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Waxtarka Sare ee Daaweynta CAR-T ee CD7 ee Kansarka Unugyada B: Horumar laga sameeyay Daaweynta Kansarka

2024-09-06

Cilmi-baaristii ugu dambeysay waxay iftiiminaysaa waxtarka iyo badbaadada daaweynta unugyada CD7 CAR-T ee daaweynta kansarka dhiigga ee unugyada B-cell ee soo noqnoqda ama aan firfircoonayn (B-ALL) iyo lymphoma-ka unugyada T-cell (T-LBL). Daraasaddan oo ay samaysay BIOOCUS iyadoo kaashanaysa Isbitaalka Lu Daopei, waxay muujinaysaa natiijooyin rajo leh oo loogu talagalay bukaanada, iyadoo bixinaysa beddel xooggan oo loogu talagalay kiimoterabiga caadiga ah.

Horumar xiiso leh oo loogu talagalay Daaweynta Kansarka, BIOOCUS, oo kaashaneysa Isbitaalka Lu Daopei, ayaa daaha ka rogtay cilmi-baaris cusub oo ku saabsan isticmaalka daaweynta unugyada T-cell ee soo-dhoweeyaha unugyada CD7 ee chimeric antigen receptor (CAR). Habkan cusub, oo bartilmaameedsanaya kansarka dhiigga ee unugyada B-cell ee soo noqnoqda ama aan firfircooneyn (B-ALL) iyo kansarka dhiigga ee unugyada T-cell lymphoblastic (T-LBL), wuxuu muujinayaa waxtar iyo badbaado sare, isagoo si weyn u hagaajinaya natiijooyinka bukaanka.

Daraasaddan, oo lagu daabacay joornaal caan ah, waxay ku lug lahayd isbarbardhig barbar socda oo lagu sameeyay bukaanada qaadanaya daaweynta CD7 CAR-T oo ay ku xigto isku-darka tallaalka unugyada dhiigga ee allogeneic hematopoietic stem transplant (allo-HSCT) marka loo eego kuwa lagu daaweeyay kiimoterabiga kahor tallaalka. Natiijooyinka cilmi-baaristu waxay muujinayaan in bukaanada gaaray cafis dhammaystiran (CR) iyagoo isticmaalaya daaweynta CD7 CAR-T ay lahaayeen natiijooyin badbaado oo la mid ah kuwa lagu daaweeyay kiimoterabiga caadiga ah. Waxaa muhiim ah in daraasaddu aysan helin koror weyn oo ku yimid dhibaatooyinka ka dambeeya tallaalka, sida cudurka tallaalka ee ka soo horjeeda martida (GVHD), caabuqyada, ama dhacdooyinka kale ee aan wanaagsanayn.

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Waxyaabaha ugu muhiimsan ee daraasadda laga sameeyay waxaa ka mid ah:

  • Heerka cafinta oo dhammaystiran: Daawaynta CD7 CAR-T waxay muujisay heer cafis dhammaystiran oo cajiib ah, iyadoo in ka badan 97% bukaannada ay si togan uga jawaabeen daaweynta.
  • Astaanta Badbaadada: Iyadoo ay jirto habka cusub ee loo isticmaalo daaweynta CAR-T, daaweyntu si fiican ayay u dulqaadatay, iyadoo ay yar tahay waxyeelada iyo ma jirin koror weyn oo ku yimid GVHD heer sare ah ama dhibaatooyin kale oo daran.
  • Guusha Kadib Tallaalka: Bukaannada qaadanaya allo-HSCT ka dib markii ay gaareen CR iyagoo qaadanaya daaweynta CD7 CAR-T waxay la kulmeen badbaado guud oo wanaagsan (OS) iyo badbaado aan lahayn leukemia (LFS), oo la barbar dhigi karo daawaynta dhaqameed ee ku salaysan kiimoterabiga.

Cilmi-baaristani waxay ka dhigan tahay tallaabo muhiim ah oo laga qaaday dhanka Daaweynta Difaaca Kansarka, oo rajo u ah bukaanada qaba noocyada kansarka dhiigga iyo lymphoma ee soo noqnoqda ama aan firfircoonayn. BIOOCUS waxay weli ka go'an tahay inay horumariso xuduudaha daaweynta CAR-T, iyadoo bixinaysa xalal cusub oo loogu talagalay bukaanada daalay fursadaha daaweynta caadiga ah. Maadaama adduunku uu aqbalayo daaweyntan casriga ah, BIOOCUS waxay hormuud ka tahay horumarinta daawaynta keenta isbeddel dhab ah natiijooyinka bukaanka.