Search the PBPK Model Repository

Quickly find freely available drug and population models in our PBPK model repository.

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.

To contribute published user compound and/or population files, upload your files here: Upload Model Files

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Found 84 Matches

Sulfadoxine

Brand Name(s) include: Fansidar

Disease: Malaria

Drug Class: Sulfonamide

Date Updated: March 2021

The model at-a-glance

  Absorption Model

  • First-Order

  Volume of Distribution

  • Minimal PBPK (User input Vss)

  Route of Elimination

  • Renal clearance (90%); non-specific hepatic metabolism (10%)

  Perpetrator DDI

  • None

  Validation

  • Four clinical studies describing single and multiple dose exposure of sulfadoxine were used to verify the PBPK model. In comparison of predicted vs. observed AUC, 100% of the studies were within 2-fold and 75% were within 1.5-fold. 

  Limitations

  • In the absence of adequate data on the metabolism and excretion of sulfadoxine, it was assumed that 90% was cleared renally and 10% was metabolized by the liver.

  Updates in V19

  • Updated in vitro­ data
    • LogP: 4.22 -> 0.54

 

Ceftazidime_V23R1_Simcyp_20241018

The Ceftazidime file is set as IV infusion of 1g over 3 minutes (0.05 h), thus the user is advised to ensure that after oral dosing an fa of 1 (CV=0%), ka of 2 h­-1 (CV=30%) and a lag time of 1.5 h (30%) is used as stated in the Supplement Material Table S1 of the publication (PMID: 38675135). The Ceftazidime file has been evaluated in a Pregnant Population.

Probenecid_V12R1_FDA_20150709

Supplemental table. Ki against OAT transporters can be changed (sensitivity analysis was conducted in the referenced publication to explore "in vivo" Ki).

Chlorzoxazone_RES_V20R1_Simcyp_20210512

The RES-Chlorzoxazone file was primarily developed as an inhibitor of CYP3A4. This document provides: 1. Examples of model performance 2. A summary of the key pharmacokinetic features of Chlorzoxazone considered within the model.

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