细胞疗法

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Cell Res:我国学者首次使用现货通用型CAR-T疗法成功治疗系统性红斑狼疮
生物世界· 2025-05-12 23:57
撰文丨王聪 编辑丨王多鱼 排版丨水成文 2021 年,德国埃尔朗根-纽伦堡大学的研究人员首次使用 CAR-T 细胞疗法 成功治疗了一位 复发/难治性 系 统性红斑狼疮 (SLE) 患者,此后,世界各地启动了众多临床试验,以评估 CAR-T 细胞疗法在 B 细胞介 导的自身免疫疾病中的安全性和有效性。 同种异体 CAR-T 细胞因其均一性、可快速获取,以及潜在的成本效益而独具优势,有望成为治疗自身免疫 疾病的一种极具前景的疗法。 然而,移植物抗宿主病 (GvHD) 、同种异体排斥、基因编辑相关的潜在基 因毒性压力以及过度免疫抑制导致的感染风险,限制了当前同种异体 CAR-T 细胞产品的更广泛临床应用。 2025 年 5 月 8 日,浙江大学医学院第一附属医院 佟红艳 、 林进 及华东师范大学/邦耀生物 杜冰 、 刘明耀 等人,在 Cell Research 期刊发表了题为: Allogeneic anti-CD19 CAR-T cells induce remission in refractory systemic lupus erythematosus 的论文 【1】 。 这项研究表明,采用减低强度淋巴细胞 ...
科济药业20250512
2025-05-12 15:16
科济药业 20250512 • 科济药业 Single Plus 平台首个项目已显示积极信号,后续将分享 CD19 和 CD20 等管线数据,并重点发展实体瘤的通用型治疗,公司催化剂进入 密集爆发期。 Q&A 科济药业关于通用型 TAMDA CAR-T CT0,596 的初步临床数据有哪些亮点? 截至 2025 年 5 月 6 日,科济药业已完成 8 例至少经过三线治疗后的难治复发 多发性骨髓瘤患者的细胞输注。所采用的清淋方案为 FC 方案,包括福达拉宾 (22.5 毫克到 30 毫克每平米)和环磷酰胺(350 毫克到 500 毫克每平米)。 在最长四个月的随访过程中,患者总体耐受性良好,没有出现三级及以上的细 胞因子释放综合征、免疫效应细胞相关神经毒性、移植物抗宿主病或剂量限制 性毒性,也没有患者因不良事件退出研究。从有效性来看,5 例患者已完成首 次第四周疗效评估,其中 3 例达到严格完全缓解或完全缓解,并持续缓解过程; 80%的患者(4 例)获得骨髓微小残留病阴性(MRD 阴性)。另外两例患者在 第 14 天早期疗效评估中,可测量病灶下降幅度分别达到 92%和 65%。所有预 设剂量组均观察到 CAR- ...
Cell子刊:CAR-T细胞疗法又攻克一种自身免疫疾病
生物世界· 2025-05-06 00:00
撰文丨王聪 编辑丨王多鱼 排版丨水成文 2025 年 4 月 29 日,西班牙拉巴斯大学医院的研究人员在 Cell 子刊 Med 上发表了题为: CD19 CAR-T cell therapy in a pediatric patient with MDA5+ dermatomyositis and rapidly progressive interstitial lung disease 的案例 报道。 该研究使用 CD19 CAR-T 细胞治疗了 1 例 MDA5+ 皮肌炎合并快速进展性间质性肺病的患儿,显示出了有 效性和安全性,治疗至今 11 个月内,患者的病情逐渐好转并实现免疫抑制剂停药缓解。 在这项最新研究中,研究团队介绍了第二代 CD19 CAR-T 细胞疗法首次用于一名患有严重 MDA5+ DM- RPILD 的儿童患者的情况。 在 CAR-T 细胞注射前 34 天 (-34 天) ,常规治疗使 MDA5+ DM-RPILD 患者病情稳定。由于在 B 细胞再 生障碍的情况下 CAR-T 细胞扩增,怀疑深层组织中存在可能作为靶细胞的 CD19+ B 淋巴细胞。未出现发热 或细胞因子释放综合征/细胞 ...
Nature Cancer:山东大学姜新义/史本康团队开发原位CAR-巨噬细胞疗法,用于肾癌治疗
生物世界· 2025-04-30 00:09
撰文丨王聪 编辑丨王多鱼 排版丨水成文 嵌合抗原受体巨噬细胞 (CAR-M) 疗法在实体瘤治疗中展现出巨大潜力;然而,CAR-M 在免疫抑制性肿 瘤微环境中的表型再驯化限制了其抗肿瘤免疫能力。 2025 年 4 月 29 日,山东大学 姜新义 教授、 史本康 教授、 荆卫强 等人在 Nature 子刊 Nature Cancer 上发 表了题为: An in situ engineered chimeric IL-2 receptor potentiates the tumoricidal activity of proinflammatory CAR macrophages in renal cell carcinoma 的研究论文。 该研究开发了一种新型 原位 CAR-M 细胞疗法 ,通过原位工程化的嵌合 IL-2 受体增强 CAR-M 细胞的的肿 瘤杀伤活力,用于肾细胞癌的治疗。 论文链接 : 在这项最新研究中,研究团队报告了一种原位工程化的嵌合白介素(IL)-2 信号受体 (CSR) ,用于可控 地调节嵌合抗原受体巨噬细胞 (CAR-M) 的促炎表型,增强其持续的抗肿瘤免疫能力。 具体而言,研究团队定 ...
干细胞疗法引领日本医学变革
Ke Ji Ri Bao· 2025-04-28 23:52
Core Insights - The development of induced pluripotent stem cells (iPS cells) has led to significant advancements in regenerative medicine, particularly in Japan, where nearly one-third of the global clinical trials are being conducted [1][4] - Clinical breakthroughs in eye diseases have been achieved, with successful treatments for age-related macular degeneration using iPS cells, showing long-term survival and safety in patients [2][3] - The field of neural tissue regeneration is progressing, with promising results in treating Parkinson's disease and spinal cord injuries using donor-derived iPS cells [3][5] Group 1: iPS Cell Research and Applications - Shinya Yamanaka's discovery of reprogramming somatic cells into iPS cells has paved the way for various therapeutic applications, including retinal patches, cardiac patches, and neuron clusters [1] - Over 60 ongoing clinical trials globally focus on iPS cells, with a significant portion taking place in Japan, indicating a robust research environment [1] Group 2: Clinical Breakthroughs in Eye Diseases - The first successful use of iPS cell-derived therapy for age-related macular degeneration was reported in 2014, with cells surviving for ten years and preventing further vision loss [2] - Efforts are underway to create commercially viable therapies using mass-produced donor cells and less invasive implantation methods, with initial results showing safety and efficacy [2] Group 3: Advances in Neural Tissue Regeneration - Clinical trials using donor iPS cells for Parkinson's disease have shown significant symptom improvement in patients, with some achieving independence from conventional medications [3] - Research is expanding into stroke treatment using iPS cells, highlighting the versatility of this technology in addressing various neurological conditions [3] Group 4: Safety and Regulatory Considerations - Japan's regulatory framework allows for conditional approval of regenerative medicine products, which has raised concerns about the efficacy and safety of some approved products [4] - Despite the overall safety of iPS cell therapies, there are ongoing concerns regarding potential cancer risks associated with the cell creation process, prompting calls for rigorous pre-implantation genetic screening [5]
Marker Therapeutics (MRKR) Update / Briefing Transcript
2025-04-28 15:40
Summary of Marker Therapeutics Conference Call Company Overview - **Company**: Marker Therapeutics - **Industry**: Biotechnology, specifically focused on T cell therapies for cancer treatment Key Points and Arguments Clinical Trial Updates - **Phase II AML Trial**: Marker Therapeutics is advancing its Phase II trial for acute myeloid leukemia (AML) with its lead product candidate, MT-401, which is a multi TAA specific T cell therapy [4][5] - **Initial Results**: The safety lead-in portion of the trial showed a strong safety profile with no serious adverse events (SAEs) or neurotoxicity observed. One patient with measurable residual disease (MRD) converted to MRD negative status after treatment [5][6][25] - **Patient Demographics**: The trial plans to enroll approximately 180 patients, with a median age of 52, heavily pretreated with prior therapies [10][13] Manufacturing Process Improvements - **New Manufacturing Process**: A new T cell manufacturing process has been developed that reduces the manufacturing time to nine days, significantly improving potency and tumor-killing capabilities [7][28][33] - **Potency Increase**: The new process yields a product that is four times more potent based on antigen specificity compared to previous methods [30][33] - **Scalability**: The new process allows for pre-manufacturing of cell bank inventory, enabling faster delivery to patients within approximately 72 hours [39][40] Pipeline Expansion - **New Trials**: Marker plans to initiate three additional clinical trials over the next twelve months, including studies in pancreatic cancer and lymphoma, utilizing the new MT-601 product [43][44] - **Off-the-Shelf Products**: The company is expanding its pipeline to include off-the-shelf therapies, which will allow for broader patient access and treatment options [8][41] Safety and Efficacy - **Safety Profile**: No dose-limiting toxicities or cytokine release syndrome were noted in the safety lead-in results, consistent with previous studies [25][26] - **Efficacy in MRD Positive Patients**: The results support further investigation of MT-401 in AML patients, particularly in the MRD positive population, which currently lacks effective treatment options [25][84] Future Plans - **Clinical Goals**: The company aims to fully implement the new manufacturing process into the current AML study and complete dose escalation cohorts by Q3 2022 [45] - **IND Filings**: Plans to file Investigational New Drug (IND) applications for new studies are projected for the fourth quarter of 2022 [46] Additional Important Information - **Regulatory Considerations**: The company has worked closely with the FDA to ensure that the new manufacturing process meets regulatory standards for clinical studies and future commercialization [90] - **Patient Selection**: The company is cautious about identifying specific patient populations for therapy, emphasizing the need for further data to understand the therapy's effectiveness across different patient groups [80][82] This summary encapsulates the key points discussed during the Marker Therapeutics conference call, highlighting the company's advancements in clinical trials, manufacturing processes, and future plans in the biotechnology sector.
一周两次收购!眼科千亿龙头阔气出手
思宇MedTech· 2025-04-01 10:19
报名:首届全球眼科大会 | 议程更新 报名:首届全球心血管大会 | 奖项申报 报名:首届全球骨科大会 | 奖项评选 合作伙伴征集:2025全球手术机器人大会 近日 ,全球领先的眼科护理公司 爱尔康(Alcon) 宣布, 将以 最高 4.3亿美元 对价收购白内障 激光治疗设备公司 LENSAR(LNSR.O) 。而在几天后,爱尔康宣布 已成功收购眼部疾病细胞疗 法公司 Aurion Biotech 的多数股权 。 爱尔康对 Aurion 交易的财务条款尚未披露,爱尔康表示, Aurion 将在爱尔康的支持下作为独立公司运营 ,Aurion 董事会任命前首席科学官 Arnaud Lacoste 博士担任 Aurion 首席执行官,任命立即生效。 Aurion 的 AURN001 预计在 2025 年下半年启动美国 3 期试验,将利用爱尔康的全球资源和商业 专业知识, 进一步推动 AURN001 的开发和商业化 。 # 加码眼科机器人重塑市场 本次被收购的LENSAR,其核心技术是ALLY机器人白内障激光治疗系统。这是眼科领域第一款机器人白内障激光系统,主要用于治疗白内障和角膜散光;也 是 全球首个能够在一个无菌环 ...
BioRestorative Therapies(BRTX) - 2024 Q4 - Earnings Call Transcript
2025-03-28 00:10
BioRestorative Therapies, Inc. (NASDAQ:BRTX) Q4 2024 Earnings Conference Call March 27, 2025 4:30 PM ET Company Participants Stephen Kilmer ??? Investor Relations Lance Alstodt ??? Chairman and Chief Executive Officer Rob Kristal ??? Chief Financial Officer Francisco Silva ??? Vice President-Research and Development Conference Call Participants Michael Okunewitch ??? Maxim Group Elemer Piros ??? Rodman & Renshaw Operator Good afternoon, everyone, and welcome to the BioRestorative Therapies 2024 Results Conf ...
十万一针!有公立医院“擅自使用”!背后风险多大?
21世纪经济报道· 2025-03-19 04:57
| 作 者丨 唐唯珂 | | --- | | 编 辑丨 季媛媛 | | 图 源丨图 虫 | 近日,山东济南天桥人民医院多个科室被爆出为癌症患者提供一种名为"NKT免疫细胞"的治 疗服务, 一针治疗费超过十万元,但该细胞产品尚未获得国家药监部门的批准上市 。 山东省济南市卫生健康委官网近日发布情况通报称,经初步核查,天桥人民医院存在擅自使用 细胞治疗肿瘤的行为, 已责成天桥人民医院停止相关诊疗活动 。 2 1世纪经济报道记者拨打天桥人民医院电话,相关工作人员表示,目前医院并没有开展"NKT 免疫细胞"的相关治疗服务。 华南地区一位干细胞从业人士向2 1世纪经济报道记者透露,在"魏则西事件"发生之前,多数 三 甲 医 院 提 供 干 细 胞 及 免 疫 细 胞 治 疗 服 务 , 价 格 区 间 大 致 为 2 万 至 3 万 元 人 民 币 。 " 魏 则 西 事 件"之后, 只有少数私立医院仍在持续。但现在,实际上仍有"打干细胞针"的情况存在 。 据上述业内人士所知,有三甲医院以临床研究的方式开展这一收费项目,费用标准在 五六万 元至十几万元不等。而更多的私立 医疗 机构 也陷身 其中,赚取每 针1 5 0 ...