{"id":17769,"date":"2025-10-26T13:14:32","date_gmt":"2025-10-26T12:14:32","guid":{"rendered":"https:\/\/veritasinfo.org\/?p=17769"},"modified":"2025-10-26T13:15:07","modified_gmt":"2025-10-26T12:15:07","slug":"da-li-mrna-vakcine-protiv-koronavirusa-pomazu-u-lecenju-raka-onkolozi-ocenjuju-novu-studiju","status":"publish","type":"post","link":"https:\/\/veritasinfo.org\/?p=17769&lang=sr","title":{"rendered":"Da li mRNA vakcine protiv koronavirusa poma\u017eu u le\u010denju raka? Onkolozi ocenjuju novu studiju"},"content":{"rendered":"<p>Pri\u0161tina, 26. oktobar 2025.<\/p>\n<p>Holandski onkolozi ocenili su kao \u201eimpresivne\u201c rezultate nove ameri\u010dke studije koja sugeri\u0161e da mRNA vakcine protiv koronavirusa mogu pove\u0107ati efikasnost imunoterapije kod odre\u0111enih tipova raka plu\u0107a i ko\u017ee.<\/p>\n<p>Prema studiji objavljenoj u presti\u017enom \u010dasopisu Nature 21. oktobra 2025. godine, pacijenti sa odre\u0111enim oblicima uznapredovalog raka plu\u0107a (poput nemalih \u0107elija, NSCLC) koji su primili mRNA vakcinu protiv COVID-19 \u017eiveli su u proseku 37,3 meseca \u2014 odnosno 16,5 meseci du\u017ee od nevakcinisanih pacijenata, koji su imali prose\u010dno pre\u017eivljavanje od 20,6 meseci. Studija, predstavljena i na Kongresu Evropskog dru\u0161tva za medicinsku onkologiju (ESMO) 2025, analizirala je medicinske podatke vi\u0161e od 1.000 pacijenata sa uznapredovalim rakom plu\u0107a ili melanomom (rak ko\u017ee), le\u010denih u Kancer centru MD Anderson u Teksasu od 2019. do 2023. godine.<\/p>\n<p>Ovo istra\u017eivanje, koje su vodili Adam Grippin i Elias Sayour sa Univerziteta Floride i MD Andersona, pokazalo je da se pozitivni efekti javljaju samo ako se mRNA vakcinacija (poput one Pfizer\/BioNTech ili Moderna) sprovede u roku od 100 dana pre ili posle po\u010detka imunoterapije inhibitorima kontrolnih ta\u010daka (ICI), kao \u0161to su nivolumab ili pembrolizumab. Na primer, kod raka plu\u0107a, stopa pre\u017eivljavanja nakon tri godine bila je 55,7% kod vakcinisanih pacijenata, u pore\u0111enju sa samo 30,8% kod nevakcinisanih. Kod melanoma, prose\u010dno pre\u017eivljavanje pove\u0107alo se sa 26,7 na 30\u201340 meseci. Studija nije prona\u0161la sli\u010dne efekte kod ne-mRNA vakcina, poput onih protiv gripa ili pneumonije, \u0161to nagla\u0161ava specifi\u010dnu ulogu mRNA tehnologije u \u201ebu\u0111enju\u201c imunog sistema.<\/p>\n<p>Reakcija holandskih onkolo\u0161kih udru\u017eenja<\/p>\n<p>Holandsko udru\u017eenje za medicinsku onkologiju (NVMO) i Holandsko udru\u017eenje lekara za bolesti plu\u0107a i tuberkulozu (NVALT) izjavili su da rezultati \u201esna\u017eno podr\u017eavaju postoje\u0107a saznanja o interakciji izme\u0111u mRNA vakcina i imunoterapije\u201c, ali su upozorili na potrebu opreza u tuma\u010denju zaklju\u010daka. \u201eMogu\u0107e je da su nevakcinisani pacijenti bili u lo\u0161ijem zdravstvenom stanju, \u0161to je moglo uticati na rezultate\u201c, rekli su holandski stru\u010dnjaci, isti\u010du\u0107i potrebu za ve\u0107im klini\u010dkim studijama. Ova udru\u017eenja, koja prate vakcinaciju protiv COVID-19 kod pacijenata sa rakom od 2021. godine kroz studiju VOICE, smatraju ove nalaze obe\u0107avaju\u0107im, ali ne i kona\u010dnim dokazom.<\/p>\n<p>Onkolog i internista John Haanen iz bolnice Antoni van Leeuwenhoek (vode\u0107eg centra za rak u Holandiji) rekao je da studija ne pru\u017ea \u201ekona\u010dan dokaz\u201c, ali daje \u201esna\u017ene indikacije\u201c da mRNA vakcine mogu poja\u010dati imunolo\u0161ki odgovor protiv raka. Haanen, stru\u010dnjak za imunoterapiju i mRNA vakcine protiv raka, naglasio je da bi ovaj efekat mogao biti naro\u010dito koristan za tzv. \u201ehladne\u201c tumore, koji obi\u010dno ne reaguju na imunoterapiju. Tako\u0111e je pomenuo i nedavno istra\u017eivanje u kojem su personalizovane mRNA vakcine usmerene protiv specifi\u010dnih tumorskih proteina pobolj\u0161ale rezultate kod pacijenata, otvaraju\u0107i mogu\u0107nosti za nove kombinacije tretmana.<\/p>\n<p>Implikacije i oprez: \u0160ta treba da znamo?<\/p>\n<p>Ovi nalazi su obe\u0107avaju\u0107i, ali zahtevaju potvrdu u randomizovanim klini\u010dkim ispitivanjima, poput faze III studije koju planira ameri\u010dki tim. Dok je mRNA tehnologija revolucionisala vakcinaciju protiv COVID-19, njena primena u onkologiji mogla bi se pro\u0161iriti na terapijske vakcine protiv raka koje ciljaju specifi\u010dne tumorske mutacije. Holandski stru\u010dnjaci, poput Manfreda van Egmonda sa Univerziteta u Amsterdamu, predvi\u0111aju brz razvoj ovog polja, ali nagla\u0161avaju da \u0107e klini\u010dka primena zahtevati vreme.<\/p>\n<p>U zaklju\u010dku, ovo istra\u017eivanje otvara novo poglavlje u le\u010denju raka, pokazuju\u0107i da vakcine razvijene za pandemiju mogu imati neo\u010dekivane koristi u borbi protiv raka. Ipak, pacijenti treba da se konsultuju sa svojim lekarima o vakcinaciji, uzimaju\u0107i u obzir svoje individualno zdravstveno stanje.<\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Pri\u0161tina, 26. oktobar 2025. Holandski onkolozi ocenili su kao \u201eimpresivne\u201c rezultate nove ameri\u010dke studije koja sugeri\u0161e da mRNA vakcine protiv koronavirusa mogu pove\u0107ati efikasnost imunoterapije<\/p>\n","protected":false},"author":7,"featured_media":17771,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[30],"tags":[],"class_list":["post-17769","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-drustvo"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v25.3.1 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Da li mRNA vakcine protiv koronavirusa poma\u017eu u le\u010denju raka? 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