modelUstekinumab

Diagram of Ustekinumab

Extends from Pharmacolibrary.Drugs.ATC.L.L04AC05.

Information

name:Ustekinumab
ATC code:L04AC05
route:subcutaneous
compartments:2
dosage:45mg
volume of distribution:3.2L
clearance:0.47L/day
other parameters in model implementation

Ustekinumab is a human monoclonal antibody targeting interleukin-12 (IL-12) and interleukin-23 (IL-23), used primarily for the treatment of moderate to severe plaque psoriasis, psoriatic arthritis, Crohn's disease, and ulcerative colitis. It is approved for clinical use in many countries and is considered a biologic therapy for immune-mediated inflammatory disorders.

Pharmacokinetics

Population pharmacokinetic parameters for ustekinumab in adults with moderate to severe plaque psoriasis after subcutaneous administration.

References

  1. Feagan, BG, et al., & Rutgeerts, P (2016). Ustekinumab as Induction and Maintenance Therapy for Crohn's Disease. The New England journal of medicine 375(20) 1946–1960. DOI:10.1056/NEJMoa1602773 PUBMED:https://pubmed.ncbi.nlm.nih.gov/27959607

  2. Xu, Y, et al., & Zhou, H (2020). Population Pharmacokinetics and Exposure-Response Modeling Analyses of Ustekinumab in Adults With Moderately to Severely Active Ulcerative Colitis. Journal of clinical pharmacology 60(7) 889–902. DOI:10.1002/jcph.1582 PUBMED:https://pubmed.ncbi.nlm.nih.gov/32026499

  3. Zhu, YW, et al., & Zhou, H (2010). Population pharmacokinetics of ustekinumab in patients with active psoriatic arthritis. International journal of clinical pharmacology and therapeutics 48(12) 830–846. DOI:10.5414/cpp48830 PUBMED:https://pubmed.ncbi.nlm.nih.gov/21084039

Parameters

TypeNameDefaultDescription
Modelica.Units.SI.Massweight (from PK_1C)75patient weight (kg)
Modelica.Units.SI.SpecificVolumeVdPerKg (from PK_1C)0.9Volume of distribution (L/kg)
Modelica.Units.SI.MassFractionF (from PK_1C)0.8bioavailiability (0-1)
Pharmacolibrary.Types.ClearanceCl (from PK_1C)20clearance
Modelica.Units.SI.TimeadminTime (from PK_1C)60first administration time (s)
Modelica.Units.SI.TimeadminDuration (from PK_1C)600administration duration (s)
Modelica.Units.SI.TimeadminPeriod (from PK_1C)8*60*60period of administration (default 8 hours)(s)
Pharmacolibrary.Types.MassadminMass (from PK_1C)1000administration mass (mg)
IntegeradminCount (from PK_1C)8number of dose administered (1)
Pharmacolibrary.Types.VolumeVd (from PK_1C)VdPerKg*weightVolume of distribution (m3)
Pharmacolibrary.Types.MassConcentrationCmin (from PK_1C)0.004minimal therapeutic range
Pharmacolibrary.Types.MassConcentrationCmax (from PK_1C)0.008minimal therapeutic range
Pharmacolibrary.Types.MassConcentrationCtox_peak (from PK_1C)0.012toxicity peak level
Pharmacolibrary.Types.MassConcentrationCtox_trough (from PK_1C)0.006toxicity trough level
Pharmacolibrary.Types.VolumeVdp (from PK_2C)VdpPerKg*weightVolume of distribution (m3)
Modelica.Units.SI.SpecificVolumeVdpPerKg (from PK_2C)0.9Volume of distribution peripheral(l/kg)
Pharmacolibrary.Types.Clearancek12 (from PK_2C)1intercompartmental C-P clearance
Pharmacolibrary.Types.Clearancek21 (from PK_2C)1intercompartmental P-C clearance

Connectors

TypeNameDefaultDescription
Types.ConcentrationOutputC_central (from PK_1C)
Interfaces.ConcentrationPort_bcentralCPort (from PK_1C)
Interfaces.ConcentrationPort_bperipheralCPort (from PK_2C)
Pharmacolibrary.Types.ConcentrationOutputC_peripheral1 (from PK_2C)

Components

TypeNameDefaultDescription
Pharmacokinetic.NoPerfusedTissueCompartmentcentral (from PK_1C)
Pharmacokinetic.ClearanceDrivenEliminationelim (from PK_1C)
Sources.PeriodicDoseperiodicDose (from PK_1C)
Modelica.Units.SI.Timet1_2 (from PK_1C)elimination half-life
Pharmacolibrary.Pharmacokinetic.TransferFirstOrderNonSymtransfer (from PK_2C)
Pharmacolibrary.Pharmacokinetic.NoPerfusedTissueCompartmentperipheral (from PK_2C)

Revisions

  • 06/2025 Tomas Kulhanek, generated model from data extracted from PUBMED, DrugBank and LLM(GPT4.1)