{"id":27730,"date":"2025-06-24T16:51:17","date_gmt":"2025-06-24T13:51:17","guid":{"rendered":"https:\/\/www.clinica-sante.com\/ro\/analize-fara-categorie\/pd-l1-clona-sp263-imunohistochimie\/"},"modified":"2026-06-16T11:32:25","modified_gmt":"2026-06-16T08:32:25","slug":"pd-l1-clona-sp263-imunohistochimie","status":"publish","type":"product","link":"https:\/\/www.clinica-sante.com\/ro\/analize-anatomie-patologica\/pd-l1-clona-sp263-imunohistochimie\/","title":{"rendered":"PD-L1, clona SP263 &#8211; imunohistochimie"},"content":{"rendered":"<p>Imunohistochimia PD-L1 cu clon\u0103 SP263 este o metod\u0103 standardizat\u0103 \u0219i validat\u0103 clinic pentru evaluarea expresiei PD-L1 \u00een tumorile solide.<\/p>\n<p>Clona SP263 este un anticorp monoclonal utilizat pe platforme automatizate, av\u00e2nd rol de companion diagnostic \u00een multiple tipuri de cancer, \u00een special pentru stabilirea eligibilit\u0103\u021bii la imunoterapie.<\/p>\n<p>Testul eviden\u021biaz\u0103 expresia membranar\u0103 a PD-L1 at\u00e2t pe celulele tumorale, c\u00e2t \u0219i pe celulele imune infiltrative, \u00een func\u021bie de tipul tumoral \u0219i algoritmul de interpretare.<\/p>\n<p>Expresia PD-L1 reflect\u0103 capacitatea tumorii de a inhiba r\u0103spunsul imun prin interac\u021biunea cu receptorul PD-1, contribuind la evadarea imun\u0103 tumoral\u0103.<\/p>\n<h3>Afec\u021biuni sau simptome asociate<\/h3>\n<h3>Testul este utilizat \u00een evaluarea:<\/h3>\n<ul>\n<li>Cancerului pulmonar non-microcelular (NSCLC)<\/li>\n<li>Cancerului urotelial (vezic\u0103 urinar\u0103)<\/li>\n<li>Cancerului esofagian \u0219i gastric<\/li>\n<li>Cancerului cervical<\/li>\n<li>Cancerului mamar (\u00een special triplu negativ)<\/li>\n<li>Melanomului<\/li>\n<li>Carcinomului cu celule renale<\/li>\n<li>Alte tumori solide eligibile pentru imunoterapie<\/li>\n<\/ul>\n<h3>Cui se adreseaz\u0103<\/h3>\n<h3>Testarea se adreseaz\u0103:<\/h3>\n<ul>\n<li>Pacien\u021bilor cu tumori solide avansate sau metastatice<\/li>\n<li>Pacien\u021bilor candida\u021bi pentru imunoterapie anti-PD-1 \/ PD-L1<\/li>\n<li>Medicilor oncologi pentru decizie terapeutic\u0103 personalizat\u0103<\/li>\n<li>Tumor boards multidisciplinare<\/li>\n<li>Cazurilor \u00een care este necesar\u0103 testare companion diagnostic standardizat\u0103<\/li>\n<\/ul>\n<h3>Metodologie de testare<\/h3>\n<ol>\n<li>Selectarea blocului tumoral reprezentativ (FFPE)<\/li>\n<li>Sec\u021bionarea \u021besutului \u0219i preg\u0103tirea lamei histologice<\/li>\n<li>Aplicarea anticorpului monoclonal PD-L1 clon\u0103 SP263<\/li>\n<li>Procesare imunohistochimic\u0103 pe platform\u0103 automatizat\u0103 validat\u0103<\/li>\n<li>Detectarea expresiei membranare PD-L1<\/li>\n<li>Evaluarea procentual\u0103 a celulelor tumorale \u0219i\/sau imune pozitive<\/li>\n<li>Calcularea scorurilor (TPS \u0219i\/sau CPS, \u00een func\u021bie de indica\u021bie)<\/li>\n<li>Emiterea raportului imunohistochimic standardizat<\/li>\n<\/ol>\n<h3>Beneficii \u0219i importan\u021ba clinic\u0103<\/h3>\n<ul>\n<li>Test companion diagnostic validat pentru imunoterapie<\/li>\n<li>Contribuie la selec\u021bia corect\u0103 a pacien\u021bilor pentru tratament anti-PD-1\/PD-L1<\/li>\n<li>Poate contribui la alegerea unei terapii oncologice personalizate.<\/li>\n<li>Poate contribui la evitarea unor tratamente cu probabilitate redus\u0103 de r\u0103spuns.<\/li>\n<li>Standardizare ridicat\u0103 prin utilizarea clonei SP263<\/li>\n<li>Integrare direct\u0103 \u00een ghidurile terapeutice oncologice<\/li>\n<\/ul>\n<h3>Particularit\u0103\u021bi \u0219i limit\u0103ri<\/h3>\n<h3>Particularit\u0103\u021bi<\/h3>\n<ul>\n<li>Clona SP263 este standardizat\u0103 \u0219i validat\u0103 clinic ca test companion diagnostic<\/li>\n<li>Ofer\u0103 rezultate reproductibile pe platforme automatizate<\/li>\n<li>Este acceptat\u0103 \u00een multiple protocoale interna\u021bionale de tratament<\/li>\n<li>Interpretarea depinde de tipul tumoral \u0219i scorul utilizat (TPS\/CPS)<\/li>\n<\/ul>\n<h3>Limit\u0103ri<\/h3>\n<ul>\n<li>Heterogenitatea expresiei PD-L1 \u00een tumori<\/li>\n<li>Posibile varia\u021bii \u00eentre zonele tumorale analizate<\/li>\n<li>Un rezultat PD-L1 negativ nu exclude complet posibilitatea unui beneficiu clinic al imunoterapiei<\/li>\n<li>Depinde de calitatea \u0219i reprezentativitatea probei<\/li>\n<\/ul>\n<h3>Indica\u021bii de testare<\/h3>\n<ul>\n<li>Cancer pulmonar non-microcelular (NSCLC)<\/li>\n<li>Cancer urotelial<\/li>\n<li>Cancer gastric \u0219i esofagian<\/li>\n<li>Cancer mamar triplu negativ<\/li>\n<li>Melanom<\/li>\n<li>Carcinom renal<\/li>\n<li>Alte tumori solide candidate pentru imunoterapie<\/li>\n<li>Stabilirea eligibilit\u0103\u021bii pentru tratament anti-PD-1 \/ PD-L1<\/li>\n<\/ul>\n<h3>Interpretarea rezultatelor<\/h3>\n<h3>PD-L1 pozitiv<\/h3>\n<ul>\n<li>Expresie detectabil\u0103 \u00een celulele tumorale \u0219i\/sau imune<\/li>\n<li>Sugereaz\u0103 probabilitate crescut\u0103 de r\u0103spuns la imunoterapie<\/li>\n<\/ul>\n<h3>PD-L1 negativ<\/h3>\n<ul>\n<li>Absen\u021ba expresiei PD-L1 sau o expresie sub pragul clinic semnificativ.<\/li>\n<li>Poate indica r\u0103spuns mai redus la imunoterapie<\/li>\n<\/ul>\n<h3>Scoruri utilizate<\/h3>\n<ul>\n<li><strong>TPS (Tumor Proportion Score)<\/strong> \u2013 procentul celulelor tumorale pozitive<\/li>\n<li><strong>CPS (Combined Positive Score)<\/strong> \u2013 celule tumorale + celule imune<\/li>\n<\/ul>\n<p>Interpretarea final\u0103 este realizat\u0103 de medicul anatomopatolog \u00een corela\u021bie cu contextul clinic \u0219i terapeutic oncologic.<\/p>\n<h3>Raportarea conform ghidurilor<\/h3>\n<ul>\n<li>Ghiduri NCCN \u0219i ESMO pentru imunoterapie oncologic\u0103<\/li>\n<li>Protocoale companion diagnostic aprobate EMA\/FDA<\/li>\n<li>Standarde interna\u021bionale pentru PD-L1 IHC (clona SP263 validat\u0103)<\/li>\n<li>Sisteme de scorare TPS \u0219i CPS standardizate<\/li>\n<li>Ghiduri de patologie oncologic\u0103 \u0219i imunohistochimie<\/li>\n<\/ul>\n<h3>Factori care pot influen\u021ba rezultatul<\/h3>\n<ul>\n<li>Heterogenitatea expresiei tumorale<\/li>\n<li>Fixarea necorespunz\u0103toare a \u021besutului<\/li>\n<li>Necroza tumoral\u0103<\/li>\n<li>Diferen\u021be \u00eentre zonele biopsiate<\/li>\n<li>Calitatea \u0219i vechimea blocului FFPE<\/li>\n<li>Reprezentativitatea probei tumorale<\/li>\n<\/ul>\n<h3>Condi\u021bii pentru recoltare<\/h3>\n<ul>\n<li>Recoltare tisular\u0103 (biopsie sau pies\u0103 chirurgical\u0103)<\/li>\n<li>Fixare imediat\u0103 \u00een formalin\u0103 tamponat\u0103 10%<\/li>\n<li>Selectarea unei zone tumorale reprezentative<\/li>\n<li>Evitarea zonelor necrotice sau hemoragice<\/li>\n<\/ul>\n<h3>Specimen de recoltare<\/h3>\n<ul>\n<li>\u021aesut tumoral inclus \u00een parafin\u0103 (FFPE)<\/li>\n<li>Biopsii sau piese chirurgicale oncologice<\/li>\n<\/ul>\n<h3>Prob\u0103<\/h3>\n<ul>\n<li>Blocuri de parafin\u0103 reprezentative<\/li>\n<li>Lame histologice pentru imunohistochimie PD-L1 SP263<\/li>\n<\/ul>\n<h3>Stabilitate<\/h3>\n<ul>\n<li>Blocurile FFPE sunt stabile pe termen lung<\/li>\n<li>Calitatea antigenic\u0103 depinde de fixare \u0219i procesare<\/li>\n<li>Materialul vechi poate influen\u021ba intensitatea imunomarcajului<\/li>\n<\/ul>\n<h3>Analize asociate recomandate<\/h3>\n<ul>\n<li>NGS panel tumoral<\/li>\n<li>MSI\/MMR<\/li>\n<li>HER2 (IHC\/ISH)<\/li>\n<li>EGFR, ALK, ROS1 (\u00een cancer pulmonar)<\/li>\n<li>Ki-67<\/li>\n<li>Examen histopatologic complet<\/li>\n<li>Evaluare multidisciplinar\u0103 oncologic\u0103 (tumor board)<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>Testul PD-L1, clon\u0103 SP263, prin imunohistochimie, este o analiz\u0103 companion diagnostic utilizat\u0103 pentru determinarea expresiei proteinei PD-L1 \u00een \u021besut tumoral \u0219i celule imun-infiltrative. Testul este standardizat pe platforme validate \u0219i este utilizat \u00een special pentru selec\u021bia pacien\u021bilor eligibili pentru imunoterapie cu inhibitori PD-1\/PD-L1.<\/p>\n","protected":false},"featured_media":0,"template":"","meta":{"_acf_changed":false,"inline_featured_image":false},"product_brand":[],"product_cat":[1209,3168,2876],"product_tag":[],"class_list":["post-27730","product","type-product","status-publish","product_cat-analize","product_cat-anatomie-patologica","product_cat-serviciu-laborator","first","instock","sale","virtual","purchasable","product-type-simple"],"acf":[],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO Pro 4.9.9 - aioseo.com -->\n\t<meta name=\"description\" content=\"Testul PD-L1, clon\u0103 SP263, prin imunohistochimie, este o analiz\u0103 companion diagnostic utilizat\u0103 pentru determinarea expresiei proteinei PD-L1 \u00een \u021besut tumoral \u0219i celule imun-infiltrative. 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