柳叶刀|吉泊达星可能成为治疗淋病的新选择

柳叶记事本 2025-04-25 11:25:13

《柳叶刀》(The Lancet)发表的一项3期随机对照试验结果表明,目前用于治疗尿路感染的抗生素吉泊达星(Gepotidacin)可能成为一种适用于淋病的新疗法,可以抵御难治性淋病的威胁,并改善患者的治疗体验。

淋病是一种常见的性传播感染。如果不及时治疗,可能会导致严重的并发症,特别是对于女性来说,可能会导致异位妊娠和不孕的风险增加。近年来,耐药淋病病例迅速增加,治疗方案的可选择性下降。自20世纪90年代以来,淋病领域一直缺乏新的抗生素,目前迫切需要新的治疗方法。

试验包含622名患者,比较了一种潜在的针对无并发症淋病的新疗法(吉泊达星,一种口服药片)和目前的标准疗法(头孢曲松[ceftriaxone],一种注射剂;阿奇霉素[azithromycin],一种药片)。结果发现,新药吉泊达星在治疗感染方面与目前的标准疗法同样有效。重要的是,这种新药对耐药现有抗生素的淋病菌株有效。接受两种药物治疗的患者均未出现与治疗相关的严重副作用。

作者表示,新疗法可能是对抗“对标准疗法产生耐药性”的淋病菌株的重要工具。此外,不需要注射的药物治疗可能会改善患者体验并减少医疗资源的浪费。然而,作者也提醒,这项研究主要关注泌尿生殖系统淋病,并且研究组大多数参与者为白人男性,未来需要更多研究来了解新疗法对直肠和咽喉淋病以及对女性、青少年和不同种族的影响。

文章摘要

口服吉泊达星治疗无并发症的泌尿生殖系统淋病(EAGLE-1):一项3期、随机、开放标签、非劣效的多中心研究

背景

吉泊达星是一种可抑制细菌DNA复制的首创(first-in-class)三氮杂苊烯抗菌药,已被证明对无并发症的尿路感染有效且耐受性良好。本研究评估了吉泊达星治疗无并发症的泌尿生殖系统淋病的有效性和安全性。

方法

EAGLE-1(NCT04010539)是一项3期、开放标签、对赞助商设盲、多中心的非劣效性研究,评估了口服吉泊达星(两次,给药间隔10 ~ 12小时,每次3000 mg)与500mg肌肉注射头孢曲松+1g口服阿奇霉素治疗淋病的疗效。符合纳入标准的参与者为年龄≥12岁,体重>45kg,疑似患有无并发症的泌尿生殖系统淋病(包括粘液脓性分泌物),或淋病奈瑟球菌实验室检测呈阳性,或两者兼有。研究者将参与者1:1随机分配至各治疗组,并根据性别(出生时的原始泌尿生殖系统解剖结构)和性取向(男男性行为者[men who have sex with men,MSM]、男女性行为者[men who have sex with women,MSW]和女性)组合,以及年龄组(年龄<18岁、18~65岁或>65岁)进行分层。主要结局是微生物学上的成功,定义为在第4-8天治愈访视(test-of-cure)时,经培养证实泌尿生殖器部位的淋病奈瑟球菌已被根除。预设的非劣效界值为-10%。在微生物学意向治疗(Micro-ITT)人群中评估主要结局,即所有被随机分配到相应研究疗法组的参与者至少接受了一剂次对应研究疗法治疗,并从其泌尿生殖系统标本的基线培养中分离出经证实对头孢曲松敏感的淋病奈瑟球菌。安全性人群包括所有接受过一剂次或多剂次研究治疗的参与者。

结果

2019年10月21日至2023年10月10日,628名参与者被随机分配到两个治疗组(每个治疗组314人)。总体而言,628名参与者中有39人(6%)提前退出研究(吉泊达星组20人,头孢曲松+阿奇霉素组19人),主要原因是失访。Micro-ITT人群包含406名参与者(吉泊达星组202人,头孢曲松+阿奇霉素组204人)。Micro-ITT人群中大多数参与者为男性(372名男性[92%] vs 34名女性[8%]),且MSM(290人[71%])的比例高于MSW(82人[20%])。参与者主要是白人(299人[74%]),黑人或非裔美国人(61人[15%]),70人(17%)为西班牙裔或拉丁裔。对治愈访视时微生物反应的主要分析结果显示,吉泊达星组的微生物学成功率为92.6%(187/202例[95%CI:88.0-95.8]),头孢曲松+阿奇霉素组为91.2%(186/204例[86.4-94.7]),调整后的治疗差异为-0.1%[-5.6到-5.5]。吉泊达星的疗效并不劣于头孢曲松+阿奇霉素。在治愈访视时,两组均未观察到泌尿生殖系统淋病奈瑟球菌持续存在。吉泊达星组的不良事件和药物相关不良事件发生率较高,主要是胃肠道不良事件,且几乎均为轻度或中度。两组均未发生治疗相关的严重不良事件。

解释

在治疗泌尿生殖系统淋病奈瑟球菌方面,吉泊达星的疗效不劣于头孢曲松+阿奇霉素,而且没有新的安全性问题,为治疗无并发症的泌尿生殖系统淋病提供了一种新的口服治疗选择。END

Funding

GSK and federal funds from the Office of the Assistant Secretary for Preparedness and Response, Biomedical Advanced Research and Development Authority.

Declaration of interests

JDCR is employed by the Department of Sexual Health and HIV, Birmingham University Hospitals NHS Foundation Trust (Birmingham, UK), which received funding from GSK for this study; he is an advisor to GSK and has received travel funding from GSK; is Treasurer for the International Union Against Sexually Transmitted Infections (IUSTI); is a member of the European Sexually Transmitted Infections Guidelines Editorial Board; is an editor of the UK National Institute for Health Research (NIHR) Journals Library; is chair of trustees for the Sexually Transmitted Infection Research Foundation charity (STIRF); and holds financial equities in GSK and AstraZeneca. JW is an advisor to GSK and is employed by the Department of Genitourinary Medicine, Leeds Teaching Hospitals NHS Trust, UK, which received funding from GSK for this study. KAW is employed by the Department of Medicine at Emory University, Atlanta, GA, USA, which received institutional research funding from GSK for this study. SNT is employed by the Department of Medicine, Louisiana State University Health Sciences Center, New Orleans, LA, USA, which received funding by GSK for this study. DAL is an advisor to GSK; has received travel funding from GSK and WHO; holds a Conjoint Professorial position at Sydney Medical School (Westmead Campus), Faculty of Medicine and Health, University of Sydney, and is director of Western Sydney Sexual Health Centre, Syndey, NSW, Australia; is Chair of the Scientific Advisory board for the European and Developing Countries Clinical Trials Partnership (EDCTP)-funded GIFT-Africa consortium; and is a member of the Advisory Group for Great Britain National Survey of Sexual Attitudes and Lifestyles (NATSAL). SG, WF, NES-O, CJ, DL, MP, SJ, JA, and CP are employed by GSK and hold financial equities in GSK. Trademarks are the property of their respective owners (KingFisher Flex Magnetic Particle Processors [Thermo Scientific, Cleveland, OH, USA]; Nextera library construction protocol [Illumina, San Diego, CA, USA]; MiSeq Sequencer [JMI Laboratories, North Liberty, IA, USA]).

Copyright © 2025 GettyImages/Kateryna Kon/Science Photo Library

中文翻译仅供参考,所有内容以论文原文为准

https://doi.org/10.1016/S0140-6736(25)00628-2

0 阅读:0