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Ke Koʻikoʻi Lapaʻau o nā Pūhui Protein Oligoclonal Ma hope o ka BCMA CAR-T Therapy i nā maʻi Myeloma Multiple

2024-11-27

Ke hoʻomaopopo nei i nā Oligoclonal Protein Bands ma CAR-T Therapy
I loko ʻO ka Myeloma lehulehu (MM), ua ʻike ʻia ke alo o nā pūʻulu protein abnormal (APB), i ʻike ʻia hoʻi he mau pūʻulu protein oligoclonal, ma hope o ka hoʻoili ʻana o nā cell stem hematopoietic. Eia nō naʻe, ʻaʻole maopopo ko lākou alapine (frequency) a me ka pilina lapaʻau i nā poʻe maʻi e loaʻa ana i ka lāʻau lapaʻau cell CAR-T i kuhikuhi ʻia e BCMA. No ka hoʻoponopono ʻana i kēia, ua hana nā mea noiʻi mai ka Halemai ʻAi ʻElua o ke Kulanui ʻo Xi'an Jiaotong i kahi noiʻi retrospective e kālailai i ka hanana APB, nā ʻano like ʻole, a me ke koʻikoʻi prognostic i nā poʻe maʻi MM i mālama ʻia me LCAR-B38M ma ke ʻano he ʻāpana o ka hoʻokolohua Phase 1 LEGEND-2. Ua paʻi hou ʻia nā ʻike maHemaSphere, i alakaʻi ʻia e nā Polopeka He Aili, Wang Fangxia, a me Bai Ju.


Nā ʻIke Koʻikoʻi

Ua loiloi ke aʻo ʻana i 47 mau maʻi, me 23 (48.9%) e ulu ana i ka APB ma hope o ka lāʻau CAR-T. ʻO ka subtype maʻamau ʻo IgG (91.3%). ʻO ka manawa waena i ka hoʻomaka ʻana o APB he 3.6 mau mahina ma hope o ka hoʻokomo ʻana o CAR-T, a ʻo ka lōʻihi waena he 5.8 mau mahina. ʻO ka mea nui, ua pili ka hanana APB me ka hoʻonui ʻia o nā pane lapaʻau, ka lōʻihi o ke ola ʻana me ka ʻole o ka holomua (PFS), a me ka hoʻomaikaʻi ʻana i ke ola holoʻokoʻa (OS).

Ua komo pū nā ʻike hou aku:

  • Nā Hopena Lapaʻau i Hoʻonui ʻiaUa hōʻike nā maʻi me APB i nā helu pane maikaʻi aʻe i ka lāʻau lapaʻau LCAR-B38M a ua hoʻokō i nā kala ʻana koʻikoʻi.
  • Hoʻomaikaʻi ʻia ka hoʻōla ʻana o ka pale ʻanaUa hōʻike nā mea maʻi APB i nā helu hoʻōla kiʻekiʻe o nā immunoglobulins a me nā lymphocytes ma 3 a me 6 mau mahina ma hope o ka mālama ʻana, e hōʻike ana i nā pane pale humoral ikaika a me ka hoʻoponopono hou ʻana o ka pale ʻana.
  • Nā Hōʻailona WānanaUa ʻike ʻia ka hopena o ka lāʻau lapaʻau CAR-T, ka helu platelet, ke alo o APB, a me nā pae β2-microglobulin ma ke ʻano he mau kumu prognostic kūʻokoʻa no PFS. No OS, ʻo ka hopena CAR-T a me ka helu platelet nā kumu kūʻokoʻa.

ʻO ka mea hoihoi, ʻaʻole i loaʻa i ke aʻo ʻana nā ʻokoʻa koʻikoʻi i nā subpopulations T-cell a i ʻole NK-cell ma waena o nā hui APB a me nā hui non-APB, e hōʻike ana e loaʻa mua ka waiwai prognostic o APB mai ka hoʻonui ʻia ʻana o ka humoral a me ka immune recovery ma mua o nā ʻano hana immune cellular.


Hopena a me nā Manaʻo

Hōʻike ka haʻawina e pili ana ka loaʻa ʻana o APB ma hope o ka lāʻau BCMA CAR-T me nā kala ʻana hohonu a me nā hopena lapaʻau maikaʻi aʻe i nā poʻe maʻi MM relapsed/refractory. Eia kekahi, hōʻike nā ʻike i ka APB ma ke ʻano he hōʻailona kūpono o ka hoʻōla ʻana o ka pale ʻana ma hope o ka lāʻau, e wehe ana i nā ala no ka noiʻi hou aku i ka hoʻomaikaʻi ʻana i ka lāʻau CAR-T a me ka hoʻomaopopo ʻana i nā dinamika hoʻihoʻi ʻana o ka pale ʻana.

I ka hoʻomau ʻana o ka ulu ʻana o nā lāʻau lapaʻau CAR-T i hoʻopaʻa ʻia e BCMA, he mea waiwai nui ia mau ʻike i ka hoʻomaʻemaʻe ʻana i nā protocols lapaʻau a me ka hoʻomaikaʻi ʻana i nā hopena no nā maʻi MM ma ka honua holoʻokoʻa.