativa amb la c\u00e0rrega viral del VIH o el percentage de CD4.<\/p>\n<p>Aproximadament dos ter\u00e7os dels participants tenien dades quantitatives disponibles sobre la c\u00e0rrega viral del VHB. En un segon model que va analitzar aquest subgrup, tenir ADN del VHB per sobre de 200 UI\/ml gaireb\u00e9 va triplicar el risc de desenvolupar HCC, i les probabilitats van ser m\u00e9s de quatre cops majors per aquells amb nivells de VHB superiors a 20.000 UI\/ml.<\/p>\n<p>En un tercer model que va analitzar l\u2019efecte del tractament de l\u2019hepatitis B, la supressi\u00f3 sostinguda del VHB durant un any o m\u00e9s es va associar amb una reducci\u00f3 del 58% en el risc de CHC, mentre que la supressi\u00f3 durant quatre anys o m\u00e9s va reduir el risc en un 66%.<\/p>\n<p>Aquest estudi, van concloure els investigadors, \u00e9s el primer en mostrar que qualsevol nivell de vir\u00e8mia pel VHB s\u2019associa amb un major risc de CHC en una cohort gran i racialment diversa fora d\u2019\u00c0sia.<\/p>\n<p><em>\u201cLes dades destaquen la import\u00e0ncia de la vigil\u00e0ncia del VHB i l\u2019optimitzaci\u00f3 de la supressi\u00f3 del VHB\u201d<\/em>, va explicar Kim. <em>\u201cPer obtenir el m\u00e0xim beneficio protector de la ter\u00e0pia antiviral per a la prevenci\u00f3 de l\u2019HCC, pot ser necess\u00e0ria una supressi\u00f3 sostinguda i idealment ininterrompuda del VHB durant anys\u201d<\/em>.<\/p>\n<p>&nbsp;<\/p>\n<p>Font: <a href=\"http:\/\/infohep.org\/People-with-HIV-and-hepatitis-B-should-have-ongoing-monitoring-for-liver-cancer\/page\/3549578\/\">infohep.org<\/a><\/p>\n<p>Refer\u00e8ncia: Kim HN et al. Hepatocellular carcinoma and HBV viremia in HIV\/HBV-coinfected persons in NA-ACCORD. Conference on Retroviruses and Opportunistic Infections, abstract 136, 2021.<\/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; custom_padding=&#8221;0px|||&#8221; _builder_version=&#8221;3.0.105&#8243; custom_margin=&#8221;|||&#8221;][et_pb_column_inner type=&#8221;4_4&#8243; saved_specialty_column_type=&#8221;2_3&#8243;][et_pb_post_title admin_label=&#8221;Metadatos &#8211; Fecha \u00daltima actualizaci\u00f3n&#8221; title=&#8221;off&#8221; author=&#8221;off&#8221; date_format=&#8221;d\/m\/Y&#8221; categories=&#8221;off&#8221; comments=&#8221;off&#8221; featured_image=&#8221;off&#8221; _builder_version=&#8221;3.0.106&#8243; title_text_align=&#8221;left&#8221; meta_font=&#8221;Open Sans||||||||&#8221; meta_text_align=&#8221;left&#8221; meta_font_size=&#8221;13px&#8221; meta_text_color=&#8221;#0082ca&#8221; border_width_top=&#8221;1px&#8221; border_color_top=&#8221;#cccccc&#8221; 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