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Fisichella M, Odoardi S, Strano-Rossi S. High-throughput dispersive liquid/liquid microextraction (DLLME) method for the rapid determination of drugs of abuse, benzodiazepines and other psychotropic medications in blood samples by liquid chromatography–tandem mass spectrometry (LC-MS/MS) and application to forensic cases. Microchem J 2015. [DOI: 10.1016/j.microc.2015.05.009] [Citation(s) in RCA: 75] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Ramesh T, Rao PN, Rao RN. LC–MS/MS method for the determination of rosiglitazone on rat dried blood spots and rat urine: Application to pharmacokinetics. J Pharm Biomed Anal 2015; 111:36-43. [DOI: 10.1016/j.jpba.2015.03.012] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2015] [Revised: 03/07/2015] [Accepted: 03/11/2015] [Indexed: 11/30/2022]
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Gonzalez D, Melloni C, Poindexter BB, Yogev R, Atz AM, Sullivan JE, Mendley SR, Delmore P, Delinsky A, Zimmerman K, Lewandowski A, Harper B, Lewis KC, Benjamin DK, Cohen-Wolkowiez M. Simultaneous determination of trimethoprim and sulfamethoxazole in dried plasma and urine spots. Bioanalysis 2015; 7:1137-49. [PMID: 26039810 PMCID: PMC4455038 DOI: 10.4155/bio.15.38] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023] Open
Abstract
BACKGROUND Trimethoprim-sulfamethoxazole (TMP-SMX) is an antimicrobial drug combination commonly prescribed in children and adults. The study objectives were to validate and apply an HPLC-MS/MS method to quantify TMP-SMX in dried plasma spots (DPS) and dried urine spots (DUS), and perform a comparability analysis with liquid matrices. RESULTS For TMP the validated range was 100-50,000 ng/ml for DPS and 500-250,000 ng/ml for DUS; for SMX, the validated range was 1000-500,000 ng/ml for both DPS and DUS. Good agreement was noted between DPS/DUS and liquid plasma and urine samples for TMP, while only modest agreement was observed for SMX in both matrices. CONCLUSION A precise, accurate and reproducible method was developed to quantify TMP-SMX in DPS and DUS samples.
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Affiliation(s)
- Daniel Gonzalez
- Division of Pharmacotherapy & Experimental Therapeutics, UNC Eshelman School of Pharmacy, University of North Carolina, Chapel Hill, NC, USA
| | - Chiara Melloni
- Duke Clinical Research Institute, Duke University Medical Center, Durham, NC, USA
| | - Brenda B Poindexter
- Department of Pediatrics, Riley Hospital for Children, Indiana University, Indianapolis, IN, USA
| | - Ram Yogev
- Ann & Robert H Lurie Children's Hospital of Chicago, Feinberg School of Medicine, Northwestern University, Chicago, IL, USA
| | - Andrew M Atz
- Department of Pediatrics, Medical University of South Carolina, Charleston, SC, USA
| | - Janice E Sullivan
- Kosair Charities Pediatric Clinical Research Unit, Department of Pediatrics, University of Louisville, Kosair Children's Hospital, Louisville, KY, USA
| | - Susan R Mendley
- Department of Pediatrics, University of Maryland School of Medicine, Baltimore, MD, USA
| | - Paula Delmore
- Department of Neonatology, Wesley Medical Center, Wichita, KS, USA
| | - Amy Delinsky
- OpAns, LLC, 4134 S Alston Ave # 101, Durham, NC 27713, USA
| | - Kanecia Zimmerman
- Duke Clinical Research Institute, Duke University Medical Center, Durham, NC, USA
| | | | - Barrie Harper
- Duke Clinical Research Institute, Duke University Medical Center, Durham, NC, USA
| | | | - Daniel K Benjamin
- Duke Clinical Research Institute, Duke University Medical Center, Durham, NC, USA
- Department of Pediatrics, Duke University Medical Center, Durham, NC, USA
| | - Michael Cohen-Wolkowiez
- Duke Clinical Research Institute, Duke University Medical Center, Durham, NC, USA
- Department of Pediatrics, Duke University Medical Center, Durham, NC, USA
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