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First-in-Human Safety, Tolerability, and Pharmacokinetics of Single-Dose Kukoamine B Mesylate in Healthy Subjects: A Randomized, Double-Blind, Placebo-Controlled Phase I Study.


ABSTRACT:

Introduction

Kukoamine B mesylate (KB) is a mesylate chrysamine B targeting lipopolysaccharides and CpG DNA, two potential treatment targets in sepsis.

Methods

This first-in-human, randomized, double-blind, placebo-controlled, phase I study was conducted from July 2014 to May 2015 to explore the safety, tolerability, and pharmacokinetics of KB in healthy subjects. This study consisted of a pre-phase (four participants; KB at 0.005 mg/kg) and a dose escalation phase (eight participants/dose group, randomized 6:2 to KB or placebo; KB at 0.02, 0.04, 0.08, 0.12, 0.24, and 0.48 mg/kg). The primary endpoint was safety.

Results

Fifty-two participants were enrolled, including four in the pre-phase and 48 in the dose escalation phase. Among the 40 participants who received KB, 12 (30.0%) experienced adverse events (AEs), while two (16.7%) experienced AEs among 12 participants who received the placebo. The most common AEs in the KB group were headache (5.0%), influenza (5.0%) and positive white blood cell in urine (5.0%). After the administration of KB, the mean plasma elimination half was around 1.61-4.24 h. The relationship between the KB plasma exposure of KB and the administered dose was not linear. The percentage of cumulative urinary excretion of KB was similar among the different dose groups (21.7-35.2%) and the urinary excretion of KB decreased significantly about 8 h after administration.

Conclusions

Single-dose KB demonstrated favorable safety and tolerability in healthy subjects at the dose level of 0.005-0.48 mg/kg. KB exhibited a non-linear pharmacokinetic profile with a half-life of about 1.61-4.24 h, which mainly distributed in plasma.

Trial registration

ClinicalTrials.gov identifier, NCT02219971.

SUBMITTER: Liu H 

PROVIDER: S-EPMC10904689 | biostudies-literature | 2024 Feb

REPOSITORIES: biostudies-literature

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Publications

First-in-Human Safety, Tolerability, and Pharmacokinetics of Single-Dose Kukoamine B Mesylate in Healthy Subjects: A Randomized, Double-Blind, Placebo-Controlled Phase I Study.

Liu Hongzhong H   Zhao Qian Q   Yuan Yuping Y   Wang Zhenlei Z   Wang Teng T   Tian Wei W   Zhong Wen W   Jiang Ji J   Chen Shuai S   Kong Kai K   Jin Chunyan C   Hu Pei P  

Infectious diseases and therapy 20240130 2


<h4>Introduction</h4>Kukoamine B mesylate (KB) is a mesylate chrysamine B targeting lipopolysaccharides and CpG DNA, two potential treatment targets in sepsis.<h4>Methods</h4>This first-in-human, randomized, double-blind, placebo-controlled, phase I study was conducted from July 2014 to May 2015 to explore the safety, tolerability, and pharmacokinetics of KB in healthy subjects. This study consisted of a pre-phase (four participants; KB at 0.005 mg/kg) and a dose escalation phase (eight particip  ...[more]

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