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Liphetho tse Hlakileng tsa Kalafo ea CAR-T e Targeted CD7 bakeng sa T-ALL le T-LBL

2024-06-18

Teko ea morao tjena ea bongaka e bontšitse tsoelo-pele e kholo kalafong ea T-cell acute lymphoblastic leukemia (T-ALL) e khutlileng kapa e sa sebetseng hantle le T-cell lymphoblastic lymphoma (T-LBL) e sebelisang phekolo ea lisele tsa T tse nang le li-antigen receptor (CAR) tse tahiloeng ke CD7. Phuputso ena, e entsoeng ke sehlopha se tsoang Sepetleleng sa Hebei Yanda Lu Daopei le Lu Daopei Institute of Hematology, e ne e kenyelletsa bakuli ba 60 ba ileng ba fumana tekanyo e le 'ngoe ea lisele tsa T tse loantšang CD7 CAR (NS7CAR) tse khethiloeng ka tlhaho.

Liphetho tsa teko li khothatsa haholo. Letsatsing la 28, 94.4% ea bakuli ba fihletse pholiso e tebileng ea 'mele (CR) mokong oa masapo. Ho feta moo, har'a bakuli ba 32 ba nang le lefu la kantle ho medullary, 78.1% ba bontšitse karabelo e ntle, 'me 56.3% ba fihletse pholiso e felletseng 'me 21.9% ba fihletse pholiso e sa fellang. Sekhahla sa ho phela ka kakaretso lilemo tse peli le ho phela ntle le tsoelo-pele e ne e le 63.5% le 53.7%, ka ho latellana.

Thuto ea CAR-T.png

Kalafo ena e ncha e hlokomeleha ka boemo ba eona ba polokeho bo laolehang, ka cytokine release syndrome e hlahang ho bakuli ba 91.7% (boholo ba sehlopha sa 1/2), le chefo ea methapo e bonoang ho 5% ea linyeoe. Ho feta moo, phuputso e fumane hore bakuli ba ileng ba tsoela pele ka ho kenngoa ha li-transplant ka mor'a ho fihlela CR ba ne ba e-na le sekhahla se phahameng haholo sa ho pholoha ntle le tsoelo-pele ha ba bapisoa le ba sa kang ba etsa joalo.

Khamphani ea rona e boetse e ntse e hlahloba bokhoni ba phekolo ea lisele tsa CD7 CAR-T ka sehlahisoa sa rona sa mantlha, se ikemiselitseng ho kenya letsoho ntlafatsong ea kalafo ea mofetše oa lisele tsa T.

Liphuputso tsena li totobatsa bokhoni ba phekolo ea lisele tsa CAR-T tse shebaneng le CD7 ho fana ka tšepo e ncha bakeng sa bakuli ba nang le T-ALL le T-LBL e sa laoleheng kapa ba khutlileng ba sebelisa meriana e meng hape, e leng se tšoaeang ntlha ea bohlokoa ntoeng e tsoelang pele khahlanong le mafu ana a phephetsang.