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Vieira PA, Shin CB, Arroyo-Currás N, Ortega G, Li W, Keller AA, Plaxco KW, Kippin TE. Ultra-High-Precision, in-vivo Pharmacokinetic Measurements Highlight the Need for and a Route Toward More Highly Personalized Medicine. Front Mol Biosci 2019; 6:69. [PMID: 31475156 PMCID: PMC6707041 DOI: 10.3389/fmolb.2019.00069] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2019] [Accepted: 07/25/2019] [Indexed: 12/24/2022] Open
Abstract
Clinical drug dosing would, ideally, be informed by high-precision, patient-specific data on drug metabolism. The direct determination of patient-specific drug pharmacokinetics ("peaks and troughs"), however, currently relies on cumbersome, laboratory-based approaches that require hours to days to return pharmacokinetic estimates based on only one or two plasma drug measurements. In response clinicians often base dosing on age, body mass, pharmacogenetic markers, or other indirect estimators of pharmacokinetics despite the relatively low accuracy of these approaches. Here, in contrast, we explore the use of indwelling electrochemical aptamer-based (E-AB) sensors as a means of measuring pharmacokinetics rapidly and with high precision using a rat animal model. Specifically, measuring the disposition kinetics of the drug tobramycin in Sprague-Dawley rats we demonstrate the seconds resolved, real-time measurement of plasma drug levels accompanied by measurement validation via HPLC-MS on ex vivo samples. The resultant data illustrate the significant pharmacokinetic variability of this drug even when dosing is adjusted using body weight or body surface area, two widely used pharmacokinetic predictors for this important class of antibiotics, highlighting the need for improved methods of determining its pharmacokinetics.
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Affiliation(s)
- Philip A. Vieira
- Department of Psychology, California State University, Dominguez Hills, Carson, CA, United States
- Institute for Collaborative Biotechnologies, University of California, Santa Barbara, Santa Barbara, CA, United States
| | - Christina B. Shin
- Department of Psychological & Brain Sciences, University of California, Santa Barbara, Santa Barbara, CA, United States
| | - Netzahualcóyotl Arroyo-Currás
- Department of Pharmacology and Molecular Sciences, Johns Hopkins University School of Medicine, Baltimore, MD, United States
| | - Gabriel Ortega
- Department of Chemistry and Biochemistry, University of California, Santa Barbara, Santa Barbara, CA, United States
- Center for Bioengineering, University of California, Santa Barbara, Santa Barbara, CA, United States
| | - Weiwei Li
- Bren School of Environmental Science & Management, University of California, Santa Barbara, Santa Barbara, CA, United States
| | - Arturo A. Keller
- Bren School of Environmental Science & Management, University of California, Santa Barbara, Santa Barbara, CA, United States
| | - Kevin W. Plaxco
- Institute for Collaborative Biotechnologies, University of California, Santa Barbara, Santa Barbara, CA, United States
- Department of Chemistry and Biochemistry, University of California, Santa Barbara, Santa Barbara, CA, United States
- Center for Bioengineering, University of California, Santa Barbara, Santa Barbara, CA, United States
- Interdepartmental Program in Biomolecular Science and Engineering, University of California, Santa Barbara, Santa Barbara, CA, United States
| | - Tod E. Kippin
- Institute for Collaborative Biotechnologies, University of California, Santa Barbara, Santa Barbara, CA, United States
- Department of Psychological & Brain Sciences, University of California, Santa Barbara, Santa Barbara, CA, United States
- Neuroscience Research Institute, University of California, Santa Barbara, Santa Barbara, CA, United States
- Department of Molecular Cellular and Developmental Biology, University of California, Santa Barbara, Santa Barbara, CA, United States
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Abstract
Exercise frequently is prescribed therapeutically, either on its own or combined with drugs. A drug's absorption, distribution, metabolism, and excretion can be affected by the user's anatomy and physiology, which are both changed by the myriad of complex adaptations to acute and chronic exercise. This article reviews the research that suggests exercise may influence a drug's plasma concentration, and thus its efficacy and safety.
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Affiliation(s)
- Mackenzie McLaughlin
- Faculty of Kinesiology & Physical Education, University of Toronto, Toronto, Ontario, Canada
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Paineiras-Domingos LL, Sá-Caputo DDCD, Moreira-Marconi E, Morel DS, da Fontoura Dionello C, Sousa-Gonçalves CR, Frederico ÉHFF, Marín PJ, Tamini S, Sartorio A, Bernardo-Filho M. Can whole body vibration exercises affect growth hormone concentration? A systematic review. Growth Factors 2017; 35:189-200. [PMID: 29228887 DOI: 10.1080/08977194.2017.1401619] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Abstract
Whole body vibration (WBV) has been recognized as an effective alternative exercise modality to resistance exercise for its ability in enhancing force and power, generating capacity in skeletal muscle, increasing bone mass and improving cardiovascular function. Since the effect of WBV exercises on growth hormone (GH) levels has been never compared and discussed, the aim of this study was to review systematically the literature to verify the WBV effects on GH concentration. By using PubMed, Scopus and PEDRo databases with the keywords 'growth hormone' or GH and 'whole body vibration' or WBV, we found and analysed 12 papers (182 subjects recruited), verifying their level of evidence (National Health and Medical Research Council hierarchy of evidence) and the methodological quality (PEDRo scale). Although WBV induced GH responses in nine out of 12 publications, caution should be however taken when considering the results due to the markedly different methodologies among these publications.
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Affiliation(s)
- Laisa Liane Paineiras-Domingos
- a Programa de Pós-graduação em Ciências Médicas , Faculdade de Ciências Médicas Universidade do Estado do Rio de Janeiro , Rio de Janeiro , Brazil
- b Departamento de Biofísica e Biometria , Laboratório de Vibrações Mecânicas e Práticas Integrativas e Complementares, Instituto de Biologia Roberto Alcântara Gomes, Universidade do Estado do Rio de Janeiro , Rio de Janeiro , Brazil
| | - Danúbia da Cunha de Sá-Caputo
- a Programa de Pós-graduação em Ciências Médicas , Faculdade de Ciências Médicas Universidade do Estado do Rio de Janeiro , Rio de Janeiro , Brazil
- b Departamento de Biofísica e Biometria , Laboratório de Vibrações Mecânicas e Práticas Integrativas e Complementares, Instituto de Biologia Roberto Alcântara Gomes, Universidade do Estado do Rio de Janeiro , Rio de Janeiro , Brazil
| | - Eloá Moreira-Marconi
- b Departamento de Biofísica e Biometria , Laboratório de Vibrações Mecânicas e Práticas Integrativas e Complementares, Instituto de Biologia Roberto Alcântara Gomes, Universidade do Estado do Rio de Janeiro , Rio de Janeiro , Brazil
- c Programa de Pós-graduação em Fisiopatologia Clínica e Experimental , Faculdade de Ciências Médicas, Universidade do Estado do Rio de Janeiro , Rio de Janeiro , Brazil
| | - Danielle Soares Morel
- a Programa de Pós-graduação em Ciências Médicas , Faculdade de Ciências Médicas Universidade do Estado do Rio de Janeiro , Rio de Janeiro , Brazil
- b Departamento de Biofísica e Biometria , Laboratório de Vibrações Mecânicas e Práticas Integrativas e Complementares, Instituto de Biologia Roberto Alcântara Gomes, Universidade do Estado do Rio de Janeiro , Rio de Janeiro , Brazil
| | - Carla da Fontoura Dionello
- a Programa de Pós-graduação em Ciências Médicas , Faculdade de Ciências Médicas Universidade do Estado do Rio de Janeiro , Rio de Janeiro , Brazil
- b Departamento de Biofísica e Biometria , Laboratório de Vibrações Mecânicas e Práticas Integrativas e Complementares, Instituto de Biologia Roberto Alcântara Gomes, Universidade do Estado do Rio de Janeiro , Rio de Janeiro , Brazil
| | - Cintia Renata Sousa-Gonçalves
- a Programa de Pós-graduação em Ciências Médicas , Faculdade de Ciências Médicas Universidade do Estado do Rio de Janeiro , Rio de Janeiro , Brazil
- b Departamento de Biofísica e Biometria , Laboratório de Vibrações Mecânicas e Práticas Integrativas e Complementares, Instituto de Biologia Roberto Alcântara Gomes, Universidade do Estado do Rio de Janeiro , Rio de Janeiro , Brazil
| | - Éric Heleno Freire Ferreira Frederico
- b Departamento de Biofísica e Biometria , Laboratório de Vibrações Mecânicas e Práticas Integrativas e Complementares, Instituto de Biologia Roberto Alcântara Gomes, Universidade do Estado do Rio de Janeiro , Rio de Janeiro , Brazil
- d Programa de Pós Graduação em Biociências , Instituto de Biologia Roberto Alcântara Gomes, Universidade do Estado do Rio de Janeiro , Rio de Janeiro , Brazil
| | | | - Sofia Tamini
- f Experimental Laboratory for Auxo-endocrinological Research, Division of Auxology and Metabolic Diseases , IRCCS, Istituto Auxologico Italiano , Verbania and Milan , Italy
| | - Alessandro Sartorio
- f Experimental Laboratory for Auxo-endocrinological Research, Division of Auxology and Metabolic Diseases , IRCCS, Istituto Auxologico Italiano , Verbania and Milan , Italy
| | - Mario Bernardo-Filho
- b Departamento de Biofísica e Biometria , Laboratório de Vibrações Mecânicas e Práticas Integrativas e Complementares, Instituto de Biologia Roberto Alcântara Gomes, Universidade do Estado do Rio de Janeiro , Rio de Janeiro , Brazil
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