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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 110 Matches

Chlorpromazine

Brand Name(s) include: Thorazine, Largactil, Ormazine

Indication: Schizophrenia, manic-depression

Drug Class: Conventional anitpsychotic

Date Updated: March 2024

The model at-a-glance

  Absorption Model

  • First-Order, fa and ka predicted by Caco-2 data

  Volume of Distribution

  • Minimal (optimized to IV data)

  Route of Elimination

  • fmCYP3A4 = 80, fmCYP2D6 = 20

  Perpetrator DDI

  • Inhibition of CYP2D6

  Validation

  • Model performance was verified in healthy volunteers and psychiatric patients. Two clinical studies with IV administration (7 to 10 mg) and ten clinical studies with oral administration (25 to 200 mg) were used for model verification. Simulations for eight of eleven clinical studies with a reported AUC were within 2-fold of the observed value.
  • The fmCYP1A2 was verified through simulations of chlorpromazine in smokers and non-smokers. The fmCYP2D6­ was verified through simulations of chlorpromazine coadministered with and without quinidine.

  Limitations

  • Model was developed using 10 mg IV and 100 mg PO. Use of 7-10 mg IV dosing and oral doses of 100-200 mg were verified, but predictions of oral doses <100 mg PO are overestimated.
  • Model does not include P-gp efflux.
  • Model is not verified for use in perpetrator DDI simulations with CYP2D6 substrates.

 

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.

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