A novel method for quantification of sulfolane (a metabolite of busulfan) in plasma by gas chromatography-tandem mass spectrometry

Versace, François; Uppugunduri Satyanarayana, Chakradhara Rao; Krajinovic, Maja; Théorêt, Yves; Gumy Pause, Fabienne; Mangin, Patrice; Staub, Christian; Ansari Djaberi, Marc Georges

doi:10.1007/s00216-012-6330-y

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Title		A novel method for quantification of sulfolane (a metabolite of busulfan) in plasma by gas chromatography-tandem mass spectrometry
Authors		Versace, François Uppugunduri Satyanarayana, Chakradhara Rao Krajinovic, Maja Théorêt, Yves Gumy Pause, Fabienne Mangin, Patrice Staub, Christian Ansari Djaberi, Marc Georges
Published in		Analytical and Bioanalytical Chemistry. 2012, vol. 404, no. 6-7, p. 1831-8
Collection		Open Access - Licence nationale Springer
Abstract		The role of busulfan (Bu) metabolites in the adverse events seen during hematopoietic stem cell transplantation and in drug interactions is not explored. Lack of availability of established analytical methods limits our understanding in this area. The present work describes a novel gas chromatography-tandem mass spectrometric assay for the analysis of sulfolane (Su) in plasma of patients receiving high-dose Bu. Su and Bu were extracted from a single 100 μL plasma sample by liquid-liquid extraction. Bu was separately derivatized with 2,3,5,6-tetrafluorothiophenolfluorinated agent. Mass spectrometric detection of the analytes was performed in the selected reaction monitoring mode on a triple quadrupole instrument after electronic impact ionization. Bu and Su were analyzed with separate chromatographic programs, lasting 5 min each. The assay for Su was found to be linear in the concentration range of 20-400 ng/mL. The method has satisfactory sensitivity (lower limit of quantification, 20 ng/mL) and precision (relative standard deviation less than 15 %) for all the concentrations tested with a good trueness (100 ± 5 %). This method was applied to measure Su from pediatric patients with samples collected 4 h after dose 1 (n = 46), before dose 7 (n = 56), and after dose 9 (n = 54) infusions of Bu. Su (mean ± SD) was detectable in plasma of patients 4 h after dose 1, and higher levels were observed after dose 9 (249.9 ± 123.4 ng/mL). This method may be used in clinical studies investigating the role of Su on adverse events and drug interactions associated with Bu therapy.
Keywords		Busulfan/blood/metabolism — Child — Child, Preschool — Female — Gas Chromatography-Mass Spectrometry/methods — Humans — Immunosuppressive Agents/blood/metabolism — Male — Tandem Mass Spectrometry/methods — Thiophenes/blood/metabolism
Identifiers		DOI: 10.1007/s00216-012-6330-y PMID: 22918536
Full text		Article (Published version) (315 Kb) - Free access
Structures		Faculté de médecine / Section de médecine clinique / Département de pédiatrie, gynécologie et obstétrique Faculté de médecine / Section de médecine clinique / Département de santé et médecine communautaires / Institut de médecine légale
Research groups		Groupe Ozsahin Ayse Hulya (onco-hémato pédiatrie) (889) Plateforme d'oncologie et d'hématologie pédiatrique (907)
Citation (ISO format)		VERSACE, François et al. A novel method for quantification of sulfolane (a metabolite of busulfan) in plasma by gas chromatography-tandem mass spectrometry. In: Analytical and Bioanalytical Chemistry, 2012, vol. 404, n° 6-7, p. 1831-8. doi: 10.1007/s00216-012-6330-y https://archive-ouverte.unige.ch/unige:31677

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A novel method for quantification of sulfolane (a metabolite of busulfan) in plasma by gas chromatography-tandem mass spectrometry