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在BSL2水平上对Mycobacterium tuberculosis进行贝达奎林敏感性测试的直接薄层亚格,在15天内从唾液加工获得高准确性

I Cuella-Martin^1,2, D Runyambo³, S De Bock¹

¹Unit of Mycobacteriology, Institute of Tropical Medicine, Antwerp, Belgium.

Journal of clinical microbiology

|March 3, 2025

概括

薄层亚گار (TLA) 为结核病 (TB) 的药物敏感性测试 (DST) 提供了一种更快的方法. 这种方法可以更快地从唾液样本中确定贝达基林 (BDQ) 最低抑制度 (MIC) 和直接DST,从而改善患者的护理.

科学领域:

微生物学微生物学
临床诊断临床诊断临床诊断
制药科学制药科学

背景情况:

耐药结核病 (TB) 需要及时准确的药物敏感性测试 (DST) 才能有效治疗.
贝达基林 (BDQ) 是多抗药结核病的关键药物,但快速的DST方法有限.
目前的DST方法可能耗时,延迟关键的治疗决策.

研究的目的:

评估薄层 (TLA) 作为一种快速诊断工具,用于从唾液中间接确定贝达奎林 (BDQ) 的最小抑制度 (MIC) 和直接测试药物敏感性 (DST).
评估从临床唾液样本中直接DST的Rifampicin,Isoniazid,Levofloxacin和BDQ的TLA的性能.
为了比较基于TLA的DST的速度和准确性与用于检测结核病耐药性的传统方法.

主要方法:

使用TLA的间接BDQ-MIC确定与7H11固体DST方法进行了比较.
直接TLA-DST在143个唾液样本上进行,这些样本来自耐利芬辛结核病患者.
直接TLA-DST的结果与Löwenstein-Jensen (LJ) 和MGIT方法进行了比较,用于检测Mycobacterium tuberculosis (MTB) 和药物敏感性.

主要成果:

TLA准确地确定了世卫组织推范围内的间接BDQ-MIC,并对BDQ敏感性正确地分类了大多数临床菌株.
直接的TLA-DST检测到53.8%的唾液样本中的MTB,低率的无法解释结果 (4.9%).
直接TLA-DST的结果的中位时间明显比传统方法快 (15-22天),对利芬素和异化具有很高的敏感性和特异性.

结论:

直接TLA-DST是BDQ和其他抗结核病药物的敏感性测试常规方法的可靠和更快的替代方案.
在生物安全级别2操作的TLA技术,促进了分散的药物敏感性测试,用于在资源有限的环境中管理耐药结核病.
这种方法具有显著的潜力,可以通过更快的治疗调整和药物耐药性的监测来改善患者管理.

关键词:

贝达奎林贝达奎林是一种治疗耐药结核病的方法药物敏感性测试药物敏感性测试最低抑制度的最小抑制度快速诊断快速诊断快速诊断薄层阿加尔是一种薄层阿加尔.

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