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.

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Found 122 Matches

Azithromycin

Brand Name(s) include: Zithromax

Disease: Malaria

Drug Class: Marcolide Antibiotic

Date Updated: March 2021

The model at-a-glance

  Absorption Model

  • First-Order

  Volume of Distribution

  • Full PBPK (Method 2)

Note: A Kp scalar (0.04) was used in the model

  Route of Elimination

  • No metabolism; a biliary CLint was input based on clinical data

  Perpetrator DDI

  • None

  Validation

  • Two clinical studies describing single and multiple dose exposure of atovaquone were used to verify the PBPK model. 100% of studies were within 1.5-fold.

  Limitations

  • There are some data to suggest atovaquone is an inhibitor of BCRP.  This is currently not included within the model.

  Updates in V19

  • Updated in vitro­ data
    • LogP: 5.8 -> 8.4
    • Caco-2 Papp > 300 x 10-6 cm/s
    • Propranolol Papp 101 x 10-6 cm/s
  • Optimized ka and tlag
  • Converted from minimal PBPK model to full PBPK model

 

Budesonide_V22R1_UniversityOfManchester_20240502

The Budesonide compound file was evaluated in a Crohn’s Disease (CD) population (PMID: 37765205) and two workspaces are supplied to recover the pharmacokinetic profiles published by Ludin et al. in 2001 and Wilson et al., 2017. The Crohn’s disease population is based on the population presented in PMID: 36056298 (link). A third workspace recovers the clinical profile for Budesonide in a healthy volunteer population (Edsbäcker et al., 2004).

Lundin, P.; Naber, T.; Nilsson, M.; Edsbäcker, S. Effect of food on the pharmacokinetics of budesonide controlled ileal release capsules in patients with active Crohn’s disease. Aliment. Pharmacol. Ther. 200115, 45–51.

Wilson, A.; Tirona, R.G.; Kim, R.B. CYP3A4 activity is markedly lower in patients with Crohn’s disease. Inflamm. Bowel Dis. 201723, 804-813.

Edsbäcker S., B. Bengtsson B., Larsson P., Ludin P., Nilsson A., Ulmius J., Wollmer P., A pharmacoscintigraphic evaluation of oral budesonide given as controlled-release (Entocort) capsules. Aliment Pharmacol Ther. 2003; 17: 525–536.

Adefovir_V15R1_USFDA_20170810
http://onlinelibrary.wiley.com/doi/10.1002/cpt.750/full Adefovir compound in healthy volunteers. Hsueh et al evaluating the effect of renal impairment on PK of OAT substrates. 30/07/2019: The Adefovir PBPK model was submitted with the setting as Hepatocyte Clearance input in the WOMC option. To allow DDI simulations the file should be set up in the Enzyme Kinetics option by moving the Hepatocyte clearance value into the Additional Clearance (Liver) subtab under the Enzyme Kinetics section.
Lamotrigine_V17R1_HussonUniversity_20210628
https://pubmed.ncbi.nlm.nih.gov/30460522/ Lamotrigine IR and XR formulations in adults and in children aged between 4 and 17 years. 1) The file is set as FO file (IR formulation), the ADAM model can be activated and the corresponding models, like the segregated transit time model are then available to simulate the XR formulation. 2) The model is using absolute scaling for UGT1A3 and UGT1A4. For V21 the absolute abundance data for UGT1A3 were updated and hence the corresponding ISEF may require adjustment if the file is used in later versions.

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