Dose Tailoring of Vancomycin Through Population Pharmacokinetic Modeling Among Surgical Patients in Pakistan

Background: Vancomycin is a narrow therapeutic agent, and it is necessary to optimize the dose to achieve safe therapeutic outcomes. The purpose of this study was to identify the significant covariates for vancomycin clearance and to optimize the dose among surgical patients in Pakistan.Methods: Pla...

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Autores principales: Muhammad Muaaz Munir, Huma Rasheed, Muhammad Imran Khokhar, Rizwan Rasul Khan, Hafiz Asad Saeed, Mateen Abbas, Mohsin Ali, Rabiea Bilal, Hafiz Awais Nawaz, Abdul Muqeet Khan, Shaista Qamar, Syed Muneeb Anjum, Muhammad Usman
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Publicado: Frontiers Media S.A. 2021
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Acceso en línea:https://doaj.org/article/1658c40d6d364ed0938d23558238cad3
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spelling oai:doaj.org-article:1658c40d6d364ed0938d23558238cad32021-11-11T06:54:15ZDose Tailoring of Vancomycin Through Population Pharmacokinetic Modeling Among Surgical Patients in Pakistan1663-981210.3389/fphar.2021.721819https://doaj.org/article/1658c40d6d364ed0938d23558238cad32021-11-01T00:00:00Zhttps://www.frontiersin.org/articles/10.3389/fphar.2021.721819/fullhttps://doaj.org/toc/1663-9812Background: Vancomycin is a narrow therapeutic agent, and it is necessary to optimize the dose to achieve safe therapeutic outcomes. The purpose of this study was to identify the significant covariates for vancomycin clearance and to optimize the dose among surgical patients in Pakistan.Methods: Plasma concentration data of 176 samples collected from 58 surgical patients treated with vancomycin were used in this study. A population pharmacokinetic model was developed on NONMEM® using plasma concentration–time data. The effect of all available covariates was evaluated on the pharmacokinetic parameters of vancomycin by stepwise covariate modeling. The final model was evaluated using bootstrap, goodness-of-fit plots, and visual predictive checks.Results: The pharmacokinetics of vancomycin followed a one-compartment model with first-order elimination. The vancomycin clearance (CL) and volume of distribution (Vd) were 2.45 L/h and 22.6 l, respectively. Vancomycin CL was influenced by creatinine clearance (CRCL) and body weight of the patients; however, no covariate was significant for its effect on the volume of distribution. Dose tailoring was performed by simulating dosage regimens at a steady state based on the CRCL of the patients. The tailored doses were 400, 600, 800, and 1,000 mg for patients with a CRCL of 20, 60, 100, and 140 ml/min, respectively.Conclusion: Vancomycin CL is influenced by CRCL and body weight of the patient. This model can be helpful for the dose tailoring of vancomycin based on renal status in Pakistani patients.Muhammad Muaaz MunirHuma RasheedMuhammad Imran KhokharRizwan Rasul KhanHafiz Asad SaeedMateen AbbasMohsin AliRabiea BilalHafiz Awais NawazAbdul Muqeet KhanShaista QamarSyed Muneeb AnjumMuhammad UsmanFrontiers Media S.A.articlevancomycinpopulation pharmacokineticsPakistanNONMEMdose tailoringTherapeutics. PharmacologyRM1-950ENFrontiers in Pharmacology, Vol 12 (2021)
institution DOAJ
collection DOAJ
language EN
topic vancomycin
population pharmacokinetics
Pakistan
NONMEM
dose tailoring
Therapeutics. Pharmacology
RM1-950
spellingShingle vancomycin
population pharmacokinetics
Pakistan
NONMEM
dose tailoring
Therapeutics. Pharmacology
RM1-950
Muhammad Muaaz Munir
Huma Rasheed
Muhammad Imran Khokhar
Rizwan Rasul Khan
Hafiz Asad Saeed
Mateen Abbas
Mohsin Ali
Rabiea Bilal
Hafiz Awais Nawaz
Abdul Muqeet Khan
Shaista Qamar
Syed Muneeb Anjum
Muhammad Usman
Dose Tailoring of Vancomycin Through Population Pharmacokinetic Modeling Among Surgical Patients in Pakistan
description Background: Vancomycin is a narrow therapeutic agent, and it is necessary to optimize the dose to achieve safe therapeutic outcomes. The purpose of this study was to identify the significant covariates for vancomycin clearance and to optimize the dose among surgical patients in Pakistan.Methods: Plasma concentration data of 176 samples collected from 58 surgical patients treated with vancomycin were used in this study. A population pharmacokinetic model was developed on NONMEM® using plasma concentration–time data. The effect of all available covariates was evaluated on the pharmacokinetic parameters of vancomycin by stepwise covariate modeling. The final model was evaluated using bootstrap, goodness-of-fit plots, and visual predictive checks.Results: The pharmacokinetics of vancomycin followed a one-compartment model with first-order elimination. The vancomycin clearance (CL) and volume of distribution (Vd) were 2.45 L/h and 22.6 l, respectively. Vancomycin CL was influenced by creatinine clearance (CRCL) and body weight of the patients; however, no covariate was significant for its effect on the volume of distribution. Dose tailoring was performed by simulating dosage regimens at a steady state based on the CRCL of the patients. The tailored doses were 400, 600, 800, and 1,000 mg for patients with a CRCL of 20, 60, 100, and 140 ml/min, respectively.Conclusion: Vancomycin CL is influenced by CRCL and body weight of the patient. This model can be helpful for the dose tailoring of vancomycin based on renal status in Pakistani patients.
format article
author Muhammad Muaaz Munir
Huma Rasheed
Muhammad Imran Khokhar
Rizwan Rasul Khan
Hafiz Asad Saeed
Mateen Abbas
Mohsin Ali
Rabiea Bilal
Hafiz Awais Nawaz
Abdul Muqeet Khan
Shaista Qamar
Syed Muneeb Anjum
Muhammad Usman
author_facet Muhammad Muaaz Munir
Huma Rasheed
Muhammad Imran Khokhar
Rizwan Rasul Khan
Hafiz Asad Saeed
Mateen Abbas
Mohsin Ali
Rabiea Bilal
Hafiz Awais Nawaz
Abdul Muqeet Khan
Shaista Qamar
Syed Muneeb Anjum
Muhammad Usman
author_sort Muhammad Muaaz Munir
title Dose Tailoring of Vancomycin Through Population Pharmacokinetic Modeling Among Surgical Patients in Pakistan
title_short Dose Tailoring of Vancomycin Through Population Pharmacokinetic Modeling Among Surgical Patients in Pakistan
title_full Dose Tailoring of Vancomycin Through Population Pharmacokinetic Modeling Among Surgical Patients in Pakistan
title_fullStr Dose Tailoring of Vancomycin Through Population Pharmacokinetic Modeling Among Surgical Patients in Pakistan
title_full_unstemmed Dose Tailoring of Vancomycin Through Population Pharmacokinetic Modeling Among Surgical Patients in Pakistan
title_sort dose tailoring of vancomycin through population pharmacokinetic modeling among surgical patients in pakistan
publisher Frontiers Media S.A.
publishDate 2021
url https://doaj.org/article/1658c40d6d364ed0938d23558238cad3
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