modelM01AC01
Extends from Pharmacokinetic.Models.PK_2C_enteral.
Information
| name: | Piroxicam | |
| ATC code: | M01AC01 | route: | oral |
| compartments: | 2 | |
| dosage: | 20 | mg |
| volume of distribution: | 14 | L |
| clearance: | 0.08 | L/h |
| other parameters in model implementation | ||
Piroxicam is a non-steroidal anti-inflammatory drug (NSAID) of the oxicam class, used primarily for the symptomatic treatment of rheumatoid arthritis and osteoarthritis, as well as for musculoskeletal pain and inflammation. It is approved for use in many countries for these indications.
Pharmacokinetics
Pharmacokinetic parameters reported for healthy adult volunteers after single oral dosing of piroxicam.
References
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
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
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
| Type | Name | Default | Description |
|---|---|---|---|
| Modelica.Units.SI.Mass | weight (from PK_1C) | 75 | patient weight (kg) |
| Modelica.Units.SI.SpecificVolume | VdPerKg (from PK_1C) | 0.9 | Volume of distribution (L/kg) |
| Modelica.Units.SI.MassFraction | F (from PK_1C) | 0.8 | bioavailiability (0-1) |
| Pharmacolibrary.Types.Clearance | Cl (from PK_1C) | 20 | clearance |
| Modelica.Units.SI.Time | adminTime (from PK_1C) | 60 | first administration time (s) |
| Modelica.Units.SI.Time | adminDuration (from PK_1C) | 600 | administration duration (s) |
| Modelica.Units.SI.Time | adminPeriod (from PK_1C) | 8*60*60 | period of administration (default 8 hours)(s) |
| Pharmacolibrary.Types.Mass | adminMass (from PK_1C) | 1000 | administration mass (mg) |
| Integer | adminCount (from PK_1C) | 8 | number of dose administered (1) |
| Pharmacolibrary.Types.Volume | Vd (from PK_1C) | VdPerKg*weight | Volume of distribution (m3) |
| Pharmacolibrary.Types.MassConcentration | Cmin (from PK_1C) | 0.004 | minimal therapeutic range |
| Pharmacolibrary.Types.MassConcentration | Cmax (from PK_1C) | 0.008 | minimal therapeutic range |
| Pharmacolibrary.Types.MassConcentration | Ctox_peak (from PK_1C) | 0.012 | toxicity peak level |
| Pharmacolibrary.Types.MassConcentration | Ctox_trough (from PK_1C) | 0.006 | toxicity trough level |
| Pharmacolibrary.Types.Volume | Vdp (from PK_2C) | VdpPerKg*weight | Volume of distribution (m3) |
| Modelica.Units.SI.SpecificVolume | VdpPerKg (from PK_2C) | 0.9 | Volume of distribution peripheral(l/kg) |
| Pharmacolibrary.Types.Clearance | k12 (from PK_2C) | 1 | intercompartmental C-P clearance |
| Pharmacolibrary.Types.Clearance | k21 (from PK_2C) | 1 | intercompartmental P-C clearance |
| Pharmacolibrary.Types.TransferRate | ka (from PK_2C_enteral) | 0.016666666666666666 | first order absorption rate |
| Modelica.Units.SI.Time | Tlag (from PK_2C_enteral) | 600 | delay between oral administration and absorption (default 10min) |
Connectors
| Type | Name | Default | Description |
|---|---|---|---|
| Types.ConcentrationOutput | C_central (from PK_1C) | ||
| Interfaces.ConcentrationPort_b | centralCPort (from PK_1C) | ||
| Interfaces.ConcentrationPort_b | peripheralCPort (from PK_2C) | ||
| Pharmacolibrary.Types.ConcentrationOutput | C_peripheral1 (from PK_2C) |
Components
| Type | Name | Default | Description |
|---|---|---|---|
| Pharmacokinetic.NoPerfusedTissueCompartment | central (from PK_1C) | ||
| Pharmacokinetic.ClearanceDrivenElimination | elim (from PK_1C) | ||
| Sources.PeriodicDose | periodicDose (from PK_1C) | ||
| Modelica.Units.SI.Time | t1_2 (from PK_1C) | elimination half-life | |
| Pharmacolibrary.Pharmacokinetic.TransferFirstOrderNonSym | transfer (from PK_2C) | ||
| Pharmacolibrary.Pharmacokinetic.NoPerfusedTissueCompartment | peripheral (from PK_2C) |
Revisions
- 06/2025 Tomas Kulhanek, generated model from data extracted from PUBMED, DrugBank and LLM(GPT4.1)