modelPrednisolone
Extends from Pharmacolibrary.Drugs.ATC.A.A01AC04.
Information
| name: | Prednisolone | |
| ATC code: | A01AC04 | route: | oral |
| compartments: | 2 | |
| dosage: | 20 | mg |
| volume of distribution: | 0.7 | L |
| clearance: | 5.0 | mL/min/kg |
| other parameters in model implementation | ||
Prednisolone is a synthetic glucocorticoid and anti-inflammatory agent widely used in the treatment of a variety of conditions including asthma, rheumatoid arthritis, autoimmune disorders, inflammatory diseases, and allergies. It is an active metabolite of prednisone and is approved and in common clinical use today.
Pharmacokinetics
Pharmacokinetic parameters for healthy adult volunteers after a single oral dose.
References
de Truchis, C, et al., & Boyer, O (2023). Prednisolone pharmacokinetics after oral prednisone administration in paediatric patients with kidney transplant. British journal of clinical pharmacology 89(5) 1532–1540. DOI:10.1111/bcp.15610 PUBMED:https://pubmed.ncbi.nlm.nih.gov/36510685
Petersen, KB, et al., & Schmiegelow, K (2003). Population pharmacokinetics of prednisolone in children with acute lymphoblastic leukemia. Cancer chemotherapy and pharmacology 51(6) 465–473. DOI:10.1007/s00280-003-0602-3 PUBMED:https://pubmed.ncbi.nlm.nih.gov/12698270
Yoshida, K, et al., & Chanu, P (2021). Population Pharmacokinetics of Ipatasertib and Its Metabolite in Cancer Patients. Journal of clinical pharmacology 61(12) 1579–1591. DOI:10.1002/jcph.1942 PUBMED:https://pubmed.ncbi.nlm.nih.gov/34273118
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)