加环利定耳内局部制剂OTO-313治疗耳鸣,1/2期临床获得更佳阳性结果

2020-07-07 MedSci原创 MedSci原创

迄今为止,尚无FDA批准的耳鸣治疗药物。

Otonomy公司宣布OTO-313治疗中度及以上严重耳鸣患者的1/2期临床实验阳性结果。该试验共涉及31名患者,随机分配单次鼓室内注射OTO-313或安慰剂(1:1随机分配),并随访八周。患者使用耳鸣功能指数(TFI)评价耳鸣症状的严重程度,并每天报告耳鸣响度和烦恼程度。

See the source imageOTO-313是选择性的N-甲基-D-天冬氨酸(NMDA)受体拮抗剂加环利定(gacyclidine)的耳内局部注射制剂。gacyclidine可以通过减少耳蜗及其连接处受损听觉神经纤维的过度活化,来减轻耳蜗损伤后耳鸣的严重程度。gacyclidine对耳鸣的治疗潜力已在临床前模型和多项临床研究中得到证实。

该试验结果显示基于TFI分析,证明OTO-313达到其实验主要目标,并具有良好的安全性。鉴于这些结果,Otonomy打算将OTO-313推进到II期临床研究。

北卡罗来纳州皮埃蒙特耳鼻喉科的神经病学家(enneth Maxwell)说道:“耳鸣是一个普遍的问题,影响世界各地的数百万人。大多数患者都患有中度至重度耳鸣,对睡眠产生负面影响,造成痛苦和焦虑。”

“不幸的是,目前尚无FDA批准的耳鸣治疗药物。”

原始出处:

https://www.firstwordpharma.com/node/1738209?tsid=4

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    2020-09-09 ms9225920791948140

    很烦

    0

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    2020-07-09 chg122

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