Clin Infect Dis:利奈唑胺治疗多药耐药结核病的更佳每日剂量?

2019-01-14 王淳 环球医学

2018年11月,荷兰和美国学者发表在《Clin Infect Dis》的旨在制定或修订目前结核病(TB)治疗推荐剂量的系统评价,探讨了基于利奈唑胺的方案治疗多药耐药结核病的最佳每日剂量和给药频率。

2018年11月,荷兰和美国学者发表在《Clin Infect Dis》的旨在制定或修订目前结核病(TB)治疗推荐剂量的系统评价,探讨了基于利奈唑胺的方案治疗多药耐药结核病的最佳每日剂量和给药频率。

利奈唑胺已经成功用于多药耐药结核病(MDR-TB)的治疗。然而,剂量和时间相关的毒性限制了其使用。研究者旨在检索相关的药物代谢动力学(PK)/药效学(PD)文献,从而鉴别出有效的PK/PD指数,并定义MDR-TB方案中最佳的每日剂量和给药频率。

本系统评价检索出8项满足入组标准的研究。PK具有显着的差异。利奈唑胺的有效性受到浓度-时间曲线下面积(AUC)/最小抑制浓度(MIC)的影响。对于首选的600mg的每日剂量,文献不具结论性。为了预防耐药性的发生,在相关暴露情况存在合并用药时,需要AUC/MIC的比值为100。每日剂量600mg对于平衡有效性和毒性来说似乎是合适的。作为一种治疗窗口非常窄的药物,利奈唑胺治疗可能从个体化的方法中获益,即测量实际MIC值和治疗药物监测。

原始出处:

Bolhuis MS, Akkerman OW, Sturkenboom MGG, et al. Linezolid-based Regimens for Multidrug-resistant Tuberculosis (TB): A Systematic Review to Establish or Revise the Current Recommended Dose for TB Treatment. Clin Infect Dis. 2018 Nov 28;67(suppl_3):S327-S335. doi: 10.1093/cid/ciy625.

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