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Model-Informed Prec...
Model-Informed Precision Dosing of Linezolid in Patients with Drug-Resistant Tuberculosis
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- Mockeliunas, Laurynas (författare)
- Uppsala universitet,Institutionen för farmaceutisk biovetenskap
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- Keutzer, Lina (författare)
- Uppsala universitet,Institutionen för farmaceutisk biovetenskap
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- Sturkenboom, Marieke G. G. (författare)
- Univ Groningen, Univ Med Ctr Groningen, Dept Clin Pharm & Pharmacol, NL-9713 GZ Groningen, Netherlands.
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- Bolhuis, Mathieu S. (författare)
- Univ Groningen, Univ Med Ctr Groningen, Dept Clin Pharm & Pharmacol, NL-9713 GZ Groningen, Netherlands.
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- Hulskotte, Lotte M. G. (författare)
- Univ Groningen, Univ Med Ctr Groningen, Dept Clin Pharm & Pharmacol, NL-9713 GZ Groningen, Netherlands.
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- Akkerman, Onno W. (författare)
- Univ Groningen, Univ Med Ctr Groningen, Dept Pulm Dis & TB, NL-9713 GZ Groningen, Netherlands.;Univ Groningen, Univ Med Ctr Groningen, TB Ctr Beatrixoord, NL-9751 ND Groningen, Netherlands.
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- Simonsson, Ulrika S. H., Professor (författare)
- Uppsala universitet,Institutionen för farmaceutisk biovetenskap,Institutionen för farmaci
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(creator_code:org_t)
- 2022-03-30
- 2022
- Engelska.
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Ingår i: Pharmaceutics. - : MDPI AG. - 1999-4923. ; 14:4
- Relaterad länk:
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https://doi.org/10.3...
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https://uu.diva-port... (primary) (Raw object)
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https://doi.org/10.3...
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Abstract
Ämnesord
Stäng
- Linezolid is an efficacious medication for the treatment of drug-resistant tuberculosis but has been associated with serious safety issues that can result in treatment interruption. The objectives of this study were thus to build a population pharmacokinetic model and to use the developed model to establish a model-informed precision dosing (MIPD) algorithm enabling safe and efficacious dosing in patients with multidrug- and extensively drug-resistant tuberculosis. Routine hospital therapeutic drug monitoring data, collected from 70 tuberculosis patients receiving linezolid, was used for model development. Efficacy and safety targets for MIPD were the ratio of unbound area under the concentration versus time curve between 0 and 24 h over minimal inhibitory concentration (fAUC(0-24h)/MIC) above 119 and unbound plasma trough concentration (fC(min)) below 1.38 mg/L, respectively. Model building was performed in NONMEM 7.4.3. The final population pharmacokinetic model consisted of a one-compartment model with transit absorption and concentration- and time-dependent auto-inhibition of elimination. A flat dose of 600 mg once daily was appropriate in 67.2% of the simulated patients from an efficacy and safety perspective. Using the here developed MIPD algorithm, the proportion of patients reaching the efficacy and safety target increased to 81.5% and 88.2% using information from two and three pharmacokinetic sampling occasions, respectively. This work proposes an MIPD approach for linezolid and suggests using three sampling occasions to derive an individualized dose that results in adequate efficacy and fewer safety concerns compared to flat dosing.
Ämnesord
- MEDICIN OCH HÄLSOVETENSKAP -- Medicinska och farmaceutiska grundvetenskaper -- Farmaceutiska vetenskaper (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Basic Medicine -- Pharmaceutical Sciences (hsv//eng)
- MEDICIN OCH HÄLSOVETENSKAP -- Medicinska och farmaceutiska grundvetenskaper -- Farmakologi och toxikologi (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Basic Medicine -- Pharmacology and Toxicology (hsv//eng)
Nyckelord
- tuberculosis
- population pharmacokinetics
- linezolid
- auto-inhibition of linezolid elimination
- model-informed precision dosing
- simulation
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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