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The models provided have been collated from published examples which authors have shared in our Published Model Collection or developed as part of various global health projects in our Global Health Collection. This search facility searches both model collections simultaneously.

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Found 117 Matches

Eltrombopag_RES_V21R1_Simcyp_20230615

Model Files Publication

Prepared: June 2023 The RES-Eltrombopag_V21 model has been developed primarily as an inhibitor of hepatic OATP1B1 and OATP1B3, and intestinal BCRP using the New GI physiology in Simcyp V21 with altered GI tract population inputs that became default in V22. The file is verified as tablet in the fasted state as that formulation was used in the Rosuvastatin DDI (Allred et al., 2011). The PK for Eltrombopag was evaluated at 25mg, 50mg and 75mg SD; 50mg QD, 100mg QD, 150mg QD, and 200mg QD. Note, the Rosuvastatin DDI with 75mg QD was used to fit the BCRP component in Rosuvastatin V21 file using the New GI physiology. The BCRP component of Rosuvastatin was then verified with other BCRP-Inhibitors available on the members area (as specified in the attached document) or within the Simcyp Simulator. Allred, A. J., C. J. Bowen, J. W. Park, B. Peng, D. D. Williams, M. B. Wire, and E. Lee. 2011. “Eltrombopag Increases Plasma Rosuvastatin Exposure in Healthy Volunteers.” Journal Article. Br J Clin Pharmacol 72 (2): 321–29.

Search Score: 1

Steve B

Model Files Publication

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Search Score: 1

Pyronaridine

Model Files Publication

Brand Name(s) include: Pyramax

Disease: Malaria

Drug Class: Antimalarials

Date Updated: March 2022

Related files: Artesunate (fixed dose combination – Pyramax)

The model at-a-glance

Absorption Model	First-Order
Volume of Distribution	Full PBPK (Method 3) Note: Kp scalar used
Route of Elimination	CYP1A2, CYP2B6, CYP2C8, CYP2D6 and CYP3A4
Perpetrator DDI	CYP2D6 Inhibitor P-gp Inhibitor
Validation	Two clinical studies describing pyronaridine exposure were available for model verification. 100% of predicted Cmax were within 1.5-fold of those observed whereas 40% of AUC were predicted within 1.5-fold of observed. This can be explained as observed exposure at 9mg/kg dose was lower than at 6 mg/kg. The model recovered the observed data at the 6 mg/kg dose but then over predicted that at the higher dose.
Limitations	One challenge in the verification of the model is the diverse ethnicities of subjects in reported clinical data and how best to reflect this in simulations. In the absence of virtual Korean populations within the Simulator, the Caucasian population was modified in terms of bodyweight. In the absence of supporting information, no changes to enzyme abundance (pmol/mg) were made to the population, although changes to liver weight (as a function of body weight) and hence total CYP abundance were propagated into the model.
Updates in V19	Switched to Method 3 to facilitate like for like comparisons for covid- 19 repurposing strategies

Search Score: 1

Oseltamivir_Carboxylate_V12R1_USFDA_20150709

Model Files Publication

Metabolite of oseltamivir. Information can be found in Table 1 and supplemental file of the publication. Table 1. also in supplemental file. Correction: Molecular weight should be 284 g/mol (in cmp file). Table 1 mistakenly listed MW of prodrug oseltamivir. Correction will be submitted to journal. The submitted cmp file has custom dosing. Oral dosing should be selected and dose should be adjusted according to MW differences between OC and prodrug oseltamivir to allow OC PK to be simulated when prodrug is given intravenously.

Search Score: 1

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Eltrombopag_RES_V21R1_Simcyp_20230615

Steve B

Pyronaridine

The model at-a-glance

Oseltamivir_Carboxylate_V12R1_USFDA_20150709

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