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A Model-Informed Method for the Purpose of Precision Dosing of Isoniazid in Pulmonary Tuberculosis
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- van Beek, Stijn W. (författare)
- Radboud Univ Nijmegen Med Ctr, Radboud Inst Hlth Sci, Dept Pharm, Geert Grooteplein Zuid 10,864, NL-6500 HB Nijmegen, Netherlands
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- ter Heine, Rob (författare)
- Radboud Univ Nijmegen Med Ctr, Radboud Inst Hlth Sci, Dept Pharm, Geert Grooteplein Zuid 10,864, NL-6500 HB Nijmegen, Netherlands
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- Alffenaar, Jan-Willem C. (författare)
- Univ Sydney, Sch Pharm, Fac Med & Hlth, Sydney, NSW, Australia; Westmead Hosp, Sydney, NSW, Australia; Univ Sydney, Marie Bashir Inst Infect Dis & Biosecur, Sydney, NSW, Australia
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- (creator_code:org_t)
- 2021-02-22
- 2021
- Engelska.
- Ingår i: Clinical Pharmacokinetics. - : Springer Science and Business Media LLC. - 0312-5963 .- 1179-1926. ; 60:7, s. 943-953
- Tidskriftsartikel (refereegranskat)
Abstract
Ämnesord
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- Background and ObjectiveThis study aimed to develop and evaluate a population pharmacokinetic model and limited sampling strategy for isoniazid to be used in model-based therapeutic drug monitoring.MethodsA population pharmacokinetic model was developed based on isoniazid and acetyl-isoniazid pharmacokinetic data from seven studies with in total 466 patients from three continents. Three limited sampling strategies were tested based on the available sampling times in the dataset and practical considerations. The tested limited sampling strategies sampled at 2, 4, and 6 h, 2 and 4 h, and 2 h after dosing. The model-predicted area under the concentration–time curve from 0 to 24 h (AUC24) and the peak concentration from the limited sampling strategies were compared to predictions using the full pharmacokinetic curve. Bias and precision were assessed using the mean error (ME) and the root mean square error (RMSE), both expressed as a percentage of the mean model-predicted AUC24 or peak concentration on the full pharmacokinetic curve.ResultsPerformance of the developed model was acceptable and the uncertainty in parameter estimations was generally low (the highest relative standard error was 39% coefficient of variation). The limited sampling strategy with sampling at 2 and 4 h was determined as most suitable with an ME of 1.1% and RMSE of 23.4% for AUC24 prediction, and ME of 2.7% and RMSE of 23.8% for peak concentration prediction. For the performance of this strategy, it is important that data on both isoniazid and acetyl-isoniazid are used. If only data on isoniazid are available, a limited sampling strategy using 2, 4, and 6 h can be employed with an ME of 1.7% and RMSE of 20.9% for AUC24 prediction, and ME of 1.2% and RMSE of 23.8% for peak concentration prediction.ConclusionsA model-based therapeutic drug monitoring strategy for personalized dosing of isoniazid using sampling at 2 and 4 h after dosing was successfully developed. Prospective evaluation of this strategy will show how it performs in a clinical therapeutic drug monitoring setting.
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)
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