{"id":57247,"date":"2023-01-18T00:42:44","date_gmt":"2023-01-17T21:42:44","guid":{"rendered":"https:\/\/bilimvegelecek.com.tr\/?p=57247"},"modified":"2023-01-18T01:16:45","modified_gmt":"2023-01-17T22:16:45","slug":"kovid-19a-karsi-koruma-saglayan-bir-burun-spreyi-gelistirildi","status":"publish","type":"post","link":"https:\/\/bilimvegelecek.com.tr\/index.php\/2023\/01\/18\/kovid-19a-karsi-koruma-saglayan-bir-burun-spreyi-gelistirildi","title":{"rendered":"Kovid-19&#8217;a kar\u015f\u0131 koruma sa\u011flayan bir burun spreyi geli\u015ftirildi"},"content":{"rendered":"<p>\u00c7in&#8217;de geli\u015ftirilen ve antikor i\u00e7eren burun spreyi \u00fczerinde yap\u0131lan yeni bir ara\u015ft\u0131rma, bunun Kovid-19 enfeksiyonuna kar\u015f\u0131 yakla\u015f\u0131k y\u00fczde 80 \u00f6nleyici olabilece\u011fini g\u00f6steriyor. Ancak uzmanlar, yan etkileri oldu\u011funu ve daha fazla ayr\u0131nt\u0131ya ihtiya\u00e7 duyduklar\u0131n\u0131 s\u00f6yleyerek dikkatli olunmas\u0131n\u0131 istedi.<br \/>\nKas\u0131m ay\u0131nda bir Kovid-19 salg\u0131n\u0131 s\u0131ras\u0131nda \u0130\u00e7 Mo\u011folistan, Hohhot&#8217;ta yap\u0131lan \u00e7al\u0131\u015fma i\u00e7in binlerce sa\u011fl\u0131k \u00e7al\u0131\u015fan\u0131 i\u015fe al\u0131nd\u0131. Ara\u015ft\u0131rmac\u0131lardan olu\u015fan bir ekibin Cumartesi g\u00fcn\u00fc medRxiv&#8217;e g\u00f6nderdi\u011fi bir makalede, burun spreyini g\u00fcnde iki kez kullananlar\u0131n, kullanmayanlar\u0131n yakla\u015f\u0131k be\u015fte biri oran\u0131nda enfekte oldu\u011fu bildirildi.<br \/>\nSprey, Sinovac Life Sciences taraf\u0131ndan geli\u015ftirilmi\u015ftir ve SA58 olarak bilinen koronavir\u00fcs\u00fc n\u00f6tralize edebilen (etkisizle\u015ftiren) t\u00fcm Omicron su\u015flar\u0131 da dahil geni\u015f spektrumlu bir antikor i\u00e7ermektedir.<br \/>\nBurun spreyi, antikorlar\u0131 koronavir\u00fcs\u00fcn ilk temas etti\u011fi organ olan buruna iletiyor. \u00c7al\u0131\u015fma s\u0131ras\u0131nda burun ak\u0131nt\u0131s\u0131 veya kurulu\u011fu ve hap\u015f\u0131rma gibi yakla\u015f\u0131k 1.800 olumsuz yan etki g\u00f6zlemlenmi\u015f ancak bu yan etkiler hafif olup g\u00fcnl\u00fck i\u015fi etkilemeden h\u0131zla ortadan kalkm\u0131\u015ft\u0131.<br \/>\n\u00c7al\u0131\u015fma ekibi &#8220;T\u0131bbi personel \u00fczerinde SA58 burun spreyi ile ilgili bu klinik \u00e7al\u0131\u015fma, iyi bir tolerans ve iyi bir Kovid-19 \u00f6nleme etkinli\u011fi derecesiyle daha yo\u011fun pop\u00fclasyonlarda ve \u2018ger\u00e7ek d\u00fcnyada\u2019 uygulanmay\u0131 hak ediyor\u201d vurgusunu yapt\u0131.<br \/>\nYay\u0131nlanmak \u00fczere hakem de\u011ferlendirmesini bekleyen makaleleri d\u00fcnyan\u0131n d\u00f6rt bir yan\u0131ndan ilgi g\u00f6rd\u00fc.<\/p>\n<p><strong>Daha \u00e7ok bilgi edinilmesi gerekli<\/strong><br \/>\nNew York&#8217;taki Columbia \u00dcniversitesi&#8217;nde bir imm\u00fcnolog olan Donna Farber, \u00e7al\u0131\u015fman\u0131n<br \/>\nilgin\u00e7 oldu\u011funu, ancak bulgular\u0131 de\u011ferlendirebilecek yeterli bilgiye ula\u015f\u0131lmas\u0131 gerekti\u011finden s\u00f6z ediyor.<br \/>\n\u00d6rne\u011fin ila\u00e7 grubuna antikor i\u00e7eren burun spreyi alt\u0131 saat aral\u0131klarla g\u00fcnde iki kez uygulanm\u0131\u015fken kontrol grubuna herhangi bir burun spreyi verilmemi\u015ftir.<br \/>\nFarber\u2019a g\u00f6re uygun kontrol grubu, i\u00e7inde antikor olmayan nazal tuzlu su spreyini ayn\u0131 aral\u0131klarla alan bir gruptan olu\u015fmal\u0131d\u0131r. Ayr\u0131ca gruplar\u0131n maske takma gibi di\u011fer koruyucu \u00f6nlemleri kullan\u0131p kullanmad\u0131klar\u0131 da belirtilmelidir.<br \/>\nFarber ayr\u0131ca, burun spreyi kullan\u0131m\u0131ndan kaynakland\u0131\u011f\u0131 bildirilen yan etkilerin, \u201cg\u00fcnde en az iki kez al\u0131nmas\u0131 gereken bir ila\u00e7\u201d i\u00e7in \u00e7ok y\u00fcksek g\u00f6r\u00fcnd\u00fc\u011f\u00fcn\u00fc de vurgulad\u0131.<br \/>\nMakaleye g\u00f6re kat\u0131l\u0131mc\u0131lar\u0131n yakla\u015f\u0131k %30\u2019u olumsuz yan etkiler bildirmi\u015fti ki bu da \u201c\u00f6nleyici\u201d s\u0131n\u0131f\u0131na giren ila\u00e7lar i\u00e7in y\u00fcksek bir orand\u0131.<br \/>\nFarber, antikor olu\u015fumu i\u00e7in zaten v\u00fccudun ba\u011f\u0131\u015f\u0131kl\u0131k sistemi taraf\u0131ndan \u00fcretilen n\u00f6tralize edici proteinler oldu\u011funu; \u015fiddetli Cov\u0131d-19 vakalar\u0131n\u0131 tedavi etmek i\u00e7in de damar i\u00e7i olarak uygulanabilece\u011fini ancak elbette \u00e7ok pahal\u0131 olduklar\u0131n\u0131 da belirtti.<br \/>\nKorona vir\u00fcs\u00fcn\u00fcn ilk temas etti\u011fi organ olan buruna antikor uygulanmas\u0131 elbette \u00e7ok daha faydal\u0131 olacakt\u0131r. Ancak stabilite gibi etkinliklerini test etmek ve \u00f6rne\u011fin antikor i\u00e7eri\u011finin genel kan dola\u015f\u0131m\u0131na kat\u0131l\u0131p kat\u0131lmad\u0131\u011f\u0131n\u0131n da kontroll\u00fc \u00e7al\u0131\u015fmalarla netle\u015ftirilmesi gerekir.<br \/>\n\u00c7al\u0131\u015fma i\u00e7in kuzeydeki Hohhot \u015fehrinde belirlenmi\u015f Kovid-19 hastaneleri ve d\u00f6rt &#8220;fangcang&#8221; sahra hastanesinden 6.600&#8217;den fazla sa\u011fl\u0131k personeli \u00e7a\u011fr\u0131lm\u0131\u015ft\u0131.<br \/>\n\u0130ki gruba ayr\u0131lan kat\u0131l\u0131mc\u0131lar\u0131n burun spreyini g\u00fcnde iki kez uygulamalar\u0131 s\u00f6ylenmi\u015f ve herhangi bir olumsuz olay\u0131 bir WeChat uygulamas\u0131 arac\u0131l\u0131\u011f\u0131yla bildirmeleri istenmi\u015fti. Her iki gruba da her g\u00fcn PCR testi uygulanm\u0131\u015f ve \u00e7al\u0131\u015fma 31 Ekim&#8217;den 30 Kas\u0131m&#8217;a kadar s\u00fcrm\u00fc\u015ft\u00fc.<br \/>\nAncak ila\u00e7 grubunun yakla\u015f\u0131k yar\u0131s\u0131 g\u00f6zlem d\u00f6neminde okulu b\u0131rakt\u0131\u011f\u0131 i\u00e7in \u00e7al\u0131\u015fmadan \u00e7ekildiler.<\/p>\n<p><strong>\u0130lk sonu\u00e7lar ba\u015far\u0131l\u0131<\/strong><br \/>\nKat\u0131l\u0131mc\u0131lar\u0131n yakla\u015f\u0131k 5.000&#8217;i \u00e7al\u0131\u015fmay\u0131 tamamlad\u0131. Kas\u0131m sonunda yap\u0131lan PCR testlerinin 135\u2019i pozitif \u00e7\u0131kt\u0131. Bunlardan yedisi ila\u00e7 grubundan 128\u2019i ise kontrol grubundand\u0131.<br \/>\nKat\u0131lanlar farkl\u0131 vardiyalar ve rotasyonlar \u015feklinde \u00e7al\u0131\u015ft\u0131klar\u0131 i\u00e7in ara\u015ft\u0131rmac\u0131lar kat\u0131l\u0131mc\u0131 say\u0131s\u0131n\u0131 \u201cki\u015fi-g\u00fcn\u201d olarak adland\u0131r\u0131lan bir parametreyle belirlediler. Sonu\u00e7ta ila\u00e7 alan grupta enfeksiyon oran\u0131 y\u00fczde 0,026 iken kontrol grubununki y\u00fczde 0,116 idi.<br \/>\n\u00c7al\u0131\u015fma, plasebo kontroll\u00fc \u00e7ift k\u00f6r bir \u00e7al\u0131\u015fma olmad\u0131\u011f\u0131ndan olu\u015fan veri yanl\u0131l\u0131\u011f\u0131 nedeniyle SA58 burun spreyinin koruyucu etkinli\u011finin do\u011frulanmas\u0131 i\u00e7in daha fazla klinik deney gerekti\u011fi \u00f6zellikle belirtilmektedir.<br \/>\nMakale yazarlar\u0131ndan Pekin \u00dcniversitesi&#8217;nden bir biyokimyac\u0131 olan Cao Yunlong ise SA58&#8217;in Omicron\u2019un t\u00fcm varyantlar\u0131nda ve XBB gibi yeni alt de\u011fi\u015fkenlere kar\u015f\u0131 h\u00e2l\u00e2 \u00e7ok etkili olabilece\u011fini vurguluyor.<br \/>\nAncak koronavir\u00fcse kar\u015f\u0131 antikor geli\u015ftirmenin en iyi yolu a\u015f\u0131lamad\u0131r. Farber&amp;#39;e g\u00f6re, ba\u011f\u0131\u015f\u0131kl\u0131k sistemi de bu antikorlardan y\u00fcksek ve kararl\u0131 bir konsantrasyon \u00fcretebilmektedir.<br \/>\nFarber. &#8220;Aksine, antikorlar\u0131n verilmesi ge\u00e7icidir \u00e7\u00fcnk\u00fc siz sadece antikoru sa\u011fl\u0131yorsunuz. Oysa bu antikoru \u00fcretecek h\u00fccre deposu yok. \u00c7ok ge\u00e7ici etkileri olmas\u0131 muhtemeldir, tekrarlanan ve g\u00fcnl\u00fck tedaviler gerektiriyor\u201d diyor ve a\u015f\u0131lar\u0131n daha etkili ve yan etkilerinin daha az oldu\u011funu vurguluyor.<br \/>\n\u00c7in de dahil olmak \u00fczere baz\u0131 \u00fclkelerde i\u011fnesiz Covid-19 a\u015f\u0131lar\u0131 d\u00fcnyada kullan\u0131lmaya ba\u015fland\u0131. CanSino Biologics taraf\u0131ndan g\u00fc\u00e7lendirici olarak geli\u015ftirilen solunabilir bir a\u015f\u0131n\u0131n acil durumda kullan\u0131lmas\u0131n\u0131n da onay\u0131 yak\u0131n zamanda al\u0131nd\u0131.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u00c7in&#8217;de geli\u015ftirilen ve antikor i\u00e7eren burun spreyi \u00fczerinde yap\u0131lan yeni bir ara\u015ft\u0131rma, bunun Kovid-19 enfeksiyonuna kar\u015f\u0131 yakla\u015f\u0131k y\u00fczde 80 \u00f6nleyici olabilece\u011fini g\u00f6steriyor. Ancak uzmanlar, yan etkileri oldu\u011funu ve daha fazla ayr\u0131nt\u0131ya ihtiya\u00e7 duyduklar\u0131n\u0131 s\u00f6yleyerek dikkatli olunmas\u0131n\u0131 istedi. Kas\u0131m ay\u0131nda bir Kovid-19 salg\u0131n\u0131 s\u0131ras\u0131nda \u0130\u00e7 Mo\u011folistan, Hohhot&#8217;ta yap\u0131lan \u00e7al\u0131\u015fma i\u00e7in binlerce sa\u011fl\u0131k \u00e7al\u0131\u015fan\u0131 i\u015fe al\u0131nd\u0131. Ara\u015ft\u0131rmac\u0131lardan [&hellip;]<\/p>\n","protected":false},"author":42,"featured_media":57248,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[19,4696],"tags":[8785,8786,8568,8787],"class_list":["post-57247","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-bilim-gundemi","category-tip","tag-burun-spreyi","tag-kovid-ilaci","tag-kovid-19","tag-sinovac"],"acf":[],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 4.9.8 - aioseo.com -->\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<meta name=\"author\" content=\"Ebru Oktay\"\/>\n\t<link rel=\"canonical\" href=\"https:\/\/bilimvegelecek.com.tr\/index.php\/2023\/01\/18\/kovid-19a-karsi-koruma-saglayan-bir-burun-spreyi-gelistirildi\" \/>\n\t<meta name=\"generator\" content=\"All in One SEO (AIOSEO) 4.9.8\" \/>\n\t\t<meta property=\"og:locale\" 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