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Natiijooyin rajo leh oo ku saabsan Daaweynta CAR-T ee CD7 ee Daaweynta Lymphoma-ka Unugga T-Cell ee Dusha Sare ee Soo Noqnoqday/Ka-noqoshada ee ASH 2024

2024-12-17

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Shirkii Sanadlaha ahaa ee 66-aad ee Ururka Maraykanka ee Dhiigga (ASH) 2024, oo laga qabtay Diseembar 7 ilaa 10 magaalada San Diego, Prof. Lu Peihua oo ka tirsan Isbitaalka Lu Daopei ayaa soo bandhigay tijaabo caafimaad oo wejiga koowaad ah oo ku saabsan daaweynta unugyada T-cell-ka ee Chimeric Antigen Receptor T-cell (CAR-T) ee CD7-ku beegsanayo daaweynta dib-u-soo-noqoshada/iska caabbinta. Lymphoma-ka Unugyada T (R/R PTCL). Tani waa horumar muhiim ah oo laga sameeyay daaweynta kansarka unugyada T, halkaas oo fursadaha daaweynta ee la heli karo ay xaddidan yihiin oo guud ahaan waxtar yar leeyihiin.

 

R/R PTCL waxaa loo yaqaanaa saadaalinteeda liidata, gaar ahaan bukaanada soo maray daaweyn badan, oo ay ku jiraan tallaalka unugyada dhiigga ee allogeneic (allo-HSCT). Iyadoo ay taasi jirto, daaweynta CD7 CAR-T, gaar ahaan daaweynta unugyada NS7CAR-T ee ay sameeyeen kooxda Prof. Lu, waxay muujisay natiijooyin dhiirigelin leh oo ku saabsan daaweynta bukaanada qaba R/R PTCL ee CD7-positive. Tijaabadan, wadarta shan bukaan, oo da'doodu u dhaxayso 39 ilaa 60, oo leh marxalado horumarsan oo R/R PTCL ah ayaa la diiwaangeliyey intii u dhaxaysay Abriil 2021 iyo Noofambar 2023. Bukaannadani waxay soo mareen celcelis ahaan lix saf oo daaweyn ah oo hore, oo ay ku jiraan hal kiis oo leh taariikh tallaalidda unugyada asliga ah ee autologous.

 

Natiijooyinku waxay ahaayeen kuwo rajo leh: muddo dabagal dhexdhexaad ah oo 234 maalmood ah gudahood, 60% bukaannada ayaa gaaray cafis dhammaystiran (CR), hal bukaanna wuxuu gaaray cafis qayb ahaan ah (PR). Waxaa muhiim ah, daaweyntu waxay muujisay heer sare oo ah faafitaanka unugyada CAR-T iyo adkeysi bukaannada, iyadoo heerka ugu sarreeya ee unugyada CAR-T uu gaaray 93.5% waxtar. Waxaa xusid mudan, ma jirin waxyeellooyin muhiim ah sida sunta neerfaha, iyo cudurka sii deynta cytokine (CRS) wuxuu ahaa mid fudud, iyadoo hal bukaan oo keliya uu la kulmay heerka labaad ee CRS. Astaamaha badbaadada waa la maarayn karay, iyada oo aan la arkin sun daran.

 

Cilmi-baarista Prof. Lu waxay iftiiminaysaa awoodda daawaynta CD7 CAR-T oo ah mid wax ka beddeleysa daaweynta kansarka unugyada T, gaar ahaan bukaanada aan haysan fursado daaweyn oo yar ama aan lahayn. Marka laga soo tago natiijooyinka wanaagsan ee PTCL, kooxda Prof. Lu waxay horey u gaareen waxtar aad u wanaagsan oo ku saabsan daaweynta kansarka unugyada T-cell lymphoblastic (T-ALL) iyo kansarka unugyada T-cell lymphoblastic (T-LBL), iyadoo ku dhawaad ​​​​95% heer cafis dhammaystiran ay gaareen koox ka kooban 60 bukaan. Marka la eego natiijooyinkan, kooxdu hadda waxay ku fidinaysaa cilmi-baaristooda kansarka kale ee dhiigga sida kansarka myeloid ee daran (AML), iyadoo xog hore ay muujinayso heer cafis dhammaystiran oo 70% ah oo loogu talagalay bukaanada AML ee CD7-positive.

 

Iyadoo ay jiraan natiijooyinkan wanaagsan, Prof. Lu wuxuu ku nuuxnuuxsaday muhiimadda ay leedahay in la isku daro daaweynta CD7 CAR-T iyo allo-HSCT si loo hagaajiyo natiijooyinka muddada dheer. Kala duwanaanshaha kansarka unugyada T waxay u baahan tahay istaraatiijiyad daaweyn oo dhammaystiran si loo kordhiyo fursadaha cafinta waarta iyo daawaynta suurtagalka ah. Kooxdu waxay sii waddaa inay hagaajiso hab-dhaqankooda oo ay ballaariso tilmaamaha daaweynta ee daaweynta CD7 CAR-T.

 

Shaqada hormuudka ah ee Prof. Lu, oo horey u daweysay in ka badan 300 oo bukaan ah oo lagu daweeyay CD7 CAR-T, waxay ka dhigan tahay tallaabo weyn oo hore loogu qaaday daaweynta kansarka unugyada T. Hore u socoshada, kooxdu waxay ka go'an tahay inay sii waddo tijaabooyinka caafimaad iyo hagaajinta farsamooyinka daaweynta unugyada CAR-T, iyadoo hubinaysa in bukaanno badan ay ka faa'iideysan doonaan habkan cusub.

 

Tijaabadan Wajiga I ee rajo leh ee ASH 2024 waxay hoosta ka xariiqaysaa suurtagalnimada daaweynta CD7 CAR-T oo ah xuduud cusub oo ku saabsan kansarka dhiigga, taasoo rajo siinaysa bukaanada qaba xaalado aan hore loo daweyn karin.