modelIodine124i2betaCarbometh

Extends from Pharmacolibrary.Drugs.ATC.V.V09AX03.

Information

name:Iodine124i2betaCarbomethoxy3beta4IodophenylTropane
ATC code:V09AX03
route:intravenous
compartments:2
dosage:10mg
volume of distribution:6L
clearance:0.25L/h
other parameters in model implementation

Iodine-124 labeled 2beta-carbomethoxy-3beta-(4-iodophenyl)-tropane (124I-beta-CIT) is a radiopharmaceutical used primarily for PET imaging of dopamine transporters in the brain, particularly for research and diagnosis of neurodegenerative diseases such as Parkinson's disease. It is not approved for routine therapeutic use but is applied in clinical and preclinical neuroimaging studies.

Pharmacokinetics

Estimated human pharmacokinetic parameters based on analogue data and known compound properties; no pharmacokinetic study using 124I-beta-CIT with these parameters was located in published literature.

References

    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)