modelVardenafil

Diagram of Vardenafil

Extends from Pharmacolibrary.Drugs.ATC.G.G04BE09.

Information

name:Vardenafil
ATC code:G04BE09
route:oral
compartments:2
dosage:20mg
volume of distribution:117L
clearance:56L/h
other parameters in model implementation

Vardenafil is a phosphodiesterase type 5 (PDE5) inhibitor, used to treat erectile dysfunction in men. It works by increasing blood flow to the penis during sexual stimulation. Vardenafil is approved and currently available as a prescription medicine in many countries.

Pharmacokinetics

Pharmacokinetics in healthy adult males following a single oral dose.

References

  1. Eardley, I (2004). Vardenafil: a new oral treatment for erectile dysfunction. International journal of clinical practice 58(8) 801–806. DOI:10.1111/j.1368-5031.2004.00213.x PUBMED:https://pubmed.ncbi.nlm.nih.gov/15372854

  2. Briganti, A, et al., & Montorsi, F (2005). Drug Insight: oral phosphodiesterase type 5 inhibitors for erectile dysfunction. Nature clinical practice. Urology 2(5) 239–247. DOI:10.1038/ncpuro0186 PUBMED:https://pubmed.ncbi.nlm.nih.gov/16474835

  3. Crowe, SM, & Streetman, DS (2004). Vardenafil treatment for erectile dysfunction. The Annals of pharmacotherapy 38(1) 77–85. DOI:10.1345/aph.1D019 PUBMED:https://pubmed.ncbi.nlm.nih.gov/14742800

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)