当前位置： SCI文献检索 > CLINICAL THERAPEUTICS期刊下所有文献 > Short-term Safety, Tolerability, and Pharmacokinetics of MRX-I, an Oxazolidinone Antibacterial Agent, in Healthy Chinese Subjects.

Short-term Safety, Tolerability, and Pharmacokinetics of MRX-I, an Oxazolidinone Antibacterial Agent, in Healthy Chinese Subjects.

Abstract：

PURPOSE:This study was designed to evaluate the safety and pharmacokinetic profiles of MRX-I tablet, an oxazolidinone antibacterial agent, in healthy Chinese subjects. METHODS:The study was composed of 3 sequential periods. Period 1 was a randomized, double-blind, placebo-controlled, sequential ascending dose (50 to 1800 mg) study. Period 2 included one arm as a randomized, open-label, 3-period, 3 × 3 Latin square single-dose study of 300, 600, and 900 mg MRX-I administration and another arm as a crossover study to evaluate high-fat diet effect. Period 3 was a randomized, double-blind, placebo-controlled multiple-dose study with 600 or 800 mg, q12h regimens over 15 days. FINDINGS:MRX-I was rapidly absorbed and reached peak plasma concentration at about 2 hours post dose. The Cmax was 8.07, 12.24, and 15.25 mg/L and the corresponding AUC0-∞ 29.21, 48.27, and 59.60 mg/h/L, in 300-, 600-, and 900-mg dosing groups, respectively. High-fat diet increased the exposure of MRX-I. No discernable drug accumulation was observed after 15 days of continuous drug administration. About 2% of MRX-I was excreted via kidneys in unchanged form. No obvious hematologic toxicity by MRX-I was observed during the entire study. Based on Monte Carlo simulation, 600 or 800 mg BID can produce satisfactory efficacy against methicillin-resistant Staphylococcus aureus. IMPLICATIONS:MRX-I was well tolerated in healthy Chinese subjects (50-1800 mg). No serious or severe adverse effects were observed. MRX-I 600 or 800 mg BID up to 15 days can be recommended in future clinical trials. Chinese Clinical Trial Registration (http://www.chinadrugtrials.org.cn) identifier: CTR20131214.

journal_name

Clin Ther

journal_title

Clinical therapeutics

authors

Wu X,Li Y,Zhang J,Zhang Y,Yu J,Cao G,Chen Y,Guo B,Shi Y,Huang J,Cao Y,Liu X,Wu J,Gordeev MF,Yuan H,Wang W

doi

10.1016/j.clinthera.2017.12.017

subject

Has Abstract

pub_date

2018-02-01 00:00:00

pages

322-332.e5

issue

2

eissn

0149-2918

issn

1879-114X

pii

S0149-2918(18)30002-X

journal_volume

40

pub_type

杂志文章,随机对照试验

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