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产品价格:电议      采购度:1594      原产地:美洲
发布时间:2021/8/2 19:07:39 所属地区:上海 上海市
简要描述:
Eravacycline dihydrochloride (TP-434 dihydrochloride) 是一种有效的广谱抗菌剂。
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CAS No. : 1334714-66-7
MCE 站:Eravacycline dihydrochloride
产品活性:Eravacycline dihydrochloride (TP-434 dihydrochloride) 是一种有效的广谱抗菌剂。
研究领域:Anti-infection
作用靶点:Bacterial
In Vitro: Eravacycline is potent antibiotic against A. baumannii, including isolates that are resistant to sulbactam, SM 7338, and BAY 41-6551. Eravacycline shows greater activity than BAY 41-6551, and colistin. The eravacycline MIC50/90 values are 0.5/1 mg/L. Eravacycline shows inhibitory effects on six E. coli with MICs ranging from 0.125 to 0.25 mg/L. Eravacycline dihydrochloride is a synthetic antibiotic, with inhibits bacterial protein synthesis through binding to the 30S ribosomal subunit. Eravacycline displays broad spectrum activity against gram-negative bacteria in the panel except P. aeruginosa, as well as excellent activity against major gram-positive pathogens, including methicillin-resistant S. aureus. Eravacycline also displays potent ribosomal inhibition. Eravacycline shows potent broad-spectrum activity against 90% of the isolates (MIC90) in each panel at concentrations ranging from ≤0.008 to 2 μg/mL for all species panels except those of Pseudomonas aeruginosa and Burkholderia cenocepacia ((MIC90) values of 32 μg/mL for both organisms). Eravacycline is active against multidrug-resistant bacteria, including those expressing extended-spectrum β-lactamases and mechanisms conferring resistance to other classes of antibiotics, including carbapenem resistance.
In Vivo: Mice are treated with two-fold increasing doses (range 3.125 to 50 mg/kg) of eravacycline every 12 hours. The mean fAUC/MIC magnitude associated with net stasis and 1-log kill endpoint are 27.97 ± 8.29 and 32.60 ± 10.85, respectively. Eravacycline is active in multiple murine models of infection against clinically important Gram-positive and Gram-negative pathogens. Eravacycline is efficacious in mouse septicemia models, demonstrating 50% protective dose values of ≤1 mg/kg of body weight once a day (q.d.) against Staphylococcus aureus. The PD50 values against Escherichia coli isolates are 1.2 to 4.4 mg/kg q.d.
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更新时间:2024/1/2 10:17:29
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