modelTolterodine

Diagram of Tolterodine

Extends from Pharmacolibrary.Drugs.ATC.G.G04BD07.

Information

name:Tolterodine
ATC code:G04BD07
route:oral
compartments:2
dosage:2mg
volume of distribution:113L
clearance:30.4L/h
other parameters in model implementation

Tolterodine is a competitive muscarinic receptor antagonist indicated for the treatment of overactive bladder with symptoms of urge urinary incontinence, urgency, and frequency. It is approved and widely used today as a symptomatic treatment for overactive bladder.

Pharmacokinetics

Pharmacokinetic parameters reported for healthy adult volunteers after single oral administration of tolterodine immediate release formulation.

References

  1. Olsson, B, & Landgren, BM (2001). The effect of tolterodine on the pharmacokinetics and pharmacodynamics of a combination oral contraceptive containing ethinyl estradiol and levonorgestrel. Clinical therapeutics 23(11) 1876–1888. DOI:10.1016/s0149-2918(00)89083-9 PUBMED:https://pubmed.ncbi.nlm.nih.gov/11768839

  2. Oishi, M, et al., & Malhotra, B (2014). Population pharmacokinetics of the 5-hydroxymethyl metabolite of tolterodine after administration of fesoterodine sustained release tablet in Western and East Asian populations. Journal of clinical pharmacology 54(8) 928–936. DOI:10.1002/jcph.274 PUBMED:https://pubmed.ncbi.nlm.nih.gov/24619889

  3. Guay, DR (2003). Clinical pharmacokinetics of drugs used to treat urge incontinence. Clinical pharmacokinetics 42(14) 1243–1285. DOI:10.2165/00003088-200342140-00004 PUBMED:https://pubmed.ncbi.nlm.nih.gov/14606931

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
Pharmacolibrary.Types.TransferRateka (from PK_2C_enteral)0.016666666666666666first order absorption rate
Modelica.Units.SI.TimeTlag (from PK_2C_enteral)600delay between oral administration and absorption (default 10min)

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)