Journal
DRUG DESIGN DEVELOPMENT AND THERAPY
Volume 14, Issue -, Pages 1837-1850Publisher
DOVE MEDICAL PRESS LTD
DOI: 10.2147/DDDT.S235646
Keywords
Shenkang injection; pharmacokinetics; metabolism profiling; UHPLC-MS/MS; UHPLC-Q-orbitrap HRMS
Categories
Funding
- Foundation of Henan Educational Committee [19A320070]
- Foundation of the First Affiliated Hospital of Zhengzhou University
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Purpose: Shenkang injection, a traditional Chinese herbal prescription, had been widely used in renal disease due to its perfect curative effect. In this research, a novel, sensitive, accurate and rapid liquid chromatography-tandem mass spectrometric method was developed to simultaneously detect the seven active ingredients in rat plasma of Shenkang injection and investigate its pharmacokinetic behaviors with metabolism profiling meanwhile. Methods: For accurate pharmacokinetic quantitation, a WATERS ACQUITY UPLC (R) BEH C18 column was used to perform a separation and acetonitrile-water (0.1% formic acid) was selected as mobile phase for gradient elution with a flow rate of 0.20 mL/min A heated electrospray ionization with selective reaction monitoring mode was used to monitor the precursor-product ion transitions for all the analytes and IS. Results: They all showed good linearity over a wide concentration range (r>0.996 3) and the lower limit of quantification (LLOQ) was 0.1-1.0 ng/mL for analytes. The validation parameters were all within the acceptable limits. Furthermore, for metabolism profiling study, metabolites of the seven ingredients were identified from the rat plasma based on the accurate mass and fragment ions. The metabolic pathways mainly focus on reduction, dehydration and conjugation. Conclusion: This study provided an overview of disposition of Shenkang injection, which is highly instructive for better understanding the effectiveness and toxicity of this drug.
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