Quantification of rifampicin in human plasma and cerebrospinal fluid by a highly sensitive and rapid liquid chromatographic-tandem mass spectrometric method.

Srivastava, Abhishek, Waterhouse, David, Ardrey, Alison and Ward, Stephen ORCID: https://orcid.org/0000-0003-2331-3192 (2012) 'Quantification of rifampicin in human plasma and cerebrospinal fluid by a highly sensitive and rapid liquid chromatographic-tandem mass spectrometric method.'. Journal of pharmaceutical and biomedical analysis, Vol 70, pp. 523-8.

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Abstract

A highly sensitive and rapid liquid chromatography tandem mass spectrometry (LC-MS/MS) method has been developed to measure the levels of the antitubercular drug rifampicin (RIF) in human plasma and cerebrospinal fluid (CSF). The analyte and internal standard (IS) were isolated from plasma and CSF by a simple organic solvent based precipitation of proteins followed by centrifugation. Detection was carried out by electrospray positive ionization mass spectrometry in the multiple-reaction monitoring (MRM) mode. The assay was linear in the concentration range 25-6400 ng/mL with intra- and inter-day precision of <7% and <8%, respectively. The validated method was applied to the study of RIF pharmacokinetics in human CSF and plasma over 25 h period after a 10 mg/kg oral dose.

Item Type:	Article
Uncontrolled Keywords:	Rifampicin; LC–MS/MS; Human plasma; Cerebrospinal fluid; Validation; Quantitative assay
Subjects:	QV Pharmacology > Anti-Inflammatory Agents. Anti-Infective Agents. Antineoplastic Agents > QV 268 Antitubercular agents. Antitubercular antibiotics QV Pharmacology > QV 38 Drug action. QV Pharmacology > Drug Standardization. Pharmacognosy. Medicinal Plants > QV 771 Standardization and evaluation of drugs WF Respiratory System > Tuberculosis > WF 360 Drug therapy WH Hemic and Lymphatic Systems > Hematologic Diseases. Immunologic Factors. Blood Banks > WH 400 Fluid elements. Plasma. Serum. Blood proteins. Blood protein disorders
Faculty: Department:	Groups (2002 - 2012) > Molecular & Biochemical Parasitology Group
Digital Object Identifer (DOI):	https://doi.org/10.1016/j.jpba.2012.05.028
Depositing User:	Mary Creegan
Date Deposited:	12 Feb 2013 09:58
Last Modified:	06 Feb 2018 13:06
URI:	https://archive.lstmed.ac.uk/id/eprint/3298

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