一项前性研究,以评估高剂量达普托的药理动力学和药理动力学在Staphylococcus spp. 传染性内心炎是一种感染性内心炎
Simona De Gregori1, Annalisa De Silvestri2, Mara Capone1
1Clinical and Experimental Pharmacokinetics Unit, Department of Diagnostic Medicine, Fondazione IRCCS Policlinico San Matteo, Pavia, Italy.
Therapeutic advances in infectious disease
|January 10, 2025
概括
较高的达普托米辛剂量 (11-12毫克/千克) 可能会改善葡萄球菌感染性内心炎患者的药理动力学/药理动力学目标,特别是在严重病例中. 这表明对严重感染和假体门的参与有潜在的益处.
科学领域:
- 药理学 药理学是指药理学的学科.
- 传染性疾病 传染性疾病
- 临床药房 临床药房
背景情况:
- 达普托米辛是治疗格拉姆阳性细菌感染的关键抗生素,特别是 * 葡萄球菌 * 种类.
- 优化达普米剂量对于有效治疗严重感染,如传染性内心炎 (IE) 至关重要.
- 当前的临床实践需要在较高剂量下对达普素的药理动力学和药理动力学 (PK/PD) 进行进一步的数据.
研究的目的:
- 为了评估不同每日达普托米辛剂量的PK/PD,在患有*Staphylococcus* spp.的患者中. 感染性内心炎 感染性内心炎.
- 为了比较较较低 (8-10毫克/公斤) 和较高 (11-12毫克/公斤) 达普素剂量组之间的PK/PD目标.
主要方法:
- 一个单一的,前性队列研究,涉及22名被诊断患有 *Staphylococcus* spp. 的患者. 感染性内心炎 感染性内心炎.
- 在PK评估之前,患者至少连续五天内静脉注射达普托米辛30分钟以上.
- 达普托米辛每日剂量被分为两组:A组 (8-10毫克/公斤) 和B组 (11-12毫克/公斤).
主要成果:
- 所有患者都取得了微生物学反应,到第5天血液培养为阴性.
- 曲线下的中间面积 (AUC0-24) 在B组 (1459 μg*h/mL) 比A组 (1298 μg*h/mL) 高.
- 虽然所有患者都超过了AUC/MIC比率>666,但A组的73.3%和B组的92.9%的患者达到了AUC/MIC>1061.0的PK/PD目标.
结论:
- 与较低剂量相比,较高的达普托米辛剂量 (11-12 mg/kg) 证明了对PK/PD目标的改善.
- 11-12毫克/千克的每日剂量可以考虑严重的感染高细菌注射剂或假内心炎.
- 在复杂的IE病例中,需要对PK/PD标进行进一步的研究,以优化达普米辛治疗.
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