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Faragelinta Hore ee Daaweynta CAR-T ee loogu talagalay Lymphoma-ka Unugyada B ee Weyn waxay Muujisaa Natiijooyin Rajo leh

2025-02-14

Daraasad dib-u-eegis ah oo dhawaan lagu daabacay Beerista Dhuuxa Lafahasahamiyay waxtarka faragelinta hore iyo kan dambe ee daaweynta unugyada CAR-T ee bukaanada qaba cudurrada daran ee daran Lymphoma-ka Unugga B (LBCL). Daraasaddan oo laga sameeyay saddex xarumood oo ku yaal Mareykanka iyo Israa'iil, waxaa ku lug lahaa 354 bukaan oo lagu daweeyay daaweynta CAR-T ee CD19-ku bartilmaameedsan yahay intii u dhaxaysay Abriil 2016 iyo Maarso 2024. Daraasaddu waxay higsaneysay in lagu qiimeeyo saameynta maamulka daaweynta CAR-T oo ah daaweyn xariiqda labaad (daaweyn hore) marka loo eego safka saddexaad ama dambe (daaweyn dambe) oo loogu talagalay LBCL-ka soo noqnoqda ama ka soo horjeeda.

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Natiijooyinku waxay muujiyeen in maamulka hore ee daaweynta CAR-T, marka la eego in culayska burooyinka bukaanka uu hooseeyo iyo deegaanka difaaca jirka oo aad u wanaagsan, uu lahaa saameyn rajo leh. Heerka jawaab celinta guud ee hal sano ka dib wuxuu ahaa 87% daawaynta hore iyo 82% daawaynta dambe, inkastoo farqiga uusan ahayn mid tirakoob ahaan muhiim ah (p=0.3). Si kastaba ha ahaatee, heerka badbaadada guud (OS) wuxuu ahaa mid ka sarreeya kooxda daaweynta hore, iyadoo 82% ay badbaaday hal sano marka la barbar dhigo 71% kooxda daaweynta dambe (p=0.048).

Waxaa xiiso leh, daraasaddu ma aysan helin farqi weyn oo u dhexeeya labada kooxood ee badbaadada aan horumarka lahayn (PFS), heerarka soo noqoshada, ama dhimashada la xiriirta daaweynta. Heerarka soo noqoshada ee wadarta ah ee 1-sano waxay ahaayeen 37% kooxda hore iyo 43% kooxda dambe, iyada oo aan wax saameyn ah la lahayn waqtiga maamulka CAR-T (p = 0.2). Daraasaddu waxay sidoo kale ogaatay in dhacdooyinka cudurka sii deynta cytokine-ka ee heerka 2 ama ka sarreeya (CRS) uu si weyn uga hooseeyay kooxda daaweynta hore (26%) marka la barbar dhigo kooxda daaweynta dambe (39%) (p = 0.031), taasoo soo jeedinaysa in faragelinta hore ay yareyn karto sunta la xiriirta daaweynta qaarkood.

Natiijooyinkani waxay taageerayaan isticmaalka daaweynta CAR-T oo ah daaweyn labaad oo loogu talagalay LBCL, maadaama ay ka hortagi karto dhibaatooyinka la xiriira daaweynta marxaladda dambe, oo ay ku jiraan dulqaad la'aanta oo ay ugu wacan tahay caafimaadka guud ee bukaanka ama daalka unugyada T. Daraasaddu waxay sidoo kale xoogga saareysaa baahida loo qabo cilmi-baaris dheeraad ah si loo fahmo hababka bayoolojiga ee iska caabbinta CAR-T iyo in la sahamiyo daaweynta isku-dhafka ah ee suurtagalka ah si loo hagaajiyo natiijooyinka dhammaan marxaladaha daaweynta.

In kasta oo daraasaddu dib u eegis ku samaynayso oo laga yaabo inay ku xiran tahay eex iyo dabagal xaddidan, natiijooyinku waxay bixiyaan aragtiyo qiimo leh oo ku saabsan waqtiga ugu habboon ee daaweynta CAR-T ee bukaanada LBCL. Natiijooyinka waxay soo jeedinayaan in faragelinta hore ee daaweynta CAR-T ay hagaajin karto badbaadada iyo yareyn karto sunta, taasoo bixinaysa tallaabo muhiim ah oo hore loogu qaadayo hagaajinta istaraatiijiyadaha daaweynta ee kansarkan adag.