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Sok V, Marzan F, Roh M, Guo K, Legac J, Mwebaza N, Dorsey G, Rosenthal PJ, Aweeka FT, Huang L. Determination of sulfadoxine and pyrimethamine in microvolume human plasma using ultra high performance liquid chromatography-tandam mass spectrometry. J Chromatogr B Analyt Technol Biomed Life Sci 2024; 1234:124030. [PMID: 38309043 DOI: 10.1016/j.jchromb.2024.124030] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2023] [Revised: 12/31/2023] [Accepted: 01/22/2024] [Indexed: 02/05/2024]
Abstract
To support the pharmacokinetic study of sulfadoxine (SD) and pyrimethamine (PM) in pregnant women and children, sensitive methods with small sample volume are desirable. Here we report a method to determine SD and PM with microvolume plasma samples: 5 µL plasma samples were cleaned up by protein precipitation with acetonitrile. The deuterated analytes were used as the internal standards. The samples after cleanup were injected onto an ACE Excel SuperC18 column (50 × 2.1 mm, 1.7 μm, Hichrom Limited) connected to a Waters I class UPLC coupled with a Sciex Triple Quad 6500+ Mass Spectrometer and eluted with water and acetonitrile both containing 0.1% formic acid in a gradient mode at 0.8mL/min. Detection utilized ESI+ as the ion source and MRM as the quantification mode. The precursor-to-product ion transitions m/z 311→245 for SD and 249→233 for PM were selected for quantification. The ion transitions for the corresponding internal standards were 315→249 for SD-d4 and 254→235 for PM-d3. The simplest linear regression weighted by 1/x was used for the calibration curves. The calibration ranges were 1-200 µg/mL SD and 2 - 1000ng/mL PM. The mean (± standard deviation) recoveries were 94.3±3.2% (SD) and 97.0±1.5% (PM). The validated method was applied to analysis of 1719 clinical samples, demonstrating the method is suitable for the pharmacokinetic study with samples collected up to day 28 post-dose.
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Affiliation(s)
- Vong Sok
- University of California, Department of Clinical Pharmacy, San Francisco, CA 94110, USA
| | - Florence Marzan
- University of California, Department of Clinical Pharmacy, San Francisco, CA 94110, USA
| | - Michelle Roh
- University of California, Institute for Global Health Sciences, San Francisco, CA 94110, USA
| | - Kevin Guo
- University of California, Department of Clinical Pharmacy, San Francisco, CA 94110, USA
| | - Jenny Legac
- Department of Medicine, University of California, San Francisco, CA 94110, USA
| | - Norah Mwebaza
- Infectious Disease Research Collaboration, Kampala, Uganda; Departments of Clinical Pharmacology and Therapeutics, Makerere University, Kampala, Uganda
| | - Grant Dorsey
- Department of Medicine, University of California, San Francisco, CA 94110, USA
| | - Philip J Rosenthal
- Department of Medicine, University of California, San Francisco, CA 94110, USA
| | - Francesca T Aweeka
- University of California, Department of Clinical Pharmacy, San Francisco, CA 94110, USA
| | - Liusheng Huang
- University of California, Department of Clinical Pharmacy, San Francisco, CA 94110, USA.
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Lu Q, Lin R, Du C, Meng Y, Yang M, Zenobi R, Hang W. Metal Probe Microextraction Coupled to Dielectric Barrier Discharge Ionization–Mass Spectrometry for Detecting Drug Residues in Organisms. Anal Chem 2020; 92:5921-5928. [DOI: 10.1021/acs.analchem.0c00004] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
Affiliation(s)
- Qiao Lu
- Department of Chemistry and the MOE Key Lab of Spectrochemical Analysis & Instrumentation, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, China
| | - Rongkun Lin
- Department of Chemistry and the MOE Key Lab of Spectrochemical Analysis & Instrumentation, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, China
| | - Chao Du
- Department of Chemistry and the MOE Key Lab of Spectrochemical Analysis & Instrumentation, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, China
| | - Yifan Meng
- Department of Chemistry and the MOE Key Lab of Spectrochemical Analysis & Instrumentation, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, China
| | - Manqing Yang
- Department of Chemistry and the MOE Key Lab of Spectrochemical Analysis & Instrumentation, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, China
| | - Renato Zenobi
- Department of Chemistry and the MOE Key Lab of Spectrochemical Analysis & Instrumentation, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, China
- ETH Zurich, Department of Chemistry and Applied Biosciences, 8093 Zurich, Switzerland
| | - Wei Hang
- Department of Chemistry and the MOE Key Lab of Spectrochemical Analysis & Instrumentation, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, China
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Gallay J, Prod'hom S, Mercier T, Bardinet C, Spaggiari D, Pothin E, Buclin T, Genton B, Decosterd LA. LC-MS/MS method for the simultaneous analysis of seven antimalarials and two active metabolites in dried blood spots for applications in field trials: Analytical and clinical validation. J Pharm Biomed Anal 2018; 154:263-277. [PMID: 29579633 DOI: 10.1016/j.jpba.2018.01.017] [Citation(s) in RCA: 25] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2017] [Revised: 01/08/2018] [Accepted: 01/09/2018] [Indexed: 02/04/2023]
Abstract
In epidemiological studies, antimalarials measurements in blood represent the best available marker of drugs exposure at population level, an important driver for the emergence of drug resistance. We have developed a liquid chromatography-tandem mass spectrometry method (LC-MS/MS) for the simultaneous quantification of 7 frequently used antimalarials (amodiaquine, chloroquine, quinine, sulfadoxine, pyrimethamine, mefloquine, lumefantrine) and 2 active metabolites (N-desethyl-amodiaquine, desbutyl-lumefantrine) in 10-μl dried blood spots (DBS). This sampling approach is suitable for field studies wherein blood samples processing, transportation and storage are problematic. Sample preparation included extraction from a 3 mm-disk punched out of the DBS with 100-μl of methanol + 1% formic acid containing deuterated internal standards for all drugs. Good performances were achieved in terms of trueness (-12.1 to +11.1%), precision (1.4-15.0%) and sensitivity, with lower limits of quantification comprised between 2 ng/ml (sulfadoxine) and 20 ng/ml (chloroquine, quinine, pyrimethamine, mefloquine, lumefantrine and desbutyl-lumefantrine). All analytes were stable in DBS kept for 24 h at room temperature and at 37 °C. The developed assay was applied within the frame of a pharmacokinetic study including 16 healthy volunteers who received a single dose of artemether-lumefantrine. Lumefantrine concentrations in plasma and in DBS were highly correlated (R = 0.97) at all time points, confirming the assumption that lumefantrine concentrations determined in DBS confidently reflect blood concentrations. The blood/plasma ratio of 0.56 obtained using the Bland-Altman approach (and corresponding to the slope of the linear regression) is in line with very low penetration of lumefantrine into red blood cells. This sensitive multiplex LC-MS/MS assay enabling the simultaneous analysis of antimalarials in DBS is suitable for epidemiological studies in field conditions.
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Affiliation(s)
- Joanna Gallay
- Department of Epidemiology and Public Health, Swiss Tropical and Public Health Institute, Basel, Switzerland; University of Basel, Basel, Switzerland; Service and Laboratory of Clinical Pharmacology, University Hospital, Lausanne, Switzerland
| | - Sylvain Prod'hom
- Service and Laboratory of Clinical Pharmacology, University Hospital, Lausanne, Switzerland
| | - Thomas Mercier
- Service and Laboratory of Clinical Pharmacology, University Hospital, Lausanne, Switzerland
| | - Carine Bardinet
- Service and Laboratory of Clinical Pharmacology, University Hospital, Lausanne, Switzerland
| | - Dany Spaggiari
- Service and Laboratory of Clinical Pharmacology, University Hospital, Lausanne, Switzerland
| | - Emilie Pothin
- Department of Epidemiology and Public Health, Swiss Tropical and Public Health Institute, Basel, Switzerland; University of Basel, Basel, Switzerland
| | - Thierry Buclin
- Service and Laboratory of Clinical Pharmacology, University Hospital, Lausanne, Switzerland
| | - Blaise Genton
- Department of Epidemiology and Public Health, Swiss Tropical and Public Health Institute, Basel, Switzerland; University of Basel, Basel, Switzerland; Division of Infectious Diseases and Department of Community Medicine, University Hospital, Lausanne, Switzerland
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Mannemala SS, Nagarajan JSK. Development and validation of a generic liquid chromatographic method for the simultaneous determination of five commonly used antimalarial drugs: Application to pharmaceutical formulations and human plasma. J Sep Sci 2015; 38:1521-8. [DOI: 10.1002/jssc.201401465] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/25/2014] [Revised: 02/03/2015] [Accepted: 02/05/2015] [Indexed: 11/12/2022]
Affiliation(s)
- Sai Sandeep Mannemala
- Department of Pharmaceutical Analysis; JSS University; Udhagamandalam; Tamil Nadu India
- Department of Pharmacy; Annamalai University; Annamalai Nagar; Tamil Nadu India
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Zaky M, El-Sayed MY, El-Megharbel SM, Taleb SA, Refat MS. Synthesis, chemical structure elucidation, and biological studies on the effect of some vital metal ions on sulfadoxine. RUSS J GEN CHEM+ 2015. [DOI: 10.1134/s1070363215010314] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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Analytical sample preparation strategies for the determination of antimalarial drugs in human whole blood, plasma and urine. J Chromatogr B Analyt Technol Biomed Life Sci 2014; 962:109-131. [DOI: 10.1016/j.jchromb.2014.02.048] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2013] [Revised: 02/25/2014] [Accepted: 02/28/2014] [Indexed: 02/06/2023]
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Pharmacokinetic properties and bioequivalence of two sulfadoxine/pyrimethamine fixed-dose combination tablets: a parallel-design study in healthy Chinese male volunteers. Clin Ther 2012; 34:2212-20. [PMID: 23084093 DOI: 10.1016/j.clinthera.2012.10.001] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2012] [Revised: 09/26/2012] [Accepted: 10/01/2012] [Indexed: 11/20/2022]
Abstract
BACKGROUND Sulfadoxine/pyrimethamine fixed-dose combination (FDC) tablet is the long-acting portion of the antimalaria product Artecospe(®), coblister containing artesunate tablets plus sulfadoxine/pyrimethamine FDC tablets. This study was conducted to support the efficacy and tolerability of the sulfadoxine/pyrimethamine FDC tablet in the World Health Organization's (WHO) Prequalification of Medicines Programme, as well as to obtain marketing authorization in China. OBJECTIVE The aim of the present study was to compare the pharmacokinetic profiles between a new generic and the branded reference formulation of sulfadoxine/pyrimethamine FDC tablets, and to assess the bioequivalence of the 2 products in healthy Chinese volunteers. METHODS This single-dose, open-label, randomized, parallel-group study was conducted in healthy Chinese male volunteers who were randomly assigned (1:1) to receive a single 1500/75-mg dose (3 × 500/25-mg tablets) of either the test or reference formulation after a 12-hour overnight fast. Seventeen blood samples were obtained over a 168-hour interval, and plasma concentrations of sulfadoxine and pyrimethamine were determined by 2 separate validated liquid chromatography-isotopic dilution mass spectrometry methods. Pharmacokinetic properties (C(max), AUC(0-72), AUC(0-168), and T(max)) were calculated and analyzed statistically. The 2 formulations were to be considered bioequivalent if 90% CIs for the log-transformed ratios of C(max) and AUC(0-72) were within the predetermined bioequivalence range of 80% to 125%, in accordance with the guidelines of WHO and China's Food and Drug Administration (FDA). Tolerability was evaluated throughout the study by vital signs, physical examinations, clinical laboratory tests, 12-lead ECGs, and subject interviews on adverse events (AEs). RESULTS Forty-six healthy subjects completed the study. The mean values of sulfadoxine C(max) (183.07 and 165.15 mg/L), AUC(0-72) (11,036.52 and 10,536.78 mg/L/h), and AUC(0-168) (22,247.05 and 21,761.02 mg/L/h) were not significantly different between the test and reference formulations, respectively. The same was true for pyrimethamine (0.55 and 0.58 mg/L, 29.85 and 31.44 mg/L/h, and 56.18 and 59.27 mg/L/h, respectively). The 90% CIs for the log-transformed ratios of C(max), AUC(0-72), and AUC(0-168) of both sulfadoxine (105.4%-116.6%, 99.3%-110.6%, and 96.4%-108.1%) and pyrimethamine (88.8%-100.9%, 89.5%-101.0%, and 88.3%-101.6%) were within the acceptance limits for bioequivalence. A total of 7 mild AEs were reported in 7 subjects (15.2%). CONCLUSIONS The findings from this single-dose (1500/75-mg) study suggest that the test and reference formulations of sulfadoxine/pyrimethamine FDC 500/25-mg tablet have similar pharmacokinetic profiles both in terms of rate and extent of absorption. The formulations met WHO's and China's FDA regulatory criteria for bioequivalence in these healthy Chinese volunteers under fasting conditions. Both formulations were generally well-tolerated.
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Capillary zone electrophoresis as a potential technique for the simultaneous determination of sulfadoxine and pyrimethamine in tablet formulations. J Pharm Biomed Anal 2012; 58:168-71. [DOI: 10.1016/j.jpba.2011.09.028] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2011] [Revised: 09/22/2011] [Accepted: 09/23/2011] [Indexed: 11/23/2022]
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Hodel E, Zanolari B, Mercier T, Biollaz J, Keiser J, Olliaro P, Genton B, Decosterd L. A single LC–tandem mass spectrometry method for the simultaneous determination of 14 antimalarial drugs and their metabolites in human plasma. J Chromatogr B Analyt Technol Biomed Life Sci 2009; 877:867-86. [DOI: 10.1016/j.jchromb.2009.02.006] [Citation(s) in RCA: 82] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2008] [Revised: 01/16/2009] [Accepted: 02/01/2009] [Indexed: 01/14/2023]
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Dua VK, Gupta N, Sethi P, Edwards G, Dash A. High-performance liquid chromatographic assay for the determination of sulfadoxine and N-acetyl sulfadoxine in plasma from patients infected with sensitive and resistant Plasmodium falciparum malaria. J Chromatogr B Analyt Technol Biomed Life Sci 2007; 860:160-5. [DOI: 10.1016/j.jchromb.2007.10.016] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2007] [Revised: 09/24/2007] [Accepted: 10/16/2007] [Indexed: 11/29/2022]
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Koesukwiwat U, Jayanta S, Leepipatpiboon N. Solid-phase extraction for multiresidue determination of sulfonamides, tetracyclines, and pyrimethamine in Bovine's milk. J Chromatogr A 2007; 1149:102-11. [PMID: 17376463 DOI: 10.1016/j.chroma.2007.02.075] [Citation(s) in RCA: 65] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2006] [Revised: 02/20/2007] [Accepted: 02/21/2007] [Indexed: 11/20/2022]
Abstract
This paper describes a systematic approach to the development of a solid-phase extraction method for simultaneous extraction of 10 antibiotic residues in bovine milk, belonging to groups of sulfonamides, tetracyclines, and pyrimethamine. The sample preparation steps include acidic deproteinization of milk proteins followed by sample enrichment and cleanup using a polymer-based Oasis HLB solid-phase extraction cartridge. The analyses were carried out by using a method based on liquid chromatography-electrospray ionisation-mass spectrometry with positive ion mode. The parameters affecting the extraction efficiency such as sample loading pH, SPE wash solvent composition, and eluting solution pH were carefully investigated and optimized. The developed solid-phase extraction procedure coupled to multiresidue liquid chromatography-electrospray ionization-mass spectrometry method was applied for the analysis of 10 antibiotic residues in milk samples, and it proved to be simple, sensitive, and selective providing a recovery ranging from 70 to 106%.
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Affiliation(s)
- Urairat Koesukwiwat
- Chromatography and Separation Research Group, Department of Chemistry, Faculty of Science, Chulalongkorn University, Bangkok 10330, Thailand
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Koesukwiwat U, Jayanta S, Leepipatpiboon N. Validation of a liquid chromatography-mass spectrometry multi-residue method for the simultaneous determination of sulfonamides, tetracyclines, and pyrimethamine in milk. J Chromatogr A 2006; 1140:147-56. [PMID: 17187807 DOI: 10.1016/j.chroma.2006.11.099] [Citation(s) in RCA: 101] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2006] [Revised: 11/09/2006] [Accepted: 11/27/2006] [Indexed: 12/18/2022]
Abstract
A multiresidue method suitable for confirmation and determination of six sulfonamides (SAs), three tetracyclines (TCs), and pyrimethamine (PYR) in cow milk was validated. Milk samples were extracted using copolymer Oasis HLB solid-phase extraction (SPE) and analyzed by liquid chromatography-electrospray mass spectrometry with positive ion mode. Estimated method detection limits (MDL) and method quantitation limits (MQL) ranged from 0.48 to 2.64 and 0.61 to 8.64ng/mL, respectively. These values are far lower than the maximum residue limits (MRLs) established by several control authorities. Excellent linear dynamic range was observed from the method quantitation limits to 300ng/mL with correlation coefficients better than 0.9900 for all compounds. The method was accurate with recoveries ranging from 72.01 to 97.39%. Good intra-precision and intermediate precision were obtained with RSD better than 11.08%. The method is fairly robust with sample pH being the only critical control point.
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Affiliation(s)
- Urairat Koesukwiwat
- Chromatography and Separation Research Group, Department of Chemistry, Faculty of Science, Chulalongkorn University, Bangkok 10330, Thailand
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Current literature in mass spectrometry. JOURNAL OF MASS SPECTROMETRY : JMS 2006; 41:128-39. [PMID: 16402416 DOI: 10.1002/jms.948] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/06/2023]
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Storme ML, Jansen FH, Goeteyn W, Van Bocxlaer JF. Simultaneous quantitative analysis of the antimalarials pyrimethamine and sulfamethoxypyrazine in plasma samples using liquid chromatography/tandem mass spectrometry. RAPID COMMUNICATIONS IN MASS SPECTROMETRY : RCM 2006; 20:2947-53. [PMID: 16952211 DOI: 10.1002/rcm.2670] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/11/2023]
Abstract
The work presented here deals with the development of a quantitative tool for the simultaneous determination of sulfamethoxypyrazine (sulfalene)/pyrimethamine in plasma. The chromatography used only takes 12.5 min, allowing a fast sample turnover time. Relative standard deviation of retention times was never above 3.48% (n = 66). Adequate sample clean-up was achieved by a simple and relatively fast liquid/liquid extraction. In this way, ionisation suppression effects, typical for more simple sample clean-up procedures, could be avoided resulting in absolute plasma effects of maximum -17.1% for sulfalene, -16.1 for the internal standard (IS), and 12% for pyrimethamine. For both pyrimethamine and sulfalene, quadratic calibration curves from 0.00101 to 0.807 microg/mL for pyrimethamine and from 0.271 to 216 microg/mL for sulfalene gave the best fit. Mean coefficients of determination (R2) were 0.9951 (n = 6, CV% 0.39) for pyrimethamine and 0.9942 (n = 6, CV% 0.13) for sulfalene. Precision was below 9.35% for pyrimethamine and 13.9% for sulfalene. Inaccuracy remained below 15% at all cases. The optimised method was used for a time-course study of the sulfalene/pyrimethamine combination concentration in plasma of patients treated with Co-Arinate, a new curative antimalaria-medicine.
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Affiliation(s)
- Michael L Storme
- Laboratory of Medical Biochemistry and Clinical Analysis, Faculty of Pharmaceutical Sciences, Ghent University, Harelbekestraat 72, B-9000 Ghent, Belgium.
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