ENGRAIL THERAPEUTICS公布ENX-101临床1b研究正面结果

2022-06-20 网络 网络

ENX-101在健康受试者中展现出良好的安全性及药代动力学特性

Engrail Therapeutics™(Engrail)(简称“公司”)是一间专注于变革型疗法的并购、研发及商业化的神经科学公司。公司宣布ENX-101亚型选择性GABA-A受体正变构调节剂 (PAM) 的临床1b试验取得正面结果,有关数据已于2022年6月6日在美国加利福尼亚州圣塔克拉拉举行的2022年癫痫研发项目会议(2022 Epilepsy Pipeline Conference)上公布。基于该等研究结果以及公司近期与美国食品及药物管理局就调整第二阶段开发项目而进行的接洽,Engrail计划启动ENACT国际多中心第二阶段临床试验,以评估ENX-101对局灶性癫痫患者的疗效及安全性。

Engrail Therapeutics首席科学官Kimberly Vanover博士表示:“williamhill asia 很高兴宣布于重复施用不同剂量的ENX-101在健康受试者中展现出极为良好的安全性和耐受性。转化生物标记数据亦清楚证明了ENX-101的靶向作用,预计会对癫痫患者及其他中枢神经系统疾病的患者带来正面的临床效益。”

持续十天每日口服一次ENX-101对健康受试者而言属安全且耐受性良好,有关生命表征、心电图、身体检查及临床实验室数值均无出现具临床意义的剂量相关变化。治疗期间出现的不良事件一般属轻微及短暂,且无接获任何严重或重度不良事件的报告。治疗期间最常见与施用ENX-101相关的不良事件为轻微短暂的嗜睡,主要出现于服药头数天。研究显示,预测ENX-101可外露的剂量半衰期约为20小时。

ENX-101在多个药效生物标记中展现活性,证实了其靶向作用。特别是,ENX-101降低了眼跳峰值速度,与中枢作用型GABA-A PAM药理一致,并提升了定量脑电图纪录的beta能量。重复施用ENX-101对警觉性、心理活动功能或持续专注力的影响极度轻微甚或零。ENX-101亦无显示类似镇静剂的作用,定量脑电图上的delta能量不增反减。此外,无证据显示重复施用ENX-101会对功能性靶向作用产生快速耐药性,或对中枢神经系统抑制作用具有耐受性。总括而言,有关研究数据与GABA介导的药效特性一致,不同于镇静催眠药及其他非选择性GABA-A PAMs。

纽约大学朗格尼健康综合癫痫中心神经病学教授Jacqueline French医生表示:“ENX-101迄今的研究数据非常令人鼓舞。癫痫这种顽疾需要更好的治疗选项,期待ENX-101将能帮助难治性癫痫患者。”

Engrail首席执行官兼总裁Vikram Sudarsan博士补充道:“除了ENX-101临床1b研究的正面结果极具鼓励性,公司未来数年更 预期取得其他多项重要成就。Engrail于2019年创立时的目标是成为首屈一指的神经科学公司。williamhill asia 的优秀团队经验丰富,已建立独特稳固的开发项目组合,旗下六个项目各具特色,其中两个亦迅速进入第二阶段研究。整个开发项目组合乃建基于严谨慎密的业务发展策略及内部药物研发工作,williamhill asia 现正全力推进所有项目的进度。”

关于ENX-101-004 1b试验
ENX-101-004是一项针对健康受试者的随机、安慰剂对照、多剂量递增试验。受试者于每日早上口服一次ENX-101或安慰剂,持续十天。五组受试者(N=9;每组接受活性药及安慰剂的比例为6:3)的ENX-101剂量分别为5、10、15、25及50毫克。研究的主要目的是评估ENX-101在重复给药后的安全性和耐受性; 次要目标包括评估ENX-101对心电图(ECG)参数、药代动力学(PK)参数及一系列药效生物标记(如眼跳、定量脑电图(qEEG)参数、视觉模拟量表及认知表现)的影响。

筛选期(第-28天至第-3天)后,符合纳入条件的健康受试者于基线期(第-2天至第-1天)入住临床研究中心。研究治疗于第1天至第10天进行,受试者在治疗停止后接受三天随访,并在第13天出院。研究于基线、第2天及第9天收集大量生物标记信息,并每日评估安全性和耐受性。

关于ENX-101
靶向γ-氨基丁酸A型(GABA-A)受体是经充分验证的药理学方法,用于治疗癫痫、焦虑、痛症及其他中枢性疾病。然而,传统非选择性GABA-A受体调节剂(如苯二氮䓬类药物)的若干缺点限制了长期使用,主要因含有GABA-A α1亚基的通道所致。ENX-101是一种研究中的精准靶向GABA-A受体正变构调节剂,可增强含有α2、α3及α5亚基的受体神经传导而阻隔α1。这项特性被认为有助带来抗癫痫疗效,兼具良好安全性,并将α1-介导的GABA能神经传递相关不良影响降至最低。每日口服一次ENX-101在临床试验中展现良好的耐受性,无须进行剂量滴定。

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    2023-05-12 spoonycyy
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    2022-08-24 feather89
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细胞因子(Cytokines)是一类可溶性分子信使,可响应抗原呈递细胞刺激,在体内激活和传递抗病免疫级联反应。在癌症免疫治疗中,外源性细胞因子可启动免疫系统激活以优化获得性抗肿瘤免疫反应。

首个奥株新冠疫苗序贯临床研究启动

这是目前全球首个人数最多、启动最早、设计全面的奥密克戎株新冠病毒灭活疫苗序贯临床。

内布拉斯加大学医学中心和阿南达宣布,FDA批准了一项治疗创伤后应激障碍(PTSD)的研究性新药的临床试验

该研究将评估一种研究性药物Nantheia™ ATL5的有效性,其成分包含采用了阿南达专有递送技术的大麻二酚。

Rhizen Pharmaceuticals AG在AACR 2022公布其差异化的PARP和DHODH抑制剂项目的数据

Rhizen的同类至优DHODH抑制剂RP7214的临床前数据显示,其单药治疗及与SOC药物联合治疗在各类急性髓系白血病模型中均有活性

JNER:机器人辅助水平对接受辅助机器人康复的中风患者上肢功能的影响,一项随机临床试验的分析

上肢偏瘫(UE)是住院中风幸存者中最常见的情况之一,影响到三分之二的人群。UE的偏瘫会导致手臂和手的功能受损,从而对中风幸存者的日常活动产生负面影响。康复治疗是提高脑卒中患者运动技能和生存质量的基础。

J Ethnopharmacol:抑肝散对抽动秽语综合征儿童青少年精神行为的影响,一项随机、双盲、对照的初步研究

进行一项随机、双盲、对照的初步研究,探讨抑肝散是否可以缓解儿童和青少年的抽动秽语综合征症状。

拓展阅读

JNNP:“仅神经胶质增生”的癫痫患者与海马硬化患者的术前和术后记忆,一项配对病例对照研究

海马硬化(HS)是抗药性内侧颞叶癫痫(mTLE)最常见的组织病理学表现,已对其临床特征、发病机制、癫痫发生和治疗结果进行了深入研究。HS的显著特征是节段性锥体细胞丢失和反应性星形胶质细胞增生,在54%

JNNP:预测新发局灶性癫痫患者神经元表面自身抗体的临床特征:免疫治疗的意义

神经元表面定向抗体(nsab)被认为是自身免疫性脑炎(AE)患者的致病性。AE通常表现为显著的癫痫发作和神经精神病症,对免疫疗法和抗癫痫药物(asm)表现出优先反应。这促使国际抗癫痫联盟(ILAE)2

中国校园内癫痫患者210万!社会歧视比疾病更痛苦

近日,由中国抗癫痫协会青年委员会与共青团北京大学委员会共同主办,赛诺菲中国支持的“关注校园内的癫痫患者”关爱项目在北京大学举行,2017年“抗癫痫、西部行”活动也正式启动。中国抗癫痫协会青年委员会主任委员、北京大学第一医院儿科主任姜玉武教授等多位专家共同倡议,全社会关爱癫痫患者,消除对癫痫群体尤其校内癫痫患者的歧视,给患癫痫的学生提供一个正常的学习环境,使其享受平等的接受教育和就业的机会。我国在校

J Neuro Sci: 对癫痫患者的研究发现了大脑如何记忆的线索

在一组研究中,美国国家卫生研究院的科学家们探索了人类大脑储存和获取记忆的方式。其中一项研究表明,大脑将每个记忆储存在不同发射模式的神经元中。另一项研究表明,大脑重放记忆比存储更快。这项研究由医学博士卡里姆·扎格鲁勒主持,他是美国国立卫生研究院国家神经疾病与中风研究所(NINDS)的神经外科研究员。耐药性癫痫患者在NIH临床中心入选本研究的手术切除癫痫发作的方案。为了帮助确定癫痫的来源,扎格洛尔博士

Neuropsychiatr Dis Treat:癫痫患者患抑郁障碍的患病率及相关危险因素

本研究的目的是评估癫痫患者的抑郁病率和发病相关危险因素,尤其是潜在的致抑郁药物的使用。 研究人员纳入了289名来自克拉科夫大学附属医院门诊符合筛选标准的癫痫患者,符合标准的患者都通过BDI量表进行筛查,筛查过程中,BDI分值在大于12分的患者需要精神科医师进一步评估。 纳入患者的平均年龄为35.7岁,患有癫痫疾病的平均时间为14.7年,其中有63名(21.8%)患者为特发性全身性癫痫,局灶性癫

2024 FDA威廉亚洲博彩公司 :癌症临床试验资格标准:清除期和伴随药物

美国食品和药品监督管理局(FDA,Food and Drug Administration) · 2024-04-25

2024 FDA威廉亚洲博彩公司 :癌症临床试验资格标准:表现状态

美国食品和药品监督管理局(FDA,Food and Drug Administration) · 2024-04-25

2024 FDA威廉亚洲博彩公司 :癌症临床试验资格标准:实验室值

美国食品和药品监督管理局(FDA,Food and Drug Administration) · 2024-04-25

FDA威廉亚洲博彩公司 :数据监测委员会在临床试验中的使用

美国食品和药品监督管理局(FDA,Food and Drug Administration) · 2024-02-13

阿达木单抗注射液生物类似药临床试验指导原则

国家药品监督管理局药品审评中心(CDE) · 2020-08-03

临床试验受试者补偿兑付平台实践专家共识

上海市精神卫生中心 · 2023-12-25