modelPiroxicam

Diagram of Piroxicam

Extends from Pharmacolibrary.Drugs.ATC.M.M02AA07.

Information

name:Piroxicam
ATC code:M02AA07
route:oral
compartments:2
dosage:20mg
volume of distribution:15.8L
clearance:0.112L/h
other parameters in model implementation

Piroxicam is a nonsteroidal anti-inflammatory drug (NSAID) of the oxicam class, used to relieve the symptoms of painful, inflammatory conditions like osteoarthritis and rheumatoid arthritis. It is an approved drug in many countries and is usually administered orally.

Pharmacokinetics

Pharmacokinetic parameters reported in healthy adult subjects after a single oral dose.

References

  1. Palma-Aguirre, JA, et al., & González-de la Parra, M (2010). Relative bioavailability of two oral formulations of piroxicam 20 mg: a single-dose, randomized-sequence, open-label, two-period crossover comparison in healthy Mexican adult volunteers. Clinical therapeutics 32(2) 357–364. DOI:10.1016/j.clinthera.2010.02.002 PUBMED:https://pubmed.ncbi.nlm.nih.gov/20206793

  2. Calvo, AM, et al., & Santos, CF (2016). Effective method for the detection of piroxicam in human plasma using HPLC. Brazilian oral research 30(1) –. DOI:10.1590/1807-3107BOR-2016.vol30.0058 PUBMED:https://pubmed.ncbi.nlm.nih.gov/27223141

  3. Mailhot, C, et al., & Ward, JR (1986). The effect of cimetidine on serum concentrations of piroxicam. Pharmacotherapy 6(3) 112–117. DOI:10.1002/j.1875-9114.1986.tb03464.x PUBMED:https://pubmed.ncbi.nlm.nih.gov/3488542

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)