Recent Advances in Development and Application of Physiologically-Based Pharmacokinetic (PBPK) Models: a Transition from Academic Curiosity to Regulatory Acceptance
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Cites background from "Recent Advances in Development and ..."
...There has been an increase in the use of modeling to inform drug labeling over the last decade, mainly for interpolation of the magnitude of metabolic DDIs, where 61% of applications of PBPK M&S were dedicated to the prediction of DDIs.29,41,42 Nonetheless, when dedicated studies are considered as the norm to provide dosing guidance it may lead to imprecise (and offlabel) dosing in healthcare for special populations not explicitly addressed in the label, as indicated recently by Jadhav et al.,29 keeping in mind that it is practically impossible to conduct specific studies for all the permutation of possible combinations of comorbidities....
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...Here MIPD can provide not only informative and quantitative answers regarding dose optimization, but could also be used to select the appropriate drugs to avoid DDIs....
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...Mechanistic models, such as PBPK, allow for extrapolation of exposure from patients represented in phase II–III efficacy-safety studies to special populations through perturbation of model structure or parameters, as seen in cases such as pregnancy, obesity, and for DDIs.10,23,25,59,60 Although currently PBPK M&S may be considered the best suited alternative for prediction/extrapolation of initial dosing in a drug-population combination that has not been previously studied, the ability to incorporate all the patient information seamlessly from the patient records at the point of care is not in place....
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...There has been an increase in the use of modeling to inform drug labeling over the last decade, mainly for interpolation of the magnitude of metabolic DDIs, where 61% of applications of PBPK M&S were dedicated to the prediction of DDIs.(29,41,42) Nonetheless, when dedicated studies are considered as the norm to provide dosing guidance it may lead to imprecise (and offlabel) dosing in healthcare for special populations not explicitly addressed in the label, as indicated recently by Jadhav et al....
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References
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"Recent Advances in Development and ..." refers background in this paper
...The majority of early applications of PBPK models deal with issues related to anaesthesia and risk assessment of environmental chemicals due to their capability to predict the systemic exposure of chemicals in various parts of the body [30]....
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...It is suggested [30] that the origins of PBPKmodels go back to the work of Teorell in 1937 [36]....
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494 citations
"Recent Advances in Development and ..." refers methods in this paper
...extrapolation (IVIVE) techniques [28]; & Methods to predict tissue partition coefficients using physicochemical properties and protein binding data [24, 25]....
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437 citations
"Recent Advances in Development and ..." refers background in this paper
...This in turn helps with designing and optimising clinical studies and selecting the optimal dosing regimens [42]....
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...This expands the classical paradigm to ‘predict-learn-confirm-apply’ [41, 42] that stretches the spectrum of M&S from early drug discovery to beyond phase III clinical studies....
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361 citations
"Recent Advances in Development and ..." refers background in this paper
...The reports from both workshops as well as an industry perspective are now published [18, 35, 40]....
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