modelG03AD01_1
Extends from Pharmacokinetic.Models.PK_1C_enteral.
Information
| name: | Levonorgestrel_1 | |
| ATC code: | G03AD01_1 | route: | oral |
| compartments: | 1 | |
| dosage: | 0.15 | mg |
| volume of distribution: | 1.5 | L |
| clearance: | 0.48 | L/h/kg |
| other parameters in model implementation | ||
Levonorgestrel is a synthetic progestogen (progestin) used primarily in hormonal contraceptives for women, including emergency contraception (the 'morning after pill') and regular oral contraceptive pills. It is approved and widely used globally for contraception.
Pharmacokinetics
Pharmacokinetics in healthy adult women using daily oral contraceptive dose.
References
Reinecke, I, et al., & Garmann, D (2018). An Integrated Population Pharmacokinetic Analysis to Characterize Levonorgestrel Pharmacokinetics After Different Administration Routes. Journal of clinical pharmacology 58(12) 1639–1654. DOI:10.1002/jcph.1288 PUBMED:https://pubmed.ncbi.nlm.nih.gov/30207604
Kuhnz, W (1990). Pharmacokinetics of the contraceptive steroids levonorgestrel and gestodene after single and multiple oral administration to women. American journal of obstetrics and gynecology 163(6 Pt 2) 2120–2127. DOI:10.1016/0002-9378(90)90551-h PUBMED:https://pubmed.ncbi.nlm.nih.gov/2124087
Adedoyin, A, et al., & Iwamoto, M (2019). Effect of letermovir on levonorgestrel and ethinyl estradiol pharmacokinetics . International journal of clinical pharmacology and therapeutics 57(9) 450–457. DOI:10.5414/CP203483 PUBMED:https://pubmed.ncbi.nlm.nih.gov/31232280
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.TransferRate | ka (from PK_1C_enteral) | 0.016666666666666666 | first order absorption rate |
| Modelica.Units.SI.Time | Tlag (from PK_1C_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) |
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 |
Revisions
- 06/2025 Tomas Kulhanek, generated model from data extracted from PUBMED, DrugBank and LLM(GPT4.1)