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I-Acute Lymphoblastic Leukemia (T-ALL)-05

Isiguli: Ongaziwa

Ubulili: Owesilisa

Ubudala: Uneminyaka eyi-15 ubudala

Ubuzwe: IsiShayina

Ukuxilongwa:I-Acute Lymphoblastic Leukemia (T-ALL)

    Ukuthethelelwa Kwesiguli Esibuyele Emuva Se-T-ALL Esine-Central Nervous System Leukemia Ngemva Kokwelashwa Nge-CAR-T


    Leli cala lihilela umfana oneminyaka engu-16 ubudala waseNyakatho-mpumalanga yeShayina, ohambo lwakhe olune-leukemia lube nezinselele eziningi selokhu atholakala enalo esikhathini esingaphezu konyaka odlule.


    Ngomhlaka-8 Novemba 2020, uDawei (igama elingelona elakhe) wavakashela isibhedlela sendawo ngenxa yokuqina kobuso, ukuqubuka, kanye nomlomo ogobile. Watholakala ene-"acute lymphoblastic leukemia (uhlobo lwe-T-cell)." Ngemva kwesifundo esisodwa se-induction chemotherapy, i-MRD (isifo esincane esisele) ayizange itholakale, kwalandela i-chemotherapy ejwayelekile. Phakathi nalesi sikhathi, ukubhoboza umnkantsha wamathambo, ukubhoboza i-lumbar, kanye nokujova ngaphakathi kwe-thecal akubonisanga ukuphazamiseka.


    Ngomhlaka-6 Meyi 2021, kwenziwa ukubhoboza i-lumbar ngomjovo wangaphakathi kwe-thecal, kwathi ukuhlaziywa koketshezi lwe-cerebrospinal (CSF) kwaqinisekisa "i-central nervous system leukemia." Lokhu kwalandelwa yizifundo ezimbili ze-chemotherapy ejwayelekile. Ngomhlaka-1 Juni, ukubhoboza i-lumbar ngokuhlaziywa kwe-CSF kwabonisa amangqamuzana angavuthiwe. Kwanikezwa ukubhoboza i-lumbar okwengeziwe ngomjovo wangaphakathi kwe-thecal, kanti ukuhlolwa kokugcina kwe-CSF akubonisanga amangqamuzana esimila.


    Ngomhlaka-7 kuJulayi, uDawei walahlekelwa umbono esweni lakhe lokunene, okwancipha kwaba ukubona okukhanyayo kuphela. Ngemva kokwelashwa ngamakhemikhali okukodwa okunamandla, umbono wakhe weso lokunene wabuyela esimweni esijwayelekile.


    Ngomhlaka-5 Agasti, umbono wakhe wesokudla waphinde waba mubi, okwaholela ekubeni yimpumputhe ngokuphelele, futhi iso lakhe lesobunxele laba lufifi. Kusukela ngomhlaka-10 kuya ku-13 Agasti, wenziwa i-radiotherapy yobuchopho bonke kanye nomgogodla (TBI), okwabuyisela umbono esweni lakhe lesobunxele, kodwa iso lesokudla lahlala lingaboni. Ngomhlaka-16 Agasti, ukuhlolwa kwe-MRI kobuchopho kwabonisa ukuthuthuka okuncane ekuqineni kwe-optic nerve kanye ne-chiasm yesokudla, kwabonakala ukuthuthukiswa. Azikho izimpawu noma ukuthuthukiswa okungavamile okutholakale ku-brain parenchyma.


    Ngalesi sikhathi, umndeni wawusulungiselele ukufakelwa umnkantsha, ulinde umbhede kuphela ewadini lokufakelwa. Ngeshwa, ukuhlolwa okuvamile kwangaphambi kokufakelwa kwembule izinkinga ezenza ukufakelwa kwesisu kube nzima.

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    Ngomhlaka-30 Agasti, kwenziwa ukubhoboza umnkantsha wethambo, kwaveza i-MRD yomnkantsha wethambo enama-T lymphocyte angakavuthwa alinganiselwa ku-61.1%. Ukubhoboza i-lumbar ngomjovo wangaphakathi kwe-thecal nakho kwenziwa, okubonisa i-CSF MRD enamaseli ayi-127 esewonke, lapho ama-T lymphocyte angakavuthwa ahlanganisa u-35.4%, okubonisa ukubuyela emuva ngokuphelele kwe-leukemia.

    Ngomhlaka-31 Agasti 2021, uDawei nomndeni wakhe bafika esikhungweni sethu se-CGT. Ukuhlolwa kwegazi okwamukelwe kukhombisile: I-WBC 132.91×10^9/L; umehluko wegazi elingaphandle (ukwakheka): 76.0% ukuqhuma. I-induction chemotherapy yanikezwa inkambo eyodwa.

    Ngemva kokubukeza ukwelashwa kukaDawei kwangaphambilini, kwacaca ukuthi i-T-ALL yakhe yayingasasebenzi kahle/iphinde yabuya futhi amangqamuzana esimila ayengene ebuchosheni, ethinta i-optic nerve. Ithimba lezokwelapha lithole ukuthi uDawei wayehlangabezana nezindinganiso zokubhalisa esivivinyweni somtholampilo se-CD7 CAR-T.

    NgoSepthemba 18, kwenziwa olunye uhlolo: umehluko wegazi elingaphandle (i-morphology) ubonise ukuqhuma okungu-11.0%. Ama-lymphocyte egazi angaphandle aqoqwa ukuze kukhuliswe amangqamuzana e-CD7 CAR-T ngosuku olufanayo, futhi inqubo yahamba kahle. Ngemva kokuqoqwa, kwanikezwa i-chemotherapy ukuze kulungiselelwe i-immunotherapy yamaseli e-CD7 CAR-T.

    Ngesikhathi sokwelashwa ngamakhemikhali, amangqamuzana esimila anda ngokushesha. Ngo-Okthoba 6, umehluko wegazi elingaphandle (i-morphology) ubonise ukuqhuma okungu-54.0%, kanti uhlelo lokwelashwa ngamakhemikhali lulungisiwe ukuze kuncishiswe umthwalo wesimila. Ngo-Okthoba 8, ukuhlaziywa kwesimo seseli lomnkantsha kubonise ukuqhuma okungu-30.50%; i-MRD ibonise ukuthi amangqamuzana angu-17.66% ayengama-T lymphocyte angakavuthwa.

    Ngomhlaka-9 Okthoba, amaseli e-CD7 CAR-T aphinde afakwa. Ngemva kokufakwa kabusha, isiguli sabhekana nomkhuhlane ophindaphindayo kanye nobuhlungu bezinsini. Naphezu kokwelashwa okuthuthukisiwe kokulwa nokutheleleka, umkhuhlane awuzange ulawulwe kahle, yize ubuhlungu bezinsini buyehla kancane kancane.

    Ngosuku lwe-11 ngemva kokufakwa kabusha kwegazi, ukuqhuma kwegazi okuseceleni kwanda kwafika ku-54%; ngosuku lwe-12, ukuhlolwa kwegazi kwabonisa ukuthi amangqamuzana amhlophe egazi akhuphuka afinyelela ku-16×10^9/L. Ngosuku lwe-14 ngemva kokufakwa kabusha kwegazi, isiguli saba ne-CRS enzima, okuhlanganisa ukulimala kwenhliziyo, ukungasebenzi kahle kwesibindi nezinso, ukuntuleka koketshezi emzimbeni, ukopha okuphansi kwamathumbu, kanye nokuquleka. Ukwelashwa okunamandla okunezimpawu nokusekelayo, kanye nokushintshana kwe-plasma, kwathuthukisa kancane kancane ukusebenza kwezitho ezithintekile, kwaqinisa izimpawu ezibalulekile zesiguli.

    Ngomhlaka-27 Okthoba, isiguli sasinamandla emisipha asezingeni eli-0 kuzo zombili izitho ezingezansi. Ngomhlaka-29 Okthoba (izinsuku ezingu-21 ngemva kokufakwa kabusha), ukuhlolwa kwe-MRD yomnkantsha kwaphenduka kwaba negative.

    Esesesimweni sokululama ngokuphelele, uDawei waqinisa ukusebenza kwezitho zakhe ezingezansi ngosizo lwabahlengikazi nomndeni, kancane kancane wabuyisa amandla emisipha afinyelela emabangeni ama-5. Ngomhlaka-22 Novemba, wadluliselwa emnyangweni wokufakelwa ukuze alungiselele ukufakelwa kweseli le-hematopoietic stem cell.

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