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Kev Kho Mob CD19 CAR-T Qis Qis ntawm Lu Daopei Tsev Kho Mob Qhia Txog Cov Txiaj Ntsig Zoo rau Cov Neeg Mob B-ALL

2024-07-30

Hauv kev tshawb nrhiav tshiab uas tau ua nyob rau hauv Tsev Kho Mob Lu Daopei, cov kws tshawb fawb tau tshaj tawm txog kev nce qib tseem ceeb hauv kev kho mob ntawm cov kab mob B acute lymphoblastic leukemia (B-ALL) uas tsis kho tau lossis rov qab los siv cov tshuaj kho mob CAR-T cell CD19 tsawg. Kev tshawb nrhiav, uas muaj 51 tus neeg mob koom nrog, tau qhia tias txoj hauv kev tshiab no tsis yog tsuas yog ua tiav cov nqi kho mob tiav (CR) siab xwb tab sis kuj tseem khaws cia qhov kev nyab xeeb zoo.

Cov pab pawg tshawb fawb, uas Dr. C. Tong los ntawm Department of Hematology thiab Dr. AH Chang los ntawm Clinical Translational Research Center ntawm Tongji University School of Medicine coj, tau tshawb nrhiav cov teebmeem ntawm kev siv tshuaj CAR-T tsawg dua - kwv yees li 1 × 10^5/kg - piv rau cov tshuaj ntau dua li qub. Txoj hauv kev no tsom mus rau kev sib npaug ntawm kev kho mob nrog kev txo qis ntawm cov kev mob tshwm sim hnyav, tshwj xeeb tshaj yog cytokine release syndrome (CRS).

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Cov txiaj ntsig ntawm kev tshawb fawb no yeej txaus nyiam heev. Ntawm 42 tus neeg mob uas tsis kho tau/rov qab mob B-ALL, 36 tus tau txais CR lossis CR nrog kev rov zoo ntawm cov lej tsis tiav (CRi), thaum tag nrho cuaj tus neeg mob uas muaj kab mob tsawg kawg nkaus (MRD) tau txais MRD tsis zoo. Ntxiv mus, feem ntau cov neeg mob tsuas muaj CRS me me mus rau nruab nrab xwb, nrog rau cov mob hnyav tau tswj hwm zoo los ntawm cov tswv yim kev pab thaum ntxov.

Dr. Tong tau hais txog qhov tseem ceeb ntawm txoj kev tshawb fawb no, hais tias, "Cov txiaj ntsig qhia tau tias kev kho mob CD19 CAR-T cell tsawg, tom qab ntawd los ntawm kev hloov pauv allogeneic hematopoietic stem cell (allo-HCT), muab kev kho mob zoo rau cov neeg mob uas muaj lwm txoj hauv kev tsawg. Kev kho mob no tsis yog tsuas yog muab cov lus teb zoo xwb tab sis kuj txo qis qhov kev pheej hmoo ntawm cov teeb meem loj heev."

Qhov kev vam meej ntawm txoj kev tshawb fawb no qhia txog lub peev xwm ntawm kev kho mob CAR-T cell hauv kev kho mob cov kab mob hematological nyuaj. Tsev Kho Mob Lu Daopei, uas paub txog nws txoj haujlwm ua thawj coj hauv kev kho mob cellular Kev kho mob tiv thaiv kab mob, tseem niaj hnub ua tus thawj coj hauv kev muab kev kho mob tshiab rau cov neeg mob uas muaj cov mob hematologic nyuaj.

Thaum txoj kev tshawb fawb no mus ntxiv, pab neeg tshawb fawb no zoo siab tias yuav txhim kho cov koob tshuaj thiab cov txheej txheem kom pab tau cov neeg mob kom zoo dua. Cov ntaub ntawv los ntawm txoj kev tshawb fawb no tau muab luam tawm hauv phau ntawv xov xwm. Kab mob ntshav dawb (leukemia) thiab muab kev cia siab rau cov neeg mob B-ALL thoob ntiaj teb.