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Rajaratnam V, Islam MM, Kub EF, Rajaratnam S, Kim KB, Rahman MT, Rashid F, Benko AM, Cook JM, Arnold LA, Mirza SP. Development and validation of an LC-MS/MS method for the determination of ARN14988, an acid ceramidase inhibitor, and its application to a pharmacokinetic study in a mouse model. Biomed Chromatogr 2024; 38:e5754. [PMID: 37750452 DOI: 10.1002/bmc.5754] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2022] [Revised: 08/31/2023] [Accepted: 09/07/2023] [Indexed: 09/27/2023]
Abstract
Despite aggressive treatment approaches, the overall survival of glioblastoma (GBM) patients remained poor with a strong need for more effective chemotherapeutic agents. A previous study has shown that ARN14988 is more cytotoxic to GBM cells compared to US Food and Drug Administration-approved temozolomide. This finding makes ARN14988 a desirable candidate for further pharmacological assessment. Therefore, an efficient analytical method is needed to quantify ARN14988. Herein, we have developed and validated sample preparation and LC-MS/MS triple quadrupole (QQQ) method for quantification of ARN14988 in mouse plasma. In this method, the liquid-liquid extraction of ARN14988 from mouse plasma was performed using 5% ethyl acetate in hexane. The chromatographic separation was achieved using a C18 -column with mobile phases of 10 mm ammonium acetate (pH 5) and 0.1% formic acid in methanol, within a runtime of 10 min. The monitored transitions were m/z 391.20 → m/z 147.00 for ARN14988, and m/z 455.30 → m/z 165.00 for verapamil (internal standard) in positive electrospray ionization. The developed method for ARN14988 showed linearity over the range of 10-5,000 ng/ml (r2 > 0.99). The selectivity, sensitivity, matrix effect, recovery, stability, inter-day and intraday accuracy and precision were determined using four quality control samples. This validated method was successfully applied to the pharmacokinetic study of ARN14988 in mice.
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Affiliation(s)
- Vilashini Rajaratnam
- Department of Chemistry & Biochemistry, University of Wisconsin-, Milwaukee, WI, USA
| | | | - Ethan F Kub
- Department of Chemistry & Biochemistry, University of Wisconsin-, Milwaukee, WI, USA
| | - Shaarwin Rajaratnam
- Department of Chemistry & Biochemistry, University of Wisconsin-, Milwaukee, WI, USA
| | - Kyu Bum Kim
- Department of Chemistry & Biochemistry, University of Wisconsin-, Milwaukee, WI, USA
| | - Md Toufiqur Rahman
- Department of Chemistry & Biochemistry, University of Wisconsin-, Milwaukee, WI, USA
| | - Farjana Rashid
- Department of Chemistry & Biochemistry, University of Wisconsin-, Milwaukee, WI, USA
| | - Anna M Benko
- Department of Chemistry & Biochemistry, University of Wisconsin-, Milwaukee, WI, USA
| | - James M Cook
- Department of Chemistry & Biochemistry, University of Wisconsin-, Milwaukee, WI, USA
| | - Leggy A Arnold
- Department of Chemistry & Biochemistry, University of Wisconsin-, Milwaukee, WI, USA
| | - Shama P Mirza
- Department of Chemistry & Biochemistry, University of Wisconsin-, Milwaukee, WI, USA
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