{"id":60776,"date":"2024-02-28T07:07:41","date_gmt":"2024-02-28T07:07:41","guid":{"rendered":"https:\/\/medsname.com\/tenvir-af\/"},"modified":"2026-05-21T05:27:39","modified_gmt":"2026-05-21T05:27:39","slug":"tenvir-af","status":"publish","type":"product","link":"https:\/\/medsbase.com\/cs\/product\/tenvir-af\/","title":{"rendered":"Tenvir AF"},"content":{"rendered":"<p><!-- medsbase-tldr-answer --><\/p>\n<div style=\"background:#fff8e1;border-left:4px solid #f5a623;padding:16px 20px;margin:0 0 24px 0;border-radius:4px;\">\n<h3 class=\"wp-block-heading\" style=\"margin-top:0;\">Rychl\u00e1 odpov\u011b\u010f \u2014 Tenvir AF (Tenofovir Alafenamid 25 mg)<\/h3>\n<ul>\n<li><strong>\u00da\u010dinn\u00e1 l\u00e1tka:<\/strong> tenofovir alafenamid fumar\u00e1t (TAF) 25 mg, peror\u00e1ln\u00ed tableta, u\u017e\u00edvan\u00e1 jednou denn\u011b s j\u00eddlem.<\/li>\n<li><strong>Hlavn\u00ed indikace v tomto v\u00fdpisu:<\/strong> chronick\u00e1 infekce virem hepatitidy B (HBV) u dosp\u011bl\u00fdch \u2014 dlouhodob\u00e1 suprese s v\u00fdrazn\u011b ni\u017e\u0161\u00ed expozic\u00ed ledvin a kost\u00ed ve srovn\u00e1n\u00ed se star\u0161\u00edm TDF.<\/li>\n<li><strong>Mechanismus \u00fa\u010dinku:<\/strong> nukleotidov\u00fd inhibitor reverzn\u00ed transkript\u00e1zy (NRTI). Stejn\u00fd aktivn\u00ed metabolit jako tenofovir disoproxil, ale jin\u00fd prol\u00e9\u010divo, kter\u00e9 uvol\u0148uje tenofovir uvnit\u0159 hepatocyt\u016f a lymfocyt\u016f.<\/li>\n<li><strong>Ve srovn\u00e1n\u00ed s TDF:<\/strong> ~90 % ni\u017e\u0161\u00ed plazmatick\u00e1 hladina tenofoviru, ~6\u20137\u00d7 vy\u0161\u0161\u00ed intracelul\u00e1rn\u00ed koncentrace. Stejn\u00e1 antivirov\u00e1 \u00fa\u010dinnost. Ni\u017e\u0161\u00ed riziko nefrotoxicity a \u00fabytku kostn\u00ed miner\u00e1ln\u00ed denzity.<\/li>\n<li><strong>\u00da\u010dinnost proti HBV:<\/strong> nen\u00ed hor\u0161\u00ed ne\u017e TDF v supresi HBV DNA po 96 t\u00fddnech; v\u00fdrazn\u011b lep\u0161\u00ed markery ren\u00e1ln\u00ed a kostn\u00ed bezpe\u010dnosti v p\u0159\u00edm\u00fdch srovn\u00e1vac\u00edch studi\u00edch.<\/li>\n<li><strong>Upozorn\u011bn\u00ed na vzplanut\u00ed HBV:<\/strong> p\u0159i ukon\u010den\u00ed l\u00e9\u010dby m\u016f\u017ee doj\u00edt k t\u011b\u017ek\u00e9 akutn\u00ed exacerbaci. Nikdy nep\u0159eru\u0161ujte l\u00e9\u010dbu bez dohledu specialisty.<\/li>\n<\/ul>\n<\/div>\n<div class=\"medsbase-trust-strip\" style=\"background:#f4f8fb;border:1px solid #d8e3eb;padding:12px 16px;margin:16px 0;border-radius:4px;font-size:14px;\">\n<strong>Co z\u00edsk\u00e1te s MedsBase:<\/strong> V\u00fdrobce certifikovan\u00fd WHO-GMP \u00b7 Diskr\u00e9tn\u00ed balen\u00ed \u00b7 Celosv\u011btov\u00e1 doprava \u00b7 V\u00edce ne\u017e 1 400 ov\u011b\u0159en\u00fdch <a href=\"https:\/\/medsbase.com\/cs\/reviews\/\">recenz\u00ed z\u00e1kazn\u00edk\u016f<\/a>\n<\/div>\n<p class=\"medsbase-reship-line\" style=\"font-size:14px;color:#444;margin:8px 0 18px;\">\ud83d\udce6 Ka\u017ed\u00e1 objedn\u00e1vka je pokryta na\u0161\u00ed <a href=\"https:\/\/medsbase.com\/cs\/medsbase-re-shipment-assurance-policy\/\"><strong>Z\u00e1rukou op\u011btovn\u00e9ho odesl\u00e1n\u00ed<\/strong><\/a> \u2014 pokud va\u0161e z\u00e1silka nedoraz\u00ed do 20 pracovn\u00edch dn\u016f, p\u0159epos\u00edl\u00e1me ji.<\/p>\n<h3>Pro\u010d objedn\u00e1vat z MedsBase<\/h3>\n<p>Na\u0161e generick\u00e9 l\u00e9ky poch\u00e1zej\u00ed od v\u00fdrobc\u016f certifikovan\u00fdch WHO-GMP a jsou expedov\u00e1ny po cel\u00e9m sv\u011bt\u011b v diskr\u00e9tn\u00edm, nen\u00e1padn\u00e9m balen\u00ed \u2013 na vn\u011bj\u0161\u00ed stran\u011b bal\u00edku nen\u00ed uveden n\u00e1zev l\u00e9ku. Platby kartou jsou sm\u011brov\u00e1ny prost\u0159ednictv\u00edm regulovan\u00e9ho procesoru (popisky na v\u00fdpisu zahrnuj\u00ed regulovan\u00e9ho procesora plateb kartou \u2013 nikdy \u201cMedsBase\u201d nebo n\u00e1zev l\u00e9ku). P\u0159ij\u00edm\u00e1me tak\u00e9 kryptom\u011bny a bankovn\u00ed p\u0159evody SEPA. Ka\u017ed\u00e1 objedn\u00e1vka je zaji\u0161t\u011bna na\u0161\u00ed politikou p\u0159eposl\u00e1n\u00ed.<\/p>\n<h2 class=\"wp-block-heading\">Co je Tenvir AF?<\/h2>\n<p>Tenvir AF jsou peror\u00e1ln\u00ed tablety obsahuj\u00edc\u00ed <strong>tenofovir alafenamid fumar\u00e1t 25 mg<\/strong> (TAF), vyr\u00e1b\u011bn\u00e9 spole\u010dnost\u00ed Cipla. Ka\u017ed\u00e9 balen\u00ed obvykle obsahuje 30 potahovan\u00fdch tablet.<\/p>\n<p>TAF je druh\u00e1 generace prol\u00e9\u010diva tenofoviru, navr\u017een\u00e1 k \u0159e\u0161en\u00ed ren\u00e1ln\u00ed a kostn\u00ed toxicity pozorovan\u00e9 u star\u0161\u00edho prol\u00e9\u010diva TDF (tenofovir disoproxil). Origin\u00e1ln\u00ed zna\u010dka je <strong>Vemlidy<\/strong> (Gilead, schv\u00e1leno FDA pro chronickou hepatitidu B v roce 2016). Stejn\u00e1 \u00fa\u010dinn\u00e1 l\u00e1tka jako TDF, dramaticky odli\u0161n\u00e1 farmakokinetika.<\/p>\n<h2 class=\"wp-block-heading\">K \u010demu se Tenvir AF pou\u017e\u00edv\u00e1?<\/h2>\n<ul>\n<li><strong>Chronick\u00e1 hepatitida B (CHB) u dosp\u011bl\u00fdch<\/strong> \u2014 prvn\u00ed volba peror\u00e1ln\u00edho antivirotika, zejm\u00e9na u pacient\u016f s chronick\u00fdm onemocn\u011bn\u00edm ledvin (CKD), osteopor\u00f3zou, v\u011bkem &gt; 60 let nebo p\u0159edchoz\u00ed ren\u00e1ln\u00ed\/kostn\u00ed toxicitou souvisej\u00edc\u00ed s TDF.<\/li>\n<li><strong>infekce HIV-1<\/strong> \u2014 sou\u010d\u00e1st kombinovan\u00fdch re\u017eim\u016f (nej\u010dast\u011bji ve fixn\u00ed kombinaci s FTC, dolutegravirem nebo bictegravirem, p\u0159\u00edpadn\u011b rilpivirinem). Nen\u00ed ur\u010den k monoterapii u HIV.<\/li>\n<li><strong>HIV pre-expozi\u010dn\u00ed profylaxe (PrEP)<\/strong> \u2014 kombinace TAF + emtricitabin (Descovy) je schv\u00e1lena pro PrEP u cisgender mu\u017e\u016f a transgender \u017een; TDF\/FTC z\u016fst\u00e1v\u00e1 preferovanou volbou pro rizikov\u00e9 osoby, kter\u00e9 by mohly ot\u011bhotn\u011bt.<\/li>\n<\/ul>\n<p>TAF se <strong>ne<\/strong> pou\u017e\u00edv\u00e1 k l\u00e9\u010db\u011b hepatitidy C, herpes vir\u016f nebo jak\u00e9koli neretrovir\u00e1ln\u00ed \/ ne-HBV infekce.<\/p>\n<h2 class=\"wp-block-heading\">Pro\u010d TAF m\u00edsto TDF?<\/h2>\n<p>TDF se v plazm\u011b rychle hydrolyzuje na tenofovir, co\u017e vystavuje ledviny vysok\u00fdm hladin\u00e1m cirkuluj\u00edc\u00edho l\u00e9ku po n\u011bkolik hodin. TAF z\u016fst\u00e1v\u00e1 v plazm\u011b mnohem d\u00e9le neporu\u0161en\u00fd, proto\u017ee je stabiln\u011bj\u0161\u00edm prol\u00e9\u010divem a je preferen\u010dn\u011b aktivov\u00e1n intracelul\u00e1rn\u00edmi ester\u00e1zami lymfocyt\u016f a hepatocyt\u016f (katepsin A, CES1). V\u00fdsledek:<\/p>\n<table style=\"border-collapse:collapse;width:100%;font-size:14px;\">\n<thead>\n<tr style=\"background:#2c7cb0;color:#fff;\">\n<th style=\"padding:8px;border:1px solid #ddd;text-align:left;\">Parametr<\/th>\n<th style=\"padding:8px;border:1px solid #ddd;text-align:left;\">TDF 300 mg<\/th>\n<th style=\"padding:8px;border:1px solid #ddd;text-align:left;\">TAF 25 mg<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"padding:8px;border:1px solid #ddd;\">AUC tenofoviru v plazm\u011b<\/td>\n<td style=\"padding:8px;border:1px solid #ddd;\">Vysok\u00e1 (referen\u010dn\u00ed)<\/td>\n<td style=\"padding:8px;border:1px solid #ddd;\">~90% ni\u017e\u0161\u00ed<\/td>\n<\/tr>\n<tr style=\"background:#f9f9f9;\">\n<td style=\"padding:8px;border:1px solid #ddd;\">Intracelul\u00e1rn\u00ed TFV-DP v PBMC<\/td>\n<td style=\"padding:8px;border:1px solid #ddd;\">Referen\u010dn\u00ed<\/td>\n<td style=\"padding:8px;border:1px solid #ddd;\">~6\u20137\u00d7 vy\u0161\u0161\u00ed<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:8px;border:1px solid #ddd;\">Pokles eGFR po 96 t\u00fddnech (HBV)<\/td>\n<td style=\"padding:8px;border:1px solid #ddd;\">M\u00edrn\u00fd, z\u00e1visl\u00fd na d\u00e1vce<\/td>\n<td style=\"padding:8px;border:1px solid #ddd;\">V\u00fdrazn\u011b m\u00e9n\u011b<\/td>\n<\/tr>\n<tr style=\"background:#f9f9f9;\">\n<td style=\"padding:8px;border:1px solid #ddd;\">Zm\u011bna BMD ky\u010dle a p\u00e1te\u0159e<\/td>\n<td style=\"padding:8px;border:1px solid #ddd;\">Mal\u00e9 sn\u00ed\u017een\u00ed<\/td>\n<td style=\"padding:8px;border:1px solid #ddd;\">Men\u0161\u00ed sn\u00ed\u017een\u00ed; n\u011bkdy obnova p\u0159i p\u0159echodu<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:8px;border:1px solid #ddd;\">\u00da\u010dinek na lipidy<\/td>\n<td style=\"padding:8px;border:1px solid #ddd;\">M\u00edrn\u011b p\u0159\u00edzniv\u00fd (sni\u017euj\u00edc\u00ed lipidy)<\/td>\n<td style=\"padding:8px;border:1px solid #ddd;\">M\u00edrn\u011b nep\u0159\u00edzniv\u00fd (zvy\u0161uje LDL\/HDL)<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u00da\u010dinek na lipidy je jedin\u00fdm kompromisem. U pacient\u016f se zaveden\u00fdm kardiovaskul\u00e1rn\u00edm onemocn\u011bn\u00edm m\u016f\u017ee b\u00fdt preferov\u00e1n TDF. U v\u011bt\u0161iny pacient\u016f s HBV s ren\u00e1ln\u00edmi nebo kostn\u00edmi rizikov\u00fdmi faktory je TAF \u010dist\u0161\u00ed dlouhodobou volbou.<\/p>\n<h2 class=\"wp-block-heading\">D\u00e1vkov\u00e1n\u00ed a zp\u016fsob u\u017e\u00edv\u00e1n\u00ed Tenvir AF<\/h2>\n<ul>\n<li><strong>Chronick\u00e1 hepatitida B:<\/strong> jedna tableta 25 mg jednou denn\u011b s j\u00eddlem.<\/li>\n<li><strong>HIV (kombina\u010dn\u00ed re\u017eimy):<\/strong> 25 mg v kombinaci s nezes\u00edlen\u00fdmi l\u00e1tkami; 10 mg v kombinaci s inhibitorem CYP3A (kobicistat, ritonavir).<\/li>\n<\/ul>\n<p>U\u017e\u00edvejte s j\u00eddlem \u2013 biologick\u00e1 dostupnost se zv\u00fd\u0161\u00ed p\u0159ibli\u017en\u011b o 65 % p\u0159i st\u0159edn\u011b tu\u010dn\u00e9 strav\u011b. Polykejte cel\u00e9. Vynechan\u00e9 d\u00e1vky: u\u017eijte co nejd\u0159\u00edve, pokud si vzpomenete do 18 hodin; jinak vynechejte a pokra\u010dujte dal\u0161\u00ed pl\u00e1novanou tabletou.<\/p>\n<p><strong>\u00daprava d\u00e1vkov\u00e1n\u00ed p\u0159i ren\u00e1ln\u00edm po\u0161kozen\u00ed:<\/strong> nen\u00ed nutn\u00e1 \u00faprava d\u00e1vky p\u0159i CrCl \u2265 15 ml\/min. P\u0159i hodnot\u00e1ch pod 15 ml\/min pou\u017e\u00edvejte pouze u pacient\u016f na chronick\u00e9 hemodial\u00fdze (TAF se pod\u00e1v\u00e1 po dial\u00fdze v dialyza\u010dn\u00edch dnech). TAF se nedoporu\u010duje u pacient\u016f s termin\u00e1ln\u00edm selh\u00e1n\u00edm ledvin bez dial\u00fdzy.<\/p>\n<p><strong>Porucha funkce jater:<\/strong> nen\u00ed nutn\u00e1 \u00faprava d\u00e1vky u m\u00edrn\u00fdch nebo st\u0159edn\u011b z\u00e1va\u017en\u00fdch poruch; nedoporu\u010duje se u dekompenzovan\u00e9 cirh\u00f3zy (Child-Pugh C).<\/p>\n<h2 class=\"wp-block-heading\">Vedlej\u0161\u00ed \u00fa\u010dinky<\/h2>\n<p><strong>\u010cast\u00e9:<\/strong> bolest hlavy (~10 %), bolest b\u0159icha (~5 %), \u00fanava, ka\u0161el, nevolnost, bolest zad. Obvykle m\u00edrn\u00e9 a samovoln\u011b ustupuj\u00edc\u00ed.<\/p>\n<p><strong>M\u00e9n\u011b \u010dast\u00e9, ale d\u016fle\u017eit\u00e9:<\/strong><\/p>\n<ul>\n<li><strong>Zm\u011bny lipid\u016f<\/strong> \u2014 o\u010dek\u00e1vejte m\u00edrn\u00e9 zv\u00fd\u0161en\u00ed LDL-C, HDL-C, celkov\u00e9ho cholesterolu a triglycerid\u016f. Kontrola lipid\u016f po 3 a 12 m\u011bs\u00edc\u00edch. Uva\u017eujte o statinov\u00e9 terapii, pokud je zv\u00fd\u0161en\u00e9 kardiovaskul\u00e1rn\u00ed riziko.<\/li>\n<li><strong>P\u0159ib\u00fdv\u00e1n\u00ed na v\u00e1ze<\/strong> \u2014 studie u HIV ukazuj\u00ed n\u00e1r\u016fst o n\u011bkolik kg b\u011bhem 1\u20132 let u re\u017eim\u016f obsahuj\u00edc\u00edch TAF ve srovn\u00e1n\u00ed s TDF (\u010d\u00e1ste\u010dn\u011b zp\u016fsobeno \u00fastupem m\u00edrn\u00e9ho lipid-sni\u017euj\u00edc\u00edho \u00fa\u010dinku TDF). U monoterapie HBV m\u00e9n\u011b prok\u00e1z\u00e1no.<\/li>\n<li><strong>Lakt\u00e1tov\u00e1 acid\u00f3za s t\u011b\u017ekou hepatomegali\u00ed<\/strong> \u2014 vz\u00e1cn\u00fd t\u0159\u00eddn\u00ed \u00fa\u010dinek NRTI; p\u0159eru\u0161te l\u00e9\u010dbu p\u0159i nevysv\u011btliteln\u00e9 progresivn\u00ed bolesti b\u0159icha, rychl\u00e9m d\u00fdch\u00e1n\u00ed nebo t\u011b\u017ek\u00e9 \u00fanav\u011b.<\/li>\n<li><strong>T\u011b\u017ek\u00e1 akutn\u00ed exacerbace hepatitidy B po vysazen\u00ed<\/strong> \u2014 stejn\u00e9 riziko vzplanut\u00ed jako u TDF. Vy\u017eaduje sledov\u00e1n\u00ed po dobu nejm\u00e9n\u011b 6 m\u011bs\u00edc\u016f po ukon\u010den\u00ed l\u00e9\u010dby.<\/li>\n<\/ul>\n<h2 class=\"wp-block-heading\">Interakce s l\u00e9\u010divy<\/h2>\n<ul>\n<li><strong>Siln\u00ed induktory P-gp<\/strong> \u2014 rifampicin, rifabutin, karbamazepin, fenytoin, oxkarbazepin, t\u0159ezalka te\u010dkovan\u00e1 \u2014 sni\u017euj\u00ed expozici TAF. Vyhn\u011bte se sou\u010dasn\u00e9mu pod\u00e1v\u00e1n\u00ed.<\/li>\n<li><strong>Inhibitory CYP3A<\/strong> \u2014 kobicistat, ritonavir \u2014 v\u00fdznamn\u011b zvy\u0161uj\u00ed expozici TAF. Pou\u017eijte 10 mg formu p\u0159i sou\u010dasn\u00e9m pod\u00e1v\u00e1n\u00ed s PI\/INSTI re\u017eimem s boosterem.<\/li>\n<li><strong>Jin\u00e9 nefrotoxick\u00e9 l\u00e9ky<\/strong> \u2014 m\u00e9n\u011b problematick\u00e9 ne\u017e u TDF, ale opatrnost je st\u00e1le doporu\u010dena u cidofoviru, IV aminoglykosid\u016f, IV amfotericinu B, vysok\u00fdch d\u00e1vek NSAID.<\/li>\n<li><strong>Jin\u00e9 p\u0159\u00edpravky obsahuj\u00edc\u00ed tenofovir<\/strong> \u2014 nekombinujte TAF s TDF, adefovirem nebo jin\u00fdm p\u0159\u00edpravkem obsahuj\u00edc\u00edm TAF.<\/li>\n<\/ul>\n<h2 class=\"wp-block-heading\">Kdo by nem\u011bl u\u017e\u00edvat Tenvir AF?<\/h2>\n<ul>\n<li>Zn\u00e1m\u00e1 p\u0159ecitliv\u011blost na tenofovir alafenamid nebo kteroukoli pomocnou l\u00e1tku<\/li>\n<li>T\u011b\u017ek\u00e9 ren\u00e1ln\u00ed posti\u017een\u00ed (CrCl &lt; 15 ml\/min) bez chronick\u00e9 hemodial\u00fdzy<\/li>\n<li>Dekompenzovan\u00e1 cirh\u00f3za (Child-Pugh C)<\/li>\n<li>Sou\u010dasn\u00e9 pod\u00e1v\u00e1n\u00ed siln\u00e9ho induktoru P-gp, pokud zm\u011bna nen\u00ed mo\u017en\u00e1<\/li>\n<\/ul>\n<h2 class=\"wp-block-heading\">Skladov\u00e1n\u00ed<\/h2>\n<p>Skladujte p\u0159i teplot\u011b do 30\u00b0C v p\u016fvodn\u00edm balen\u00ed s vysou\u0161edlem. Chra\u0148te p\u0159ed vlhkost\u00ed. Uchov\u00e1vejte mimo dosah d\u011bt\u00ed.<\/p>\n<h2 id=\"faqs\">\u010casto kladen\u00e9 dotazy<\/h2>\n<h3 class=\"wp-block-heading\">Je Tenvir AF stejn\u00fd jako Vemlidy?<\/h3>\n<p>Ano \u2014 stejn\u00e1 molekula (tenofovir alafenamid 25 mg), stejn\u00e1 indikace (chronick\u00e1 hepatitida B), stejn\u00e9 jednodenn\u00ed d\u00e1vkov\u00e1n\u00ed. Tenvir AF je licencovan\u00e1 generick\u00e1 verze od Cipla. Vemlidy je origin\u00e1ln\u00ed p\u0159\u00edpravek (Gilead).<\/p>\n<h3 class=\"wp-block-heading\">Pokud je TAF lep\u0161\u00ed, pro\u010d n\u011bkte\u0159\u00ed st\u00e1le u\u017e\u00edvaj\u00ed TDF?<\/h3>\n<p>N\u011bkolik d\u016fvod\u016f: TDF m\u00e1 20letou datab\u00e1zi bezpe\u010dnosti; TDF m\u00edrn\u011b sni\u017euje LDL cholesterol (TAF p\u016fsob\u00ed opa\u010dn\u011b); data pro t\u011bhotenstv\u00ed jsou u TDF zralej\u0161\u00ed; a TDF je v\u00fdrazn\u011b levn\u011bj\u0161\u00ed. Pro mlad\u00e9 pacienty bez ren\u00e1ln\u00edch nebo kostn\u00edch probl\u00e9m\u016f z\u016fst\u00e1v\u00e1 TDF zcela rozumnou volbou prvn\u00ed linie. TAF je preferov\u00e1n, kdy\u017e je nejd\u016fle\u017eit\u011bj\u0161\u00ed ren\u00e1ln\u00ed nebo kostn\u00ed bezpe\u010dnost.<\/p>\n<h3 class=\"wp-block-heading\">Mohu p\u0159ej\u00edt z Tenviru (TDF) na Tenvir AF?<\/h3>\n<p>Ano, a mnoho pacient\u016f tak \u010din\u00ed, zejm\u00e9na po letech u\u017e\u00edv\u00e1n\u00ed TDF, kdy\u017e se mal\u00e9 poklesy eGFR nebo BMD stanou relevantn\u00edmi. P\u0159echod je p\u0159\u00edmo\u010dar\u00fd: p\u0159esta\u0148te u\u017e\u00edvat TDF, n\u00e1sleduj\u00edc\u00ed den za\u010dn\u011bte s TAF. Antivirov\u00e1 suprese je zachov\u00e1na, proto\u017ee ob\u011b l\u00e1tky dod\u00e1vaj\u00ed stejn\u00fd aktivn\u00ed metabolit. Ren\u00e1ln\u00ed markery se obvykle zlep\u0161\u00ed b\u011bhem 3\u20136 m\u011bs\u00edc\u016f. Zkontrolujte eGFR, b\u00edlkovinu v mo\u010di a fosf\u00e1t za 3 m\u011bs\u00edce po p\u0159echodu.<\/p>\n<h3 class=\"wp-block-heading\">Vyl\u00e9\u010d\u00ed Tenvir AF mou hepatitidu B?<\/h3>\n<p>\u017d\u00e1dn\u00e9 peror\u00e1ln\u00ed antivirotikum HBV nel\u00e9\u010d\u00ed. Tenofovir alafenamid potla\u010duje replikaci tak dokonale, \u017ee virov\u00e1 DNA obvykle p\u0159estane b\u00fdt detekovateln\u00e1 a z\u00e1n\u011bt jater ustoup\u00ed \u2014 ale \u0161ablona cccDNA uvnit\u0159 hepatocyt\u016f nen\u00ed eliminov\u00e1na. Asi 1\u20133 % pacient\u016f ro\u010dn\u011b dos\u00e1hne funk\u010dn\u00edho vyl\u00e9\u010den\u00ed (ztr\u00e1ta HBsAg). U v\u011bt\u0161iny pacient\u016f je l\u00e9\u010dba dlouhodob\u00e1.<\/p>\n<h3 class=\"wp-block-heading\">M\u00e1m o\u010dek\u00e1vat p\u0159ib\u00edr\u00e1n\u00ed na v\u00e1ze p\u0159i u\u017e\u00edv\u00e1n\u00ed Tenviru AF?<\/h3>\n<p>Data z kombinovan\u00e9 l\u00e9\u010dby HIV ukazuj\u00ed m\u00edrn\u00e9 p\u0159ib\u00edr\u00e1n\u00ed na v\u00e1ze u re\u017eim\u016f s TAF ve srovn\u00e1n\u00ed s TDF, p\u0159ibli\u017en\u011b 2\u20134 kg za 96 t\u00fddn\u016f. Efekt je men\u0161\u00ed u monoterapie HBV a \u010d\u00e1ste\u010dn\u011b se vysv\u011btluje zvr\u00e1cen\u00edm m\u00edrn\u00e9 metabolick\u00e9 nev\u00fdhody TDF. Pokud je p\u0159ib\u00edr\u00e1n\u00ed na v\u00e1ze znepokojuj\u00edc\u00ed, je rozumn\u00e9 monitorovat lipidy a gluk\u00f3zu na za\u010d\u00e1tku.<\/p>\n<h3 class=\"wp-block-heading\">Mohu u\u017e\u00edvat Tenvir AF v t\u011bhotenstv\u00ed?<\/h3>\n<p>Data pro TAF v t\u011bhotenstv\u00ed rostou, ale st\u00e1le jsou m\u00e9n\u011b zral\u00e1 ne\u017e pro TDF. Pro HBV v pozdn\u00edm t\u011bhotenstv\u00ed (28. t\u00fdden+) k prevenci vertik\u00e1ln\u00edho p\u0159enosu je TDF preferovanou volbou na z\u00e1klad\u011b v\u011bt\u0161\u00ed datab\u00e1ze bezpe\u010dnosti. Pokud jste stabiln\u00ed na TAF a ot\u011bhotn\u00edte, proberte to se sv\u00fdm hepatologem p\u0159ed p\u0159echodem \u2014 rozhodnut\u00ed z\u00e1vis\u00ed na virov\u00e9 n\u00e1lo\u017ei, stadiu fibr\u00f3zy a trimestru.<\/p>\n<h3 class=\"wp-block-heading\">Je Tenvir AF \u00fa\u010dinn\u00fd proti mutac\u00edm rezistence HIV?<\/h3>\n<p>TAF a TDF maj\u00ed identick\u00fd profil rezistence, proto\u017ee uvol\u0148uj\u00ed stejn\u00fd aktivn\u00ed metabolit. Oba si zachov\u00e1vaj\u00ed \u00fa\u010dinnost proti v\u011bt\u0161in\u011b mutac\u00ed thymidinov\u00fdch analog\u016f (TAMs), ale jejich \u00fa\u010dinnost je sn\u00ed\u017eena proti reverzn\u00ed transkript\u00e1zov\u00e9 mutaci K65R. Volba re\u017eimu by m\u011bla b\u00fdt vedena testov\u00e1n\u00edm rezistence, pokud je k dispozici.<\/p>\n<h3 class=\"wp-block-heading\">Pot\u0159ebuji p\u0159ed zah\u00e1jen\u00edm u\u017e\u00edv\u00e1n\u00ed Tenvir AF n\u011bjak\u00e9 krevn\u00ed testy?<\/h3>\n<p>Ano \u2014 z\u00e1kladn\u00ed HBV DNA, HBeAg\/anti-HBe, HBsAg, ALT\/AST, kompletn\u00ed krevn\u00ed obraz, eGFR, vy\u0161et\u0159en\u00ed mo\u010di (proteinurie), s\u00e9rov\u00fd fosf\u00e1t, lipidov\u00fd panel a test na protil\u00e1tky\/antigeny HIV. Monitorov\u00e1n\u00ed l\u00e9\u010dby se pot\u00e9 u stabiln\u00edch pacient\u016f prov\u00e1d\u00ed ka\u017ed\u00e9 3\u20136 m\u011bs\u00edc\u016f.<\/p>\n<h3 class=\"wp-block-heading\">Interaguje Tenvir AF se statiny, l\u00e9ky na krevn\u00ed tlak nebo antikoncepc\u00ed?<\/h3>\n<p>Nebyly zji\u0161t\u011bny klinicky v\u00fdznamn\u00e9 interakce se statiny, ACE inhibitory, ARB, beta-blok\u00e1tory, blok\u00e1tory kalciov\u00fdch kan\u00e1l\u016f nebo hormon\u00e1ln\u00ed antikoncepc\u00ed. Skute\u010dn\u00e9 interakce jsou vz\u00e1cn\u00e9 a t\u00fdkaj\u00ed se siln\u00fdch induktor\u016f P-gp (rifampicin, antikonvulziva) a booster\u016f CYP3A (kobicistat, ritonavir).<\/p>\n<h3 class=\"wp-block-heading\">Kde si mohu objednat Tenvir AF?<\/h3>\n<p>Tenvir AF si m\u016f\u017eete objednat p\u0159\u00edmo u MedsBase. Dod\u00e1v\u00e1me origin\u00e1ln\u00ed p\u0159\u00edpravky od Cipla s celosv\u011btovou dopravou. L\u00e9\u010dba chronick\u00e9 hepatitidy B by m\u011bla b\u00fdt vedena pod dohledem hepatologa nebo gastroenterologa s pravideln\u00fdm monitorov\u00e1n\u00edm HBV DNA, ALT, eGFR a HBsAg\/anti-HBs v odpov\u00eddaj\u00edc\u00edch intervalech.<\/p>\n<h2 class=\"wp-block-heading\">Odm\u00edtnut\u00ed odpov\u011bdnosti<\/h2>\n<p>Informace na t\u00e9to str\u00e1nce slou\u017e\u00ed pouze pro vzd\u011bl\u00e1vac\u00ed \u00fa\u010dely a nenahrazuj\u00ed odbornou l\u00e9ka\u0159skou pomoc. L\u00e9\u010dba chronick\u00e9 hepatitidy B a HIV vy\u017eaduje vstupn\u00ed vy\u0161et\u0159en\u00ed, pr\u016fb\u011b\u017en\u00e9 odborn\u00e9 monitorov\u00e1n\u00ed a individu\u00e1ln\u00ed volbu re\u017eimu. Neza\u010d\u00ednejte, nep\u0159eru\u0161ujte ani nem\u011b\u0148te l\u00e9\u010dbu zalo\u017eenou na tenofoviru bez konzultace s kvalifikovan\u00fdm l\u00e9ka\u0159em.<\/p>\n<p class=\"medsbase-bundle-link-2026-05-01\" data-marker=\"mb-bundle-link-prep-starter-pack\">Tenvir-AF (TAF\/FTC) se pou\u017e\u00edv\u00e1 pro HIV PrEP, ale nechr\u00e1n\u00ed proti bakteri\u00e1ln\u00edm pohlavn\u011b p\u0159enosn\u00fdm infekc\u00edm; pokud chcete vrstvenou ochranu, mnoho u\u017eivatel\u016f jej kombinuje s doxy-PEP \u2014 na\u0161e <a href='\/cs\/prep-starter-pack\/'>PrEP Starter Pack (Tenvir-EM + doxycyklin 100 mg)<\/a> bal\u00ed\u010dky obsahuj\u00ed osv\u011bd\u010den\u00fd PrEP re\u017eim TDF\/FTC s doxycyklinem pro prevenci syfilis, chlamydi\u00ed a kapavky.<\/p>\n<p class=\"medsbase-link-boost-2026-05-08\" data-marker=\"mb-link-boost-tenvir-em\">Pacienti u\u017e\u00edvaj\u00edc\u00ed <a href=\"https:\/\/medsbase.com\/cs\/tenvir-af\/\">Tenvir AF<\/a> pro hepatitidu B, kte\u0159\u00ed tak\u00e9 pot\u0159ebuj\u00ed pre-expozi\u010dn\u00ed profylaxi HIV, by m\u011bli v\u011bd\u011bt, \u017ee <a href=\"https:\/\/medsbase.com\/cs\/tenvir-em\/\">Tenvir EM (tenofovir disoproxil fumar\u00e1t 300 mg + emtricitabin 200 mg)<\/a> je schv\u00e1len\u00fd dvouslo\u017ekov\u00fd PrEP re\u017eim kombinuj\u00edc\u00ed TDF s emtricitabinem pro komplexn\u00ed prevenci HIV.<\/p>\n<p class=\"medsbase-link-boost-2026-05-10\" data-marker=\"mb-link-boost-avonza\">Kliniky buduj\u00edc\u00ed seznamy ART kolem <a href=\"https:\/\/medsbase.com\/cs\/tenvir-af\/\">Tenvir AF (tenofovir alafenamid 25 mg)<\/a> jako ren\u00e1ln\u011b \u0161et\u0159\u00edc\u00ed z\u00e1kladn\u00ed terapie tak\u00e9 skladem <a href=\"https:\/\/medsbase.com\/cs\/avonza\/\">Avonza (TDF \/ lamivudin \/ efavirenz)<\/a> pro pacienty citliv\u00e9 na ceny, u kter\u00fdch je ren\u00e1ln\u00ed profil star\u0161\u00ed formulace TDF klinicky p\u0159ijateln\u00fd.<\/p>\n<p class=\"medsbase-link-boost-2026-05-21\" data-marker=\"mb-link-boost-tavin-em\">Pacienti sn\u00e1\u0161ej\u00edc\u00ed <a href=\"https:\/\/medsbase.com\/cs\/tenvir-af\/\">Tenvir AF (tenofovir alafenamid 25 mg)<\/a> ale hledaj\u00edc\u00ed levn\u011bj\u0161\u00ed denn\u00ed variantu PrEP bez pr\u00e9miov\u00e9 ceny TAF\/FTC mohou zv\u00e1\u017eit <a href=\"https:\/\/medsbase.com\/cs\/tavin-em\/\">Tavin EM (tenofovir disoproxil 300 mg + emtricitabin 200 mg)<\/a>, star\u0161\u00ed z\u00e1kladn\u00ed PrEP re\u017eim TDF\/FTC s nejv\u011bt\u0161\u00ed evidenc\u00ed \u00fa\u010dinnosti.<\/p>\n<p><!-- medsbase-related-alts-v1 --><\/p>\n<h3 class=\"wp-block-heading\">Souvisej\u00edc\u00ed alternativy<\/h3>\n<p>Dal\u0161\u00ed produkty v <strong>Chronick\u00e1 onemocn\u011bn\u00ed<\/strong> kter\u00e9 z\u00e1kazn\u00edci tak\u00e9 prohl\u00ed\u017eej\u00ed:<\/p>\n<ul>\n<li><a href=\"https:\/\/medsbase.com\/cs\/ebasil\/\">Ebasil<\/a><\/li>\n<li><a href=\"https:\/\/medsbase.com\/cs\/budecort-inhaler\/\">Budecort Inhaler<\/a><\/li>\n<li><a href=\"https:\/\/medsbase.com\/cs\/fluvoxin\/\">Fluvoxin<\/a><\/li>\n<li><a href=\"https:\/\/medsbase.com\/cs\/arkamin-h\/\">Arkamin-H<\/a><\/li>\n<li><a href=\"https:\/\/medsbase.com\/cs\/ivepred\/\">Ivepred<\/a><\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"<p>\u2705 L\u00e9\u010d\u00ed infekci HIV<br \/>\n\u2705 Sni\u017euje virovou n\u00e1lo\u017e<br \/>\n\u2705 Chr\u00e1n\u00ed ledviny<br \/>\n\u2705 Sni\u017euje \u00fabytek kostn\u00ed hmoty<br \/>\n\u2705 Zlep\u0161uje kvalitu \u017eivota<\/p>\n<p><strong>Tenvir AF<\/strong> obsahuje <strong>Tenofovir<\/strong> <strong>Alafenamid<\/strong>.<\/p>","protected":false},"featured_media":60777,"comment_status":"open","ping_status":"closed","template":"","meta":[],"product_brand":[],"product_cat":[3141,3223,3334,3304],"product_tag":[3335,4920,4921],"class_list":{"0":"post-60776","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-category-overview","7":"product_cat-chronic-conditions","8":"product_cat-hepatitis-medication","9":"product_cat-hiv-medication","10":"product_tag-tenofovir","11":"product_tag-tenofovir-alafenamide","12":"product_tag-tenvir-af","14":"first","15":"instock","16":"shipping-taxable","17":"purchasable","18":"product-type-variable","19":"has-default-attributes"},"acf":[],"_links":{"self":[{"href":"https:\/\/medsbase.com\/cs\/wp-json\/wp\/v2\/product\/60776","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/medsbase.com\/cs\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/medsbase.com\/cs\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/medsbase.com\/cs\/wp-json\/wp\/v2\/comments?post=60776"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/medsbase.com\/cs\/wp-json\/wp\/v2\/media\/60777"}],"wp:attachment":[{"href":"https:\/\/medsbase.com\/cs\/wp-json\/wp\/v2\/media?parent=60776"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/medsbase.com\/cs\/wp-json\/wp\/v2\/product_brand?post=60776"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/medsbase.com\/cs\/wp-json\/wp\/v2\/product_cat?post=60776"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/medsbase.com\/cs\/wp-json\/wp\/v2\/product_tag?post=60776"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}