Development and validation of LC-MS/MS method for tomivosertib quantification in plasma: insights into pharmacokinetics and metabolic stability

Abstract A rapid, selective, and sensitive liquid chromatography-tandem mass spectrometry (LC–MS/MS) assay was developed and validated for quantifying tomivosertib (eFT508) in plasma from preclinical animals (rat and mouse). Tomivosertib was quantified using LC–MS/MS assay involving simple protein p...

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Main Authors: Mamata Panthi, Romit Kumar Subba, Ji-Hoon Oh, Dang-Khoa Vo, Kwang-Hoon Chun, Han-Joo Maeng
Format: Article
Language:English
Published: SpringerOpen 2025-07-01
Series:Journal of Analytical Science and Technology
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Online Access:https://doi.org/10.1186/s40543-025-00500-5
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author Mamata Panthi
Romit Kumar Subba
Ji-Hoon Oh
Dang-Khoa Vo
Kwang-Hoon Chun
Han-Joo Maeng
author_facet Mamata Panthi
Romit Kumar Subba
Ji-Hoon Oh
Dang-Khoa Vo
Kwang-Hoon Chun
Han-Joo Maeng
author_sort Mamata Panthi
collection DOAJ
description Abstract A rapid, selective, and sensitive liquid chromatography-tandem mass spectrometry (LC–MS/MS) assay was developed and validated for quantifying tomivosertib (eFT508) in plasma from preclinical animals (rat and mouse). Tomivosertib was quantified using LC–MS/MS assay involving simple protein precipitation, followed by chromatographic separation on a Synergi Polar-RP 80 Å column. Gradient elution was performed using 0.1% formic acid in distilled water and acetonitrile at a 0.3 mL/min flow rate. Multiple reaction monitoring (MRM) transitions were set at m/z 341.2 → 216.0 for tomivosertib and m/z 249.0 → 233.0 for the internal standard (IS), pyrimethamine, in positive ionization mode. Linearity (1–2000 ng/mL), accuracy, precision, carryover, matrix effects, recovery, extraction efficiency, and stability evaluated the performance of the developed method. Systemic and oral pharmacokinetics were evaluated in mice. The assay demonstrated adequate linearity, accuracy, precision, and no significant matrix effects, with consistent recovery and extraction efficiency. Tomivosertib was stable in the plasma and hepatic microsomal fractions of the studied species. Pharmacokinetic analysis in mice revealed moderate clearance (CL = 50.29 mL/min/kg), large volume distribution (Vss = 6506 mL/kg), and bioavailability ranging from 55.66–82.50%, with a greater than dose-proportional increase in exposure at a dose of 10 mg/kg. The findings of this study demonstrate that the developed method could be valuable for future research and development of tomivosertib.
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spelling doaj-art-a2d408d9882a4d658653859d05f8cf522025-08-20T03:05:03ZengSpringerOpenJournal of Analytical Science and Technology2093-33712025-07-0116111210.1186/s40543-025-00500-5Development and validation of LC-MS/MS method for tomivosertib quantification in plasma: insights into pharmacokinetics and metabolic stabilityMamata Panthi0Romit Kumar Subba1Ji-Hoon Oh2Dang-Khoa Vo3Kwang-Hoon Chun4Han-Joo Maeng5College of Pharmacy, Gachon UniversityCollege of Pharmacy, Gachon UniversityCollege of Pharmacy, Gachon UniversityCollege of Pharmacy, Gachon UniversityCollege of Pharmacy, Gachon UniversityCollege of Pharmacy, Gachon UniversityAbstract A rapid, selective, and sensitive liquid chromatography-tandem mass spectrometry (LC–MS/MS) assay was developed and validated for quantifying tomivosertib (eFT508) in plasma from preclinical animals (rat and mouse). Tomivosertib was quantified using LC–MS/MS assay involving simple protein precipitation, followed by chromatographic separation on a Synergi Polar-RP 80 Å column. Gradient elution was performed using 0.1% formic acid in distilled water and acetonitrile at a 0.3 mL/min flow rate. Multiple reaction monitoring (MRM) transitions were set at m/z 341.2 → 216.0 for tomivosertib and m/z 249.0 → 233.0 for the internal standard (IS), pyrimethamine, in positive ionization mode. Linearity (1–2000 ng/mL), accuracy, precision, carryover, matrix effects, recovery, extraction efficiency, and stability evaluated the performance of the developed method. Systemic and oral pharmacokinetics were evaluated in mice. The assay demonstrated adequate linearity, accuracy, precision, and no significant matrix effects, with consistent recovery and extraction efficiency. Tomivosertib was stable in the plasma and hepatic microsomal fractions of the studied species. Pharmacokinetic analysis in mice revealed moderate clearance (CL = 50.29 mL/min/kg), large volume distribution (Vss = 6506 mL/kg), and bioavailability ranging from 55.66–82.50%, with a greater than dose-proportional increase in exposure at a dose of 10 mg/kg. The findings of this study demonstrate that the developed method could be valuable for future research and development of tomivosertib.https://doi.org/10.1186/s40543-025-00500-5LC–MS/MSValidationPharmacokineticPlasmaTomivosertib
spellingShingle Mamata Panthi
Romit Kumar Subba
Ji-Hoon Oh
Dang-Khoa Vo
Kwang-Hoon Chun
Han-Joo Maeng
Development and validation of LC-MS/MS method for tomivosertib quantification in plasma: insights into pharmacokinetics and metabolic stability
Journal of Analytical Science and Technology
LC–MS/MS
Validation
Pharmacokinetic
Plasma
Tomivosertib
title Development and validation of LC-MS/MS method for tomivosertib quantification in plasma: insights into pharmacokinetics and metabolic stability
title_full Development and validation of LC-MS/MS method for tomivosertib quantification in plasma: insights into pharmacokinetics and metabolic stability
title_fullStr Development and validation of LC-MS/MS method for tomivosertib quantification in plasma: insights into pharmacokinetics and metabolic stability
title_full_unstemmed Development and validation of LC-MS/MS method for tomivosertib quantification in plasma: insights into pharmacokinetics and metabolic stability
title_short Development and validation of LC-MS/MS method for tomivosertib quantification in plasma: insights into pharmacokinetics and metabolic stability
title_sort development and validation of lc ms ms method for tomivosertib quantification in plasma insights into pharmacokinetics and metabolic stability
topic LC–MS/MS
Validation
Pharmacokinetic
Plasma
Tomivosertib
url https://doi.org/10.1186/s40543-025-00500-5
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