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Ọgwụgwọ CAR-T maka Myasthenia Gravis (MG)
Nchịkọta
Myasthenia Gravis (MG) bụ ọrịa neuromuscular autoimmune na-adịghị ala ala nke autoantibodies (karịsịa anti-acetylcholine receptor antibodies, AchRAb) na-emebi nkwukọrịta n'etiti akwara na akwara, na-eduga na adịghị ike na-agbanwe agbanwe, ptosis, dysphagia, na n'ọnọdụ ndị siri ike nke na-eyi ndụ egwu. Maka ndị ọrịa nwere MG na-adịghị ike nke na-ada ada nke na-anaghị eme ihe mgbochi immunosuppressants nkịtị, IVIG, FcRn inhibitors, na complement inhibitors, nhọrọ ọgwụgwọ ka dị oke.
Ọgwụgwọ CD19/BCMA CAR-T nke BIOOCUS nke nwere ihe mgbaru ọsọ abụọ na-anọchite anya ọgwụgwọ sel autologous ọhụrụ nke na-ewepụ mkpụrụ ndụ B na-akpata ọrịa na mkpụrụ ndụ plasma nke na-ahụ maka mmepụta antibody, na-enye ohere maka mgbaghara miri emi na nke na-adịgide adịgide na MG siri ike ịgwọ.
Kedu ihe bụ ọgwụgwọ CAR-T maka MG?
Ọgwụgwọ CAR-T maka MG bụ ọgwụgwọ immunotherapy dị elu, nke ahaziri onwe ya nke e ji mkpụrụ ndụ T nke onye ọrịa mepụta iji gosipụta ndị na-anabata antigen chimeric (CARs) na-elekwasị anya na CD19 (na mkpụrụ ndụ B) na BCMA (na mkpụrụ ndụ plasma). Mgbe amụbachara n'ime ụlọ nyocha ahụ, a na-etinye mkpụrụ ndụ CAR-T abụọ a na-elekwasị anya n'ime onye ọrịa ahụ, ebe ha na-ebelata mkpụrụ ndụ ihe nketa autoreactive nke na-achịkwa MG, si otú a na-ebelata ọkwa AchRAb ma weghachite ọrụ neuromuscular.
Usoro a nke nwere ihe mgbaru ọsọ abụọ na-eleba anya ma akụkụ sel na humoral nke nzaghachi autoimmune, na-enye nrụpụta zuru oke nke sistemụ ahụ ji alụso ọrịa ọgụ ma e jiri ya tụnyere ọgwụgwọ otu ihe mgbaru ọsọ ma ọ bụ nke ọdịnala.
Uru Ndị Dị Mkpa nke Ọgwụgwọ CAR-T maka MG
- Mmezi mgbaàmà ngwa ngwa ma na-adịgide adịgide: Mbelata dị ukwuu na ike ọgwụgwụ akwara, ptosis, diplopia, dysarthria, na adịghị ike n'ụkwụ.
- Mbelata nke mkpụrụ ndụ B miri emi na mkpụrụ ndụ plasma: Mbelata akara na nke na-adịgide adịgide na AchRAb na mkpokọta ọnụọgụgụ B-lymphocyte.
- Emelitere akara ahụike ka mma: Uru dị ukwuu na akara Quantitative Myasthenia Gravis (QMG) na Activities of Daily Living (ADL).
- Profaịlụ nchekwa dị mma: A na-anabata ya nke ọma na enweghị ọrịa cytokine release syndrome (CRS) ma ọ bụ neurotoxicity a hụrụ n'ọnọdụ ndị a gwọrọ.
- Enwere ike iwepụ ihe mgbu ogologo oge: Na-ebelata ma ọ bụ na-ewepụ mkpa ọ dị igbochi ahụ ji alụso ọrịa ọgụ ogologo oge.
- Nhazi na nke ziri ezi: Na-eji mkpụrụ ndụ nke onye ọrịa ahụ, na-ebelata ihe egwu ịjụ.
Usoro Ọgwụgwọ
- Ọrịa leukapheresis– Nchịkọta nke mkpụrụ ndụ T nke onye ọrịa site na apheresis ọbara dị n'akụkụ.
- Injinịa Mkpụrụ Ndụ Ihe Nketa– A na-agbanwe mkpụrụ ndụ T ka ha na-egosipụta CD19 na BCMA CAR ma gbasaa ha na GMP.
- Nhazi (ọ bụrụ na achọrọ)- Mbelata lymph dị mkpirikpi iji mee ka ọrụ CAR-T dịkwuo mma.
- Ntinye CAR-T– Ngwunye CD19 CAR-T (0.5×10⁶/kg) + BCMA CAR-T (1×10⁶/kg) n'ime otu akwara.
- Nlekota na Nlekota- Nyocha mgbe niile nke mgbasawanye CAR-T, ọkwa AchRAb, ọnụọgụ mkpụrụ ndụ B, akara QMG/ADL, na ọrụ akụkụ ahụ ruo ọnwa 12+.
Gịnị mere ị ga-eji họrọ ọgwụgwọ CAR-T nke BIOOCUS maka MG?
- Ikpo okwu CD19/BCMA CAR-T nke nwere ihe mgbaru ọsọ abụọ dị elu nke e mere ka ọ dị mma maka ọrịa autoimmune.
- Ndị otu GMP klaasị ụwa na ndị ọkachamara n'ihe gbasara ọrịa kansa ọbara na ọrịa autoimmune na-adịghị mma.
- Nkwado zuru oke maka ndị ọrịa mba ụwa: nhazi asụsụ dị iche iche, mbufe ọdụ ụgbọ elu, ebe obibi, na nleba anya ogologo oge.
- E gosipụtara ihe ndekọ dị mma na CAR-T maka nsogbu autoimmune (gụnyere SLE) na nhazi ọgwụgwọ ahaziri ahazi.
- Nlekọta zuru oke site na nyocha tupu ọgwụgwọ ruo na nlekota mgbe a gbasasịrị ọgwụ ahụ.
Isi ihe dị mkpa gbasara ọmụmụ ihe gbasara onye ọrịa: Nwanyi dị afọ iri abụọ (LYN) nwere MG na-anaghị anabata ọgwụgwọ.
Ihe Ndị Ọrịa Na-eme
- A chọpụtara ya na Myasthenia Gravis na-adịghị ike (CNGIIIa, AchRAb-positive) na thymoma/thymic hyperplasia nke ụdị B3 mgbe ịwa ahụ gasịrị.
- Nsogbu ndị na-esochi ya: osteoporosis, isi femoral abụọ na necrosis nke aka ekpe proximal tibial avascular, anaemia nke enweghị iron.
- Ọgwụ ndị a dara ada n'ọtụtụ usoro ọgwụgwọ (2019–2025): steroids nwere oke dose + azathioprine → tacrolimus → cyclosporine, IVIG ugboro ugboro, efgartigimod, eculizumab + telitaccept, na rituximab (500 mg, anaghị arụ ọrụ nke ọma).
Ọgwụgwọ CAR-T
- Nọvemba 2025: Usoro CAR-T malitere; cyclosporine kwụsịtụrụ.
- Disemba 1, 2025: Nchịkọta mkpụrụ ndụ mononuclear ọbara dị n'akụkụ.
- Disemba 15, 2025: Ntinye nke CD19 CAR-T (0.5×10⁶/kg) + BCMA CAR-T (1×10⁶/kg).
- Enweghị ihe ọjọọ ọ bụla a hụrụ mgbe a mịnyechara ya.
Nsonaazụ Mgbe Ọgwụgwọ Gasịrị (dịka nke Maachị 2026)
- Mgbasawanye CAR-T: Mgbasawanye ngwa ngwa n'ime ahụ yana oke CD19 CAR-T na D10 (7.62%, 4.622×10⁷/L) na BCMA CAR-T na D10 (17.17%, 1.0414×10⁸/L); nchọpụta na-aga n'ihu ruo ọnwa nke atọ.
- Mmezi Ụlọ Nyocha:
- Mbelata dị ukwuu na ọkwa AchRAb na mkpokọta ọnụọgụgụ B-lymphocyte.
- Ọnụọgụ ọbara kwụsiri ike, ọrụ imeju na akụrụ.
- A na-enyocha ọkwa immunoglobulin (a na-atụ anya mgbanwe ndị na-adịghị adịte aka n'ihi mbelata nke mkpụrụ ndụ B).
- Akara Ọgwụ: Mmụba pụtara ìhè na akara QMG na ADL, na-egosipụta mbelata adịghị ike akwara na ọrụ kwa ụbọchị ka mma.
- Ọgwụ Mgbaàmà: Mkpebi ma ọ bụ mmụba dị ukwuu na diplopia, isi ike ihu, dysarthria, na ike ọgwụgwụ aka.
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