{"id":90773,"date":"2025-10-27T06:00:31","date_gmt":"2025-10-27T05:00:31","guid":{"rendered":"https:\/\/www.infokuryr.cz\/n\/?p=90773"},"modified":"2025-10-27T06:00:31","modified_gmt":"2025-10-27T05:00:31","slug":"injekcni-antikoncepce-od-pfizeru-se-poji-s-narustem-mozkovych-nadoru-a-media-mlci","status":"publish","type":"post","link":"https:\/\/www.infokuryr.cz\/n\/2025\/10\/27\/injekcni-antikoncepce-od-pfizeru-se-poji-s-narustem-mozkovych-nadoru-a-media-mlci\/","title":{"rendered":"Injek\u010dn\u00ed antikoncepce od Pfizeru se poj\u00ed s n\u00e1r\u016fstem mozkov\u00fdch n\u00e1dor\u016f \u2013 a m\u00e9dia ml\u010d\u00ed"},"content":{"rendered":"
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\u017deny, kter\u00e9 u\u017e\u00edvaj\u00ed injek\u010dn\u00ed antikoncepci od spole\u010dnosti Pfizer, \u010del\u00ed vy\u0161\u0161\u00edmu riziku vzniku mozkov\u00fdch n\u00e1dor\u016f, uv\u00e1d\u00ed nov\u00e1 ofici\u00e1ln\u00ed studie.<\/span><\/p>\n

Injekce Depo-Provera, co\u017e je obchodn\u00ed n\u00e1zev pro depotn\u00ed medroxyprogesteronacet\u00e1t (DMPA), obsahuje syntetick\u00fd progestinov\u00fd hormon, kter\u00fd blokuje uvoln\u011bn\u00ed vaj\u00ed\u010dka z vaje\u010dn\u00edk\u016f, aby se zabr\u00e1nilo t\u011bhotenstv\u00ed.<\/span><\/p>\n

Podle port\u00e1lu\u00a0<\/span>NYpost.com<\/span><\/a>\u00a0injekce, kter\u00e9 v ur\u010dit\u00e9m stadiu sv\u00e9ho \u017eivota pou\u017e\u00edv\u00e1 p\u0159ibli\u017en\u011b ka\u017ed\u00e1 \u010dtvrt\u00e1 sexu\u00e1ln\u011b aktivn\u00ed \u017eena v USA, \u00fa\u010dinkuj\u00ed p\u0159ibli\u017en\u011b t\u0159i m\u011bs\u00edce.<\/span><\/p>\n

V r\u00e1mci nov\u00e9 studie v\u00fdzkumn\u00edci prozkoumali z\u00e1znamy o v\u00edce ne\u017e 61 milionech pacientek a zjistili, \u017ee \u017eeny, kter\u00e9 u\u017e\u00edvaly DMPA, m\u011bly dvojn\u00e1sobn\u011b vy\u0161\u0161\u00ed riziko diagnostikov\u00e1n\u00ed meningiomu v porovn\u00e1n\u00ed se \u017eenami, kter\u00e9 neu\u017e\u00edvaly hormon\u00e1ln\u00ed antikoncepci.<\/span><\/p>\n

Meningiom je obvykle benign\u00ed, ale n\u00e1dory mohou zp\u016fsobit probl\u00e9my t\u00edm, \u017ee vyv\u00edjej\u00ed tlak na nervy nebo mozkov\u00e9 struktury. Onemocn\u011bn\u00ed postihuje \u017eeny \u010dast\u011bji ne\u017e mu\u017ee, pravd\u011bpodobn\u011b kv\u016fli vlivu \u017eensk\u00fdch hormon\u016f, kter\u00e9 podporuj\u00ed r\u016fst tohoto druhu n\u00e1doru.<\/span><\/p>\n

V\u00fdzkumn\u00edci z Clevelandsk\u00e9 kl\u00ednky a Univerzity Case Western Reserve zjistili nejv\u011bt\u0161\u00ed riziko meningiomu u \u017een, kter\u00e9 za\u010daly s u\u017e\u00edv\u00e1n\u00edm DMPA po dovr\u0161en\u00ed 31 let nebo u t\u011bch, kter\u00e9 ji u\u017e\u00edvaly v\u00edce ne\u017e \u010dty\u0159i roky.<\/span><\/p>\n

\u201eV t\u00e9to studii m\u011bly \u017eeny u\u017e\u00edvaj\u00edc\u00ed DMPA vy\u0161\u0161\u00ed relativn\u00ed riziko n\u00e1sledn\u00e9 diagn\u00f3zy meningiomu, zejm\u00e9na p\u0159i dlouhodob\u00e9 expozici a zah\u00e1jen\u00ed u\u017e\u00edv\u00e1n\u00ed ve vy\u0161\u0161\u00edm v\u011bku,\u201c<\/span><\/em>\u00a0napsali auto\u0159i studie v \u010dasopise JAMA Neurology.<\/span><\/p>\n

V\u00fdzkum byl observa\u010dn\u00ed, ne placebem kontrolovan\u00e1 studie, co\u017e znamen\u00e1, \u017ee neposkytl definitivn\u00ed d\u016fkaz, \u017ee DMPA zp\u016fsobuje meningiom.<\/span><\/p>\n

Co je medroxyprogesteron acet\u00e1t<\/span><\/h2>\n

Medroxyprogesteron acet\u00e1t byl p\u016fvodn\u011b syntetizov\u00e1n v roce 1954 k l\u00e9\u010db\u011b endometri\u00f3zy, d\u011blo\u017en\u00edch myom\u016f a jin\u00fdch gynekologick\u00fdch onemocn\u011bn\u00ed.<\/span><\/p>\n

Americk\u00fd \u00da\u0159ad pro kontrolu potravin a l\u00e9\u010div (FDA) mnoho let zam\u00edtal Depo-Proveru jako antikoncepci kv\u016fli obav\u00e1m z rizika rakoviny, dokud ji definitivn\u011b neschv\u00e1lil v roce 1992 po dal\u0161\u00edch studi\u00edch a pot\u00e9, co se jako antikoncepce pou\u017e\u00edvala iv jin\u00fdch zem\u00edch.<\/span><\/p>\n

Obavy t\u00edm v\u0161ak neskon\u010dily. V roce 2004 bylo na etiketu p\u0159id\u00e1no upozorn\u011bn\u00ed v podob\u011b \u201e\u010dern\u00e9ho r\u00e1me\u010dku\u201c, kter\u00e9 upozor\u0148ovalo u\u017eivatelky, \u017ee l\u00e9\u010divo m\u016f\u017ee v\u00e9st k v\u00fdrazn\u00e9 ztr\u00e1t\u011b hustoty kostn\u00edch miner\u00e1l\u016f, zejm\u00e9na p\u0159i dlouhodob\u00e9m u\u017e\u00edv\u00e1n\u00ed.<\/span><\/p>\n

Pak loni francouzsk\u00e1 studie publikovan\u00e1 v presti\u017en\u00edm medic\u00ednsk\u00e9m \u010dasopise The British Medical Journal zjistila, \u017ee \u017eeny, kter\u00e9 u\u017e\u00edvaly Depo-Proveru v\u00edce ne\u017e rok, m\u011bly 5,6kr\u00e1t vy\u0161\u0161\u00ed riziko vzniku meningiomu.<\/span><\/p>\n

1200 \u017ealob na Pfizer<\/span><\/h2>\n

Spole\u010dnost\u00a0<\/span>Pfizer<\/span><\/a>\u00a0aktu\u00e1ln\u011b \u010del\u00ed v\u00edce ne\u017e 1 200 feder\u00e1ln\u00edm \u017ealob\u00e1m souvisej\u00edc\u00edm s injekcemi Depo-Provera, p\u0159i\u010dem\u017e \u017eeny tvrd\u00ed, \u017ee farmaceutick\u00fd gigant je nevaroval p\u0159ed rizikem meningiomu.<\/span><\/p>\n

Jedna ze \u017ealobky\u0148 z Louisiany, Robin Phillipov\u00e1, uvedla, \u017ee se j\u00ed vyvinul intrakrani\u00e1ln\u00ed meningiom, kter\u00fd zp\u016fsobil ztr\u00e1tu zraku na lev\u00e9m oku a pot\u00ed\u017ee s ch\u016fz\u00ed.<\/span><\/p>\n

\\“V\u0161echny tyto \u017eeny maj\u00ed meningiomy. Mnoh\u00e9 podstoupily operaci, n\u011bkter\u00e9 oza\u0159ov\u00e1n\u00ed a v\u0161echny m\u011bly v\u00fdrazn\u011b ovlivn\u011bn\u00fd \u017eivot, \\“<\/span><\/em>\u00a0\u0159ekla pro televizn\u00ed stanici NBC News Ellen Relkinov\u00e1, pr\u00e1vni\u010dka zastupuj\u00edc\u00ed Phillipovou a dal\u0161\u00ed \u017ealobkyn\u011b.<\/span><\/p>\n

Phillipov\u00e9 \u017ealoba tvrd\u00ed, \u017ee existuj\u00ed studie z roku 1983, kter\u00e9 spojuj\u00ed progesteron a meningiom, informovala stanice NBC News, tak\u017ee spole\u010dnost Pfizer m\u011bla zkoumat rizika Depo-Provery d\u0159\u00edve.<\/span><\/p>\n

Z\u00e1stupce spole\u010dnosti Pfizer pro den\u00edk The Post uvedl, \u017ee \u201euveden\u00e1 tvrzen\u00ed jsou neopodstatn\u011bn\u00e1 a spole\u010dnost se proti nim bude d\u016frazn\u011b br\u00e1nit\u201c. Pfizer v srpnu podal n\u00e1vrh na zastaven\u00ed soudn\u00edho sporu s odvol\u00e1n\u00edm na sv\u00e9 zji\u0161t\u011bn\u00ed mo\u017en\u00e9 souvislosti mezi Depo-Proverou a meningi\u00f3mem z roku 2023, informovala stanice NBC News.<\/span><\/p>\n

Spole\u010dnost uvedla, \u017ee po\u017e\u00e1dala regula\u010dn\u00ed \u00fa\u0159ad FDA o aktualizaci ozna\u010den\u00ed s upozorn\u011bn\u00edm, ale \u00fa\u0159ad \u017e\u00e1dost zam\u00edtl, proto\u017ee dostupn\u00e9 studie toto upozorn\u011bn\u00ed nepodporovaly.<\/span><\/p>\n

Pfizer pro den\u00edk The Post d\u00e1le uvedl, \u017ee \u201esi stoj\u00ed za bezpe\u010dnost\u00ed a \u00fa\u010dinnost\u00ed l\u00e9ku Depo-Provera, kter\u00fd pou\u017e\u00edvaj\u00ed miliony \u017een na cel\u00e9m sv\u011bt\u011b a z\u016fst\u00e1v\u00e1 d\u016fle\u017eitou mo\u017enost\u00ed antikoncepce pro \u017eeny, kter\u00e9 se sna\u017e\u00ed starat o sv\u00e9 reproduk\u010dn\u00ed zdrav\u00ed.\u201c<\/span><\/p>\n

Autor: Sean Adl-Tabatabai, Zdroj:\u00a0<\/span>thepeoplesvoice.tv<\/span><\/a><\/p>\n

 <\/p>\n","protected":false},"excerpt":{"rendered":"

\u017deny, kter\u00e9 u\u017e\u00edvaj\u00ed injek\u010dn\u00ed antikoncepci od spole\u010dnosti Pfizer, \u010del\u00ed vy\u0161\u0161\u00edmu riziku vzniku mozkov\u00fdch n\u00e1dor\u016f, uv\u00e1d\u00ed…<\/p>\n","protected":false},"author":2,"featured_media":90774,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[7],"tags":[8982,3373,315,1366],"_links":{"self":[{"href":"https:\/\/www.infokuryr.cz\/n\/wp-json\/wp\/v2\/posts\/90773"}],"collection":[{"href":"https:\/\/www.infokuryr.cz\/n\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.infokuryr.cz\/n\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.infokuryr.cz\/n\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.infokuryr.cz\/n\/wp-json\/wp\/v2\/comments?post=90773"}],"version-history":[{"count":0,"href":"https:\/\/www.infokuryr.cz\/n\/wp-json\/wp\/v2\/posts\/90773\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.infokuryr.cz\/n\/wp-json\/wp\/v2\/media\/90774"}],"wp:attachment":[{"href":"https:\/\/www.infokuryr.cz\/n\/wp-json\/wp\/v2\/media?parent=90773"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.infokuryr.cz\/n\/wp-json\/wp\/v2\/categories?post=90773"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.infokuryr.cz\/n\/wp-json\/wp\/v2\/tags?post=90773"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}