保护家庭暴露于新诊断的指数多药耐药结核病患者:PHOENIx第三阶段临床试验的研究协议
Michelle A Kendall1, Michael D Hughes1, Soyeon Kim2
1Center for Biostatistics in AIDS Research, Harvard T.H. Chan School of Public Health, Boston, MA, USA.
Contemporary clinical trials
|September 24, 2025
概括
该PHOENIx试验调查德拉曼尼德作为结核病预防治疗 (TPT) 对于高风险接触者多药耐药结核病 (MDR-TB). 这项研究旨在寻找有效的替代现有治疗方法,特别是当耐药性是一种担忧时.
科学领域:
- 传染性疾病 传染性疾病
- 临床试验 临床试验
- 药物开发 药物开发
背景情况:
- 对于结核病 (TB) 预防治疗 (TPT) 在多耐药结核病 (MDR-TB) 患者的密切接触中存在有限的数据.
- 在Mycobacterium结核病 (M. tb) 中的诺耐药性需要替代的TPT策略.
- 该PHOENIx试验解决了在高风险家庭接触者 (HHCs) 中需要新的TPT选项的需求.
研究的目的:
- 评估德拉曼尼德的疗效和安全性,与TPT的异化相比,在患有肺性MDR-TB的成年人中HHCs.
- 评估在接受德拉曼胺基TPT的高发性肺结核患者中发展活跃结核病的风险降低.
- 提供数据,为MDR-TB预防提供全球指导方针.
主要方法:
- 第三阶段,开放标签,多中心临床试验,采用集群随机优势设计.
- 在96周的随访期间,在HHC中对TPT进行了26周的德拉曼尼德与异化的比较.
- 招募高风险的HHC,包括幼儿,艾滋病毒感染者或其他免疫抑制患者.
主要成果:
- 这项研究旨在检测德拉曼尼德手臂的结核病发病率减少了50%与异化手臂相比.
- 样本大小重新评估被包括在内,以考虑到设计的不确定性.
- 结果将指导德拉曼尼德用于预防MDR-TB的使用.
结论:
- 预防MDR-TB是一个关键的全球卫生优先事项.
- 德拉曼尼德为暴露于耐诺M. tb. 的个体提供了潜在的TPT替代品.
- 预计PHOENIx试验的结果将影响世界卫生组织 (WHO) 的指导方针.
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